opensde-nopast/bin/sde-update-tree

#!/bin/sh
# --- SDE-COPYRIGHT-NOTE-BEGIN ---
# This copyright note is auto-generated by ./scripts/Create-CopyPatch.
#
# Filename: bin/sde-update-tree
# Copyright (C) 2007 - 2009 The OpenSDE Project
#
# More information can be found in the files COPYING and README.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; version 2 of the License. A copy of the
# GNU General Public License can be found in the file COPYING.
# --- SDE-COPYRIGHT-NOTE-END ---

#Description: Updates the entire working tree

[ -n "$SDEROOT" ] ||
	export SDEROOT=$( cd "${0%/*}/.."; pwd -P )

. $SDEROOT/lib/libsde.in

update_usage() {
	local progname=${0##*/}
	cat <<-EOT
	Usage:	${progname//-/ }
	EOT
}

shortopts=
longopts='help'
options=$( getopt -o "$shortopts" -l "$longopts" -- "$@" )
if [ $? -ne 0 ]; then
	update_usage
	exit -1
fi

# load new arguments list
eval set -- "$options"

while [ $# -gt 0 ]; do
	case "$1" in
		--help)
			update_usage
			exit 0 ;;

		--)	shift; break ;;
		*)	echo_abort 1 "Unknown argument '$1', aborting."
	esac
	shift
done

# jump to the working tree's root
#
cd "$SDEROOT"

tree="${SDEROOT##*/}"

update_git()
{
	local prefix="$1"
	local branch=$( git symbolic-ref -q HEAD | sed -e 's|^refs/heads/||' )
	local remote=$( git config branch.$branch.remote )
	local remote_list=$( git remote )
	local remote_branch= remote_branch_list=

	if [ -z "$remote_list" ]; then
		echo_warning "$prefix: no remotes set"
		return 0
	elif [ -n "$remote" -a -z "$( echo "$remote_list" | grep "^$remote\$" )" ]; then
		echo_abort 1 "$prefix: what?! '$remote' is gone!"
	elif [ -z "$remote" ]; then
		# uhm, get a good remote
		if [ "$( echo "$remote_list" | grep "^origin$" )" ]; then
			remote=origin
		else
			remote="$( echo "$remote_list" | head -n 1 )"
		fi

		# and it's list of branches
		remote_branch_list=$( git branch -r | sed -n -e "s|^  $remote/||p" | grep -v '^HEAD$' )

		if [ -z "$remote_branch_list" ]; then
			echo_abort 1 "$prefix: no remote set, and couldn't guess one".
		elif [ "$( echo "$remote_branch_list" | grep "^$branch$" )" ]; then
			remote_branch="$branch"
		elif [ "$( echo "$remote_branch_list" | grep "^master$" )" ]; then
			remote_branch=master
		else
			remote_branch="$( echo "$remote_branch_list" | head -n 1 )"
		fi
			
		echo_warning "$prefix: no remote set, assuming $remote/$remote_branch."
		git config branch.$branch.remote "$remote"
		git config branch.$branch.merge "refs/heads/$remote_branch"
	else
		echo_info "$prefix:"
	fi	

	if git reset; then
		git remote prune "$remote"
		git pull --rebase
	fi
}

update_svn_nested()
{
	trap ':' INT
	# find svn:externals, and filter out sub-externals
	svn st | grep '^X' | cut -c8- | tee /tmp/$$.nested |
	while read f; do
		sed -i -e "s|^$f/.*||;" -e '/^$/d;' /tmp/$$.nested
	done
	cat /tmp/$$.nested
	rm -f /tmp/$$.nested
	trap '-' INT
}

update_svn()
{
	local prefix="$1" x=

	echo_info "$prefix:"
	svn up --ignore-externals

	# nested svn
	for x in $( update_svn_nested ); do
		( cd "$x"; update_svn "$prefix/$x" )
	done
}

# hunt for the roots of the sub-working trees
#
baseurl=$( git config remote.origin.url | sed -e 's|/[^/]*$||' )
[ -n "$baseurl" ] || baseurl="git://git.opensde.net/opensde"

for x in . package $( ls -1d package/* target/* 2> /dev/null ); do
	if [ -e "$x" -a ! -d "$x/" ]; then
		continue
	elif [ "$x" = "." ]; then
		prefix="$tree"
	else
		prefix="$tree/$x"
	fi

	if [ ! -d "$x" ]; then
		case "$x" in
			package)
				echo_info "$prefix:"
				git clone "$baseurl/$x-nopast.git" "$x"
				;;
			*)
				echo_warning "$prefix: missing"
				;;
		esac
	elif [ -d "$x/.git" ]; then
		( cd "$x" && update_git "$prefix" )
	elif [ -d "$x/.svn" ]; then
		( cd "$x" && update_svn "$prefix" )
	fi
done