#
# Copyright (c) 2005, 2006 Junio C Hamano
-USAGE='[--signoff] [--dotest=<dir>] [--utf8] [--binary] [--3way]
- [--interactive] [--whitespace=<option>] <mbox>...
+USAGE='[--signoff] [--dotest=<dir>] [--utf8 | --no-utf8] [--binary] [--3way]
+ [--interactive] [--whitespace=<option>] [-C<n>] [-p<n>] <mbox>...
or, when resuming [--skip | --resolved]'
. git-sh-setup
+set_reflog_action am
+require_work_tree
git var GIT_COMMITTER_IDENT >/dev/null || exit
stop_here_user_resolve () {
if [ -n "$resolvemsg" ]; then
- echo "$resolvemsg"
+ printf '%s\n' "$resolvemsg"
stop_here $1
fi
cmdline=$(basename $0)
this=$next
}
+cannot_fallback () {
+ echo "$1"
+ echo "Cannot fall back to three-way merge."
+ exit 1
+}
+
fall_back_3way () {
O_OBJECT=`cd "$GIT_OBJECT_DIRECTORY" && pwd`
mkdir "$dotest/patch-merge-tmp-dir"
# First see if the patch records the index info that we can use.
- if git-apply -z --index-info "$dotest/patch" \
- >"$dotest/patch-merge-index-info" 2>/dev/null &&
- GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
- git-update-index -z --index-info <"$dotest/patch-merge-index-info" &&
- GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
- git-write-tree >"$dotest/patch-merge-base+" &&
- # index has the base tree now.
- GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
+ git-apply -z --index-info "$dotest/patch" \
+ >"$dotest/patch-merge-index-info" &&
+ GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
+ git-update-index -z --index-info <"$dotest/patch-merge-index-info" &&
+ GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
+ git-write-tree >"$dotest/patch-merge-base+" ||
+ cannot_fallback "Repository lacks necessary blobs to fall back on 3-way merge."
+
+ echo Using index info to reconstruct a base tree...
+ if GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
git-apply $binary --cached <"$dotest/patch"
then
- echo Using index info to reconstruct a base tree...
mv "$dotest/patch-merge-base+" "$dotest/patch-merge-base"
mv "$dotest/patch-merge-tmp-index" "$dotest/patch-merge-index"
+ else
+ cannot_fallback "Did you hand edit your patch?
+It does not apply to blobs recorded in its index."
fi
test -f "$dotest/patch-merge-index" &&
# This is not so wrong. Depending on which base we picked,
# orig_tree may be wildly different from ours, but his_tree
# has the same set of wildly different changes in parts the
- # patch did not touch, so resolve ends up cancelling them,
+ # patch did not touch, so recursive ends up canceling them,
# saying that we reverted all those changes.
- git-merge-resolve $orig_tree -- HEAD $his_tree || {
+ eval GITHEAD_$his_tree='"$SUBJECT"'
+ export GITHEAD_$his_tree
+ git-merge-recursive $orig_tree -- HEAD $his_tree || {
if test -d "$GIT_DIR/rr-cache"
then
git-rerere
echo Failed to merge in the changes.
exit 1
}
+ unset GITHEAD_$his_tree
}
prec=4
-dotest=.dotest sign= utf8= keep= skip= interactive= resolved= binary= ws= resolvemsg=
+dotest=.dotest sign= utf8=t keep= skip= interactive= resolved= binary= resolvemsg=
+git_apply_opt=
while case "$#" in 0) break;; esac
do
-s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
sign=t; shift ;;
-u|--u|--ut|--utf|--utf8)
- utf8=t; shift ;;
+ utf8=t; shift ;; # this is now default
+ --no-u|--no-ut|--no-utf|--no-utf8)
+ utf8=; shift ;;
-k|--k|--ke|--kee|--keep)
keep=t; shift ;;
--sk|--ski|--skip)
skip=t; shift ;;
- --whitespace=*)
- ws=$1; shift ;;
+ --whitespace=*|-C*|-p*)
+ git_apply_opt="$git_apply_opt $1"; shift ;;
--resolvemsg=*)
- resolvemsg=$(echo "$1" | sed -e "s/^--resolvemsg=//"); shift ;;
+ resolvemsg=${1#--resolvemsg=}; shift ;;
--)
shift; break ;;
if test -d "$dotest"
then
- test ",$#," = ",0," ||
+ case "$#,$skip$resolved" in
+ 0,*t*)
+ # Explicit resume command and we do not have file, so
+ # we are happy.
