From 5b03b1be3695f61488e0706a05ae382adfba3886 Mon Sep 17 00:00:00 2001
From: EuAndreh <eu@euandre.org>
Date: Thu, 1 Dec 2022 19:35:31 -0300
Subject: git mv scripts/paku src/bin/

---
 src/bin/paku | 369 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 369 insertions(+)
 create mode 100755 src/bin/paku

(limited to 'src')

diff --git a/src/bin/paku b/src/bin/paku
new file mode 100755
index 0000000..8d5a967
--- /dev/null
+++ b/src/bin/paku
@@ -0,0 +1,369 @@
+#!/bin/sh
+set -eu
+
+TARBALL_TEMPLATE='https://euandreh.xyz/@NAME@.git/snapshot/@NAME@-@VERSION@.tar.gz'
+
+tarball_url() {
+	NAME="$1"
+	VERSION="$2"
+	echo "$TARBALL_TEMPLATE" | \
+		sed -e "s/@NAME@/$NAME/g" \
+				-e "s/@VERSION@/$VERSION/g"
+}
+
+gen_guix() {
+	GUIX_OUT="$(mktemp)"
+
+	cat <<EOF >>"$GUIX_OUT"
+(define-module (xyz euandreh packages)
+  #:use-module ((guix licenses) #:prefix license:)
+  #:use-module (guix gexp)
+  #:use-module (guix packages)
+  #:use-module (guix download)
+  #:use-module (guix build-system gnu))
+EOF
+
+	for p in $(jq -r '.packages[] | @base64' < paku.json); do
+		NAME="$(echo "$p" | base64 --decode | jq -r '.name')"
+		SUFFIX="$(echo "$p" | base64 --decode | jq -r '.suffix')"
+		VERSION="$(echo "$p" | base64 --decode | jq -r '.version')"
+		TARBALL="$(tarball_url "$NAME" "$VERSION")"
+		SHA256="$(guix download "$TARBALL" | tail -n 1)"
+		JSON_CHECK_INPUTS="$(echo "$p" | base64 --decode | jq -r '.check_inputs')"
+		if [ "$JSON_CHECK_INPUTS" = 'null' ]; then
+			CHECK_INPUTS=''
+		else
+			INPUTS=''
+			for check_input in $(echo "$JSON_CHECK_INPUTS" | jq -r '.[]'); do
+				if [ "$INPUTS" = '' ]; then
+					INPUTS="(\"$check_input\" ,(specification->package \"$check_input\"))"
+				else
+					INPUTS="$INPUTS
+        (\"$check_input\" ,(specification->package \"$check_input\"))"
+				fi
+			done
+
+			CHECK_INPUTS="
+    (inputs
+     \`($INPUTS))"
+		fi
+
+		cat <<EOF >>"$GUIX_OUT"
+
+(define-public $NAME$SUFFIX
+  (package
+    (name "$NAME$SUFFIX")
+    (version "$VERSION")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append
+                    "https://euandreh.xyz/$NAME.git/snapshot/$NAME-"
+                    version
+                    ".tar.gz"))
+              (sha256
+               (base32
+                "$SHA256"))))
+    (build-system gnu-build-system)$CHECK_INPUTS
+    (arguments \`(#:make-flags
+                 (list (string-append "PREFIX=" %output))
+                 #:phases
+                 (modify-phases %standard-phases
+                   (delete 'configure))))
+    (synopsis (file-append source "/description"))
+    (description (file-append source "/long-description"))
+    (home-page "https://euandreh.xyz/$NAME/")
+    (license license:agpl3+)))
+EOF
+	done
+	
+	printf '\n(list' >>"$GUIX_OUT"
+	for p in $(jq -r '.packages[] | @base64' < paku.json); do
+		NAME="$(echo "$p" | base64 --decode | jq -r '.name')"
+		SUFFIX="$(echo "$p" | base64 --decode | jq -r '.suffix')"
+
+		printf '\n %s%s' "$NAME" "$SUFFIX" >>"$GUIX_OUT"
+	done
+	printf ')\n' >>"$GUIX_OUT"
+
+	mv "$GUIX_OUT" src/xyz/euandreh/packages.scm
+}
+
+gen_nix() {
+	NIX_OUT="$(mktemp)"
+
+	cat <<EOF >>"$NIX_OUT"
+{ pkgs }:
+self: super: {
+  xyz-euandreh = {
+EOF
+
+	for p in $(jq -r '.packages[] | @base64' < paku.json); do
+		NAME="$(echo "$p" | base64 --decode | jq -r '.name')"
+		SUFFIX="$(echo "$p" | base64 --decode | jq -r '.suffix')"
+		VERSION="$(echo "$p" | base64 --decode | jq -r '.version')"
+		TARBALL="$(tarball_url "$NAME" "$VERSION")"
