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-rwxr-xr-xcontrib/subtree/git-subtree.sh43
1 files changed, 31 insertions, 12 deletions
diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh
index 7d7af03274..9f06571851 100755
--- a/contrib/subtree/git-subtree.sh
+++ b/contrib/subtree/git-subtree.sh
@@ -9,10 +9,10 @@ if [ $# -eq 0 ]; then
fi
OPTS_SPEC="\
git subtree add --prefix=<prefix> <commit>
-git subtree add --prefix=<prefix> <repository> <commit>
+git subtree add --prefix=<prefix> <repository> <ref>
git subtree merge --prefix=<prefix> <commit>
-git subtree pull --prefix=<prefix> <repository> <refspec...>
-git subtree push --prefix=<prefix> <repository> <refspec...>
+git subtree pull --prefix=<prefix> <repository> <ref>
+git subtree push --prefix=<prefix> <repository> <ref>
git subtree split --prefix=<prefix> <commit...>
--
h,help show the help
@@ -26,7 +26,7 @@ b,branch= create a new branch from the split subtree
ignore-joins ignore prior --rejoin commits
onto= try connecting new tree to an existing one
rejoin merge the new branch back into HEAD
- options for 'add', 'merge', 'pull' and 'push'
+ options for 'add', 'merge', and 'pull'
squash merge subtree changes as a single commit
"
eval "$(echo "$OPTS_SPEC" | git rev-parse --parseopt -- "$@" || echo exit $?)"
@@ -46,18 +46,26 @@ ignore_joins=
annotate=
squash=
message=
+prefix=
debug()
{
if [ -n "$debug" ]; then
- echo "$@" >&2
+ printf "%s\n" "$*" >&2
fi
}
say()
{
if [ -z "$quiet" ]; then
- echo "$@" >&2
+ printf "%s\n" "$*" >&2
+ fi
+}
+
+progress()
+{
+ if [ -z "$quiet" ]; then
+ printf "%s\r" "$*" >&2
fi
}
@@ -297,7 +305,7 @@ 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%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
@@ -489,6 +497,12 @@ 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 +522,7 @@ 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
@@ -552,8 +565,9 @@ cmd_add_commit()
commit=$(add_squashed_msg "$rev" "$dir" |
git commit-tree $tree $headp -p "$rev") || exit $?
else
+ revp=$(peel_committish "$rev") &&
commit=$(add_msg "$dir" "$headrev" "$rev" |
- git commit-tree $tree $headp -p "$rev") || exit $?
+ git commit-tree $tree $headp -p "$revp") || exit $?
fi
git reset "$commit" || exit $?
@@ -592,7 +606,7 @@ cmd_split()
eval "$grl" |
while read rev parents; do
revcount=$(($revcount + 1))
- say -n "$revcount/$revmax ($createcount) "
+ progress "$revcount/$revmax ($createcount)"
debug "Processing commit: $rev"
exists=$(cache_get $rev)
if [ -n "$exists" ]; then
@@ -699,7 +713,11 @@ 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 +727,9 @@ 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