Switch from POSIX sh to Go

59 files changed, 294 insertions, 3030 deletions

diff --git a/.gitignore b/.gitignore
index 3e18645..d6ef39d 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,15 +1,16 @@
-/public/
-/src/gistatic
-/src/config.h
-/libgistatic.a
-/gistatic
-/gistatic-tests
-/src/*.o
-/src/*.to
-*.mo
-*.po~
-/doc/*.1
-/README.*.md
-/CHANGELOG.*.md
-/vgcore.*
-/tmp/
+/src/version.go
+/*.bin
+/*.db
+/src/*.a
+/src/*.bin
+/src/*cgo*
+/tests/*.a
+/tests/*.bin
+/tests/functional/*/*.a
+/tests/functional/*/*.bin
+/tests/fuzz/*/*.a
+/tests/fuzz/*/*.bin
+/tests/benchmarks/*/*.a
+/tests/benchmarks/*/*.bin
+/tests/benchmarks/*/*.txt
+/tests/fuzz/corpus/
diff --git a/Makefile b/Makefile
index 0c2ce7d..6283e52 100644
--- a/Makefile
+++ b/Makefile
@@ -8,6 +8,7 @@ LANGUAGES    = en
 PREFIX       = /usr
 BINDIR       = $(PREFIX)/bin
 LIBDIR       = $(PREFIX)/lib
+GOLIBDIR     = $(LIBDIR)/go
 INCLUDEDIR   = $(PREFIX)/include
 SRCDIR       = $(PREFIX)/src/$(NAME)
 SHAREDIR     = $(PREFIX)/share
@@ -16,24 +17,52 @@ MANDIR       = $(SHAREDIR)/man
 EXEC         = ./
 ## Where to store the installation.  Empty by default.
 DESTDIR      =
-LDLIBS       =
+LDLIBS       = --static
+GOCFLAGS     = -I $(GOLIBDIR)
+GOLDFLAGS    = -L $(GOLIBDIR)
 
 
 
 .SUFFIXES:
+.SUFFIXES: .go .a .bin .bin-check
+
+.go.a:
+	go tool compile -I $(@D) $(GOCFLAGS)  -o $@ -p $(*F) \
+		`find $< $$(if [ $(*F) != main ]; then \
+			echo src/$(NAME).go src/version.go; fi) | uniq`
+
+.a.bin:
+	go tool link    -L $(@D) $(GOLDFLAGS) -o $@ --extldflags '$(LDLIBS)' $<
 
 
 
 all:
 include deps.mk
 
+
+libs.a                 = $(libs.go:.go=.a)
+mains.a                = $(mains.go:.go=.a)
+mains.bin              = $(mains.go:.go=.bin)
+functional-tests/lib.a = $(functional-tests/lib.go:.go=.a)
+fuzz-targets/lib.a     = $(fuzz-targets/lib.go:.go=.a)
+benchmarks/lib.a       = $(benchmarks/lib.go:.go=.a)
+
 sources = \
-	$(sources.sh)                  \
+	src/$(NAME).go                 \
+	src/version.go                 \
+	src/main.go                    \
 
 
 derived-assets = \
+	src/version.go                 \
+	$(libs.a)                      \
+	$(mains.a)                     \
+	$(mains.bin)                   \
+	$(NAME).bin                    \
 
 side-assets = \
+	tests/fuzz/corpus/             \
+	tests/benchmarks/*/main.txt    \
 
 
 
@@ -41,36 +70,70 @@ side-assets = \
 ## and installation.
 all: $(derived-assets)
 
-tests/resources/repositories/repo-1/.git \
-tests/resources/repositories/repo-2/.git:
-	ln -s .gitdir $@
 
-emit-index: src/gistatic
-	@rm -rf tmp/index/
-	@./src/gistatic -i -o tmp/index/ ~/dev/published/git-permalink/ ../capim/ ../libedn/ ../listatic/ ../lisp-cli/
-	@ln -rfs tmp/git-permalink tmp/index/git-permalink
+$(libs.a): Makefile deps.mk
+$(libs.a): src/$(NAME).go src/version.go
+
+
+$(fuzz-targets/lib.a):
+	go tool compile $(GOCFLAGS) -o $@ -p $(NAME) -d=libfuzzer \
+		$*.go src/$(NAME).go src/version.go
+
+src/version.go: Makefile
+	echo 'package $(NAME); const Version = "$(VERSION)"' > $@
+
+$(NAME).bin: src/main.bin
+	ln -fs $? $@
+
+
 
-emit-repo: src/gistatic
-	@rm -rf tmp/git-permalink/
-	@time ./src/gistatic    -o tmp/git-permalink/ -u FIXME-url-1 ~/dev/published/git-permalink/
+tests.bin-check = \
+	tests/main.bin-check \
+	$(functional-tests/main.go:.go=.bin-check) \
 
-run: shellcheck emit-index emit-repo
+$(tests.bin-check):
+	$(EXEC)$*.bin
 
+check-unit: $(tests.bin-check)
 
-check-unit:
 
+integration-tests = \
+	tests/cli-opts.sh              \
+	tests/integration.sh           \
 
-check-integration:
+.PRECIOUS: $(integration-tests)
+$(integration-tests): $(NAME).bin
+$(integration-tests): ALWAYS
+	sh $@
+
+check-integration: $(integration-tests)
+check-integration: fuzz
 
 
 ## Run all tests.  Each test suite is isolated, so that a parallel
 ## build can run tests at the same time.  The required artifacts
 ## are created if missing.
 check: check-unit check-integration
-# tests/resources/repositories/repo-1/.git
-# tests/resources/repositories/repo-2/.git
-# sh tests/build-sample.sh
-# sh tests/integration.sh
+
+
+
+FUZZSEC=1
+fuzz-targets/main.bin-check = $(fuzz-targets/main.go:.go=.bin-check)
+$(fuzz-targets/main.bin-check):
+	$(EXEC)$*.bin --test.fuzztime=$(FUZZSEC)s \
+		--test.fuzz='.*' --test.fuzzcachedir=tests/fuzz/corpus
+
+fuzz: $(fuzz-targets/main.bin-check)
+
+
+
+benchmarks/main.bin-check = $(benchmarks/main.go:.go=.bin-check)
+$(benchmarks/main.bin-check):
+	printf '%s\n' '$(EXEC)$*.bin'            > $*.txt
+	LANG=POSIX.UTF-8 time -p $(EXEC)$*.bin 2>> $*.txt
+	printf '%s\n' '$*.txt'
+
+bench: $(benchmarks/main.bin-check)
 
 
 
@@ -85,22 +148,22 @@ clean:
 install: all
 	mkdir -p \
 		'$(DESTDIR)$(BINDIR)'     \
+		'$(DESTDIR)$(GOLIBDIR)'   \
 		'$(DESTDIR)$(SRCDIR)'     \
 
-	cp $(sources.sh)     '$(DESTDIR)$(BINDIR)'
+	cp $(NAME).bin       '$(DESTDIR)$(BINDIR)'/$(NAME)
+	cp src/$(NAME).a     '$(DESTDIR)$(GOLIBDIR)'
 	cp $(sources)        '$(DESTDIR)$(SRCDIR)'
 
-
 ## Uninstalls from $(DESTDIR)$(PREFIX).  This is a perfect mirror
 ## of the "install" target, and removes *all* that was installed.
 ## A dedicated test asserts that this is always true.
 uninstall:
 	rm -rf \
+		'$(DESTDIR)$(BINDIR)'/$(NAME)         \
+		'$(DESTDIR)$(GOLIBDIR)'/$(NAME).a     \
 		'$(DESTDIR)$(SRCDIR)'                 \
 
-	for f in $(sources.sh); do \
-		rm -f '$(DESTDIR)$(BINDIR)'/"$${f#src/}"; \
-	done
 
 
 ALWAYS:
diff --git a/deps.mk b/deps.mk
index 9862666..330faad 100644
--- a/deps.mk
+++ b/deps.mk
@@ -1,3 +1,57 @@
-sources.sh = \
-	src/gistatic \
+libs.go = \
+	src/gistatic.go \
+	tests/benchmarks/list-dependencies/gistatic.go \
+	tests/functional/empty-repository/gistatic.go \
+	tests/fuzz/internal-queue/gistatic.go \
+	tests/gistatic.go \
 
+mains.go = \
+	src/main.go \
+	tests/benchmarks/list-dependencies/main.go \
+	tests/functional/empty-repository/main.go \
+	tests/fuzz/internal-queue/main.go \
+	tests/main.go \
+
+functional-tests/lib.go = \
+	tests/functional/empty-repository/gistatic.go \
+
+functional-tests/main.go = \
+	tests/functional/empty-repository/main.go \
+
+fuzz-targets/lib.go = \
+	tests/fuzz/internal-queue/gistatic.go \
+
+fuzz-targets/main.go = \
+	tests/fuzz/internal-queue/main.go \
+
+benchmarks/lib.go = \
+	tests/benchmarks/list-dependencies/gistatic.go \
+
+benchmarks/main.go = \
+	tests/benchmarks/list-dependencies/main.go \
+
+src/gistatic.a:	src/gistatic.go
+src/main.a:	src/main.go
+tests/benchmarks/list-dependencies/gistatic.a:	tests/benchmarks/list-dependencies/gistatic.go
+tests/benchmarks/list-dependencies/main.a:	tests/benchmarks/list-dependencies/main.go
+tests/functional/empty-repository/gistatic.a:	tests/functional/empty-repository/gistatic.go
+tests/functional/empty-repository/main.a:	tests/functional/empty-repository/main.go
+tests/fuzz/internal-queue/gistatic.a:	tests/fuzz/internal-queue/gistatic.go
+tests/fuzz/internal-queue/main.a:	tests/fuzz/internal-queue/main.go
+tests/gistatic.a:	tests/gistatic.go
+tests/main.a:	tests/main.go
+src/main.bin:	src/main.a
+tests/benchmarks/list-dependencies/main.bin:	tests/benchmarks/list-dependencies/main.a
+tests/functional/empty-repository/main.bin:	tests/functional/empty-repository/main.a
+tests/fuzz/internal-queue/main.bin:	tests/fuzz/internal-queue/main.a
+tests/main.bin:	tests/main.a
+src/main.bin-check:	src/main.bin
+tests/benchmarks/list-dependencies/main.bin-check:	tests/benchmarks/list-dependencies/main.bin
+tests/functional/empty-repository/main.bin-check:	tests/functional/empty-repository/main.bin
+tests/fuzz/internal-queue/main.bin-check:	tests/fuzz/internal-queue/main.bin
+tests/main.bin-check:	tests/main.bin
+src/main.a:	src/$(NAME).a
+tests/benchmarks/list-dependencies/main.a:	tests/benchmarks/list-dependencies/$(NAME).a
+tests/functional/empty-repository/main.a:	tests/functional/empty-repository/$(NAME).a
+tests/fuzz/internal-queue/main.a:	tests/fuzz/internal-queue/$(NAME).a
+tests/main.a:	tests/$(NAME).a
diff --git a/mkdeps.sh b/mkdeps.sh
index 72b2857..e8da8a4 100755
--- a/mkdeps.sh
+++ b/mkdeps.sh
@@ -4,4 +4,26 @@ set -eu
 export LANG=POSIX.UTF-8
 
