summaryrefslogtreecommitdiff
path: root/git-commit.sh
blob: 25389240bf20c7d7c81eed67e864f94c7957c5f7 (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
#!/bin/sh
#
# Copyright (c) 2005 Linus Torvalds
# Copyright (c) 2006 Junio C Hamano

USAGE='[-a] [-i] [-s] [-v | --no-verify]  [-m <message> | -F <logfile> | (-C|-c) <commit>] [-e] [--author <author>] [<path>...]'

SUBDIRECTORY_OK=Yes
. git-sh-setup

git-rev-parse --verify HEAD >/dev/null 2>&1 ||
initial_commit=t

refuse_partial () {
	echo >&2 "$1"
	echo >&2 "You might have meant to say 'git commit -i paths...', perhaps?"
	exit 1
}

SAVE_INDEX="$GIT_DIR/save-index$$"
save_index () {
	cp "$GIT_DIR/index" "$SAVE_INDEX"
}

run_status () {
	(
		cd "$TOP"
		if test '' != "$TMP_INDEX"
		then
			GIT_INDEX_FILE="$TMP_INDEX" git-status
		else
			git-status
		fi
	)
}

all=
also=
only=
logfile=
use_commit=
no_edit=
log_given=
log_message=
verify=t
signoff=
force_author=
while case "$#" in 0) break;; esac
do
  case "$1" in
  -F|--F|-f|--f|--fi|--fil|--file)
      case "$#" in 1) usage ;; esac
      shift
      no_edit=t
      log_given=t$log_given
      logfile="$1"
      shift
      ;;
  -F*|-f*)
      no_edit=t
      log_given=t$log_given
      logfile=`expr "$1" : '-[Ff]\(.*\)'`
      shift
      ;;
  --F=*|--f=*|--fi=*|--fil=*|--file=*)
      no_edit=t
      log_given=t$log_given
      logfile=`expr "$1" : '-[^=]*=\(.*\)'`
      shift
      ;;
  -a|--a|--al|--all)
      all=t
      shift
      ;;
  --au=*|--aut=*|--auth=*|--autho=*|--author=*)
      force_author=`expr "$1" : '-[^=]*=\(.*\)'`
      shift
      ;;
  --au|--aut|--auth|--autho|--author)
      case "$#" in 1) usage ;; esac
      shift
      force_author="$1"
      shift
      ;;
  -e|--e|--ed|--edi|--edit)
      no_edit=
      shift
      ;;
  -i|--i|--in|--inc|--incl|--inclu|--includ|--include)
      also=t
      shift
      ;;
  -o|--o|--on|--onl|--only)
      only=t
      shift
      ;;
  -m|--m|--me|--mes|--mess|--messa|--messag|--message)
      case "$#" in 1) usage ;; esac
      shift
      log_given=t$log_given
      log_message="$1"
      no_edit=t
      shift
      ;;
  -m*)
      log_given=t$log_given
      log_message=`expr "$1" : '-m\(.*\)'`
      no_edit=t
      shift
      ;;
  --m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*)
      log_given=t$log_given
      log_message=`expr "$1" : '-[^=]*=\(.*\)'`
      no_edit=t
      shift
      ;;
  -n|--n|--no|--no-|--no-v|--no-ve|--no-ver|--no-veri|--no-verif|--no-verify)
      verify=
      shift
      ;;
  -c)
      case "$#" in 1) usage ;; esac
      shift
      log_given=t$log_given
      use_commit="$1"
      no_edit=
      shift
      ;;
  --ree=*|--reed=*|--reedi=*|--reedit=*|--reedit-=*|--reedit-m=*|\
  --reedit-me=*|--reedit-mes=*|--reedit-mess=*|--reedit-messa=*|\
  --reedit-messag=*|--reedit-message=*)
      log_given=t$log_given
      use_commit=`expr "$1" : '-[^=]*=\(.*\)'`
      no_edit=
      shift
      ;;
  --ree|--reed|--reedi|--reedit|--reedit-|--reedit-m|--reedit-me|\
  --reedit-mes|--reedit-mess|--reedit-messa|--reedit-messag|--reedit-message)
      case "$#" in 1) usage ;; esac
      shift
      log_given=t$log_given
      use_commit="$1"
      no_edit=
      shift
      ;;
  -C)
      case "$#" in 1) usage ;; esac
      shift
      log_given=t$log_given
      use_commit="$1"
      no_edit=t
      shift
      ;;
  --reu=*|--reus=*|--reuse=*|--reuse-=*|--reuse-m=*|--reuse-me=*|\
  --reuse-mes=*|--reuse-mess=*|--reuse-messa=*|--reuse-messag=*|\
  --reuse-message=*)
      log_given=t$log_given
      use_commit=`expr "$1" : '-[^=]*=\(.*\)'`
      no_edit=t
      shift
      ;;
  --reu|--reus|--reuse|--reuse-|--reuse-m|--reuse-me|--reuse-mes|\
  --reuse-mess|--reuse-messa|--reuse-messag|--reuse-message)
      case "$#" in 1) usage ;; esac
      shift
      log_given=t$log_given
      use_commit="$1"
      no_edit=t
      shift
      ;;
  -s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
      signoff=t
      shift
      ;;
  -v|--v|--ve|--ver|--veri|--verif|--verify)
      verify=t
     shift
      ;;
  --)
      shift
      break
      ;;
  -*)
      usage
      ;;
  *)
      break
      ;;
  esac
done

