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-rwxr-xr-xcontrib/subtree/git-subtree.sh29
1 files changed, 20 insertions, 9 deletions
diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh
index 8a23f58ba0..dc59a91031 100755
--- a/contrib/subtree/git-subtree.sh
+++ b/contrib/subtree/git-subtree.sh
@@ -1,4 +1,4 @@
-#!/bin/bash
+#!/bin/sh
#
# git-subtree.sh: split/join git repositories in subdirectories of this one
#
@@ -9,10 +9,10 @@ if [ $# -eq 0 ]; then
fi
OPTS_SPEC="\
git subtree add --prefix=<prefix> <commit>
-git subtree add --prefix=<prefix> <repository> <commit>
+git subtree add --prefix=<prefix> <repository> <ref>
git subtree merge --prefix=<prefix> <commit>
-git subtree pull --prefix=<prefix> <repository> <refspec...>
-git subtree push --prefix=<prefix> <repository> <refspec...>
+git subtree pull --prefix=<prefix> <repository> <ref>
+git subtree push --prefix=<prefix> <repository> <ref>
git subtree split --prefix=<prefix> <commit...>
--
h,help show the help
@@ -311,7 +311,7 @@ copy_commit()
GIT_COMMITTER_NAME \
GIT_COMMITTER_EMAIL \
GIT_COMMITTER_DATE
- (echo -n "$annotate"; cat ) |
+ (printf "%s" "$annotate"; cat ) |
git commit-tree "$2" $3 # reads the rest of stdin
) || die "Can't copy commit $1"
}
@@ -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
@@ -709,13 +718,15 @@ 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
echo "git push using: " $repository $refspec
- git push $repository $(git subtree split --prefix=$prefix):refs/heads/$refspec
+ localrev=$(git subtree split --prefix="$prefix") || die
+ git push $repository $localrev:refs/heads/$refspec
else
die "'$dir' must already exist. Try 'git subtree add'."
fi