+ : ;;
+ 0,)
+ # No file input but without resume parameters; catch
+ # user error to feed us a patch from standard input
+ # when there is already .dotest. This is somewhat
+ # unreliable -- stdin could be /dev/null for example
+ # and the caller did not intend to feed us a patch but
+ # wanted to continue unattended.
+ tty -s
+ ;;
+ *)
+ false
+ ;;
+ esac ||
die "previous dotest directory $dotest still exists but mbox given."
resume=yes
else
if test "$(cat "$dotest/utf8")" = t
then
utf8=-u
+else
+ utf8=-n
fi
if test "$(cat "$dotest/keep")" = t
then
this=`cat "$dotest/next"`
if test "$skip" = t
then
+ if test -d "$GIT_DIR/rr-cache"
+ then
+ git-rerere clear
+ fi
this=`expr "$this" + 1`
resume=
fi
git-mailinfo $keep $utf8 "$dotest/msg" "$dotest/patch" \
<"$dotest/$msgnum" >"$dotest/info" ||
stop_here $this
+ test -s $dotest/patch || {
+ echo "Patch is empty. Was it split wrong?"
+ stop_here $this
+ }
git-stripspace < "$dotest/msg" > "$dotest/msg-clean"
;;
esac
ADD_SIGNOFF=
fi
{
- echo "$SUBJECT"
+ printf '%s\n' "$SUBJECT"
if test -s "$dotest/msg-clean"
then
echo
fi
echo
- echo "Applying '$SUBJECT'"
+ printf 'Applying %s\n' "$SUBJECT"
echo
case "$resolved" in
'')
- git-apply $binary --index $ws "$dotest/patch"
+ git-apply $git_apply_opt $binary --index "$dotest/patch"
apply_status=$?
;;
t)
# trust what the user has in the index file and the
# working tree.
resolved=
- changed="$(git-diff-index --cached --name-only HEAD)"
- if test '' = "$changed"
- then
- echo "No changes - did you forget update-index?"
+ git-diff-index --quiet --cached HEAD && {
+ echo "No changes - did you forget to use 'git add'?"
stop_here_user_resolve $this
- fi
+ }
unmerged=$(git-ls-files -u)
if test -n "$unmerged"
then
echo "You still have unmerged paths in your index"
- echo "did you forget update-index?"
+ echo "did you forget to use 'git add'?"
stop_here_user_resolve $this
fi
apply_status=0
+ if test -d "$GIT_DIR/rr-cache"
+ then
+ git rerere
+ fi
;;
esac
then
# Applying the patch to an earlier tree and merging the
# result may have produced the same tree as ours.
- changed="$(git-diff-index --cached --name-only HEAD)"
- if test '' = "$changed"
- then
- echo No changes -- Patch already applied.
- go_next
- continue
- fi
+ git-diff-index --quiet --cached HEAD && {
+ echo No changes -- Patch already applied.
+ go_next
+ continue
+ }
# clear apply_status -- we have successfully merged.
apply_status=0
fi
parent=$(git-rev-parse --verify HEAD) &&
commit=$(git-commit-tree $tree -p $parent <"$dotest/final-commit") &&
echo Committed: $commit &&
- git-update-ref -m "am: $SUBJECT" HEAD $commit $parent ||
+ git-update-ref -m "$GIT_REFLOG_ACTION: $SUBJECT" HEAD $commit $parent ||
stop_here $this
if test -x "$GIT_DIR"/hooks/post-applypatch