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-rwxr-xr-xcontrib/subtree/git-subtree.sh35
1 files changed, 25 insertions, 10 deletions
diff --git a/contrib/subtree/git-subtree.sh b/contrib/subtree/git-subtree.sh
index fa1a5839af..5c8372709b 100755
--- a/contrib/subtree/git-subtree.sh
+++ b/contrib/subtree/git-subtree.sh
@@ -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 $?)"
@@ -51,14 +51,21 @@ prefix=
debug()
{
if [ -n "$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
}
@@ -83,7 +90,7 @@ while [ $# -gt 0 ]; do
--annotate) annotate="$1"; shift ;;
--no-annotate) annotate= ;;
-b) branch="$1"; shift ;;
- -P) prefix="$1"; shift ;;
+ -P) prefix="${1%/}"; shift ;;
-m) message="$1"; shift ;;
--no-prefix) prefix= ;;
--onto) onto="$1"; shift ;;
@@ -298,7 +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' "$1" |
(
read GIT_AUTHOR_NAME
read GIT_AUTHOR_EMAIL
@@ -472,8 +479,16 @@ copy_or_skip()
p="$p -p $parent"
fi
done
-
- if [ -n "$identical" ]; then
+
+ copycommit=
+ if [ -n "$identical" ] && [ -n "$nonidentical" ]; then
+ extras=$(git rev-list --count $identical..$nonidentical)
+ if [ "$extras" -ne 0 ]; then
+ # we need to preserve history along the other branch
+ copycommit=1
+ fi
+ fi
+ if [ -n "$identical" ] && [ -z "$copycommit" ]; then
echo $identical
else
copy_commit $rev $tree "$p" || exit $?
@@ -599,7 +614,7 @@ cmd_split()
eval "$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
@@ -641,7 +656,7 @@ cmd_split()
debug "Merging split branch into HEAD..."
latest_old=$(cache_get latest_old)
git merge -s ours \
- -m "$(rejoin_msg $dir $latest_old $latest_new)" \
+ -m "$(rejoin_msg "$dir" $latest_old $latest_new)" \
$latest_new >&2 || exit $?
fi
if [ -n "$branch" ]; then
@@ -728,7 +743,7 @@ cmd_push()
refspec=$2
echo "git push using: " $repository $refspec
localrev=$(git subtree split --prefix="$prefix") || die
- git push $repository $localrev:refs/heads/$refspec
+ git push "$repository" $localrev:refs/heads/$refspec
else
die "'$dir' must already exist. Try 'git subtree add'."
fi