aboutsummaryrefslogtreecommitdiff
path: root/git-am.sh
blob: 512891d217fc34ed5ff9992ed0b3dc7ff23f0bb0 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
#!/bin/sh
#
# Copyright (c) 2005, 2006 Junio C Hamano

SUBDIRECTORY_OK=Yes
OPTIONS_KEEPDASHDASH=
OPTIONS_SPEC="\
git am [options] [<mbox>|<Maildir>...]
git am [options] (--resolved | --skip | --abort)
--
i,interactive   run interactively
b,binary*       (historical option -- no-op)
3,3way          allow fall back on 3way merging if needed
q,quiet         be quiet
s,signoff       add a Signed-off-by line to the commit message
u,utf8          recode into utf8 (default)
k,keep          pass -k flag to git-mailinfo
c,scissors      strip everything before a scissors line
whitespace=     pass it through git-apply
ignore-space-change pass it through git-apply
ignore-whitespace pass it through git-apply
directory=      pass it through git-apply
C=              pass it through git-apply
p=              pass it through git-apply
patch-format=   format the patch(es) are in
reject          pass it through git-apply
resolvemsg=     override error message when patch failure occurs
r,resolved      to be used after a patch failure
skip            skip the current patch
abort           restore the original branch and abort the patching operation.
committer-date-is-author-date    lie about committer date
ignore-date     use current timestamp for author date
rebasing*       (internal use for git-rebase)"

. git-sh-setup
prefix=$(git rev-parse --show-prefix)
set_reflog_action am
require_work_tree
cd_to_toplevel

git var GIT_COMMITTER_IDENT >/dev/null ||
	die "You need to set your committer info first"

if git rev-parse --verify -q HEAD >/dev/null
then
	HAS_HEAD=yes
else
	HAS_HEAD=
fi

sq () {
	git rev-parse --sq-quote "$@"
}

stop_here () {
    echo "$1" >"$dotest/next"
    exit 1
}

stop_here_user_resolve () {
    if [ -n "$resolvemsg" ]; then
	    printf '%s\n' "$resolvemsg"
	    stop_here $1
    fi
    cmdline="git am"
    if test '' != "$interactive"
    then
        cmdline="$cmdline -i"
    fi
    if test '' != "$threeway"
    then
        cmdline="$cmdline -3"
    fi
    echo "When you have resolved this problem run \"$cmdline --resolved\"."
    echo "If you would prefer to skip this patch, instead run \"$cmdline --skip\"."
    echo "To restore the original branch and stop patching run \"$cmdline --abort\"."

    stop_here $1
}

go_next () {
	rm -f "$dotest/$msgnum" "$dotest/msg" "$dotest/msg-clean" \
		"$dotest/patch" "$dotest/info"
	echo "$next" >"$dotest/next"
	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`

    rm -fr "$dotest"/patch-merge-*
    mkdir "$dotest/patch-merge-tmp-dir"

    # First see if the patch records the index info that we can use.
    git apply --build-fake-ancestor "$dotest/patch-merge-tmp-index" \
	"$dotest/patch" &&
    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."

    say Using index info to reconstruct a base tree...
    if GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
	git apply --cached <"$dotest/patch"
    then
	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 "$dotest/patch-merge-index" &&
    his_tree=$(GIT_INDEX_FILE="$dotest/patch-merge-index" git write-tree) &&
    orig_tree=$(cat "$dotest/patch-merge-base") &&
    rm -fr "$dotest"/patch-merge-* || exit 1

    say Falling back to patching base and 3-way merge...

    # 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 recursive ends up canceling them,
    # saying that we reverted all those changes.

    eval GITHEAD_$his_tree='"$FIRSTLINE"'
    export GITHEAD_$his_tree
    if test -n "$GIT_QUIET"
    then
	    export GIT_MERGE_VERBOSITY=0
    fi
    git-merge-recursive $orig_tree -- HEAD $his_tree || {
	    git rerere
	    echo Failed to merge in the changes.
	    exit 1
    }
    unset GITHEAD_$his_tree
}

clean_abort () {
	test $# = 0 || echo >&2 "$@"
	rm -fr "$dotest"
	exit 1
}

patch_format=

check_patch_format () {
	# early return if patch_format was set from the command line
	if test -n "$patch_format"
	then
		return 0
	fi