 
-find src/* -type f -perm -111 | varlist 'sources.sh'
+libs() {
+	find src tests -name '*.go' | grep -v '/main\.go$' |
+		grep -v '/version\.go$'
+}
+
+mains() {
+	find src tests -name '*.go' | grep    '/main\.go$'
+}
+
+libs  | varlist 'libs.go'
+mains | varlist 'mains.go'
+
+find tests/functional/*/*.go -not -name main.go | varlist 'functional-tests/lib.go'
+find tests/functional/*/main.go                 | varlist 'functional-tests/main.go'
+find tests/fuzz/*/*.go       -not -name main.go | varlist 'fuzz-targets/lib.go'
+find tests/fuzz/*/main.go                       | varlist 'fuzz-targets/main.go'
+find tests/benchmarks/*/*.go -not -name main.go | varlist 'benchmarks/lib.go'
+find tests/benchmarks/*/main.go                 | varlist 'benchmarks/main.go'
+
+{ libs; mains; } | sort | sed 's/^\(.*\)\.go$/\1.a:\t\1.go/'
+mains            | sort | sed 's/^\(.*\)\.go$/\1.bin:\t\1.a/'
+mains            | sort | sed 's/^\(.*\)\.go$/\1.bin-check:\t\1.bin/'
+mains            | sort | sed 's|^\(.*\)/main\.go$|\1/main.a:\t\1/$(NAME).a|'
diff --git a/src/gistatic b/src/gistatic
deleted file mode 100755
index a7ad6fe..0000000
--- a/src/gistatic
+++ /dev/null
@@ -1,917 +0,0 @@
-#!/bin/sh
-set -eu
-
-
-usage() {
-	cat <<-'EOF'
-		Usage:
-		  gistatic -i -o DIRECTORY REPOSITORY...
-		  gistatic    -o DIRECTORY -u CLONE_URL [-b MAIN_BRANCH] REPOSITORY'
-	EOF
-}
-
-
-LANGNAME="$(printf '%s' "${LANG:-en}" | cut -d_ -f1)"
-LANGNAME='en'
-
-MSG_MISSING_CLIARG='Missing %s'
-MSG_INCOMPATIBLE_OPTIONS='Incompatible options: '
-MSG_MISSING_ARGS='REPOSITORY'
-MSG_INDEX_DESCRIPTION='Index of repositories'
-MSG_TITLE_INDEX='Repositories'
-MSG_LOGO_ALT_INDEX='Logo image of the repository list'
-MSG_LOGO_ALT_REPOSITORY='Logo image of the repository'
-MSG_NAME='Name'
-MSG_DESCRIPTION='Description'
-MSG_LAST_COMMIT='Last commit'
-MSG_COMMIT_FEED='commit feed'
-MSG_TAGS_FEED='tags feed'
-MSG_NAV_FILES='files'
-MSG_NAV_LOG='log'
-MSG_NAV_REFS='refs'
-MSG_THEAD_BRANCH='Branch'
-MSG_THEAD_COMMITMSG='Commit message'
-MSG_THEAD_AUTHOR='Author'
-MSG_THEAD_DATE='Date'
-MSG_THEAD_TAG='Tag'
-MSG_TITLE_REFS='refs'
-MSG_GENERATING_LOG='Generating %s...'
-
-# HTML escaped messages
-MSG_ESCAPED_FOOTER_TEMPLATE='Generated with <a href="https://euandreh.xyz/gistatic/">gistatic</a>.'
-
-
-
-t() {
-	gettext 'gistatic' "$1"
-}
-
-#
-# Template strings
-#
-
-print_logo() {
-	color="$1"
-	cat <<EOF
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16">
-  <path fill="$color" d="M 0  8  L 1  8  L 1  9  L 0  9  L 0  8  Z" />
-  <path fill="$color" d="M 0  13 L 1  13 L 1  14 L 0  14 L 0  13 Z" />
-  <path fill="$color" d="M 1  8  L 2  8  L 2  9  L 1  9  L 1  8  Z" />
-  <path fill="$color" d="M 1  13 L 2  13 L 2  14 L 1  14 L 1  13 Z" />
-  <path fill="$color" d="M 2  8  L 3  8  L 3  9  L 2  9  L 2  8  Z" />
-  <path fill="$color" d="M 2  13 L 3  13 L 3  14 L 2  14 L 2  13 Z" />
-  <path fill="$color" d="M 3  8  L 4  8  L 4  9  L 3  9  L 3  8  Z" />
-  <path fill="$color" d="M 3  13 L 4  13 L 4  14 L 3  14 L 3  13 Z" />
-  <path fill="$color" d="M 4  7  L 5  7  L 5  8  L 4  8  L 4  7  Z" />
-  <path fill="$color" d="M 4  8  L 5  8  L 5  9  L 4  9  L 4  8  Z" />
-  <path fill="$color" d="M 4  13 L 5  13 L 5  14 L 4  14 L 4  13 Z" />
-  <path fill="$color" d="M 5  6  L 6  6  L 6  7  L 5  7  L 5  6  Z" />
-  <path fill="$color" d="M 5  7  L 6  7  L 6  8  L 5  8  L 5  7  Z" />
-  <path fill="$color" d="M 5  13 L 6  13 L 6  14 L 5  14 L 5  13 Z" />
-  <path fill="$color" d="M 6  5  L 7  5  L 7  6  L 6  6  L 6  5  Z" />
-  <path fill="$color" d="M 6  6  L 7  6  L 7  7  L 6  7  L 6  6  Z" />
-  <path fill="$color" d="M 6  14 L 7  14 L 7  15 L 6  15 L 6  14 Z" />
-  <path fill="$color" d="M 7  1  L 8  1  L 8  2  L 7  2  L 7  1  Z" />
-  <path fill="$color" d="M 7  14 L 8  14 L 8  15 L 7  15 L 7  14 Z" />
-  <path fill="$color" d="M 7  15 L 8  15 L 8  16 L 7  16 L 7  15 Z" />
-  <path fill="$color" d="M 7  2  L 8  2  L 8  3  L 7  3  L 7  2  Z" />
-  <path fill="$color" d="M 7  3  L 8  3  L 8  4  L 7  4  L 7  3  Z" />
-  <path fill="$color" d="M 7  4  L 8  4  L 8  5  L 7  5  L 7  4  Z" />
-  <path fill="$color" d="M 7  5  L 8  5  L 8  6  L 7  6  L 7  5  Z" />
-  <path fill="$color" d="M 8  1  L 9  1  L 9  2  L 8  2  L 8  1  Z" />
-  <path fill="$color" d="M 8  15 L 9  15 L 9  16 L 8  16 L 8  15 Z" />
-  <path fill="$color" d="M 9  1  L 10 1  L 10 2  L 9  2  L 9  1  Z" />
-  <path fill="$color" d="M 9  2  L 10 2  L 10 3  L 9  3  L 9  2  Z" />
-  <path fill="$color" d="M 9  6  L 10 6  L 10 7  L 9  7  L 9  6  Z" />
-  <path fill="$color" d="M 9  15 L 10 15 L 10 16 L 9  16 L 9  15 Z" />
-  <path fill="$color" d="M 10 2  L 11 2  L 11 3  L 10 3  L 10 2  Z" />
-  <path fill="$color" d="M 10 3  L 11 3  L 11 4  L 10 4  L 10 3  Z" />
-  <path fill="$color" d="M 10 4  L 11 4  L 11 5  L 10 5  L 10 4  Z" />
-  <path fill="$color" d="M 10 5  L 11 5  L 11 6  L 10 6  L 10 5  Z" />
-  <path fill="$color" d="M 10 6  L 11 6  L 11 7  L 10 7  L 10 6  Z" />
-  <path fill="$color" d="M 11 6  L 12 6  L 12 7  L 11 7  L 11 6  Z" />
-  <path fill="$color" d="M 11 8  L 12 8  L 12 9  L 11 9  L 11 8  Z" />
-  <path fill="$color" d="M 10 15 L 11 15 L 11 16 L 10 16 L 10 15 Z" />
-  <path fill="$color" d="M 11 10 L 12 10 L 12 11 L 11 11 L 11 10 Z" />
-  <path fill="$color" d="M 11 12 L 12 12 L 12 13 L 11 13 L 11 12 Z" />
-  <path fill="$color" d="M 11 14 L 12 14 L 12 15 L 11 15 L 11 14 Z" />
-  <path fill="$color" d="M 11 15 L 12 15 L 12 16 L 11 16 L 11 15 Z" />
-  <path fill="$color" d="M 12 6  L 13 6  L 13 7  L 12 7  L 12 6  Z" />
-  <path fill="$color" d="M 12 8  L 13 8  L 13 9  L 12 9  L 12 8  Z" />
-  <path fill="$color" d="M 12 10 L 13 10 L 13 11 L 12 11 L 12 10 Z" />
-  <path fill="$color" d="M 12 12 L 13 12 L 13 13 L 12 13 L 12 12 Z" />
-  <path fill="$color" d="M 12 14 L 13 14 L 13 15 L 12 15 L 12 14 Z" />
-  <path fill="$color" d="M 13 6  L 14 6  L 14 7  L 13 7  L 13 6  Z" />
-  <path fill="$color" d="M 13 8  L 14 8  L 14 9  L 13 9  L 13 8  Z" />
-  <path fill="$color" d="M 13 10 L 14 10 L 14 11 L 13 11 L 13 10 Z" />
-  <path fill="$color" d="M 13 12 L 14 12 L 14 13 L 13 13 L 13 12 Z" />
-  <path fill="$color" d="M 13 13 L 14 13 L 14 14 L 13 14 L 13 13 Z" />
-  <path fill="$color" d="M 13 14 L 14 14 L 14 15 L 13 15 L 13 14 Z" />
-  <path fill="$color" d="M 14 7  L 15 7  L 15 8  L 14 8  L 14 7  Z" />
-  <path fill="$color" d="M 14 8  L 15 8  L 15 9  L 14 9  L 14 8  Z" />
-  <path fill="$color" d="M 14 9  L 15 9  L 15 10 L 14 10 L 14 9  Z" />
-  <path fill="$color" d="M 14 10 L 15 10 L 15 11 L 14 11 L 14 10 Z" />
-  <path fill="$color" d="M 14 11 L 15 11 L 15 12 L 14 12 L 14 11 Z" />
-  <path fill="$color" d="M 14 12 L 15 12 L 15 13 L 14 13 L 14 12 Z" />
-</svg>
-EOF
-}
-
-print_style() {
-	cat <<'EOF'
-:root {
-  --color: black;
-  --background-color: white;
-  --background-contrast-color: hsl(0, 0%, 98%);
-  --hover-color: hsl(0, 0%, 93%);
-  --nav-color: hsl(0, 0%, 87%);
-  --selected-color: hsl(0, 0%, 80%);
-  --diff-added-color: hsl(120, 100%, 23%);
-  --diff-removed-color: hsl(0, 100%, 47%);
-}
-
-@media(prefers-color-scheme: dark) {
-  :root {
-    --color: white;
-    --background-color: black;
-    --background-contrast-color: hsl(0, 0%, 2%);
-    --hover-color: hsl(0, 0%, 7%);
-    --nav-color: hsl(0, 0%, 13%);
-    --selected-color: hsl(0, 0%, 20%);
-  }
-
-  body {
-    color: var(--color);
-    background-color: var(--background-color);
-  }
-
-  a {
-    color: hsl(211, 100%, 60%);
-  }
-
-  a:visited {
-    color: hsl(242, 100%, 80%);
-  }
-}
-
-body {
-  font-family: monospace;
-  max-width: 1100px;
-  margin: 0 auto 0 auto;
-}
-
-.logo {
-  height: 6em;
-  width: 6em;
-}
-
-.header-horizontal-grouping {
-  display: flex;
-  align-items: center;
-  margin-top: 1em;
-  margin-bottom: 1em;
-}
-
-.header-description {
-  margin-left: 2em;
-}
-
-nav {
-  margin-top: 2em;
-}
-
-nav ul {
-  display: flex;
-  list-style-type: none;
-  margin-bottom: 0;
-}
-
-nav li {
-  margin-left: 10px;
-}
-
-nav a, nav a:visited {
-  padding: 2px 8px 0px 8px;
-  color: var(--color);
-}
-
-.selected-nav-item {
-  background-color: var(--nav-color);
-}
-
-hr {
-  margin-top: 0;
-  border: 0;
-  border-top: 3px solid var(--nav-color);
-}
-
-table {
-  margin: 2em auto;
-}
-
-th {
-  padding-bottom: 1em;
-}
-
-tbody tr:hover {
-  background-color: var(--hover-color);
-}
-
-td {
-  padding-left: 1em;
-  padding-right: 1em;
-}
-
-
-/* commit page */
-
-.diff-added, .diff-removed {
-  text-decoration: none;
-}
-
-.diff-added:target, .diff-removed:target {
-  background-color: var(--selected-color);
-}
-
-.diff-added, .diff-added:visited {
-  color: var(--diff-added-color);
-}
-
-.diff-removed, .diff-removed:visited {
-  color: var(--diff-removed-color);
-}
-
-
-/* log page */
-
-.log-commit-box {
-  padding: 1em;
-  margin: 1em;
-  background-color: var(--background-contrast-color);
-}
-
-.log-commit-tag {
-  padding: 2px;
-  border: 1px solid;
-  color: var(--color);
-}
-
-.log-head-highlight {
-  background-color: #ff8888; /* FIXME: hsl + dark-mode */
-}
-
-.log-branch-highlight {
-  background-color: #88ff88; /* FIXME: hsl + dark-mode */
-}
-
-.log-tag-highlight {
-  background-color: #ffff88; /* FIXME: hsl + dark-mode */
-}
-
-.pre-wrapping {
-  overflow: auto;
-  margin: 1em;
-}
-
-.log-notes {
-  /* FIXME: yellow box goes until the end of the screen */
-  padding: 1em;
-  background-color: #ffd; /* FIXME: hsl + dark-mode */
-}
-
-.log-pagination {
-  text-align: center;
-  margin: 2em;
-}
-
-
-footer {
-  text-align: center;
-}
-EOF
-}
-
-print_index_header() {
-	cat <<EOF
-<!DOCTYPE html>
-<html lang="$LANGNAME">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport"    content="width=device-width, initial-scale=1" />
