update-git-svn: script to mirror a git-svn repo

1 files changed, 46 insertions, 0 deletions

diff --git a/update-git-svn b/update-git-svn
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+#!/bin/sh
+
+# Push changes from local git-svn mirrors to gitorious repositories:
+REPOS="${1:-asterisk dahdi-linux dahdi-tools libpri octapi}"
+BASE_DIR=/home/git
+PUSH_MIRROR=gitorious
+
+set -e
+
+# An explicit list of heads to mirror. Don't push any random working branch
+# svn_* - branchs
+# v[0-9]* - tags
+# vPR[0-9]* - tags of octapi
+mirrored_refs() {
+	ls .git/refs/heads/ | grep '^svn_'
+	ls .git/refs/tags/ | egrep '^v(|PR)[0-9]\+\.'
+}
+
+mirror_repo() {
+	# Sanity check: make sure we already set up mirroring:
+	if ! grep -q "^\[remote \"$PUSH_MIRROR\"\]" .git/config; then
+		return
+	fi
+	# FIXME: make less noisy?
+	git push --thin --force "$PUSH_MIRROR" `mirrored_refs`
+}
+
+# A quick snapshot of this repository. To help check if anything changed:
+remotes_checksum() {
+	grep . .git/refs/remotes/* .git/refs/remotes/tags/* \
+	| sha1sum | cut -d' ' -f1
+}
+
+for repo in $REPOS; do
+	cd $BASE_DIR/$repo
+	git checkout --quiet master
+	sum_before=`remotes_checksum`
+	git svn fetch --quiet --fetch-all	
+	sum_after=`remotes_checksum`
+	if [ "$sum_before" = "$sum_after" ]; then
+		continue
+	fi
+	../asterisk-tools/update_branches
+	../asterisk-tools/update_tags
+	mirror_repo
+done