	# we default to mbox format if input is from stdin and for
	# directories
	if test $# = 0 || test "x$1" = "x-" || test -d "$1"
	then
		patch_format=mbox
		return 0
	fi

	# otherwise, check the first few lines of the first patch to try
	# to detect its format
	{
		read l1
		read l2
		read l3
		case "$l1" in
		"From "* | "From: "*)
			patch_format=mbox
			;;
		'# This series applies on GIT commit'*)
			patch_format=stgit-series
			;;
		"# HG changeset patch")
			patch_format=hg
			;;
		*)
			# if the second line is empty and the third is
			# a From, Author or Date entry, this is very
			# likely an StGIT patch
			case "$l2,$l3" in
			,"From: "* | ,"Author: "* | ,"Date: "*)
				patch_format=stgit
				;;
			*)
				;;
			esac
			;;
		esac
		if test -z "$patch_format" &&
			test -n "$l1" &&
			test -n "$l2" &&
			test -n "$l3"
		then
			# This begins with three non-empty lines.  Is this a
			# piece of e-mail a-la RFC2822?  Grab all the headers,
			# discarding the indented remainder of folded lines,
			# and see if it looks like that they all begin with the
			# header field names...
			sed -n -e '/^$/q' -e '/^[ 	]/d' -e p "$1" |
			sane_egrep -v '^[!-9;-~]+:' >/dev/null ||
			patch_format=mbox
		fi
	} < "$1" || clean_abort
}

split_patches () {
	case "$patch_format" in
	mbox)
		case "$rebasing" in
		'')
			keep_cr= ;;
		?*)
			keep_cr=--keep-cr ;;
		esac
		git mailsplit -d"$prec" -o"$dotest" -b $keep_cr -- "$@" > "$dotest/last" ||
		clean_abort
		;;
	stgit-series)
		if test $# -ne 1
		then
			clean_abort "Only one StGIT patch series can be applied at once"
		fi
		series_dir=`dirname "$1"`
		series_file="$1"
		shift
		{
			set x
			while read filename
			do
				set "$@" "$series_dir/$filename"
			done
			# remove the safety x
			shift
			# remove the arg coming from the first-line comment
			shift
		} < "$series_file" || clean_abort
		# set the patch format appropriately
		patch_format=stgit
		# now handle the actual StGIT patches
		split_patches "$@"
		;;
	stgit)
		this=0
		for stgit in "$@"
		do
			this=`expr "$this" + 1`
			msgnum=`printf "%0${prec}d" $this`
			# Perl version of StGIT parse_patch. The first nonemptyline
			# not starting with Author, From or Date is the
			# subject, and the body starts with the next nonempty
			# line not starting with Author, From or Date
			perl -ne 'BEGIN { $subject = 0 }
				if ($subject > 1) { print ; }
				elsif (/^\s+$/) { next ; }
				elsif (/^Author:/) { print s/Author/From/ ; }
				elsif (/^(From|Date)/) { print ; }
				elsif ($subject) {
					$subject = 2 ;
					print "\n" ;
					print ;
				} else {
					print "Subject: ", $_ ;
					$subject = 1;
				}
			' < "$stgit" > "$dotest/$msgnum" || clean_abort
		done
		echo "$this" > "$dotest/last"
		this=
		msgnum=
		;;
	*)
		if test -n "$parse_patch" ; then
			clean_abort "Patch format $patch_format is not supported."
		else
			clean_abort "Patch format detection failed."
		fi
		;;
	esac
}

prec=4
dotest="$GIT_DIR/rebase-apply"
sign= utf8=t keep= skip= interactive= resolved= rebasing= abort=
resolvemsg= resume= scissors= no_inbody_headers=
git_apply_opt=
committer_date_is_author_date=
ignore_date=