-    <meta name="description" content="$(t "$MSG_INDEX_DESCRIPTION")" />
-    <link rel="icon"       type="image/svg+xml" href="img/favicon.svg" />
-    <link rel="stylesheet" type="text/css"      href="style.css" />
-    <title>$(t "$MSG_TITLE_INDEX")</title>
-  </head>
-  <body>
-    <header>
-      <div class="header-horizontal-grouping">
-        <picture>
-          <source srcset="img/logo/dark.svg" media="(prefers-color-scheme: dark)" />
-          <img       src="img/logo/light.svg" alt="$(t "$MSG_LOGO_ALT_INDEX")" />
-        </picture>
-        <h1 class="header-description">
-          $(t "$MSG_TITLE_INDEX")
-        </h1>
-      </div>
-      <hr />
-    </header>
-    <main>
-      <table>
-        <thead>
-          <tr>
-            <th>
-              $(t "$MSG_NAME")
-            </th>
-            <th>
-              $(t "$MSG_DESCRIPTION")
-            </th>
-            <th>
-              $(t "$MSG_LAST_COMMIT")
-            </th>
-          </tr>
-        </thead>
-        <tbody>
-EOF
-}
-
-print_index_row() {
-	path="$1"
-	repo_vars "$path"
-
-	last_commit_date="$(git log -1 --format=%cd --date='format:%Y-%m:%d %H:%M' 2>/dev/null ||:)"
-	cat <<EOF
-          <tr>
-            <td>
-              <a href="$(printf '%s' "$FULLNAME" | htmlesc)">
-                $(printf '%s' "$FULLNAME" | htmlesc)
-              </a>
-            </td>
-            <td>
-              $(printf '%s' "$DESCRIPTION" | htmlesc)
-            </td>
-            <td>
-              $(printf '%s' "$last_commit_date" | htmlesc)
-            </td>
-          </tr>
-EOF
-}
-
-print_index_footer() {
-	cat <<EOF
-        </tbody>
-      </table>
-    </main>
-    <footer>
-      <hr />
-      <p>
-        $(t "$MSG_ESCAPED_FOOTER_TEMPLATE")
-      </p>
-    </footer>
-  </body>
-</html>
-EOF
-}
-
-imgs() {
-	DIR="$1"
-	mkdir -p "$DIR"/img/logo
-	print_logo black > "$DIR"/img/favicon.svg
-	print_logo black > "$DIR"/img/logo/light.svg
-	print_logo white > "$DIR"/img/logo/dark.svg
-	print_style      > "$DIR"/style.css
-}
-
-index_write() {
-	mkdir -p "$OUTDIR"
-	{
-		print_index_header
-		for r in "$@"; do
-			print_index_row "$r"
-		done
-		print_index_footer
-	} > "$OUTDIR/index.html"
-	imgs "$OUTDIR"
-}
-
-genlog() {
-	if [ "$VERBOSE" = true ]; then
-		: # printf "$MSXG_GENERATING_LOG\n" "$1" >&2 # FIXME
-	fi
-}
-
-# FIXME: get from config?
-# exts() { }
-
-# FIXME: emit signatures code
-repo_tarballs_mk() {
-	git branch --format '%(refname:lstrip=2)' | while read -r branch; do
-		cat <<EOF
-all: $OUTDIR/$FULLNAME/tarball/$NAME-$branch.$EXT
-
-$OUTDIR/$FULLNAME/tarball/$NAME-$branch.$EXT: $REPO/refs/heads/$branch
-	env GIT_DIR="$REPO" git archive --prefix $NAME-$branch/ -o \$@ $branch
-
-EOF
-	done
-
-	git tag | while read -r tag; do
-		cat <<EOF
-all: $OUTDIR/$FULLNAME/tarball/$NAME-$tag.$EXT
-
-$OUTDIR/$FULLNAME/tarball/$NAME-$tag.$EXT: $REPO/refs/tags/$tag
-	env GIT_DIR="$REPO" git archive --prefix $NAME-$tag/ -o \$@ $tag
-
-EOF
-	done
-}
-
-repo_commits_mk() {
-	git log --format='format:%H' | while read -r commit; do
-		cat <<EOF
-all: $OUTDIR/$FULLNAME/commit/$commit.html
-
-$OUTDIR/$FULLNAME/commit/$commit.html:
-	$0 -u "$CLONE_URL" -x commit "$REPO" $commit > \$@
-EOF
-	done
-}
-
-repo_refs_mk() {
-	cat <<EOF
-all: $OUTDIR/$FULLNAME/refs.html
-
-$OUTDIR/$FULLNAME/refs.html: $REPO/refs/heads/ $REPO/refs/tags/
-	$0 -u "$CLONE_URL" -x refs "$REPO" > \$@
-
-EOF
-}
-# FIXME: translate commits.xml and tags.xml
-
-print_clone_url() {
-	if [ -z "$CLONE_URL" ]; then
-		return
-	fi
-
-	cat <<EOF
-          <code>
-            git clone $(printf '%s/%s' "$CLONE_URL" "$FULLNAME"/ | htmlesc)
-          </code>
-EOF
-}
-
-exec_refs() {
-	repo_vars "$1"
-	cat <<EOF | sed '/^$/d'
-<!DOCTYPE html>
-<html lang="$LANGNAME">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport"    content="width=device-width, initial-scale=1" />
-    <meta name="description" content="$(printf '%s' "$DESCRIPTION" | htmlesc)" />
-    <link rel="icon"       type="image/svg+xml"        href="img/favicon.svg" />
-    <link rel="stylesheet" type="text/css"             href="style.css" />
-    <link rel="alternate"  type="application/atom+xml" href="commits.xml" title="$(printf '%s' "$NAME" | htmlesc) - $(t "$MSG_COMMIT_FEED")" hreflang="$LANGNAME" />
-    <link rel="alternate"  type="application/atom+xml" href="tags.xml"    title="$(printf '%s' "$NAME" | htmlesc) - $(t "$MSG_TAGS_FEED")"   hreflang="$LANGNAME" />
-    <title>$(printf '%s' "$NAME" | htmlesc) - $(t "$MSG_TITLE_REFS")</title>
-  </head>
-  <body>
-    <header>
-      <div class="header-horizontal-grouping">
-        <a href="../">
-          <picture>
-            <source srcset="img/logo/dark.svg" media="(prefers-color-scheme: dark)" />
-            <img       src="img/logo/light.svg" alt="$(t "$MSG_LOGO_ALT_INDEX")" />
-          </picture>
-        </a>
-        <div class="header-description">
-          <h1>
-            <a href="./">
-              $(printf '%s' "$NAME" | htmlesc)
-            </a>
-          </h1>
-          <h2>
-            $DESCRIPTION
-          </h2>
-$(print_clone_url)
-        </div>
-      </div>
-      <nav>
-        <ul>
-          <li>
-            <a href="./">
-              $(t "$MSG_NAV_FILES")
-            </a>
-          </li>
-          <li>
-            <a href="log/$(printf '%s' "$MAIN_BRANCH" | htmlesc).html">
-              $(t "$MSG_NAV_LOG")
-            </a>
-          </li>
-          <li class="selected-nav-item">
-            <a href="refs.html">
-              $(t "$MSG_NAV_REFS")
-            </a>
-          </li>
-        </ul>
-      </nav>
-      <hr />
-    </header>
-    <main>
-      <table>
-        <thead>
-          <tr>
-            <th>
-              $(t "$MSG_THEAD_BRANCH")
-            </th>
-            <th>
-              $(t "$MSG_THEAD_COMMITMSG")
-            </th>
-            <th>
-              $(t "$MSG_THEAD_AUTHOR")
-            </th>
-            <th>
-              $(t "$MSG_THEAD_DATE")
-            </th>
-          </tr>
-        </thead>
-        <tbody>
-EOF
-
-	for branch in $(git branch --format '%(refname:lstrip=2)'); do
-		commit="$(git rev-parse "$branch")"
-		cat <<EOF
-          <tr>
-	    <td>
-	      <a href="log/$(printf '%s' "$branch" | htmlesc).html">
-		$(printf '%s' "$branch" | htmlesc)
-	      </a>
-	    </td>
-	    <td>
-	      <a href="commit/$(printf '%s' "$commit" | htmlesc).html">
-		$(printf '%s\n' "$(git log -1 --format=%s "$commit")" | htmlesc)
-	      </a>
-	    </td>
-	    <td>
-	      $(printf '%s\n' "$(git log -1 --format=%an "$commit")" | htmlesc)
-	    </td>
-	    <td>
-	      $(printf '%s\n' "$(git log -1 --format=%cd --date='format:%Y-%m:%d %H:%M' "$commit")" | htmlesc)
-	    </td>
-	  </tr>
-EOF
-	done
-
-	cat <<EOF
-        </tbody>
-      </table>
-EOF
-	PRINTED_TABLE_OPEN=false
-
-	for tag in $(git tag | tac); do
-		commit="$(git rev-parse "$tag")"
-		if [ "$PRINTED_TABLE_OPEN" = false ]; then
-			PRINTED_TABLE_OPEN=true
-			cat <<EOF
-      <table>
-	<thead>
-	  <tr>
-	    <th>
-	      $(t "$MSG_THEAD_TAG")
-	    </th>
-            <th>
-              $(t "$MSG_THEAD_COMMITMSG")
-            </th>
-	    <th>
-	      $(t "$MSG_THEAD_AUTHOR")
-	    </th>
-	    <th>
-	      $(t "$MSG_THEAD_DATE")
-	    </th>
-	  </tr>
-	</thead>
-	<tbody>
-EOF
-		fi
-
-		if false && [ -e "$CACHE_DIR/tarball/$repo-$tag.$EXT.asc" ]; then
-			tarball_link="(<a href=\"tarballs/$(printf '%s' "$repo" | htmlesc)-$(printf '%s' "$tag" | htmlesc).$EXT\">tarball</a>,
-	       <a href=\"tarballs/$(printf '%s' "$repo" | htmlesc)-$(printf '%s' "$tag" | htmlesc).$EXT.asc\">sig</a>)"
-		else
-			tarball_link="(<a href=\"tarballs/$(printf '%s' "$FULLNAME" | htmlesc)-$(printf '%s' "$tag" | htmlesc).$EXT\">tarball</a>)"
-		fi
-
-		# FIXME: translate tag/
-		cat <<EOF
-          <tr>
-	    <td>
-	      <a href="tag/$(printf '%s' "$tag" | htmlesc).html">
-                $(printf '%s' "$tag" | htmlesc)
-	      </a>
-	      $tarball_link
-	    </td>
-	    <td>
-	      <a href="commit/$(printf '%s' "$commit" | htmlesc).html">
-		$(printf '%s\n' "$(git log -1 --format=%s "$commit")" | htmlesc)
-	      </a>
-	    </td>
-	    <td>
-	      $(printf '%s\n' "$(git log -1 --format=%an "$tag")" | htmlesc)
-	    </td>
-	    <td>
-	      $(printf '%s\n' "$(git log -1 --format=%cd --date='format:%Y-%m:%d %H:%M' "$tag")" | htmlesc)
-	    </td>
-	  </tr>
-EOF
-	done
-
-	if [ "$PRINTED_TABLE_OPEN" = true ]; then
-		cat <<EOF
-        </tbody>
-      </table>
-EOF
-	fi
-
-	cat <<EOF
-    </main>
-    <footer>
-      <hr />
-      <p>
-	$(t "$MSG_ESCAPED_FOOTER_TEMPLATE")
-      </p>
-    </footer>
-  </body>
-</html>
-EOF
-}
-
-exec_commit() {
-	repo_vars "$1"
-	commit="$2"
-	previous_commit="$(git rev-parse "$commit^" 2>/dev/null ||:)"
-	subject="$(git log -1 --format='%s')"
-	cat <<EOF | sed '/^$/d'
-<!DOCTYPE html>
-<html lang="$LANGNAME">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport"    content="width=device-width, initial-scale=1" />
-    <meta name="description" content="$(printf '%s' "$DESCRIPTION" | htmlesc)" />
-    <link rel="icon"       type="image/svg+xml"        href="../img/favicon.svg" />
-    <link rel="stylesheet" type="text/css"             href="../style.css" />
-    <link rel="alternate"  type="application/atom+xml" href="../commits.xml" title="$(printf '%s' "$NAME" | htmlesc) - $(t "$MSG_COMMIT_FEED")" hreflang="$LANGNAME" />
-    <link rel="alternate"  type="application/atom+xml" href="../tags.xml"    title="$(printf '%s' "$NAME" | htmlesc) - $(t "$MSG_TAGS_FEED")"   hreflang="$LANGNAME" />
-    <title>$(printf '%s@%s - %s' "$NAME" "$commit" "$subject" | htmlesc)</title>
