Updates all Git repos in directory, defaults to Vim bundles.

update-repos.sh

#!/bin/bash
# author: janlay@gmail.com

WORKDING_DIR="${1-$HOME/.vim/bundle}"
GIT_DIR_ROOT="$HOME/Workspace/.gitrepo"
echo "Working on $WORKDING_DIR"

for i in `find "$WORKDING_DIR" -mindepth 1 -maxdepth 1 -type d`; do
	REPO_NAME="${i##*/}"
	export GIT_WORK_TREE="$WORKDING_DIR/$REPO_NAME"
	export GIT_DIR="$GIT_WORK_TREE/.git"
	[ -d "$GIT_DIR" ] || export GIT_DIR="$GIT_DIR_ROOT/$REPO_NAME"
	[ -d "$GIT_DIR" ] || continue
	# echo "DEBUG: $i, $REPO_NAME, $GIT_WORK_TREE, $GIT_DIR"

	echo -en "\r\033[2K⛳️ Checking \033[0;34m$REPO_NAME\033[0m ... "

	# Check tracking branch
	git rev-parse --abbrev-ref @{upstream} > /dev/null 2> /dev/null
	if [ $? -gt 0 ]; then
		echo -n "Tracking branch required"
		continue
	fi

	# Check if updates are available
	git fetch --quiet
	if [ "$(git rev-parse HEAD)" == "$(git rev-parse @{u})" ]; then
		continue
	fi

	# Start updating
	echo "Updates available"
	git pull --recurse-submodules 2>&1 | sed 's/^/  /'
	[ -f "$GIT_DIR/.gitmodules" ] && (git submodule update 2>&1 | sed 's/^/  /')
done

unset GIT_WORK_TREE
unset GIT_DIR

echo -e "\r\033[2KAll done."