#!/bin/bash
-MIRROR="git://git.planet-lab.org"
-LOCAL="/git"
+MIRROR_GIT="git://git.planet-lab.org"
+MASTER_GIT="/git"
+LOCAL_MIRROR_DIR="/git-mirror"
+QUIET=0
+
+function msg () {
+ if [ $QUIET -eq 0 ]
+ then
+ echo "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx $@"
+ fi
+}
+
+function error () {
+ echo "[ERROR] xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx $@"
+}
+
+function run () {
+ if [ $QUIET -eq 1 ]
+ then
+ COMMAND="$1 &> /dev/null"
+ else
+ COMMAND="$1"
+ msg $COMMAND
+ fi
+ REPO=$2
+
+ pushd ${REPO} > /dev/null
+ eval $COMMAND
+ popd > /dev/null
+}
+
+function merge_all_branches () {
+ NAME=$1
+ REMOTE=$2
+ REPO_DIR=$3
+
+ pushd $REPO_DIR > /dev/null
+ BRANCHES=$(git branch -r | grep $REMOTE | grep -v HEAD | sed "s/.*\///g" | grep -v master)
+ popd > /dev/null
+
+ run "git checkout master" ${REPO_DIR}
+ run "git merge --ff $REMOTE/master" ${REPO_DIR}
+ for BRANCH in $BRANCHES ; do
+ run "git branch $BRANCH $REMOTE/$BRANCH" ${REPO_DIR}
+ run "git checkout $BRANCH" ${REPO_DIR}
+ run "git merge --ff $REMOTE/$BRANCH" ${REPO_DIR}
+ done
+}
+
+function push_all_branches () {
+ NAME=$1
+ REMOTE=$2
+ REPO_DIR=$3
+
+ pushd $REPO_DIR > /dev/null
+ BRANCHES=$(git branch -r | grep $REMOTE | grep -v HEAD | sed "s/.*\///g" | grep -v master)
+ popd > /dev/null
+
+ run "git push $REMOTE master:master" ${REPO_DIR}
+ for BRANCH in $BRANCHES ; do
+ run "git push $REMOTE $BRANCH:$BRANCH" ${REPO_DIR}
+ done
+}
function mirror () {
for arg in "$@" ; do
- REPO=${arg}
- REPO_NAME=${REPO}.git
- MIRROR_REPO=${MIRROR}/${REPO_NAME}
- LOCAL_REPO=${LOCAL}/${REPO_NAME}
+ NAME=$(basename ${arg} | sed s/.git$//g)
+ GIT_NAME=${NAME}.git
+ REPO_DIR=${LOCAL_MIRROR_DIR}/${NAME}
+ MIRROR_REPO=${MIRROR_GIT}/${GIT_NAME}
+ MASTER_REPO=${MASTER_GIT}/${GIT_NAME}
- if [ -d ${REPO} ]
+ # if there is no remote repository it may be that we only have
+ # the repository locally and don't need to mirror
+ git ls-remote $MIRROR_REPO &> /dev/null
+ if [ $? -eq 0 ]
then
- echo "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx pulling from ${REPO_NAME}"
- pushd ${REPO}
- git fetch --tags
- git pull
- popd
- else
- echo "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx mirroring in ${REPO_NAME} for the first time"
- git clone ${MIRROR_REPO}
- pushd ${REPO}
- git remote add local_master ${LOCAL_REPO}
- popd
- fi
+ if [ -d ${REPO_DIR} ]
+ then
+ msg "pulling from ${NAME}"
+ run "git fetch origin --tags" ${REPO_DIR}
+ run "git fetch origin" ${REPO_DIR}
+ merge_all_branches $NAME origin $REPO_DIR
+ if [ $? -ne 0 ]
+ then
+ error "Can not fetch from ${MASTER_REPO}"
+ fi
+ else
+ msg "mirroring ${NAME} for the first time"
+ run "git clone ${MIRROR_REPO}" ${LOCAL_MIRROR_DIR}
+ run "git remote add local_master ${MASTER_REPO}" ${REPO_DIR}
+ fi
- echo "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx pushing ${REPO_NAME} to local master"
- pushd ${REPO}
- git fetch local_master --tags
- git pull local_master
-
- git push local_master
- git push --tags local_master
- popd
+ msg "pushing ${NAME} to local master"
+ run "git fetch local_master --tags" ${REPO_DIR}
+ run "git fetch local_master" ${REPO_DIR}
+ merge_all_branches $NAME local_master $REPO_DIR
+ if [ $? -ne 0 ]
+ then
+ error "Can not fetch from ${MIRROR_REPO}"
+ else
+ run "git push --tags local_master" ${REPO_DIR}
+ push_all_branches $NAME local_master $REPO_DIR
+ fi
+ fi
done
}
-args="$@"
-[[ -z "$args" ]] && args=$(ls /svn)
-mirror $args
+while getopts ":hq" opt
+do
+ case $opt in
+ q)
+ QUIET=1
+ break
+ ;;
+ h)
+ echo "USAGE: $0 [-q] REPONAME*"
+ exit 1
+ ;;
+ \?)
+ echo "Invalid option: -$OPTARG" >&2
+ ;;
+ esac
+done
+
+shift $((OPTIND-1))
+mirror $@