First version of auto_build

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

auto_build.sh

@@ -0,0 +1,37 @@
+#!/bin/bash
+
+# Get the script directory
+script_dir="$(dirname $(realpath $0))"
+
+repo_url="http://repo.yunohost.org/debian/"
+
+# 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"
+}
+
+# Compare the last available release with the previous one
+compare_version () {
+	new_version="$1"
+	version_file="$script_dir/ynh_${deb_dist}_${dist}"
+	old_version=$(cat "$version_file" 2> /dev/null)
+	if [ "$new_version" != "$old_version" ]
+	then
+		echo "$new_version" > "$version_file"
+		echo ">>> Build a new iso for YunoHost $dist on $deb_dist i386" | tee -a "$script_dir/ynh_build.log"
+		"$script_dir/build-yunohost" i386 $dist $deb_dist 2>&1 | tee -a "$script_dir/ynh_build.log"
+
+		echo ">>> Build a new iso for YunoHost $dist on $deb_dist amd64" | tee -a "$script_dir/ynh_build.log"
+		"$script_dir/build-yunohost" amd64 $dist $deb_dist 2>&1 | tee -a "$script_dir/ynh_build.log"
+	fi
+}
+
+deb_dist=jessie
+dist=stable
+compare_version "$(get_ynh_release)"
+
+dist=testing
+compare_version "$(get_ynh_release)"