add gitdist for release distribution

gitdist

@@ -0,0 +1,45 @@
+#!/bin/bash
+
+###################################
+# gitdist packs zip archives and  #
+#  copies them to a remote server #
+###################################
+
+example='projectName=spameggs
+sshUserHost="foo@bar.org"
+sshPort=22
+releaseFolder=/srv/releases
+files="binary1 binary2 readme.md"'
+
+source .gitdist || { echo "you need a .gitdist file in your git repo"; exit 1; }
+
+if [ -z "$projectName" ] || [ -z "$sshUserHost" ] || [ -z "$sshPort" ] || [ -z "$releaseFolder" ] || [ -z "$files" ]; then
+    echo '.gitdist does not provide all necessary variables'
+    echo "example of a .gitdist file:"
+    echo
+    echo "$example"
+    exit 1
+fi
+
+timestamp=`date +"%Y%m%d-%H%M"`
+currentBranch=`git rev-parse --abbrev-ref HEAD`
+
+if [ "$currentBranch" = "master" ]; then
+    zipfile="$projectName-$timestamp.zip"
+    setCurrent=true
+else
+    zipfile="$projectName-$currentBranch-$timestamp.zip"
+fi
+echo "zipfile: $zipfile"
+zip "$zipfile" $files
+
+destination="$releaseFolder/$projectName"
+echo "destination: $sshUserHost:$destination"
+ssh $sshUserHost -p $sshPort mkdir -p "$destination"
+scp -P "$sshPort" "$zipfile" "$sshUserHost:$destination"
+if [ "$setCurrent" = true ]; then
+    target="$destination/$zipfile"
+    slink="$destination/current.zip"
+    echo "linking $slink -> $target"
+    ssh $sshUserHost -p $sshPort ln -sf "$target" "$slink"
+fi