git submodule commit / push script

gsm.sh

#!/bin/bash
# submodule commit/push
set -e

submodules=`git submodule status | awk '{print $2}'`

command="$1"
shift
args="$@"

function apply_here(){
	case $command in
		commit)
			! git status | grep -q '^nothing to commit'
			;;
		push)
			git status | grep -q '# Your branch is ahead of '
			;;
		*)
			echo "command $command not supported"
			exit
			;;
	esac
}

for submodule in $submodules; do
	echo "==== submodule $submodule ===="

	pushd `pwd` > /dev/null
	cd $submodule
	if apply_here; then
		popd > /dev/null
		continue
	fi

	git $command $args
	popd > /dev/null
done

# vim: ai nu aw