while test $# != 0
do
	case "$1" in
	-i|--interactive)
		interactive=t ;;
	-b|--binary)
		: ;;
	-3|--3way)
		threeway=t ;;
	-s|--signoff)
		sign=t ;;
	-u|--utf8)
		utf8=t ;; # this is now default
	--no-utf8)
		utf8= ;;
	-k|--keep)
		keep=t ;;
	-c|--scissors)
		scissors=t ;;
	--no-scissors)
		scissors=f ;;
	-r|--resolved)
		resolved=t ;;
	--skip)
		skip=t ;;
	--abort)
		abort=t ;;
	--rebasing)
		rebasing=t threeway=t keep=t scissors=f no_inbody_headers=t ;;
	-d|--dotest)
		die "-d option is no longer supported.  Do not use."
		;;
	--resolvemsg)
		shift; resolvemsg=$1 ;;
	--whitespace|--directory)
		git_apply_opt="$git_apply_opt $(sq "$1=$2")"; shift ;;
	-C|-p)
		git_apply_opt="$git_apply_opt $(sq "$1$2")"; shift ;;
	--patch-format)
		shift ; patch_format="$1" ;;
	--reject|--ignore-whitespace|--ignore-space-change)
		git_apply_opt="$git_apply_opt $1" ;;
	--committer-date-is-author-date)
		committer_date_is_author_date=t ;;
	--ignore-date)
		ignore_date=t ;;
	-q|--quiet)
		GIT_QUIET=t ;;
	--)
		shift; break ;;
	*)
		usage ;;
	esac
	shift
done

# If the dotest directory exists, but we have finished applying all the
# patches in them, clear it out.
if test -d "$dotest" &&
   last=$(cat "$dotest/last") &&
   next=$(cat "$dotest/next") &&
   test $# != 0 &&
   test "$next" -gt "$last"
then
   rm -fr "$dotest"
fi

if test -d "$dotest"
then
	case "$#,$skip$resolved$abort" 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.
		test -t 0
		;;
	*)
		false
		;;
	esac ||
	die "previous rebase directory $dotest still exists but mbox given."
	resume=yes

	case "$skip,$abort" in
	t,t)
		die "Please make up your mind. --skip or --abort?"
		;;
	t,)
		git rerere clear
		git read-tree --reset -u HEAD HEAD
		orig_head=$(cat "$GIT_DIR/ORIG_HEAD")
		git reset HEAD
		git update-ref ORIG_HEAD $orig_head
		;;
	,t)
		if test -f "$dotest/rebasing"
		then
			exec git rebase --abort
		fi
		git rerere clear
		test -f "$dotest/dirtyindex" || {
			git read-tree --reset -u HEAD ORIG_HEAD
			git reset ORIG_HEAD
		}
		rm -fr "$dotest"
		exit ;;
	esac
	rm -f "$dotest/dirtyindex"
else
	# Make sure we are not given --skip, --resolved, nor --abort
	test "$skip$resolved$abort" = "" ||
		die "Resolve operation not in progress, we are not resuming."

	# Start afresh.
	mkdir -p "$dotest" || exit

	if test -n "$prefix" && test $# != 0
	then
		first=t
		for arg
		do
			test -n "$first" && {
				set x
				first=
			}
			case "$arg" in
			/*)
				set "$@" "$arg" ;;
			*)
				set "$@" "$prefix$arg" ;;
			esac
		done
		shift
	fi

	check_patch_format "$@"

	split_patches "$@"

	# -i can and must be given when resuming; everything
	# else is kept
	echo " $git_apply_opt" >"$dotest/apply-opt"
	echo "$threeway" >"$dotest/threeway"
	echo "$sign" >"$dotest/sign"
	echo "$utf8" >"$dotest/utf8"
	echo "$keep" >"$dotest/keep"
	echo "$scissors" >"$dotest/scissors"
	echo "$no_inbody_headers" >"$dotest/no_inbody_headers"
	echo "$GIT_QUIET" >"$dotest/quiet"
	echo 1 >"$dotest/next"
	if test -n "$rebasing"
	then
		: >"$dotest/rebasing"
	else
		: >"$dotest/applying"
		if test -n "$HAS_HEAD"
		then
			git update-ref ORIG_HEAD HEAD
		else
			git update-ref -d ORIG_HEAD >/dev/null 2>&1
		fi
	fi
fi

case "$resolved" in
'')
	case "$HAS_HEAD" in
	'')
		files=$(git ls-files) ;;
	?*)
		files=$(git diff-index --cached --name-only HEAD --) ;;
	esac || exit
	if test "$files"
	then
		test -n "$HAS_HEAD" && : >"$dotest/dirtyindex"
		die "Dirty index: cannot apply patches (dirty: $files)"
	fi
esac

