git-sync Synchronize files across machines via Git

git-sync.sh

#!/bin/bash

GITSYNC_REPOS=~/.gitsyncrepos


project_root () {
	old_dir=$(pwd)
	while ! ls .git 1>/dev/null 2>/dev/null
	do
		cd ..
	done
	pwd
	cd $old_dir
}


git_sync_init () {
	root=$(project_root)
	if [ -z "$root" ]
	then
		echo No git repository 1>&2
		return 1
	fi
	grep "$root" $GITSYNC_REPOS 1>/dev/null || echo "$root" >> $GITSYNC_REPOS
}


git_sync_updated_files () {
	minutes=5
	[ $# -ge 1 ] && minutes=$1
	
	find $(git status -s | awk '{ print $2 }') -mmin $minutes
}


git_sync_synchronize () {
	git remote get-url origin 2>/dev/null && git "$1"
}

git_sync_update_repos () {
	while read repo
	do
		cd "$repo"
		git_sync_synchronize pull
		git add $(git_sync_update_files)
		git commit -m "update at $(date)"
		git_sync_synchronize push
		cd ~
	done < $GITSYNC_REPOS
}

git_sync_daemon () {
	interval=300
	[ $# -ge 1 ] && interval=$2
	watch --interval $interval git_sync_update_repos &
}


git_sync_ls_repos () {
	sort $GITSYNC_REPOS
}


case "$1" in
	daemon)
		git_sync_daemon
	;;
	init)
		git_sync_init
	;;
	ls-repos)
		git_sync_ls_repos
	;;
	update)
		git_sync_update_files
	;;
esac