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-rwxr-xr-xcontrib/subtree/git-subtree.sh27
1 files changed, 20 insertions, 7 deletions
diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh
index 920c664bb7..7d7af03274 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
#
@@ -9,6 +9,7 @@ if [ $# -eq 0 ]; then
fi
OPTS_SPEC="\
git subtree add --prefix=<prefix> <commit>
+git subtree add --prefix=<prefix> <repository> <commit>
git subtree merge --prefix=<prefix> <commit>
git subtree pull --prefix=<prefix> <repository> <refspec...>
git subtree push --prefix=<prefix> <repository> <refspec...>
@@ -296,7 +297,7 @@ copy_commit()
# We're going to set some environment vars here, so
# do it in a subshell to get rid of them safely later
debug copy_commit "{$1}" "{$2}" "{$3}"
- git log -1 --pretty=format:'%an%n%ae%n%ad%n%cn%n%ce%n%cd%n%s%n%n%b' "$1" |
+ git log -1 --pretty=format:'%an%n%ae%n%ad%n%cn%n%ce%n%cd%n%B' "$1" |
(
read GIT_AUTHOR_NAME
read GIT_AUTHOR_EMAIL
@@ -310,7 +311,7 @@ copy_commit()
GIT_COMMITTER_NAME \
GIT_COMMITTER_EMAIL \
GIT_COMMITTER_DATE
- (echo -n "$annotate"; cat ) |
+ (printf "%s" "$annotate"; cat ) |
git commit-tree "$2" $3 # reads the rest of stdin
) || die "Can't copy commit $1"
}
@@ -497,12 +498,23 @@ cmd_add()
ensure_clean
if [ $# -eq 1 ]; then
- "cmd_add_commit" "$@"
+ git rev-parse -q --verify "$1^{commit}" >/dev/null ||
+ die "'$1' does not refer to a commit"
+
+ "cmd_add_commit" "$@"
elif [ $# -eq 2 ]; then
- "cmd_add_repository" "$@"
+ # Technically we could accept a refspec here but we're
+ # just going to turn around and add FETCH_HEAD under the
+ # 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 "'$2' does not refer to a commit"
+
+ "cmd_add_repository" "$@"
else
say "error: parameters were '$@'"
- die "Provide either a refspec or a repository and refspec."
+ die "Provide either a commit or a repository and commit."
fi
}
@@ -703,7 +715,8 @@ cmd_push()
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