Add initial packaging script (currently only for generating source PKGBUILD)

packaging/main.sh

@@ -0,0 +1,24 @@
+#!/bin/sh
+
+# get version number from backend TODO embed Go code that reads the value of LibmuttonVersion
+version=$(grep 'LibmuttonVersion = "' ../src/backend/1globals.go | cut -c22-26)
+
+# get revision number from user input, fallback to 1 if not provided
+if [ -z "$2" ]; then
+    revision=1
+else
+    revision="$2"
+fi
+
+# ensure output directory exists
+mkdir -p ./output
+
+case "$1" in
+    pkgbuild-git-stable)
+        . ./pkgbuild-git-stable.sh
+        create_pkgbuild_git_stable
+        ;;
+    *)
+    printf '\nusage: package.sh [target] <revision>\n\ntargets: pkgbuild-git-stable\n\n'
+    ;;
+esac