+		SHA256="$(nix-prefetch-url --unpack "$TARBALL")"
+		JSON_CHECK_INPUTS="$(echo "$p" | base64 --decode | jq -r '.check_inputs')"
+		if [ "$JSON_CHECK_INPUTS" = 'null' ]; then
+			CHECK_INPUTS=''
+		else
+			INPUTS='['
+			for check_input in $(echo "$JSON_CHECK_INPUTS" | jq -r '.[]'); do
+				INPUTS="$INPUTS $check_input"
+			done
+			INPUTS="$INPUTS ]"
+
+			CHECK_INPUTS="
+      checkInputs = with pkgs; $INPUTS;"
+		fi
+
+		cat <<EOF >>"$NIX_OUT"
+    $NAME$SUFFIX = pkgs.stdenv.mkDerivation rec {
+      name = "$NAME";
+      version = "$VERSION";
+
+      src = fetchTarball {
+        url =
+          "https://euandreh.xyz/\${name}.git/snapshot/\${name}-\${version}.tar.gz";
+        sha256 = "$SHA256";
+      };
+
+      makeFlags = [ "PREFIX=\$(out)" ];
+$CHECK_INPUTS
+      doCheck = true;
+
+      meta = with pkgs.lib; {
+        description = readFile "\${src}/description";
+        longDescription = readFile "\${src}/long-description";
+        homepage = "https://euandreh.xyz/$NAME/";
+        changelog = "https://euandreh.xyz/$NAME/CHANGELOG.html";
+        downloadPage = "https://euandreh.xyz/$NAME/#releases";
+        license = licenses.agpl3;
+        platforms = platforms.unix;
+      };
+    };
+EOF
+	done
+
+	cat <<EOF >>"$NIX_OUT"
+  };
+}
+EOF
+
+	mv "$NIX_OUT" default.nix
+}
+
+pascalize() {
+	awk '{printf "%s", toupper(substr($1,1,1)) substr($1,2)}'
+}
+
+gen_homebrew() {
+	for p in $(jq -r '.packages[] | @base64' < paku.json); do
+		HOMEBREW_OUT="$(mktemp)"
+		NAME="$(echo "$p" | base64 --decode | jq -r '.name')"
+		NAME_UC="$(echo "$NAME" | pascalize)"
+		SUFFIX="$(echo "$p" | base64 --decode | jq -r '.suffix')"
+		SUFFIX_UC="$(echo "$SUFFIX" | cut -c2- | pascalize)"
+		VERSION="$(echo "$p" | base64 --decode | jq -r '.version')"
+		TYPE="$(echo "$p" | base64 --decode | jq -r '.type')"
+		TARBALL_URL="$(tarball_url "$NAME" "$VERSION")"
+		TARBALL="$(mktemp)"
+		wget -O "$TARBALL" "$TARBALL_URL"
+		SHA256="$(sha256sum "$TARBALL" | cut -d\  -f 1)"
+		DESCRIPTION="$(tar xvf "$TARBALL" -O "$NAME-$VERSION/description")"
+		JSON_CHECK_INPUTS="$(echo "$p" | base64 --decode | jq -r '.check_inputs')"
+		if [ "$JSON_CHECK_INPUTS" = 'null' ]; then
+			CHECK_INPUTS=''
+		else
+			CHECK_INPUTS=''
+			for check_input in $(echo "$JSON_CHECK_INPUTS" | jq -r '.[]'); do
+				CHECK_INPUTS="$CHECK_INPUTS
+  depends_on '$check_input' => :build"
+			done
+			CHECK_INPUTS="$CHECK_INPUTS
+"
+		fi
+
+		TEST_SECTION=''
+		if [ "$TYPE" = 'bin' ]; then
+			TEST_SECTION="
+
+  test do
+    system \"#{bin}/$NAME\", '-V'
+  end"
+		fi
+
+		cat <<EOF >>"$HOMEBREW_OUT"
+class ${NAME_UC}$SUFFIX_UC < Formula
+  desc '$DESCRIPTION'
+  homepage 'https://euandreh.xyz/$NAME/'
+  url '$TARBALL_URL'
+  sha256 '$SHA256'
+  license 'AGPL-3.0-or-later'
+$CHECK_INPUTS
+  def install
+    system 'make'
+    system 'make', 'check'
+    system 'make', 'install', "PREFIX=#{prefix}"
+  end$TEST_SECTION
+end
+EOF
+		mv "$HOMEBREW_OUT" "Formula/$NAME$SUFFIX.rb"
+	done
+}
+
+refresh_packages() {
+	COUNT="$(jq -r '.packages[].name' < paku.json | wc -l)"
+	INDEXES="$(seq 0 "$((COUNT - 1))")"
+	for N in $INDEXES; do
+		NAME="$(jq -r ".packages[$N].name" < paku.json)"
+		SUFFIX="$(jq -r ".packages[$N].suffix" < paku.json)"
+		cd "../../published/$NAME/"
+		if [ "$SUFFIX" = '-latest' ]; then
+			NEW_VERSION="$(git rev-parse HEAD)"
+		else
+			NEW_VERSION="$(git describe --tags --abbrev=0 | cut -c2-)"
+		fi
+		DESCRIPTION="$(cat description)"
+		cd - >/dev/null
+		jq -r ".packages[$N].version = \"$NEW_VERSION\"" paku.json | sponge paku.json