-  </head>
-  <body>
-    <header>
-      <div class="header-horizontal-grouping">
-        <a href="../../">
-          <picture>
-            <source srcset="../img/logo/dark.svg" media="(prefers-color-scheme: dark)" />
-            <img       src="../img/logo/light.svg" alt="$(t "$MSG_LOGO_ALT_INDEX")" />
-          </picture>
-        </a>
-        <div class="header-description">
-          <h1>
-            <a href="../">
-              $(printf '%s' "$NAME" | htmlesc)
-            </a>
-          </h1>
-          <h2>
-            $(printf '%s' "$DESCRIPTION" | htmlesc)
-          </h2>
-$(print_clone_url)
-        </div>
-      </div>
-      <nav>
-        <ul>
-          <li>
-            <a href="./">
-              $(t "$MSG_NAV_FILES")
-            </a>
-          </li>
-          <li>
-            <a href="log/$(printf '%s' "$MAIN_BRANCH" | htmlesc).html">
-              $(t "$MSG_NAV_LOG")
-            </a>
-          </li>
-          <li>
-            <a href="refs.html">
-              $(t "$MSG_NAV_REFS")
-            </a>
-          </li>
-        </ul>
-      </nav>
-      <hr />
-    </header>
-    <main>
-EOF
-
-	print_formatted_diff "$commit" "$previous_commit"
-
-	cat <<EOF
-    </main>
-    <footer>
-      <hr />
-      <p>
-	$(t "$MSG_ESCAPED_FOOTER_TEMPLATE")
-      </p>
-    </footer>
-  </body>
-</html>
-EOF
-}
-
-print_formatted_diff() {
-	commit="$1"
-	previous_commit="$2"
-	printf '<pre class="pre-wrapping">'
-	# git show -p --stat "$sha"
-	# FIXME: translate tree/
-	git show -p --full-index "$commit" | htmlesc | awk \
-			-v COMMIT="$commit" -v PREVIOUS_COMMIT="$previous_commit" '
-		BEGIN {
-			diff_init = 0
-			diffl = 0
-		}
-
-		/^(diff|index) / {
-			diff_init = 1
-			print $0
-			next
-		}
-
-		diff_init == 1 && /^--- a\// {
-			fname = substr($0, 7)
-			printf "--- a/<a href=\"../tree/%s/%s.html\">%s</a>\n",
-				PREVIOUS_COMMIT, fname, fname
-			next
-		}
-
-		diff_init == 1 && /^\+\+\+ b\// {
-			fname = substr($0, 7)
-			printf "--- b/<a href=\"../tree/%s/%s.html\">%s</a>\n",
-				COMMIT, fname, fname
-			next
-		}
-
-		{ diff_init = 0 }
-
-		/^-/ {
-			diffl++
-			printf "<a id=\"l%s\" href=\"#l%s\" class=\"diff-removed\">%s</a>\n",
-				diffl, diffl, $0
-			next
-		}
-
-		/^\+/ {
-			diffl++
-			printf "<a id=\"l%s\" href=\"#l%s\" class=\"diff-added\">%s</a>\n",
-			diffl, diffl, $0
-			next
-		}
-
-		{ print $0 }
-	'
-	printf '</pre>\n'
-}
-
-preamble_mk() {
-	cat <<EOF
-.POSIX:
-
-all:
-ALWAYS:
-
-
-EOF
-}
-
-repo_vars() {
-	REPO="$1" 
-
-	unset GIT_DIR
-	GIT_DIR="$REPO"/"$(git -C "$REPO" rev-parse --git-dir)"
-	GIT_DIR="$(realpath --relative-to=. "$GIT_DIR")"
-	export GIT_DIR
-
-	is_bare="$(git rev-parse --is-bare-repository)"
-
-	NAME="$(realpath --relative-to=. "$REPO")"
-	if [ "$is_bare" = false ] && [ "$NAME" = "$GIT_DIR" ]; then
-		NAME="$(dirname -- "$NAME")"
-	else
-		NAME="${NAME%.git}"
-	fi
-	FULLNAME="$NAME"
-	NAME="$(basename -- "$NAME")"
-
-	EXT=tar.gz
-	DESCRIPTION="$(cat "$GIT_DIR"/description 2>/dev/null ||:)"
-}
-
-repo_write() {
-	path="$1"
-	repo_vars "$path"
-	mkdir -p \
-		"$OUTDIR"/"$FULLNAME"/commit \
-		"$OUTDIR"/"$FULLNAME"/tarball \
-
-	{
-		preamble_mk
-		repo_tarballs_mk
-		repo_commits_mk
-		repo_refs_mk
-	} | tee f | (unset GIT_DIR; make -f- -j`nproc`)
-	imgs "$OUTDIR"/"$FULLNAME"
-}
-
-
-VERBOSE=true
-INDEX=false
-OUTDIR=.
-CLONE_URL=
-MAX_JOBS=1
-MAIN_BRANCH='main'
-MAIN_BRANCH_SET=false
-REPO=
-DESCRIPTION=
-CMD='ln'
-EXEC=
-while getopts 'b:o:u:j:isqx:' flag; do
-	case "$flag" in
-		(b)
-			MAIN_BRANCH="$OPTARG"
-			MAIN_BRANCH_SET=true
-			;;
-		(o)
-			OUTDIR="$OPTARG"
-			;;
-		(u)
-			CLONE_URL="$OPTARG"
-			;;
-		(j)
-			MAX_JOBS="$OPTARG"
-			;;
-		(i)
-			INDEX=true
-			;;
-		(q)
-			VERBOSE=false
-			;;
-		(s)
-			CMD='ln -s'
-			;;
-		(x)
-			EXEC="$OPTARG"
-			;;
-		(*)
-			usage >&2
-			exit 2
-			;;
-	esac
-done
-shift $((OPTIND - 1))
-
-if [ -n "$EXEC" ]; then
-	"exec_$EXEC" "$@"
-	exit
-fi
-
-if false; then
-if [ "$INDEX" = false ]; then
-	assert_arg "$CLONE_URL" '-u CLONE_URL'
-elif [ -n "$CLONE_URL" ] || [ "$MAIN_BRANCH_SET" = true ]; then
-	{
-		printf '%s' "$MSG_INCOMPATIBLE_OPTIONS"  # FIXME
-		printf -- '-i'
-		if [ -n "$CLONE_URL" ]; then
-			printf -- ' -u'
-		fi
-		if [ "$MAIN_BRANCH_SET" = true ]; then
-			printf -- ' -b'
-		fi
-		printf '\n\n'
-
-		usage
-	} >&2
-	exit 2
-fi
-fi
-
-eval "$(assert-arg "${1:-}" "$MSG_MISSING_ARGS")"  # FIXME
-
-if false; then
-if [ "$INDEX" = true ]; then
-	index_write "$@"
-else
-	repo_write "$1"
-fi
-fi
-
-index_write "$@"
-for path in "$@"; do
-	repo_write "$path"
-done
diff --git a/src/gistatic.go b/src/gistatic.go
new file mode 100644
index 0000000..b4ad501
--- /dev/null
+++ b/src/gistatic.go
@@ -0,0 +1,79 @@
+package gistatic
+
+import (
+	"flag"
+	"fmt"
+	"io"
+	"os"
+
+	g "gobang"
+)
+
+
+
+type argsT struct{
+	outputPath string
+	cloneUrl   string
+	allArgs    []string
+}
+
+
+func usage(argv0 string, w io.Writer) {
+	fmt.Fprintf(
+		w,
+		"Usage: %s [-o DIRECTORY] [-u CLONE_URL] REPOSITORY",
+		argv0,
+	)
+}
+
+func getopt(allArgs []string, w io.Writer) (argsT, int) {
+	argv0 := allArgs[0]
+	argv  := allArgs[1:]
+	fs := flag.NewFlagSet("", flag.ContinueOnError)
+	fs.Usage = func() {}
+	fs.SetOutput(w)
+	outputPath := fs.String(
+		"o",
+		g.Must(os.Getwd()),
+		"The directory where to write the generated files",
+	)
+	cloneUrl := fs.String(
+		"u",
+		"",
+		"The prefix of the online cloning addresss",
+	)
+	if fs.Parse(argv) != nil {
+		usage(argv0, w)
+		return argsT{}, 2
+	}
+
+	subArgs := fs.Args()
+	if len(subArgs) == 0 {
+		fmt.Fprintf(w, "Missing DIRECTORY.\n")
+		usage(argv0, w)
+		return argsT{}, 2
+	}
+
+	args := argsT{
+		outputPath: *outputPath,
+		cloneUrl:   *cloneUrl,
+		allArgs:    allArgs,
+	}
+
+	return args, 0
+}
+
+func run(args argsT, stdin  io.Reader, stdout io.Writer, stderr io.Writer) int {
+	return 0
+}
+
+
+
+func Main() {
+	g.Init()
+	args, rc := getopt(os.Args, os.Stderr)
+	if rc != 0 {
+		os.Exit(rc)
+	}
+	os.Exit(run(args, os.Stdin, os.Stdout, os.Stderr))
+}
diff --git a/src/main.go b/src/main.go
new file mode 100644
index 0000000..2edb2fc
--- /dev/null
+++ b/src/main.go
@@ -0,0 +1,7 @@
+package main
+
+import "gistatic"
+
+func main() {
+	gistatic.Main()
+}
diff --git a/tests/benchmarks/list-dependencies/gistatic.go b/tests/benchmarks/list-dependencies/gistatic.go
new file mode 100644
index 0000000..9f09a22
--- /dev/null
+++ b/tests/benchmarks/list-dependencies/gistatic.go
@@ -0,0 +1,4 @@
+package gistatic
+
+func MainTest() {
+}
diff --git a/tests/benchmarks/list-dependencies/main.go b/tests/benchmarks/list-dependencies/main.go
new file mode 120000
index 0000000..f67563d
--- /dev/null
+++ b/tests/benchmarks/list-dependencies/main.go
@@ -0,0 +1 @@
+../../main.go
\ No newline at end of file
diff --git a/tests/build-sample.sh b/tests/build-sample.sh
deleted file mode 100755
index bc544b8..0000000
--- a/tests/build-sample.sh
+++ /dev/null
@@ -1,9 +0,0 @@
-#!/bin/sh
-set -eu
-
-./gistatic -i -o tmp/ tests/resources/repositories/*
-for r in tests/resources/repositories/* $PWD; do
-	NAME="$(basename "$r")"
-	mkdir -p "tmp/$NAME"
-	./gistatic -u "https://example.com/$NAME" -o "tmp/$NAME" "$r"
-done
diff --git a/tests/resources/repositories/repo-1/.gitdir/FETCH_HEAD b/tests/cli-opts.sh
index e69de29..e69de29 100644..100755
--- a/tests/resources/repositories/repo-1/.gitdir/FETCH_HEAD
+++ b/tests/cli-opts.sh
diff --git a/tests/functional/empty-repository/gistatic.go b/tests/functional/empty-repository/gistatic.go
new file mode 100644
index 0000000..9f09a22
--- /dev/null
+++ b/tests/functional/empty-repository/gistatic.go
@@ -0,0 +1,4 @@
+package gistatic
+
+func MainTest() {
+}
diff --git a/tests/functional/empty-repository/main.go b/tests/functional/empty-repository/main.go
new file mode 120000
index 0000000..f67563d
--- /dev/null
+++ b/tests/functional/empty-repository/main.go
@@ -0,0 +1 @@
+../../main.go
\ No newline at end of file
diff --git a/tests/fuzz/internal-queue/gistatic.go b/tests/fuzz/internal-queue/gistatic.go
new file mode 100644
index 0000000..9f09a22
--- /dev/null
+++ b/tests/fuzz/internal-queue/gistatic.go
@@ -0,0 +1,4 @@
+package gistatic
+
+func MainTest() {
+}
diff --git a/tests/fuzz/internal-queue/main.go b/tests/fuzz/internal-queue/main.go
new file mode 120000
index 0000000..f67563d
--- /dev/null
+++ b/tests/fuzz/internal-queue/main.go
@@ -0,0 +1 @@
+../../main.go
\ No newline at end of file
diff --git a/tests/gistatic.go b/tests/gistatic.go
new file mode 100644
index 0000000..9f09a22
--- /dev/null
+++ b/tests/gistatic.go
@@ -0,0 +1,4 @@
+package gistatic
+
+func MainTest() {
+}
diff --git a/tests/integration.sh b/tests/integration.sh
index 8fa13e9..e69de29 100755
--- a/tests/integration.sh
+++ b/tests/integration.sh
@@ -1,57 +0,0 @@
-#!/bin/sh
-set -u
-
-. tests/lib.sh
-
-assert_file() {
-	if ! diff "$2" "$1"; then
-		printf '\n%s: File content differs.\n' \
-			"$(ERROR)" >&2
-		printf '\nexpected: %s\ngot:      %s\n\n' "$1" "$2" >&2
-		print_debug_info
-		exit 1
-	fi
-}
-
-test_index_generation() {
-	testing 'index generation'
-
-	N="$LINENO"
-	OUT="$(mkstemp)"
-	ERR="$(mkstemp)"
-	DIR="$(mkdtemp)"
-	./gistatic -i -o "$DIR" tests/resources/repositories/* 1>"$OUT" 2>"$ERR"
-	STATUS=$?
-	assert_empty_stdout
-	assert_empty_stderr
-	assert_status 0
-	assert_file tests/resources/assets/style.css  "$DIR/style.css"
-	assert_file tests/resources/assets/logo.svg   "$DIR/logo.svg"
-	assert_file tests/resources/assets/index.html "$DIR/index.html"
-
-	test_ok
-}
-
-test_repo_generation() {
-	testing 'repo generation'
-
-	N="$LINENO"
-	OUT="$(mkstemp)"
-	ERR="$(mkstemp)"
-	DIR="$(mkdtemp)"