if test "$(cat "$dotest/utf8")" = t
then
	utf8=-u
else
	utf8=-n
fi
if test "$(cat "$dotest/keep")" = t
then
	keep=-k
fi
case "$(cat "$dotest/scissors")" in
t)
	scissors=--scissors ;;
f)
	scissors=--no-scissors ;;
esac
if test "$(cat "$dotest/no_inbody_headers")" = t
then
	no_inbody_headers=--no-inbody-headers
else
	no_inbody_headers=
fi
if test "$(cat "$dotest/quiet")" = t
then
	GIT_QUIET=t
fi
if test "$(cat "$dotest/threeway")" = t
then
	threeway=t
fi
git_apply_opt=$(cat "$dotest/apply-opt")
if test "$(cat "$dotest/sign")" = t
then
	SIGNOFF=`git var GIT_COMMITTER_IDENT | sed -e '
			s/>.*/>/
			s/^/Signed-off-by: /'
		`
else
	SIGNOFF=
fi

last=`cat "$dotest/last"`
this=`cat "$dotest/next"`
if test "$skip" = t
then
	this=`expr "$this" + 1`
	resume=
fi

if test "$this" -gt "$last"
then
	say Nothing to do.
	rm -fr "$dotest"
	exit
fi

while test "$this" -le "$last"
do
	msgnum=`printf "%0${prec}d" $this`
	next=`expr "$this" + 1`
	test -f "$dotest/$msgnum" || {
		resume=
		go_next
		continue
	}

	# If we are not resuming, parse and extract the patch information
	# into separate files:
	#  - info records the authorship and title
	#  - msg is the rest of commit log message
	#  - patch is the patch body.
	#
	# When we are resuming, these files are either already prepared
	# by the user, or the user can tell us to do so by --resolved flag.
	case "$resume" in
	'')
		git mailinfo $keep $no_inbody_headers $scissors $utf8 "$dotest/msg" "$dotest/patch" \
			<"$dotest/$msgnum" >"$dotest/info" ||
			stop_here $this

		# skip pine's internal folder data
		sane_grep '^Author: Mail System Internal Data$' \
			<"$dotest"/info >/dev/null &&
			go_next && continue

		test -s "$dotest/patch" || {
			echo "Patch is empty.  Was it split wrong?"
			stop_here $this
		}
		if test -f "$dotest/rebasing" &&
			commit=$(sed -e 's/^From \([0-9a-f]*\) .*/\1/' \
				-e q "$dotest/$msgnum") &&
			test "$(git cat-file -t "$commit")" = commit
		then
			git cat-file commit "$commit" |
			sed -e '1,/^$/d' >"$dotest/msg-clean"
		else
			SUBJECT="$(sed -n '/^Subject/ s/Subject: //p' "$dotest/info")"
			case "$keep_subject" in -k)  SUBJECT="[PATCH] $SUBJECT" ;; esac

			(printf '%s\n\n' "$SUBJECT"; cat "$dotest/msg") |
				git stripspace > "$dotest/msg-clean"
		fi
		;;
	esac

	GIT_AUTHOR_NAME="$(sed -n '/^Author/ s/Author: //p' "$dotest/info")"
	GIT_AUTHOR_EMAIL="$(sed -n '/^Email/ s/Email: //p' "$dotest/info")"
	GIT_AUTHOR_DATE="$(sed -n '/^Date/ s/Date: //p' "$dotest/info")"

	if test -z "$GIT_AUTHOR_EMAIL"
	then
		echo "Patch does not have a valid e-mail address."
		stop_here $this
	fi

	export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE

	case "$resume" in
	'')
	    if test '' != "$SIGNOFF"
	    then
		LAST_SIGNED_OFF_BY=`
		    sed -ne '/^Signed-off-by: /p' \
		    "$dotest/msg-clean" |
		    sed -ne '$p'
		`
		ADD_SIGNOFF=`
		    test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" || {
		    test '' = "$LAST_SIGNED_OFF_BY" && echo
		    echo "$SIGNOFF"
		}`
	    else
		ADD_SIGNOFF=
	    fi
	    {
		if test -s "$dotest/msg-clean"
		then
			cat "$dotest/msg-clean"
		fi
		if test '' != "$ADD_SIGNOFF"
		then
			echo "$ADD_SIGNOFF"
		fi
	    } >"$dotest/final-commit"
	    ;;
	*)
		case "$resolved$interactive" in
		tt)
			# This is used only for interactive view option.
			git diff-index -p --cached HEAD -- >"$dotest/patch"
			;;
		esac
	esac