case "$log_given" in
tt*)
  die "Only one of -c/-C/-F/-m can be used." ;;
esac

case "$#,$also$only" in
*,tt)
  die "Only one of --include/--only can be used." ;;
0,t)
  die "No paths with --include/--only does not make sense." ;;
0,)
  ;;
*,)
  echo >&2 "assuming --include paths..."
  also=t
  # Later when switch the defaults, we will replace them with these:
  # echo >&2 "assuming --only paths..."
  # also=
  ;;
esac
unset only

TOP=`git-rev-parse --show-cdup`
if test -z "$TOP"
then
	TOP=./
fi

case "$all,$also" in
t,t)
	die "Cannot use -a and -i at the same time." ;;
t,)
	case "$#" in
	0) ;;
	*) die "Paths with -a does not make sense." ;;
	esac

	save_index &&
	(
		cd "$TOP"
		git-diff-files --name-only -z |
		git-update-index --remove -z --stdin
	)
	;;
,t)
	case "$#" in
	0) die "No paths with -i does not make sense." ;;
	esac

	save_index &&
	git-diff-files --name-only -z -- "$@"  |
	(cd "$TOP" && git-update-index --remove -z --stdin)
	;;
,)
	case "$#" in
	0)
	    ;; # commit as-is
	*)
	    if test -f "$GIT_DIR/MERGE_HEAD"
	    then
		refuse_partial "Cannot do a partial commit during a merge."
	    fi
	    TMP_INDEX="$GIT_DIR/tmp-index$$"
	    if test -z "$initial_commit"
	    then
		# make sure index is clean at the specified paths, or
		# they are additions.
		dirty_in_index=`git-diff-index --cached --name-status \
			--diff-filter=DMTU HEAD -- "$@"`
		test -z "$dirty_in_index" ||
		refuse_partial "Different in index and the last commit:
$dirty_in_index"
	    fi
	    commit_only=`git-ls-files -- "$@"` ;;
	esac
	;;
esac

git-update-index -q --refresh || exit 1

trap '
	test -z "$TMP_INDEX" || {
		test -f "$TMP_INDEX" && rm -f "$TMP_INDEX"
	}
	test -f "$SAVE_INDEX" && mv -f "$SAVE_INDEX" "$GIT_DIR/index"
' 0

if test "$TMP_INDEX"
then
	if test -z "$initial_commit"
	then
		GIT_INDEX_FILE="$TMP_INDEX" git-read-tree HEAD
	else
		rm -f "$TMP_INDEX"
	fi || exit
	echo "$commit_only" |
	GIT_INDEX_FILE="$TMP_INDEX" git-update-index --add --remove --stdin &&
	save_index &&
	echo "$commit_only" |
	git-update-index --remove --stdin ||
	exit
fi

if test t = "$verify" && test -x "$GIT_DIR"/hooks/pre-commit
then
	if test "$TMP_INDEX"
	then
		GIT_INDEX_FILE="$TMP_INDEX" "$GIT_DIR"/hooks/pre-commit
	else
		"$GIT_DIR"/hooks/pre-commit
	fi || exit
fi

if test "$log_message" != ''
then
	echo "$log_message"
elif test "$logfile" != ""
then
	if test "$logfile" = -
	then
		test -t 0 &&
		echo >&2 "(reading log message from standard input)"
		cat
	else
		cat <"$logfile"
	fi
elif test "$use_commit" != ""
then
	git-cat-file commit "$use_commit" | sed -e '1,/^$/d'
elif test -f "$GIT_DIR/MERGE_HEAD" && test -f "$GIT_DIR/MERGE_MSG"
then
	cat "$GIT_DIR/MERGE_MSG"
fi | git-stripspace >"$GIT_DIR"/COMMIT_EDITMSG

case "$signoff" in
t)
	{
		echo
		git-var GIT_COMMITTER_IDENT | sed -e '
			s/>.*/>/
			s/^/Signed-off-by: /
		'
	} >>"$GIT_DIR"/COMMIT_EDITMSG
	;;
esac

if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
	echo "#"
	echo "# It looks like you may be committing a MERGE."
	echo "# If this is not correct, please remove the file"
	echo "#	$GIT_DIR/MERGE_HEAD"
	echo "# and try again"
	echo "#"
fi >>"$GIT_DIR"/COMMIT_EDITMSG