-	./gistatic -o "$DIR" -u https://example.com/ \
-		tests/resources/repositories/repo-1 1>"$OUT" 2>"$ERR"
-	STATUS=$?
-	assert_empty_stdout
-	assert_empty_stderr
-	assert_status 0
-
-	assert_file tests/resources/assets/repo/style.css "$DIR/style.css"
-	assert_file tests/resources/assets/repo/logo.svg  "$DIR/logo.svg"
-	assert_file tests/resources/assets/repo/refs.html "$DIR/refs.html"
-
-	test_ok
-}
-
-test_index_generation
-test_repo_generation
diff --git a/tests/lib.sh b/tests/lib.sh
deleted file mode 100644
index 750cb68..0000000
--- a/tests/lib.sh
+++ /dev/null
@@ -1,144 +0,0 @@
-#!/bin/sh
-
-end="\033[0m"
-red="\033[0;31m"
-green="\033[0;32m"
-yellow="\033[0;33m"
-
-N=
-OUT=
-ERR=
-STATUS=
-
-ERROR() {
-	# shellcheck disable=2059
-	printf "${red}ERROR${end}"
-}
-
-print_debug_info() {
-	# shellcheck disable=2016
-	printf 'LINENO:   %s\n$OUT:      %s\n$ERR:      %s\n' \
-		"$N" "$OUT" "$ERR" >&2
-}
-
-assert_status() {
-	if [ "$STATUS" != "$1" ]; then
-		printf '\n%s: Bad status.\n\nexpected: %s\ngot:      %s\n' \
-			"$(ERROR)" "$1" "$STATUS" >&2
-		print_debug_info
-		exit 1
-	fi
-}
-
-assert_usage() {
-	if ! grep -Fq 'Usage' "$1"; then
-		echo 'Expected to find "Usage" text, it was missing:' >&2
-		cat "$1" >&2
-		print_debug_info
-		exit 1
-	fi
-}
-
-assert_empty_stream() {
-	if [ -s "$2" ]; then
-		FMT='\n%s: Expected %s (%s) to be empty, but has content:\n%s\n'
-		# shellcheck disable=2059
-		printf "$FMT" \
-			"$(ERROR)" "$1" "$2" "$(cat "$2")" >&2
-		print_debug_info
-		exit 1
-	fi
-}
-
-assert_empty_stdout() {
-	assert_empty_stream STDOUT "$OUT"
-}
-
-assert_empty_stderr() {
-	assert_empty_stream STDERR "$ERR"
-}
-
-assert_stream() {
-	if [ "$(cat "$2")" != "$3" ]; then
-		printf '\n%s: Bad %s (%s)\n\nexpected: %s\ngot:      %s\n' \
-			"$(ERROR)" "$1" "$2" "$3" "$(cat "$2")" >&2
-		print_debug_info
-		exit 1
-	fi
-}
-
-assert_stdout() {
-	assert_stream STDOUT "$OUT" "$1"
-}
-
-assert_stderr() {
-	assert_stream STDERR "$ERR" "$1"
-}
-
-assert_grep_stream() {
-	if ! grep -qE "$3" "$2"; then
-		printf '\n%s: Bad %s (%s)\n\ngrepping: %s\nin:\n%s\n' \
-			"$(ERROR)" "$1" "$2" "$3"  "$(cat "$2")" >&2
-		print_debug_info
-		exit 1
-	fi
-}
-
-assert_grep_stdout() {
-	assert_grep_stream STDOUT "$OUT" "$1"
-}
-
-assert_grep_stderr() {
-	assert_grep_stream STDERR "$ERR" "$1"
-}
-
-assert_fgrep_stream() {
-	if ! grep -Fq -- "$3" "$2"; then
-		printf '\n%s: Bad %s (%s)\n\ngrepping: %s\nin:\n%s\n' \
-			"$(ERROR)" "$1" "$2" "$3"  "$(cat "$2")" >&2
-		print_debug_info
-		exit 1
-	fi
-}
-
-assert_fgrep_stdout() {
-	assert_fgrep_stream STDOUT "$OUT" "$1"
-}
-
-assert_fgrep_stderr() {
-	assert_fgrep_stream STDERR "$ERR" "$1"
-}
-
-testing() {
-	printf "${yellow}testing${end}: %s..." "$1" >&2
-}
-
-test_ok() {
-	# shellcheck disable=2059
-	printf " ${green}OK${end}.\n" >&2
-}
-
-uuid() {
-	# Taken from:
-	# https://serverfault.com/a/799198
-	od -xN20 /dev/urandom |
-		head -n1 |
-		awk '{OFS="-"; print $2$3,$4,$5,$6,$7$8$9}'
-}
-
-tmpname() {
-	echo "${TMPDIR:-/tmp}/uuid-tmpname with spaces.$(uuid)"
-}
-
-mkstemp() {
-	name="$(tmpname)"
-	touch "$name"
-	echo "$name"
-}
-
-mkdtemp() {
-	name="$(tmpname)"
-	rm -f "$name"
-	mkdir "$name"
-	echo "$name"
-}
diff --git a/tests/main.go b/tests/main.go
new file mode 100644
index 0000000..1813ee8
--- /dev/null
+++ b/tests/main.go
@@ -0,0 +1,7 @@
+package main
+
+import "gistatic"
+
+func main() {
+	gistatic.MainTest()
+}
diff --git a/tests/resources/assets/index.html b/tests/resources/assets/index.html
deleted file mode 100644
index 344a73b..0000000
--- a/tests/resources/assets/index.html
+++ /dev/null
@@ -1,73 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport"    content="width=device-width, initial-scale=1" />
-    <meta name="description" content="Index of repositories" />
-    <link rel="icon"       type="image/svg+xml" href="logo.svg" />
-    <link rel="stylesheet" type="text/css"      href="style.css" />
-    <title>Repositories</title>
-  </head>
-  <body>
-    <header>
-      <div class="header-horizontal-grouping">
-        <img alt="Logo image of the repository list" class="logo" src="logo.svg" />
-        <h1 class="header-description">
-          Repositories
-        </h1>
-      </div>
-      <hr />
-    </header>
-    <main>
-      <table>
-        <thead>
-          <tr>
-            <th>
-              Name
-            </th>
-            <th>
-              Description
-            </th>
-            <th>
-              Last commit
-            </th>
-          </tr>
-        </thead>
-        <tbody>
-          <tr>
-            <td>
-              <a href="repo-1/">
-                repo-1
-              </a>
-            </td>
-            <td>
-              Submodule repository for gistatic project tests
-            </td>
-            <td>
-              2021-07-31 19:29
-            </td>
-          </tr>
-          <tr>
-            <td>
-              <a href="repo-2/">
-                repo-2
-              </a>
-            </td>
-            <td>
-              
-            </td>
-            <td>
-              2021-07-31 19:27
-            </td>
-          </tr>
-        </tbody>
-      </table>
-    </main>
-    <footer>
-      <hr />
-      <p>
-        Generated with <a href="https://euandreh.xyz/gistatic">gistatic</a>.
-      </p>
-    </footer>
-  </body>
-</html>
diff --git a/tests/resources/assets/logo.svg b/tests/resources/assets/logo.svg
deleted file mode 100644
index ce566b2..0000000
--- a/tests/resources/assets/logo.svg
+++ /dev/null
@@ -1,62 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16">
-  <path d="M 0  8  L 1  8  L 1  9  L 0  9  L 0  8  Z" />
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-  <path d="M 14 12 L 15 12 L 15 13 L 14 13 L 14 12 Z" />
-</svg>
diff --git a/tests/resources/assets/repo/logo.svg b/tests/resources/assets/repo/logo.svg
deleted file mode 100644
index ce566b2..0000000
--- a/tests/resources/assets/repo/logo.svg
+++ /dev/null
@@ -1,62 +0,0 @@
-<?xml version="1.0" encoding="UTF-8" standalone="no"?>
-<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 16" width="16" height="16">
-  <path d="M 0  8  L 1  8  L 1  9  L 0  9  L 0  8  Z" />
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-  <path d="M 12 6  L 13 6  L 13 7  L 12 7  L 12 6  Z" />
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-  <path d="M 14 12 L 15 12 L 15 13 L 14 13 L 14 12 Z" />
-</svg>
diff --git a/tests/resources/assets/repo/refs.html b/tests/resources/assets/repo/refs.html
deleted file mode 100644
index 1faaf0c..0000000
--- a/tests/resources/assets/repo/refs.html
+++ /dev/null
@@ -1,116 +0,0 @@
-<!DOCTYPE html>
-<html lang="en">
-  <head>
-    <meta charset="UTF-8" />
-    <meta name="viewport"    content="width=device-width, initial-scale=1" />
-    <meta name="description" content="Submodule repository for gistatic project tests" />
-    <link rel="icon"       type="image/svg+xml"        href="logo.svg" />
-    <link rel="stylesheet" type="text/css"             href="style.css" />
-    <link rel="alternate"  type="application/atom+xml" href="commits.xml" title="repo-1 - commit feed" hreflang="en" />
-    <link rel="alternate"  type="application/atom+xml" href="tags.xml"    title="repo-1 - tags feed" hreflang="en" />
-    <title>repo-1</title>
-  </head>
-  <body>
-    <header>
-      <div class="header-horizontal-grouping">
-        <a href="../">
-          <img alt="Logo image of the repository" class="logo" src="logo.svg" />
-        </a>
-        <div class="header-description">
-          <h1>
-            repo-1
-          </h1>
-          <h2>
-            Submodule repository for gistatic project tests
-          </h2>
-          <code>
-            git clone https://example.com/
-          </code>
-        </div>
-      </div>
-      <nav>
-        <ul>
-          <li>
-            <a href="files.html">
-              files
-            </a>
-          </li>
-          <li>
-            <a href="log.html">
-              log
-            </a>
-          </li>
-          <li class="selected-nav-item">
-            <a href="refs.html">
-              refs
-            </a>
-          </li>
-        </ul>
-      </nav>
-      <hr />
-    </header>
-    <main>
-      <table>
-        <thead>
-          <tr>
-            <th>
-              Branch
-            </th>
-            <th>
-              Commit message
-            </th>
-            <th>
-              Author
-            </th>
-            <th>
-              Date
-            </th>
-          </tr>
-        </thead>
-        <tbody>
-          <tr>
-            <td>
-              <a href="log/main.html">
-                main
-              </a>
-            </td>
-            <td>
-              <a href="commit/1eaf054b3ceb3badcb36a2293277c758454a630d.html">
-                description: Add
-              </a>
-            </td>
-            <td>
-              EuAndreh
-            </td>
-            <td>
-              2021-07-31 19:29
-            </td>
-          </tr>
-        </tbody>
-      </table>
-      <table>
-        <thead>
-          <tr>
-            <th>
-              Tag
-            </th>
-            <th>
-              Author
-            </th>
-            <th>
-              Date
-            </th>
-          </tr>
-        </thead>
-        <tbody>
-        </tbody>
-      </table>
-    </main>
-    <footer>
-      <hr />
-      <p>
-        Generated with <a href="https://euandreh.xyz/gistatic">gistatic</a>.
-      </p>
-    </footer>
-  </body>
-</html>
diff --git a/tests/resources/assets/repo/style.css b/tests/resources/assets/repo/style.css
deleted file mode 100644
index ad8a08b..0000000
