'
usage () {
- die "git-merge [-n] [-s <strategy>]... <merge-message> <head> <remote>+"
+ die "git-merge [-n] [--no-commit] [-s <strategy>]... <merge-message> <head> <remote>+"
}
# all_strategies='resolve recursive stupid octopus'
-all_strategies='recursive octopus resolve stupid'
+all_strategies='recursive octopus resolve stupid ours'
default_strategies='resolve octopus'
use_strategies=
savestate() {
# Stash away any local modifications.
- git-diff-index -r -z --name-only $head |
- cpio -0 -o >"$GIR_DIR/MERGE_SAVE"
+ git-diff-index -z --name-only $head |
+ cpio -0 -o >"$GIT_DIR/MERGE_SAVE"
}
restorestate() {
fi
}
-summary() {
+finish () {
+ test '' = "$2" || echo "$2"
+ case "$merge_msg" in
+ '')
+ echo "No merge message -- not updating HEAD"
+ ;;
+ *)
+ git-update-ref HEAD "$1" "$head" || exit 1
+ ;;
+ esac
+
case "$no_summary" in
'')
- git-diff-tree -p -M $head "$1" |
+ git-diff-tree -p -M "$head" "$1" |
git-apply --stat --summary
;;
esac
-n|--n|--no|--no-|--no-s|--no-su|--no-sum|--no-summ|\
--no-summa|--no-summar|--no-summary)
no_summary=t ;;
+ --no-c|--no-co|--no-com|--no-comm|--no-commi|--no-commit)
+ no_commit=t ;;
-s=*|--s=*|--st=*|--str=*|--stra=*|--strat=*|--strate=*|\
--strateg=*|--strategy=*|\
-s|--s|--st|--str|--stra|--strat|--strate|--strateg|--strategy)
die "$remote - not something we can merge"
done
-common=$(git-show-branch --merge-base $head "$@")
+case "$#" in
+1)
+ common=$(git-merge-base --all $head "$@")
+ ;;
+*)
+ common=$(git-show-branch --merge-base $head "$@")
+ ;;
+esac
echo "$head" >"$GIT_DIR/ORIG_HEAD"
-case "$#,$common" in
-*,'')
- die "Unable to find common commit between $head_arg and $*"
+case "$#,$common,$no_commit" in
+*,'',*)
+ # No common ancestors found. We need a real merge.
;;
-1,"$1")
+1,"$1",*)
# If head can reach all the merge then we are up to date.
# but first the most common case of merging one remote
- echo "Already up-to-date. Yeeah!"
+ echo "Already up-to-date."
dropsave
exit 0
;;
-1,"$head")
+1,"$head",*)
# Again the most common case of merging one remote.
echo "Updating from $head to $1."
git-update-index --refresh 2>/dev/null
- git-read-tree -u -m $head "$1" &&
new_head=$(git-rev-parse --verify "$1^0") &&
- git-update-ref HEAD "$new_head" "$head" || exit 1
- summary "$1"
+ git-read-tree -u -m $head "$new_head" &&
+ finish "$new_head" "Fast forward"
dropsave
exit 0
;;
-1,?*"$LF"?*)
+1,?*"$LF"?*,*)
# We are not doing octopus and not fast forward. Need a
# real merge.
;;
-1,*)
+1,*,)
# We are not doing octopus, not fast forward, and have only
# one common. See if it is really trivial.
echo "Trying really trivial in-index merge..."
echo "$merge_msg" |
git-commit-tree $result_tree -p HEAD -p "$1"
) || exit
- git-update-ref HEAD $result_commit $head
- summary $result_commit
+ finish "$result_commit" "In-index merge"
dropsave
exit 0
fi
up_to_date=t
for remote
do
- common_one=$(git-merge-base $head $remote)
+ common_one=$(git-merge-base --all $head $remote)
if test "$common_one" != "$remote"
then
up_to_date=f
# Remember which strategy left the state in the working tree
wt_strategy=$strategy
- git-merge-$strategy $common -- "$head_arg" "$@" || {
+ git-merge-$strategy $common -- "$head_arg" "$@"
+ exit=$?
+ if test "$no_commit" = t && test "$exit" = 0
+ then
+ exit=1 ;# pretend it left conflicts.
+ fi
+
+ test "$exit" = 0 || {
# The backend exits with 1 when conflicts are left to be resolved,
# with 2 when it does not handle the given merge at all.
- exit=$?
if test "$exit" -eq 1
then
cnt=`{
parents="$parents -p $remote"
done
result_commit=$(echo "$merge_msg" | git-commit-tree $result_tree $parents) || exit
- echo "Committed merge $result_commit, made by $wt_strategy."
- git-update-ref HEAD $result_commit $head
- summary $result_commit
+ finish "$result_commit" "Merge $result_commit, made by $wt_strategy."
dropsave
exit 0
fi
done >"$GIT_DIR/MERGE_HEAD"
echo $merge_msg >"$GIT_DIR/MERGE_MSG"
-die "Automatic merge failed; fix up by hand"
+die "Automatic merge failed/prevented; fix up by hand"