# Author
if test '' != "$force_author"
then
	GIT_AUTHOR_NAME=`expr "$force_author" : '\(.*[^ ]\) *<.*'` &&
	GIT_AUTHOR_EMAIL=`expr "$force_author" : '.*\(<.*\)'` &&
	test '' != "$GIT_AUTHOR_NAME" &&
	test '' != "$GIT_AUTHOR_EMAIL" ||
	die "malformatted --author parameter"
	export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
elif test '' != "$use_commit"
then
	pick_author_script='
	/^author /{
		s/'\''/'\''\\'\'\''/g
		h
		s/^author \([^<]*\) <[^>]*> .*$/\1/
		s/'\''/'\''\'\'\''/g
		s/.*/GIT_AUTHOR_NAME='\''&'\''/p

		g
		s/^author [^<]* <\([^>]*\)> .*$/\1/
		s/'\''/'\''\'\'\''/g
		s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p

		g
		s/^author [^<]* <[^>]*> \(.*\)$/\1/
		s/'\''/'\''\'\'\''/g
		s/.*/GIT_AUTHOR_DATE='\''&'\''/p

		q
	}
	'
	set_author_env=`git-cat-file commit "$use_commit" |
	LANG=C LC_ALL=C sed -ne "$pick_author_script"`
	eval "$set_author_env"
	export GIT_AUTHOR_NAME
	export GIT_AUTHOR_EMAIL
	export GIT_AUTHOR_DATE
fi

PARENTS="-p HEAD"
if test -z "$initial_commit"
then
	if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
		PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
	fi
else
	if [ -z "$(git-ls-files)" ]; then
		echo >&2 Nothing to commit
		exit 1
	fi
	PARENTS=""
fi


run_status >>"$GIT_DIR"/COMMIT_EDITMSG
if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" ]
then
	rm -f "$GIT_DIR/COMMIT_EDITMSG"
	run_status
	exit 1
fi
case "$no_edit" in
'')
	case "${VISUAL:-$EDITOR},$TERM" in
	,dumb)
		echo >&2 "Terminal is dumb but no VISUAL nor EDITOR defined."
		echo >&2 "Please supply the commit log message using either"
		echo >&2 "-m or -F option.  A boilerplate log message has"
		echo >&2 "been prepared in $GIT_DIR/COMMIT_EDITMSG"
		exit 1
		;;
	esac
	${VISUAL:-${EDITOR:-vi}} "$GIT_DIR/COMMIT_EDITMSG"
	;;
esac

case "$verify" in
t)
	if test -x "$GIT_DIR"/hooks/commit-msg
	then
		"$GIT_DIR"/hooks/commit-msg "$GIT_DIR"/COMMIT_EDITMSG || exit
	fi
esac

grep -v '^#' < "$GIT_DIR"/COMMIT_EDITMSG |
git-stripspace > "$GIT_DIR"/COMMIT_MSG

if cnt=`grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG |
	git-stripspace |
	wc -l` &&
   test 0 -lt $cnt
then
	if test -z "$TMP_INDEX"
	then
		tree=$(git-write-tree)
	else
		tree=$(GIT_INDEX_FILE="$TMP_INDEX" git-write-tree) &&
		rm -f "$TMP_INDEX"
	fi &&
	commit=$(cat "$GIT_DIR"/COMMIT_MSG | git-commit-tree $tree $PARENTS) &&
	git-update-ref HEAD $commit $current &&
	rm -f -- "$GIT_DIR/MERGE_HEAD"
else
	echo >&2 "* no commit message?  aborting commit."
	false
fi
ret="$?"
rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG"
git-rerere

if test -x "$GIT_DIR"/hooks/post-commit && test "$ret" = 0
then
	"$GIT_DIR"/hooks/post-commit
fi
if test 0 -eq "$ret"
then
	rm -f "$SAVE_INDEX"
fi
exit "$ret"