--- a/tests/resources/assets/repo/style.css
+++ /dev/null
@@ -1,100 +0,0 @@
-:root {
-  --color: black;
-  --background-color: white;
-  --hover-color: hsl(0, 0%, 93%);
-  --nav-color: hsl(0, 0%, 87%);
-}
-
-@media(prefers-color-scheme: dark) {
-  :root {
-    --color: white;
-    --background-color: black;
-    --hover-color: hsl(0, 0%, 7%);
-    --nav-color: hsl(0, 0%, 13%);
-  }
-
-  body {
-    color: var(--color);
-    background-color: var(--background-color);
-  }
-
-  a {
-    color: hsl(211, 100%, 60%);
-  }
-
-  a:visited {
-    color: hsl(242, 100%, 80%);
-  }
-}
-
-body {
-  font-family: monospace;
-  max-width: 1100px;
-  margin: 0 auto 0 auto;
-}
-
-.logo {
-  height: 6em;
-  width: 6em;
-}
-
-.header-horizontal-grouping {
-  display: flex;
-  align-items: center;
-  margin-top: 1em;
-  margin-bottom: 1em;
-}
-
-.header-description {
-  margin-left: 2em;
-}
-
-nav {
-  margin-top: 2em;
-}
-
-nav ul {
-  display: flex;
-  list-style-type: none;
-  margin-bottom: 0;
-}
-
-nav li {
-  margin-left: 10px;
-}
-
-nav a, nav a:visited {
-  padding: 2px 8px 0px 8px;
-  color: var(--color);
-}
-
-.selected-nav-item {
-  background-color: var(--nav-color);
-}
-
-hr {
-  margin-top: 0;
-  border: 0;
-  border-top: 3px solid var(--nav-color);
-}
-
-table {
-  margin: 2em auto;
-}
-
-th {
-  padding-bottom: 1em;
-}
-
-tbody tr:hover {
-  background-color: var(--hover-color);
-}
-
-td {
-  padding-left: 1em;
-  padding-right: 1em;
-}
-
-footer {
-  text-align: center;
-}
diff --git a/tests/resources/assets/style.css b/tests/resources/assets/style.css
deleted file mode 100644
index ad8a08b..0000000
--- a/tests/resources/assets/style.css
+++ /dev/null
@@ -1,100 +0,0 @@
-:root {
-  --color: black;
-  --background-color: white;
-  --hover-color: hsl(0, 0%, 93%);
-  --nav-color: hsl(0, 0%, 87%);
-}
-
-@media(prefers-color-scheme: dark) {
-  :root {
-    --color: white;
-    --background-color: black;
-    --hover-color: hsl(0, 0%, 7%);
-    --nav-color: hsl(0, 0%, 13%);
-  }
-
-  body {
-    color: var(--color);
-    background-color: var(--background-color);
-  }
-
-  a {
-    color: hsl(211, 100%, 60%);
-  }
-
-  a:visited {
-    color: hsl(242, 100%, 80%);
-  }
-}
-
-body {
-  font-family: monospace;
-  max-width: 1100px;
-  margin: 0 auto 0 auto;
-}
-
-.logo {
-  height: 6em;
-  width: 6em;
-}
-
-.header-horizontal-grouping {
-  display: flex;
-  align-items: center;
-  margin-top: 1em;
-  margin-bottom: 1em;
-}
-
-.header-description {
-  margin-left: 2em;
-}
-
-nav {
-  margin-top: 2em;
-}
-
-nav ul {
-  display: flex;
-  list-style-type: none;
-  margin-bottom: 0;
-}
-
-nav li {
-  margin-left: 10px;
-}
-
-nav a, nav a:visited {
-  padding: 2px 8px 0px 8px;
-  color: var(--color);
-}
-
-.selected-nav-item {
-  background-color: var(--nav-color);
-}
-
-hr {
-  margin-top: 0;
-  border: 0;
-  border-top: 3px solid var(--nav-color);
-}
-
-table {
-  margin: 2em auto;
-}
-
-th {
-  padding-bottom: 1em;
-}
-
-tbody tr:hover {
-  background-color: var(--hover-color);
-}
-
-td {
-  padding-left: 1em;
-  padding-right: 1em;
-}
-
-footer {
-  text-align: center;
-}
diff --git a/tests/resources/repositories/repo-1/.gitdir/HEAD b/tests/resources/repositories/repo-1/.gitdir/HEAD
deleted file mode 100644
index b870d82..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/HEAD
+++ /dev/null
@@ -1 +0,0 @@
-ref: refs/heads/main
diff --git a/tests/resources/repositories/repo-1/.gitdir/config b/tests/resources/repositories/repo-1/.gitdir/config
deleted file mode 100644
index 515f483..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/config
+++ /dev/null
@@ -1,5 +0,0 @@
-[core]
-	repositoryformatversion = 0
-	filemode = true
-	bare = false
-	logallrefupdates = true
diff --git a/tests/resources/repositories/repo-1/.gitdir/description b/tests/resources/repositories/repo-1/.gitdir/description
deleted file mode 100644
index fcb0f49..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/description
+++ /dev/null
@@ -1 +0,0 @@
-The first example repository.
diff --git a/tests/resources/repositories/repo-1/.gitdir/index b/tests/resources/repositories/repo-1/.gitdir/index
deleted file mode 100644
index da2283b..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/index
+++ /dev/null
diff --git a/tests/resources/repositories/repo-1/.gitdir/logs/HEAD b/tests/resources/repositories/repo-1/.gitdir/logs/HEAD
deleted file mode 100644
index ae425cc..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/logs/HEAD
+++ /dev/null
@@ -1 +0,0 @@
-0000000000000000000000000000000000000000 1eaf054b3ceb3badcb36a2293277c758454a630d EuAndreh <eu@euandre.org> 1628092108 -0300	clone: from /home/andreh/dev/libre/gistatic/tests/resources/../../../gistatic-repo-1/
diff --git a/tests/resources/repositories/repo-1/.gitdir/logs/refs/heads/main b/tests/resources/repositories/repo-1/.gitdir/logs/refs/heads/main
deleted file mode 100644
index ae425cc..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/logs/refs/heads/main
+++ /dev/null
@@ -1 +0,0 @@
-0000000000000000000000000000000000000000 1eaf054b3ceb3badcb36a2293277c758454a630d EuAndreh <eu@euandre.org> 1628092108 -0300	clone: from /home/andreh/dev/libre/gistatic/tests/resources/../../../gistatic-repo-1/
diff --git a/tests/resources/repositories/repo-1/.gitdir/objects/1e/af054b3ceb3badcb36a2293277c758454a630d b/tests/resources/repositories/repo-1/.gitdir/objects/1e/af054b3ceb3badcb36a2293277c758454a630d
deleted file mode 100644
index 0dbd054..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/objects/1e/af054b3ceb3badcb36a2293277c758454a630d
+++ /dev/null
diff --git a/tests/resources/repositories/repo-1/.gitdir/objects/43/0774e2616f7aff581379b0e906f18c259682ca b/tests/resources/repositories/repo-1/.gitdir/objects/43/0774e2616f7aff581379b0e906f18c259682ca
deleted file mode 100644
index a7f2d8f..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/objects/43/0774e2616f7aff581379b0e906f18c259682ca
+++ /dev/null
diff --git a/tests/resources/repositories/repo-1/.gitdir/objects/4b/825dc642cb6eb9a060e54bf8d69288fbee4904 b/tests/resources/repositories/repo-1/.gitdir/objects/4b/825dc642cb6eb9a060e54bf8d69288fbee4904
deleted file mode 100644
index adf6411..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/objects/4b/825dc642cb6eb9a060e54bf8d69288fbee4904
+++ /dev/null
diff --git a/tests/resources/repositories/repo-1/.gitdir/objects/51/1f5fb4cc841cc42546ba2bc9ca2522c9d13e9b b/tests/resources/repositories/repo-1/.gitdir/objects/51/1f5fb4cc841cc42546ba2bc9ca2522c9d13e9b
deleted file mode 100644
index b6056af..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/objects/51/1f5fb4cc841cc42546ba2bc9ca2522c9d13e9b
+++ /dev/null
diff --git a/tests/resources/repositories/repo-1/.gitdir/objects/6c/c60065876c9d9da0c762cc839ec3bc07549516 b/tests/resources/repositories/repo-1/.gitdir/objects/6c/c60065876c9d9da0c762cc839ec3bc07549516
deleted file mode 100644
index 65619f8..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/objects/6c/c60065876c9d9da0c762cc839ec3bc07549516
+++ /dev/null
diff --git a/tests/resources/repositories/repo-1/.gitdir/objects/be/3f7b28e564e7dd05eaf59d64adba1a4065ac0e b/tests/resources/repositories/repo-1/.gitdir/objects/be/3f7b28e564e7dd05eaf59d64adba1a4065ac0e
deleted file mode 100644
index d9e81ea..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/objects/be/3f7b28e564e7dd05eaf59d64adba1a4065ac0e
+++ /dev/null
diff --git a/tests/resources/repositories/repo-1/.gitdir/objects/cd/361fd9443d04c4563df5ca35689a639aad9459 b/tests/resources/repositories/repo-1/.gitdir/objects/cd/361fd9443d04c4563df5ca35689a639aad9459
deleted file mode 100644
index e199a99..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/objects/cd/361fd9443d04c4563df5ca35689a639aad9459
+++ /dev/null
diff --git a/tests/resources/repositories/repo-1/.gitdir/objects/d2/2dc939976851cabdf7b958f9d98adebecbd77c b/tests/resources/repositories/repo-1/.gitdir/objects/d2/2dc939976851cabdf7b958f9d98adebecbd77c
deleted file mode 100644
index 044f682..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/objects/d2/2dc939976851cabdf7b958f9d98adebecbd77c
+++ /dev/null
diff --git a/tests/resources/repositories/repo-1/.gitdir/packed-refs b/tests/resources/repositories/repo-1/.gitdir/packed-refs
deleted file mode 100644
index 250f187..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/packed-refs
+++ /dev/null
@@ -1 +0,0 @@
-# pack-refs with: peeled fully-peeled sorted 
diff --git a/tests/resources/repositories/repo-1/.gitdir/refs/heads/main b/tests/resources/repositories/repo-1/.gitdir/refs/heads/main
deleted file mode 100644
index 19821ee..0000000
--- a/tests/resources/repositories/repo-1/.gitdir/refs/heads/main
+++ /dev/null
@@ -1 +0,0 @@
-1eaf054b3ceb3badcb36a2293277c758454a630d
diff --git a/tests/resources/repositories/repo-1/COPYING b/tests/resources/repositories/repo-1/COPYING
deleted file mode 100644
index be3f7b2..0000000
--- a/tests/resources/repositories/repo-1/COPYING
+++ /dev/null
@@ -1,661 +0,0 @@
-                    GNU AFFERO GENERAL PUBLIC LICENSE
-                       Version 3, 19 November 2007
-
- Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
-                            Preamble
-
-  The GNU Affero General Public License is a free, copyleft license for
-software and other kinds of works, specifically designed to ensure
-cooperation with the community in the case of network server software.
-
-  The licenses for most software and other practical works are designed
-to take away your freedom to share and change the works.  By contrast,
-our General Public Licenses are intended to guarantee your freedom to
-share and change all versions of a program--to make sure it remains free
-software for all its users.
-
