#!/bin/bash
set -ex

d=/srv/dgit.debian.org

ssh iwj@gideon.debian.org "
	set -ex

	d=$d"'

	cd $d
	mkdir -p transfer.tmp
	cd transfer.tmp

	rsync -rltHxp --delete iwj@git.debian.org:/git/dgit-repos/repos.now-on-gideon/. .

	find \(		\( ! -type f ! -type d \) \
		-o	-perm +5002 -o \! -perm +2555 \
		-o	-type d \! -perm +2775 \
		-o	-path \*/hooks/\* ! -name \*.sample \
		\) -ls \
		>$d/transfer.bad
	if [ -s $d/transfer.bad ]; then
		head $d/transfer.bad
		echo >&2 " BAD"
		exit 1
	fi

	(
	 cd $d/transfer.tmp
	 mv irker.git irker.arrgh
	 cp -a _template irker.git
	 cd irker.git
	 git fetch -p ../irker.arrgh "+refs/heads/dgit/*:refs/dgit/*"
	)

	set +x
	for f in $d/transfer.tmp/*.git; do
		cp $d/repos/_template/description $f/description
		touch $f/git-daemon-export-ok
		(export GIT_DIR=$f
		 master=`git for-each-ref "[r]efs/heads/master"`
		 sid=`git for-each-ref "[r]efs/dgit/sid"`
		 if [ "x$master" = x ] && [ "x$sid" != x ]; then
			git update-ref refs/heads/master refs/dgit/sid
		 fi)
		(export GIT_DIR=$f
		 git for-each-ref --format="%(refname)" | while read r; do
			case "$r" in
			refs/heads/master)	;;
			refs/tags/debian/*)	;;
			refs/dgit/*)		;;
			*)
				git update-ref -d "$r"
				;;
			esac
		done)
	done

	cat <<END >$d/transfer.run
		#!/bin/sh -ex
		cd $d/transfer.tmp
		rsync -rltHxp --delete *.git $d/repos/
		# _template
		echo done locally, copying...

		distrodir=$d/dispatch-dir/distro\=debian
		\$distrodir/mirror-hook \$distrodir all
		echo done all.
END
	chmod +x $d/transfer.run
'

: "on gideon
	sudo -u dgit bash
	$d/transfer.run
"