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-rwxr-xr-xcontrib/subtree/git-subtree.sh22
1 files changed, 16 insertions, 6 deletions
diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh
index 7d7af03274..dc59a91031 100755
--- a/contrib/subtree/git-subtree.sh
+++ b/contrib/subtree/git-subtree.sh
@@ -9,10 +9,10 @@ if [ $# -eq 0 ]; then
fi
OPTS_SPEC="\
git subtree add --prefix=<prefix> <commit>
-git subtree add --prefix=<prefix> <repository> <commit>
+git subtree add --prefix=<prefix> <repository> <ref>
git subtree merge --prefix=<prefix> <commit>
-git subtree pull --prefix=<prefix> <repository> <refspec...>
-git subtree push --prefix=<prefix> <repository> <refspec...>
+git subtree pull --prefix=<prefix> <repository> <ref>
+git subtree push --prefix=<prefix> <repository> <ref>
git subtree split --prefix=<prefix> <commit...>
--
h,help show the help
@@ -489,6 +489,12 @@ ensure_clean()
fi
}
+ensure_valid_ref_format()
+{
+ git check-ref-format "refs/heads/$1" ||
+ die "'$1' does not look like a ref"
+}
+
cmd_add()
{
if [ -e "$dir" ]; then
@@ -508,8 +514,7 @@ cmd_add()
# specified directory. Allowing a refspec might be
# misleading because we won't do anything with any other
# branches fetched via the refspec.
- git rev-parse -q --verify "$2^{commit}" >/dev/null ||
- die "'$2' does not refer to a commit"
+ ensure_valid_ref_format "$2"
"cmd_add_repository" "$@"
else
@@ -699,7 +704,11 @@ cmd_merge()
cmd_pull()
{
+ if [ $# -ne 2 ]; then
+ die "You must provide <repository> <ref>"
+ fi
ensure_clean
+ ensure_valid_ref_format "$2"
git fetch "$@" || exit $?
revs=FETCH_HEAD
set -- $revs
@@ -709,8 +718,9 @@ cmd_pull()
cmd_push()
{
if [ $# -ne 2 ]; then
- die "You must provide <repository> <refspec>"
+ die "You must provide <repository> <ref>"
fi
+ ensure_valid_ref_format "$2"
if [ -e "$dir" ]; then
repository=$1
refspec=$2