First version of auto_build (#3)

* First version of auto_build

This script is design to be executed by a cron task.

* Fully functionnal auto_build.sh

auto_build.sh

@@ -0,0 +1,67 @@
+#!/bin/bash
+
+# Get the script directory
+script_dir="$(dirname $(realpath $0))"
+
+repo_url="http://repo.yunohost.org/debian/"
+
+build_yunohost_org_dir="/var/www/build"
+
+iso_directory="$script_dir"
+old_iso_directory="$iso_directory/releases_archive"
+mkdir -p "$old_iso_directory"
+
+# Find the release version of YunoHost
+get_ynh_release () {
+	wget --quiet ${repo_url}dists/${deb_dist}/${dist}/binary-i386/Packages.gz -O "$script_dir/Packages.gz"
+	gunzip "$script_dir/Packages.gz"
+	grep "^Package: yunohost$" --after-context=1 "$script_dir/Packages" | grep "Version" | awk '{print $2;}'
+	rm "$script_dir/Packages"
+}
+
+build_new_version () {
+	local arch="$1"
+	echo -e "\n$(date)" >> "$script_dir/ynh_build.log"
+	echo ">>> Build a new iso for YunoHost $dist on $deb_dist $arch" | tee -a "$script_dir/ynh_build.log"
+	(cd "$script_dir"
+	./build-yunohost $arch $dist $deb_dist 2>&1 | tee -a "$script_dir/ynh_build.log"
+	)
+
+	# Move the old iso in another directory
+	mv "$script_dir/images/yunohost-$deb_dist-$old_version-$arch-$dist".{iso,iso.sig,iso.sum} "$old_iso_directory"
+	# And put at its place the new iso
+	local image_name="yunohost-$deb_dist-$new_version-$arch-$dist"
+	mv "$script_dir/images/$image_name".{iso,iso.sig,iso.sum} "$iso_directory"
+
+	# Modify the links on build.yunohost.org
+	if [ "$dist" = "stable" ]
+	then	# Stable
+		sed --in-place "s@\(<a href=\".*\)yunohost-.*iso\(\">Stable $arch</a> | <a href=\"\).*sig\(\">pgp</a> - <a href=\"\).*sum\(\">sha512</a><br>\)@ \
+		\1$image_name.iso\2$image_name.iso.sig\3$image_name.iso.sum\4@" \
+		"$build_yunohost_org_dir/index.html"
+	else	# Testing
+		sed --in-place "s@\(<a href=\".*\)yunohost-.*iso\(\">Testing $arch</a> | <a href=\"\).*sig\(\">pgp</a> - <a href=\"\).*sum\(\">sha512</a><br>\)@ \
+		\1$image_name.iso\2$image_name.iso.sig\3$image_name.iso.sum\4@" \
+		"$build_yunohost_org_dir/index.html"
+	fi
+}
+
+# Compare the last available release with the previous one
+compare_version () {
+	local new_version="$1"
+	local version_file="$script_dir/ynh_${deb_dist}_${dist}"
+	local old_version=$(cat "$version_file" 2> /dev/null)
+	if [ "$new_version" != "$old_version" ]
+	then
+		echo "$new_version" > "$version_file"
+		build_new_version i386
+		build_new_version amd64
+	fi
+}
+
+deb_dist=jessie
+dist=stable
+compare_version "$(get_ynh_release)"
+
+dist=testing
+compare_version "$(get_ynh_release)"