planetmaker@openttd$ cat update-others.sh 
#!/bin/sh

# Update both git and mercurial, by checking where the commit was, and updating those repos

REV=$1

cd /var/repos/scripts
changed=`./detect-branch-changed.sh $REV`
for i in $changed; do
	./safe-svn-to-others.sh "$i"
done

planetmaker@openttd$ cat safe-svn-to-others.sh 
#!/bin/sh

flock --exclusive --nonblock svn-to-others.lock -c "./svn-to-others.sh \"$1\"" || touch svn-to-others.rerun

planetmaker@openttd$ cat svn-to-others.sh 
#!/bin/sh

if [ `whoami` = "root" ]; then
	echo "Please only execute this script under 'www-data' user"
	exit 1
fi

rm -f svn-to-others.rerun
umask 007

SVN_REPOS=file:///path/to/svn-repo
# converted svn repositories
CONVERT_DIR=/path/to/scripts/convert_storage
HG_REPOS=/path/to/hg-repos
GIT_REPOS=/path/to/git-repos
HG=/usr/bin/hg
GIT=/usr/bin/git

process_only=$1

cd $CONVERT_DIR

function convert {
	name=$1
	dir=$2
	repos_name=$3

	if [ -n "$process_only" ] && [ "$dir$name" != "$process_only" ]; then
		return
	fi

	cd $CONVERT_DIR
	mkdir -p hg
	cd hg

	if [ -n "$dir" ]; then
		mkdir -p $dir
		cd $dir
	fi
	# Load HG from SVN, and GIT from HG
	$HG --encoding UTF8 convert --datesort --config convert.svn.branches= --config convert.svn.tags= --config convert.svn.trunk= $SVN_REPOS/$dir$name $repos_name.hg
	cd $repos_name.hg

	# Set description
	echo "[web]
description=OpenTTD SVN - $dir$repos_name
contact=OpenTTD
allow_archive = bz2 gz zip
allowpull = true
style = gitweb
" > .hg/hgrc

	# Set the 'last change' date of 'hgweb' correct
	date=`hg tip | grep date: | cut -b 14- | sed 's/ +0000//'`
	touch -d "$date" .hg/store/00changelog.i

	cd $CONVERT_DIR
	mkdir -p git
	cd git

	if [ -n "$dir" ]; then
		mkdir -p $dir
		cd $dir
	fi

	if [ ! -d "$repos_name.git" ]; then
		mkdir $repos_name.git
		cd $repos_name.git
		$GIT svn init --no-metadata $SVN_REPOS/$dir$name
		$GIT config core.sharedRepository group
		$GIT config gitweb.owner "OpenTTD"
		$GIT svn fetch --no-follow-parent
		$GIT update-ref refs/heads/master git-svn
		$GIT checkout -f master
	else
		cd $repos_name.git
		$GIT svn fetch
		$GIT reset -q --hard git-svn
	fi

	echo "OpenTTD SVN - $dir$repos_name" > .git/description
	cd ..


	# Link to our repos dirs
	if [ ! -d "$HG_REPOS/$dir$repos_name.hg" ]; then
		mkdir -p $HG_REPOS/$dir$repos_name.hg
		ln -s $CONVERT_DIR/hg/$dir$repos_name.hg/.hg $HG_REPOS/$dir$repos_name.hg/.hg
	fi
	if [ ! -L "$GIT_REPOS/$dir$repos_name.git" ]; then
		mkdir -p $GIT_REPOS/$repos_dir
		ln -s $CONVERT_DIR/git/$dir$repos_name.git/.git $GIT_REPOS/$dir$repos_name.git
	fi

	if [ "$dir$name" = "trunk" ]; then
		if [ ! -d "$CONVERT_DIR/github" ]; then
			cd $CONVERT_DIR/
			$GIT clone $GIT_REPOS/trunk.git github
			cd github
			$GIT remote add github git@github.com:OpenTTD/OpenTTD.git
		fi

		cd $CONVERT_DIR/github
		$GIT pull origin
		$GIT push github master
	fi
}

convert "trunk" "" "trunk"

for svndir in branches extra; do
	for i in `svn ls $SVN_REPOS/$svndir/ | cut -d/ -f1`; do
		convert "$i" "$svndir/" "$i"
	done
done

if [ -f "svn-to-others.rerun" ]; then
	sh $0
fi