+		jq -r ".packages[$N].description = \"$DESCRIPTION\"" paku.json | sponge paku.json
+	done
+}
+
+report_index() {
+	HTML_OUT='public/paku.html'
+	cat <<EOF > "$HTML_OUT"
+<!DOCTYPE html>
+<html lang="en">
+	<head>
+		<meta charset="UTF-8" />
+		<meta name="viewport" content="width=device-width, initial-scale=" />
+		<link rel="icon" type="image/svg+html" href="favicon.svg" />
+		<title>Package index</title>
+
+		<style>
+			ul {
+				list-style: none;
+			}
+			li {
+				margin-top: 30px;
+			}
+		</style>
+	</head>
+	<body>
+		<h1>
+			Package index
+		</h1>
+		<ul>
+EOF
+
+	for p in $(jq -r '.packages[] | @base64' < paku.json); do
+		NAME="$(echo "$p" | base64 --decode | jq -r '.name')"
+		DESCRIPTION="$(echo "$p" | base64 --decode | jq -r '.description')"
+		SUFFIX="$(echo "$p" | base64 --decode | jq -r '.suffix')"
+		if [ -z "$SUFFIX" ]; then
+			VERSION="$(echo "$p" | base64 --decode | jq -r '.version')"
+			ID='released'
+		else
+			VERSION='latest'
+			ID='latest'
+		fi
+
+		cat <<EOF >> "$HTML_OUT"
+			<li id="$NAME-$ID">
+				<details>
+					<summary><a href="#$NAME-$ID">$NAME</a> ($VERSION) - $DESCRIPTION</summary>
+					<p>
+						<a href="https://euandreh.xyz/$NAME/">Homepage</a>.
+					</p>
+
+					<section>
+						<h2>Guix</h2>
+						<p>
+							After following the
+							<a href="#guix-instructions">Guix instructions</a> to include this
+							channel, now you can create an environment that includes this
+							package:
+						</p>
+						<pre><code>$ guix environment --ad-hoc $NAME$SUFFIX</code></pre>
+						<p>
+							Alternatively, you can install it imperatively:
+						</p>
+						<pre><code>$ guix install $NAME$SUFFIX</code></pre>
+					</section>
+					<section>
+						<h2>Nix</h2>
+						<p>
+							After following the
+							<a href="#nix-instructions">Nix instructions</a> to include this
+							repository as an overlay, now you can create a new Nix shell that
+							includes this package:
+						</p>
+						<pre><code>$ nix-shell -p $NAME$SUFFIX</code></pre>
+						<p>
+							Alternatively, you can install it imperatively:
+						</p>
+						<pre><code>$ nix-env -i $NAME$SUFFIX</code></pre>
+					</section>
+				</details>
+			</li>
+EOF
+	done
+
+	cat <<EOF >> "$HTML_OUT"
+		</ul>
+		<article id="guix-instructions">
+			<h2>Guix instructions</h2>
+			<p>
+				Add this channel to your <code>~/.config/guix/channels.scm</code>:
+			</p>
+			<pre><code>(cons*
+ (channel
+  (name 'xyz-euandreh)
+  (url "git://euandreh.xyz/package-repository")
+  (branch "main")
+  (introduction
+   (make-channel-introduction
+    "d749e053e6db365069cb9b2ef47a78b06f9e7361"
+    (openpgp-fingerprint
+     "5BDA E9B8 B2F6 C6BC BB0D  6CE5 81F9 0EC3 CD35 6060"))))
+ %default-channels)</code></pre>
+		</article>
+
+		<article id="nix-instructions">
+			<h2>Nix instructions</h2>
+			<p>
+				Add the overlay to your <code>/etc/nixox/configuration.nix</code>:
+			</p>
+			<pre></code>nixpkgs = {
+  overlays = [
+    (import (fetchTarball {
+      url = "https://euandreh.xyz/package-repository.git/snapshot/package-repository-main.tar.gz";
+    }) { inherit pkgs; })
+  ];
+};</code></pre>
+		</article>
+	</body>
+</html>
+EOF
+}
+
+while getopts 'grl' flag; do
+	case "$flag" in
+		g)
+			gen_guix
+			# gen_nix
+			# gen_homebrew
+			;;
+		r)
+			refresh_packages
+			;;
+		l)
+			report_index
+			;;
+		*)
+			printf 'Unrecognized flag "%s".\n' "$flag" >&2
+			;;
+	esac
+done
-- 
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