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diff --git a/git-merge.sh b/git-merge.sh
index 49185eb5d2199a39d3f7a02ef1c1cc054634cf94..1c123a37e6941b6727c6101bb29cbc485a380c20 100755 (executable)
--- a/git-merge.sh
+++ b/git-merge.sh
# Copyright (c) 2005 Junio C Hamano
#
-USAGE='[-n] [--summary] [--no-commit] [--squash] [-s <strategy>] [-m=<merge-message>] <commit>+'
+OPTIONS_KEEPDASHDASH=
+OPTIONS_SPEC="\
+git-merge [options] <remote>...
+git-merge [options] <msg> HEAD <remote>
+--
+summary show a diffstat at the end of the merge
+n,no-summary don't show a diffstat at the end of the merge
+squash create a single commit instead of doing a merge
+commit perform a commit if the merge sucesses (default)
+ff allow fast forward (default)
+s,strategy= merge strategy to use
+m,message= message to be used for the merge commit (if any)
+"
SUBDIRECTORY_OK=Yes
. git-sh-setup
dropsave() {
rm -f -- "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/MERGE_MSG" \
- "$GIT_DIR/MERGE_SAVE" || exit 1
+ "$GIT_DIR/MERGE_STASH" || exit 1
}
savestate() {
# Stash away any local modifications.
- git diff-index -z --name-only $head |
- cpio -0 -o >"$GIT_DIR/MERGE_SAVE"
+ git stash create >"$GIT_DIR/MERGE_STASH"
}
restorestate() {
- if test -f "$GIT_DIR/MERGE_SAVE"
+ if test -f "$GIT_DIR/MERGE_STASH"
then
git reset --hard $head >/dev/null
- cpio -iuv <"$GIT_DIR/MERGE_SAVE"
+ git stash apply $(cat "$GIT_DIR/MERGE_STASH")
git update-index --refresh >/dev/null
fi
}
;;
*)
git update-ref -m "$rlogm" HEAD "$1" "$head" || exit 1
+ git gc --auto
;;
esac
;;
fi
;;
esac
+
+ # Run a post-merge hook
+ if test -x "$GIT_DIR"/hooks/post-merge
+ then
+ case "$squash" in
+ t)
+ "$GIT_DIR"/hooks/post-merge 1
+ ;;
+ '')
+ "$GIT_DIR"/hooks/post-merge 0
+ ;;
+ esac
+ fi
}
merge_name () {
fi
}
-parse_option () {
- case "$1" in
- -n|--n|--no|--no-|--no-s|--no-su|--no-sum|--no-summ|\
- --no-summa|--no-summar|--no-summary)
- show_diffstat=false ;;
- --summary)
- show_diffstat=t ;;
- --sq|--squ|--squa|--squas|--squash)
- squash=t no_commit=t ;;
- --no-c|--no-co|--no-com|--no-comm|--no-commi|--no-commit)
- no_commit=t ;;
- -s=*|--s=*|--st=*|--str=*|--stra=*|--strat=*|--strate=*|\
- --strateg=*|--strategy=*|\
- -s|--s|--st|--str|--stra|--strat|--strate|--strateg|--strategy)
- case "$#,$1" in
- *,*=*)
- strategy=`expr "z$1" : 'z-[^=]*=\(.*\)'` ;;
- 1,*)
- usage ;;
- *)
- strategy="$2"
- shift ;;
- esac
- case " $all_strategies " in
- *" $strategy "*)
- use_strategies="$use_strategies$strategy " ;;
- *)
- die "available strategies are: $all_strategies" ;;
+parse_config () {
+ while test $# != 0; do
+ case "$1" in
+ -n|--no-summary)
+ show_diffstat=false ;;
+ --summary)
+ show_diffstat=t ;;
+ --squash)
+ allow_fast_forward=t squash=t no_commit=t ;;
+ --no-squash)
+ allow_fast_forward=t squash= no_commit= ;;
+ --commit)
+ allow_fast_forward=t squash= no_commit= ;;
+ --no-commit)
+ allow_fast_forward=t squash= no_commit=t ;;
+ --ff)
+ allow_fast_forward=t squash= no_commit= ;;
+ --no-ff)
+ allow_fast_forward=false squash= no_commit= ;;
+ -s|--strategy)
+ shift
+ case " $all_strategies " in
+ *" $1 "*)
+ use_strategies="$use_strategies$1 " ;;
+ *)
+ die "available strategies are: $all_strategies" ;;
+ esac
+ ;;
+ -m|--message)
+ shift
+ merge_msg="$1"
+ have_message=t
+ ;;
+ --)
+ shift
+ break ;;
+ *) usage ;;
esac
- ;;
- -m=*|--m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*)
- merge_msg=`expr "z$1" : 'z-[^=]*=\(.*\)'`
- have_message=t
- ;;
- -m|--m|--me|--mes|--mess|--messa|--messag|--message)
shift
- case "$#" in
- 1) usage ;;
- esac
- merge_msg="$1"
- have_message=t
- ;;
- -*) usage ;;
- *) return 1 ;;
- esac
- shift
+ done
args_left=$#
}
test $# != 0 || usage
have_message=
-while parse_option "$@"
-do
- while test $args_left -lt $#
- do
- shift
- done
-done
+
+if branch=$(git-symbolic-ref -q HEAD)
+then
+ mergeopts=$(git config "branch.${branch#refs/heads/}.mergeoptions")
+ if test -n "$mergeopts"
+ then
+ parse_config $mergeopts --
+ fi
+fi
+
+parse_config "$@"
+while test $args_left -lt $#; do shift; done
if test -z "$show_diffstat"; then
test "$(git config --bool merge.diffstat)" = false && show_diffstat=false
single_strategy=no
;;
*)
- rm -f "$GIT_DIR/MERGE_SAVE"
+ rm -f "$GIT_DIR/MERGE_STASH"
single_strategy=yes
;;
esac
# auto resolved the merge cleanly.
if test '' != "$result_tree"
then
- parents=$(git show-branch --independent "$head" "$@" | sed -e 's/^/-p /')
+ if test "$allow_fast_forward" = "t"
+ then
+ parents=$(git show-branch --independent "$head" "$@")
+ else
+ parents=$(git rev-parse "$head" "$@")
+ fi
+ parents=$(echo "$parents" | sed -e 's/^/-p /')
result_commit=$(printf '%s\n' "$merge_msg" | git commit-tree $result_tree $parents) || exit
finish "$result_commit" "Merge made by $wt_strategy."
dropsave