	resume=
	if test "$interactive" = t
	then
	    test -t 0 ||
	    die "cannot be interactive without stdin connected to a terminal."
	    action=again
	    while test "$action" = again
	    do
		echo "Commit Body is:"
		echo "--------------------------"
		cat "$dotest/final-commit"
		echo "--------------------------"
		printf "Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all "
		read reply
		case "$reply" in
		[yY]*) action=yes ;;
		[aA]*) action=yes interactive= ;;
		[nN]*) action=skip ;;
		[eE]*) git_editor "$dotest/final-commit"
		       action=again ;;
		[vV]*) action=again
		       : ${GIT_PAGER=$(git var GIT_PAGER)}
		       : ${LESS=-FRSX}
		       export LESS
		       $GIT_PAGER "$dotest/patch" ;;
		*)     action=again ;;
		esac
	    done
	else
	    action=yes
	fi
	FIRSTLINE=$(sed 1q "$dotest/final-commit")

	if test $action = skip
	then
		go_next
		continue
	fi

	if test -x "$GIT_DIR"/hooks/applypatch-msg
	then
		"$GIT_DIR"/hooks/applypatch-msg "$dotest/final-commit" ||
		stop_here $this
	fi

	say "Applying: $FIRSTLINE"

	case "$resolved" in
	'')
		# When we are allowed to fall back to 3-way later, don't give
		# false errors during the initial attempt.
		squelch=
		if test "$threeway" = t
		then
			squelch='>/dev/null 2>&1 '
		fi
		eval "git apply $squelch$git_apply_opt"' --index "$dotest/patch"'
		apply_status=$?
		;;
	t)
		# Resolved means the user did all the hard work, and
		# we do not have to do any patch application.  Just
		# trust what the user has in the index file and the
		# working tree.
		resolved=
		git diff-index --quiet --cached HEAD -- && {
			echo "No changes - did you forget to use 'git add'?"
			stop_here_user_resolve $this
		}
		unmerged=$(git ls-files -u)
		if test -n "$unmerged"
		then
			echo "You still have unmerged paths in your index"
			echo "did you forget to use 'git add'?"
			stop_here_user_resolve $this
		fi
		apply_status=0
		git rerere
		;;
	esac

	if test $apply_status = 1 && test "$threeway" = t
	then
		if (fall_back_3way)
		then
		    # Applying the patch to an earlier tree and merging the
		    # result may have produced the same tree as ours.
		    git diff-index --quiet --cached HEAD -- && {
			say No changes -- Patch already applied.
			go_next
			continue
		    }
		    # clear apply_status -- we have successfully merged.
		    apply_status=0
		fi
	fi
	if test $apply_status != 0
	then
		printf 'Patch failed at %s %s\n' "$msgnum" "$FIRSTLINE"
		stop_here_user_resolve $this
	fi

	if test -x "$GIT_DIR"/hooks/pre-applypatch
	then
		"$GIT_DIR"/hooks/pre-applypatch || stop_here $this
	fi

	tree=$(git write-tree) &&
	commit=$(
		if test -n "$ignore_date"
		then
			GIT_AUTHOR_DATE=
		fi
		parent=$(git rev-parse --verify -q HEAD) ||
		say >&2 "applying to an empty history"

		if test -n "$committer_date_is_author_date"
		then
			GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"
			export GIT_COMMITTER_DATE
		fi &&
		git commit-tree $tree ${parent:+-p} $parent <"$dotest/final-commit"
	) &&
	git update-ref -m "$GIT_REFLOG_ACTION: $FIRSTLINE" HEAD $commit $parent ||
	stop_here $this

	if test -x "$GIT_DIR"/hooks/post-applypatch
	then
		"$GIT_DIR"/hooks/post-applypatch
	fi

	go_next
done

git gc --auto

rm -fr "$dotest"