1 files changed, 184 insertions, 0 deletions
diff --git a/aux/workflow/repocheck.sh b/aux/workflow/repocheck.sh
new file mode 100755
index 0000000..688410a
--- /dev/null
+++ b/aux/workflow/repocheck.sh
@@ -0,0 +1,184 @@
+#!/bin/sh
+set -eu
+
+if [ -n "${RECURSIVE_CHECK:-}" ]; then
+	exit
+fi
+export RECURSIVE_CHECK=true
+
+. aux/lib.sh
+
+REPODIR="$PWD"
+
+INSTALLCHECK=false
+while getopts 'x:l:f:' flag; do
+	case "$flag" in
+		x)
+			EXECUTABLES="$OPTARG"
+			INSTALLCHECK=true
+			;;
+		l)
+			SYMLINKS="$OPTARG"
+			INSTALLCHECK=true
+			;;
+		f)
+			FILES="$OPTARG"
+			INSTALLCHECK=true
+			;;
+		*)
+			exit 2
+			;;
+	esac
+done
+shift $((OPTIND - 1))
+
+assert_no_diffs() {
+	if [ -n "$(git status -s)" ]; then
+		echo 'Repository left dirty.' >&2
+		git status >&2
+		exit 1
+	fi
+}
+
+assert_installed_files() {
+	if [ -n "${EXECUTABLES:-}" ]; then
+		ACTUAL="$(find "$1" -type f -perm -u=x | wc -l)"
+		if [ "$EXECUTABLES" != "$ACTUAL" ]; then
+			printf 'Expected %s executables, found %s:\n' \
+				"$EXECUTABLES" "$ACTUAL" >&2
+			echo "find $1 -type f -perm -u=x:" >&2
+			find "$1" -type f -perm -u=x >&2
+			exit 1
+		fi
+	fi
+
+	if [ -n "${SYMLINKS:-}" ]; then
+		ACTUAL="$(find "$1" -type l | wc -l)"
+		if [ "$SYMLINKS" != "$ACTUAL" ]; then
+			printf 'Expected %s symlinks, found %s:\n' \
+				"$SYMLINKS" "$ACTUAL" >&2
+			echo "find $1 -type l:" >&2
+			find "$1" -type l >&2
+			exit 1
+		fi
+	fi
+
+	if [ -n "${FILES:-}" ]; then
+		ACTUAL="$(find "$1" -type f | wc -l)"
+		if [ "$FILES" != "$ACTUAL" ]; then
+			printf 'Expected %s files, found %s:\n' \
+				"$FILES" "$ACTUAL" >&2
+			echo "find $1 -type f:" >&2
+			find "$1" -type f >&2
+			exit 1
+		fi
+	fi
+}
+
+assert_uninstalled_files() {
+	if [ "$(find "$1" \( -type f -o -type l \) | wc -l)" != 0 ]; then
+		echo 'Left-over files after uninstall' >&2
+		echo "find $1 \( -type f -o -type l \):"
+		find "$1" \( -type f -o -type l \)
+		exit 1
+	fi
+}
+
+assert_install() {
+	if [ "$INSTALLCHECK" != 'true' ]; then
+		return
+	fi
+
+	make clean
+
+	echo 'Asserting "canonical" install path' >&2
+	INSTALL1="$(mkdtemp)"
+	make                         PREFIX="$INSTALL1"
+	make check                   PREFIX="$INSTALL1"
+	make install                 PREFIX="$INSTALL1"
+	assert_installed_files              "$INSTALL1"
+	make uninstall               PREFIX="$INSTALL1"
+	assert_uninstalled_files            "$INSTALL1"
+
+	make clean
+
+	echo 'Asserting "straigh-forward" install path' >&2
+	INSTALL2="$(mkdtemp)"
+	make install                 PREFIX="$INSTALL2"
+	assert_installed_files              "$INSTALL2"
+	make uninstall               PREFIX="$INSTALL2"
+	assert_uninstalled_files            "$INSTALL2"
+
+	make clean
+
+	echo 'Asserting "idempotent" install path' >&2
+	INSTALL3="$(mkdtemp)"
+	make install                 PREFIX="$INSTALL3"
+	make install                 PREFIX="$INSTALL3"
+	assert_installed_files              "$INSTALL3"
+	make uninstall               PREFIX="$INSTALL3"
+	make uninstall               PREFIX="$INSTALL3"
+	assert_uninstalled_files            "$INSTALL3"
+
+	make clean
+
+	echo 'Asserting "destdir" install path' >&2
+	DESTDIR="$(mkdtemp)"
+	INSTALL4="$(mkdtemp)"
+	make install                 DESTDIR="$DESTDIR" PREFIX="$INSTALL4"
+	assert_installed_files               "$DESTDIR/$INSTALL4"
+	make uninstall               DESTDIR="$DESTDIR" PREFIX="$INSTALL4"
+	assert_uninstalled_files             "$DESTDIR/$INSTALL4"
+}
+
+assert_clean_clone() {
+	CLONEDIR="$(mkdtemp)"
+	cd "$CLONEDIR"
+
+	git clone "$REPODIR" .
+
+	make clean public dev-check
+	assert_no_diffs
+	make clean
+	assert_no_diffs
+
+	if [ -n "$(git clean -ffdx --dry-run)" ]; then
+		echo '"make clean" left files:' >&2
+		git clean -ffdx --dry-run >&2
+		echo "Clone directory: $CLONEDIR" >&2
+		exit 1
+	fi
+
+	rm -rf aux/
+	make clean check || {
+		echo 'Cannot run "make check" without "aux/".' >&2
+		echo "Clone directory: $CLONEDIR" >&2
+		exit 1
+	}
+
+	assert_install
+
+	cd - > /dev/null
+}
+
+assert_clean_checkout() {
+	CHECKOUTDIR="$(mkdtemp)"
+	git --work-tree="$CHECKOUTDIR" checkout HEAD -- .
+	cd "$CHECKOUTDIR"
+
+	FILECOUNT="$(find . -type f | wc -l)"
+	make clean public dev-check
+	make clean
+	if [ "$FILECOUNT" != "$(find . -type f | wc -l)" ]; then
+		echo 'File count mismatch after "make clean".' >&2
+		echo "Checkout directory: $CHECKOUTDIR" >&2
+		exit 1
+	fi
+
+	assert_install
+
+	cd - > /dev/null
+}
+
+assert_clean_clone
+assert_clean_checkout