-  When we speak of free software, we are referring to freedom, not
-price.  Our General Public Licenses are designed to make sure that you
-have the freedom to distribute copies of free software (and charge for
-them if you wish), that you receive source code or can get it if you
-want it, that you can change the software or use pieces of it in new
-free programs, and that you know you can do these things.
-
-  Developers that use our General Public Licenses protect your rights
-with two steps: (1) assert copyright on the software, and (2) offer
-you this License which gives you legal permission to copy, distribute
-and/or modify the software.
-
-  A secondary benefit of defending all users' freedom is that
-improvements made in alternate versions of the program, if they
-receive widespread use, become available for other developers to
-incorporate.  Many developers of free software are heartened and
-encouraged by the resulting cooperation.  However, in the case of
-software used on network servers, this result may fail to come about.
-The GNU General Public License permits making a modified version and
-letting the public access it on a server without ever releasing its
-source code to the public.
-
-  The GNU Affero General Public License is designed specifically to
-ensure that, in such cases, the modified source code becomes available
-to the community.  It requires the operator of a network server to
-provide the source code of the modified version running there to the
-users of that server.  Therefore, public use of a modified version, on
-a publicly accessible server, gives the public access to the source
-code of the modified version.
-
-  An older license, called the Affero General Public License and
-published by Affero, was designed to accomplish similar goals.  This is
-a different license, not a version of the Affero GPL, but Affero has
-released a new version of the Affero GPL which permits relicensing under
-this license.
-
-  The precise terms and conditions for copying, distribution and
-modification follow.
-
-                       TERMS AND CONDITIONS
-
-  0. Definitions.
-
-  "This License" refers to version 3 of the GNU Affero General Public License.
-
-  "Copyright" also means copyright-like laws that apply to other kinds of
-works, such as semiconductor masks.
-
-  "The Program" refers to any copyrightable work licensed under this
-License.  Each licensee is addressed as "you".  "Licensees" and
-"recipients" may be individuals or organizations.
-
-  To "modify" a work means to copy from or adapt all or part of the work
-in a fashion requiring copyright permission, other than the making of an
-exact copy.  The resulting work is called a "modified version" of the
-earlier work or a work "based on" the earlier work.
-
-  A "covered work" means either the unmodified Program or a work based
-on the Program.
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-  To "propagate" a work means to do anything with it that, without
-permission, would make you directly or secondarily liable for
-infringement under applicable copyright law, except executing it on a
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-public, and in some countries other activities as well.
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-  To "convey" a work means any kind of propagation that enables other
-parties to make or receive copies.  Mere interaction with a user through
-a computer network, with no transfer of a copy, is not conveying.
-
-  An interactive user interface displays "Appropriate Legal Notices"
-to the extent that it includes a convenient and prominently visible
-feature that (1) displays an appropriate copyright notice, and (2)
-tells the user that there is no warranty for the work (except to the
-extent that warranties are provided), that licensees may convey the
-work under this License, and how to view a copy of this License.  If
-the interface presents a list of user commands or options, such as a
-menu, a prominent item in the list meets this criterion.
-
-  1. Source Code.
-
-  The "source code" for a work means the preferred form of the work
-for making modifications to it.  "Object code" means any non-source
-form of a work.
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-"Major Component", in this context, means a major essential component
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-Source.
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-same work.
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-  All rights granted under this License are granted for the term of
-copyright on the Program, and are irrevocable provided the stated
-conditions are met.  This License explicitly affirms your unlimited
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-covered work is covered by this License only if the output, given its
-content, constitutes a covered work.  This License acknowledges your
-rights of fair use or other equivalent, as provided by copyright law.
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-convey, without conditions so long as your license otherwise remains
-in force.  You may convey covered works to others for the sole purpose
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-for you must do so exclusively on your behalf, under your direction
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-similar laws prohibiting or restricting circumvention of such
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-modification of the work as a means of enforcing, against the work's
-users, your or third parties' legal rights to forbid circumvention of
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-  You may convey verbatim copies of the Program's source code as you
-receive it, in any medium, provided that you conspicuously and
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-keep intact all notices stating that this License and any
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-keep intact all notices of the absence of any warranty; and give all
-recipients a copy of this License along with the Program.
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-  You may charge any price or no price for each copy that you convey,
-and you may offer support or warranty protection for a fee.
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-  5. Conveying Modified Source Versions.
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-  You may convey a work based on the Program, or the modifications to
-produce it from the Program, in the form of source code under the
-terms of section 4, provided that you also meet all of these conditions:
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-    a) The work must carry prominent notices stating that you modified
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-    b) The work must carry prominent notices stating that it is
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-    7.  This requirement modifies the requirement in section 4 to
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-    c) You must license the entire work, as a whole, under this
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-    d) If the work has interactive user interfaces, each must display
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-works, which are not by their nature extensions of the covered work,
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-"aggregate" if the compilation and its resulting copyright are not
-used to limit the access or legal rights of the compilation's users
-beyond what the individual works permit.  Inclusion of a covered work
-in an aggregate does not cause this License to apply to the other
-parts of the aggregate.
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-  6. Conveying Non-Source Forms.
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-  You may convey a covered work in object code form under the terms
-of sections 4 and 5, provided that you also convey the
-machine-readable Corresponding Source under the terms of this License,
-in one of these ways:
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-    a) Convey the object code in, or embodied in, a physical product
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-    b) Convey the object code in, or embodied in, a physical product
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-    written offer, valid for at least three years and valid for as
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-    copy of the Corresponding Source for all the software in the
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-    conveying of source, or (2) access to copy the
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-    c) Convey individual copies of the object code with a copy of the
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-    d) Convey the object code by offering access from a designated
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-
-  13. Remote Network Interaction; Use with the GNU General Public License.
-
-  Notwithstanding any other provision of this License, if you modify the
-Program, your modified version must prominently offer all users
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-3 of the GNU General Public License.
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-
-                     END OF TERMS AND CONDITIONS
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-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
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-to attach them to the start of each source file to most effectively
