Automatic versionned tools update script.

update.sh

#!/bin/bash
#
# Batch VCS repositories update script.
# Finds all git/svn/mercurial repositories recursively
# and updates them.
#
# USAGE:
# 	./update.sh [PATH]
#
#	PATH
# 		Root folder within which repositories should be searched for.
#		If not provided, script's location is used as the root folder.
#

declare -A VCS_DIRS
VCS_DIRS=(['.git']="gitupdate" ['.svn']="svnupdate" ['.hg']="hgupdate")
CUR_DIR="$(pwd)"
RED="\033[0;31m"
YELLOW="\033[0;33m"
GREEN="\033[0;32m"
BLUE="\033[0;34m"
WHITE="\033[1;37m"
NOCOLOR="\033[0;0m"

errcheck() { # args: update_status, update_file, no_update_lines
	if [[ $1 -ne 0 ]]; then
		echo -e "${RED}FAILED (retcode=$1)${NOCOLOR}"
	else
		linecount=$(wc -l $2 | cut -d' ' -f1)
		if [[ ${linecount} -eq $3 ]]; then
			echo -e "${GREEN}NO UPDATE${NOCOLOR}"
		else
			echo -e "${BLUE}UPDATED${NOCOLOR}"
		fi
	fi
	rm $2
}

gitupdate() {
	git pull &>/tmp/gitupdate
	errcheck $? "/tmp/gitupdate" 1
}

svnupdate() {
	svn up &>/tmp/svnupdate
	errcheck $? "/tmp/svnupdate" 2
}

hgupdate() {
	(hg pull && hg update) &>/tmp/hgupdate
	errcheck $? "/tmp/hgupdate" 5
}

if [[ $# -eq 1 ]]; then
	ROOT_PATH="$1"
	test -d ${ROOT_PATH} || (echo -e "${RED}Path not found: ${ROOT_PATH}${NOCOLOR}" && exit 1)
else
	ROOT_PATH="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd )"
fi

for VCS_DIR in ${!VCS_DIRS[@]}; do
	for APP_CVS_DIR in `find ${ROOT_PATH} -type d -name "${VCS_DIR}"`; do
		toolname="$(basename $(readlink -f ${APP_CVS_DIR}/..))"
		echo -e -n "${YELLOW}[+] Updating ${WHITE}${toolname}${YELLOW}... "
		cd $APP_CVS_DIR/..
		${VCS_DIRS[$VCS_DIR]}
	done
done
cd $CUR_DIR