HTCondorWiki: Bag And Tag

 git push origin foo:foo
 {endcode}
 to restore the branch.
+
+Here is the actual script:
+{code}
+#!/bin/bash
+
+GIT_DIR=/p/condor/repository/CONDOR_SRC.git
+export GIT_DIR
+
+bag_n_tag() {
+        trimmed_branch_name=$(echo $1 | sed 's|^refs/remotes/origin/||;s|^refs/heads/||')
+        origin_ref=refs/remotes/origin/${trimmed_branch_name}
+        cat <<TAGCOMMANDS
+git tag -a -m "Bag-n-tag branch ${trimmed_branch_name}" ${trimmed_branch_name}-tag "${origin_ref}" || { echo "Failed to create tag ${trimmed_branch_name}-tag"; exit 1; }
+git push origin tag ${trimmed_branch_name}-tag || { echo "Failed to push tag ${trimmed_branch_name}-tag to origin"; exit 1; }
+git push origin :refs/heads/${trimmed_branch_name} || { echo "Failed to delete branch ${trimmed_branch_name} from origin"; exit 1; }
+TAGCOMMANDS
+echo
+}
+
+ctime=$(date +'%s')
+ctime=$(( $ctime - 7776000 ))
+git for-each-ref refs/heads | while read sha1 type refname
+do
+#       echo $refname
+        branchname=$(if test "$type" != "commit"; then
+                exit 0
+        fi
+# This should never happen, but being paranoid...
+        if echo "$refname" | grep -qE 'refs/tags'; then
+                exit 0;
+        fi
+        commitdate="$(git log --pretty=format:'%ct' -1 $sha1)"
+        if test "$commitdate" -gt "$ctime"; then
+                exit 0;
+        fi
+        echo $refname)
+        if test -n "$branchname"; then
+                bag_n_tag "$branchname"
+        fi
+done
+{endcode}