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-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
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-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
-  If your software can interact with users remotely through a computer
-network, you should also make sure that it provides a way for users to
-get its source.  For example, if your program is a web application, its
-interface could display a "Source" link that leads users to an archive
-of the code.  There are many ways you could offer source, and different
-solutions will be better for different programs; see section 13 for the
-specific requirements.
-
-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU AGPL, see
-<https://www.gnu.org/licenses/>.
diff --git a/tests/resources/repositories/repo-1/description b/tests/resources/repositories/repo-1/description
deleted file mode 100644
index 6cc6006..0000000
--- a/tests/resources/repositories/repo-1/description
+++ /dev/null
@@ -1 +0,0 @@
-Submodule repository for gistatic project tests
diff --git a/tests/resources/repositories/repo-2/.gitdir/HEAD b/tests/resources/repositories/repo-2/.gitdir/HEAD
deleted file mode 100644
index b870d82..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/HEAD
+++ /dev/null
@@ -1 +0,0 @@
-ref: refs/heads/main
diff --git a/tests/resources/repositories/repo-2/.gitdir/config b/tests/resources/repositories/repo-2/.gitdir/config
deleted file mode 100644
index 515f483..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/config
+++ /dev/null
@@ -1,5 +0,0 @@
-[core]
-	repositoryformatversion = 0
-	filemode = true
-	bare = false
-	logallrefupdates = true
diff --git a/tests/resources/repositories/repo-2/.gitdir/description b/tests/resources/repositories/repo-2/.gitdir/description
deleted file mode 100644
index 498b267..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/description
+++ /dev/null
@@ -1 +0,0 @@
-Unnamed repository; edit this file 'description' to name the repository.
diff --git a/tests/resources/repositories/repo-2/.gitdir/index b/tests/resources/repositories/repo-2/.gitdir/index
deleted file mode 100644
index 344e18d..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/index
+++ /dev/null
diff --git a/tests/resources/repositories/repo-2/.gitdir/logs/HEAD b/tests/resources/repositories/repo-2/.gitdir/logs/HEAD
deleted file mode 100644
index f71701f..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/logs/HEAD
+++ /dev/null
@@ -1 +0,0 @@
-0000000000000000000000000000000000000000 4e63a2b00ec7e4d4a25262c97bb5d698cd72e3d5 EuAndreh <eu@euandre.org> 1628092119 -0300	clone: from /home/andreh/dev/libre/gistatic/tests/resources/../../../gistatic-repo-2/
diff --git a/tests/resources/repositories/repo-2/.gitdir/logs/refs/heads/main b/tests/resources/repositories/repo-2/.gitdir/logs/refs/heads/main
deleted file mode 100644
index f71701f..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/logs/refs/heads/main
+++ /dev/null
@@ -1 +0,0 @@
-0000000000000000000000000000000000000000 4e63a2b00ec7e4d4a25262c97bb5d698cd72e3d5 EuAndreh <eu@euandre.org> 1628092119 -0300	clone: from /home/andreh/dev/libre/gistatic/tests/resources/../../../gistatic-repo-2/
diff --git a/tests/resources/repositories/repo-2/.gitdir/logs/refs/remotes/origin/HEAD b/tests/resources/repositories/repo-2/.gitdir/logs/refs/remotes/origin/HEAD
deleted file mode 100644
index f71701f..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/logs/refs/remotes/origin/HEAD
+++ /dev/null
@@ -1 +0,0 @@
-0000000000000000000000000000000000000000 4e63a2b00ec7e4d4a25262c97bb5d698cd72e3d5 EuAndreh <eu@euandre.org> 1628092119 -0300	clone: from /home/andreh/dev/libre/gistatic/tests/resources/../../../gistatic-repo-2/
diff --git a/tests/resources/repositories/repo-2/.gitdir/objects/4b/825dc642cb6eb9a060e54bf8d69288fbee4904 b/tests/resources/repositories/repo-2/.gitdir/objects/4b/825dc642cb6eb9a060e54bf8d69288fbee4904
deleted file mode 100644
index adf6411..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/objects/4b/825dc642cb6eb9a060e54bf8d69288fbee4904
+++ /dev/null
diff --git a/tests/resources/repositories/repo-2/.gitdir/objects/4e/63a2b00ec7e4d4a25262c97bb5d698cd72e3d5 b/tests/resources/repositories/repo-2/.gitdir/objects/4e/63a2b00ec7e4d4a25262c97bb5d698cd72e3d5
deleted file mode 100644
index 123681c..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/objects/4e/63a2b00ec7e4d4a25262c97bb5d698cd72e3d5
+++ /dev/null
diff --git a/tests/resources/repositories/repo-2/.gitdir/objects/51/1f5fb4cc841cc42546ba2bc9ca2522c9d13e9b b/tests/resources/repositories/repo-2/.gitdir/objects/51/1f5fb4cc841cc42546ba2bc9ca2522c9d13e9b
deleted file mode 100644
index b6056af..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/objects/51/1f5fb4cc841cc42546ba2bc9ca2522c9d13e9b
+++ /dev/null
diff --git a/tests/resources/repositories/repo-2/.gitdir/objects/be/3f7b28e564e7dd05eaf59d64adba1a4065ac0e b/tests/resources/repositories/repo-2/.gitdir/objects/be/3f7b28e564e7dd05eaf59d64adba1a4065ac0e
deleted file mode 100644
index d9e81ea..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/objects/be/3f7b28e564e7dd05eaf59d64adba1a4065ac0e
+++ /dev/null
diff --git a/tests/resources/repositories/repo-2/.gitdir/objects/e0/0bd7f1f4954a477ac5608bd608af40197a12a4 b/tests/resources/repositories/repo-2/.gitdir/objects/e0/0bd7f1f4954a477ac5608bd608af40197a12a4
deleted file mode 100644
index 5038285..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/objects/e0/0bd7f1f4954a477ac5608bd608af40197a12a4
+++ /dev/null
diff --git a/tests/resources/repositories/repo-2/.gitdir/packed-refs b/tests/resources/repositories/repo-2/.gitdir/packed-refs
deleted file mode 100644
index 7e8e877..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/packed-refs
+++ /dev/null
@@ -1,2 +0,0 @@
-# pack-refs with: peeled fully-peeled sorted 
-4e63a2b00ec7e4d4a25262c97bb5d698cd72e3d5 refs/remotes/origin/main
diff --git a/tests/resources/repositories/repo-2/.gitdir/refs/heads/main b/tests/resources/repositories/repo-2/.gitdir/refs/heads/main
deleted file mode 100644
index ee53649..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/refs/heads/main
+++ /dev/null
@@ -1 +0,0 @@
-4e63a2b00ec7e4d4a25262c97bb5d698cd72e3d5
diff --git a/tests/resources/repositories/repo-2/.gitdir/refs/remotes/origin/HEAD b/tests/resources/repositories/repo-2/.gitdir/refs/remotes/origin/HEAD
deleted file mode 100644
index 4b0a875..0000000
--- a/tests/resources/repositories/repo-2/.gitdir/refs/remotes/origin/HEAD
+++ /dev/null
@@ -1 +0,0 @@
-ref: refs/remotes/origin/main
diff --git a/tests/resources/repositories/repo-2/COPYING b/tests/resources/repositories/repo-2/COPYING
deleted file mode 100644
index be3f7b2..0000000
--- a/tests/resources/repositories/repo-2/COPYING
+++ /dev/null
@@ -1,661 +0,0 @@
-                    GNU AFFERO GENERAL PUBLIC LICENSE
-                       Version 3, 19 November 2007
-
- Copyright (C) 2007 Free Software Foundation, Inc. <https://fsf.org/>
- Everyone is permitted to copy and distribute verbatim copies
- of this license document, but changing it is not allowed.
-
-                            Preamble
-
-  The GNU Affero General Public License is a free, copyleft license for
-software and other kinds of works, specifically designed to ensure
-cooperation with the community in the case of network server software.
-
-  The licenses for most software and other practical works are designed
-to take away your freedom to share and change the works.  By contrast,
-our General Public Licenses are intended to guarantee your freedom to
-share and change all versions of a program--to make sure it remains free
-software for all its users.
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-            How to Apply These Terms to Your New Programs
-
-  If you develop a new program, and you want it to be of the greatest
-possible use to the public, the best way to achieve this is to make it
-free software which everyone can redistribute and change under these terms.
-
-  To do so, attach the following notices to the program.  It is safest
-to attach them to the start of each source file to most effectively
-state the exclusion of warranty; and each file should have at least
-the "copyright" line and a pointer to where the full notice is found.
-
-    <one line to give the program's name and a brief idea of what it does.>
-    Copyright (C) <year>  <name of author>
-
-    This program is free software: you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License as published by
-    the Free Software Foundation, either version 3 of the License, or
-    (at your option) any later version.
-
-    This program is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-    GNU Affero General Public License for more details.
-
-    You should have received a copy of the GNU Affero General Public License
-    along with this program.  If not, see <https://www.gnu.org/licenses/>.
-
-Also add information on how to contact you by electronic and paper mail.
-
-  If your software can interact with users remotely through a computer
-network, you should also make sure that it provides a way for users to
-get its source.  For example, if your program is a web application, its
-interface could display a "Source" link that leads users to an archive
-of the code.  There are many ways you could offer source, and different
-solutions will be better for different programs; see section 13 for the
-specific requirements.
-
-  You should also get your employer (if you work as a programmer) or school,
-if any, to sign a "copyright disclaimer" for the program, if necessary.
-For more information on this, and how to apply and follow the GNU AGPL, see
-<https://www.gnu.org/licenses/>.