qeum32-5 is officially dead

[infrastructure.git] / scripts / git-mirror.sh

diff --git a/scripts/git-mirror.sh b/scripts/git-mirror.sh
old mode 100644 (file)
new mode 100755 (executable)
index 434b7e8..fbb7849
--- a/scripts/git-mirror.sh
+++ b/scripts/git-mirror.sh
@@ -1,40 +1,131 @@
 #!/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 pull --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 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 $@