Add very simple generate-stackbrew-library.sh

Author: tianon

generate-stackbrew-library.sh

@@ -0,0 +1,23 @@
+#!/bin/bash
+set -e
+
+cd "$(dirname "$(readlink -f "$BASH_SOURCE")")"
+
+url='git://github.com/docker-library/wordpress'
+
+echo '# maintainer: InfoSiftr <[email protected]> (@infosiftr)'
+
+commit="$(git log -1 --format='format:%H' .)"
+fullVersion="$(grep -m1 'ENV WORDPRESS_VERSION ' Dockerfile | cut -d' ' -f3)"
+
+versionAliases=()
+while [ "${fullVersion%.*}" != "$fullVersion" ]; do
+	versionAliases+=( $fullVersion )
+	fullVersion="${fullVersion%.*}"
+done
+versionAliases+=( $fullVersion latest )
+
+echo
+for va in "${versionAliases[@]}"; do
+	echo "$va: ${url}@${commit} $version"
+done