1#!/bin/sh
2#
3# Copyright (c) 2005 Linus Torvalds
4# Copyright (c) 2006 Junio C Hamano
5
6USAGE='[-a] [-s] [-v] [--no-verify] [-m <message> | -F <logfile> | (-C|-c) <commit> | --amend] [-u] [-e] [--author <author>] [[-i | -o] <path>...]'
7SUBDIRECTORY_OK=Yes
8. git-sh-setup
9require_work_tree
10
11git-rev-parse --verify HEAD >/dev/null 2>&1 || initial_commit=t
12
13case "$0" in
14*status)
15 status_only=t
16 unmerged_ok_if_status=--unmerged ;;
17*commit)
18 status_only=
19 unmerged_ok_if_status= ;;
20esac
21
22refuse_partial () {
23 echo >&2 "$1"
24 echo >&2 "You might have meant to say 'git commit -i paths...', perhaps?"
25 exit 1
26}
27
28THIS_INDEX="$GIT_DIR/index"
29NEXT_INDEX="$GIT_DIR/next-index$$"
30rm -f "$NEXT_INDEX"
31save_index () {
32 cp -p "$THIS_INDEX" "$NEXT_INDEX"
33}
34
35run_status () {
36 # If TMP_INDEX is defined, that means we are doing
37 # "--only" partial commit, and that index file is used
38 # to build the tree for the commit. Otherwise, if
39 # NEXT_INDEX exists, that is the index file used to
40 # make the commit. Otherwise we are using as-is commit
41 # so the regular index file is what we use to compare.
42 if test '' != "$TMP_INDEX"
43 then
44 GIT_INDEX_FILE="$TMP_INDEX"
45 export GIT_INDEX_FILE
46 elif test -f "$NEXT_INDEX"
47 then
48 GIT_INDEX_FILE="$NEXT_INDEX"
49 export GIT_INDEX_FILE
50 fi
51
52 case "$status_only" in
53 t) color= ;;
54 *) color=--nocolor ;;
55 esac
56 git-runstatus ${color} \
57 ${verbose:+--verbose} \
58 ${amend:+--amend} \
59 ${untracked_files:+--untracked}
60}
61
62trap '
63 test -z "$TMP_INDEX" || {
64 test -f "$TMP_INDEX" && rm -f "$TMP_INDEX"
65 }
66 rm -f "$NEXT_INDEX"
67' 0
68
69################################################################
70# Command line argument parsing and sanity checking
71
72all=
73also=
74only=
75logfile=
76use_commit=
77amend=
78edit_flag=
79no_edit=
80log_given=
81log_message=
82verify=t
83quiet=
84verbose=
85signoff=
86force_author=
87only_include_assumed=
88untracked_files=
89while case "$#" in 0) break;; esac
90do
91 case "$1" in
92 -F|--F|-f|--f|--fi|--fil|--file)
93 case "$#" in 1) usage ;; esac
94 shift
95 no_edit=t
96 log_given=t$log_given
97 logfile="$1"
98 shift
99 ;;
100 -F*|-f*)
101 no_edit=t
102 log_given=t$log_given
103 logfile=`expr "z$1" : 'z-[Ff]\(.*\)'`
104 shift
105 ;;
106 --F=*|--f=*|--fi=*|--fil=*|--file=*)
107 no_edit=t
108 log_given=t$log_given
109 logfile=`expr "z$1" : 'z-[^=]*=\(.*\)'`
110 shift
111 ;;
112 -a|--a|--al|--all)
113 all=t
114 shift
115 ;;
116 --au=*|--aut=*|--auth=*|--autho=*|--author=*)
117 force_author=`expr "z$1" : 'z-[^=]*=\(.*\)'`
118 shift
119 ;;
120 --au|--aut|--auth|--autho|--author)
121 case "$#" in 1) usage ;; esac
122 shift
123 force_author="$1"
124 shift
125 ;;
126 -e|--e|--ed|--edi|--edit)
127 edit_flag=t
128 shift
129 ;;
130 -i|--i|--in|--inc|--incl|--inclu|--includ|--include)
131 also=t
132 shift
133 ;;
134 -o|--o|--on|--onl|--only)
135 only=t
136 shift
137 ;;
138 -m|--m|--me|--mes|--mess|--messa|--messag|--message)
139 case "$#" in 1) usage ;; esac
140 shift
141 log_given=m$log_given
142 if test "$log_message" = ''
143 then
144 log_message="$1"
145 else
146 log_message="$log_message
147
148$1"
149 fi
150 no_edit=t
151 shift
152 ;;
153 -m*)
154 log_given=m$log_given
155 if test "$log_message" = ''
156 then
157 log_message=`expr "z$1" : 'z-m\(.*\)'`
158 else
159 log_message="$log_message
160
161`expr "z$1" : 'z-m\(.*\)'`"
162 fi
163 no_edit=t
164 shift
165 ;;
166 --m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*)
167 log_given=m$log_given
168 if test "$log_message" = ''
169 then
170 log_message=`expr "z$1" : 'z-[^=]*=\(.*\)'`
171 else
172 log_message="$log_message
173
174`expr "z$1" : 'zq-[^=]*=\(.*\)'`"
175 fi
176 no_edit=t
177 shift
178 ;;
179 -n|--n|--no|--no-|--no-v|--no-ve|--no-ver|--no-veri|--no-verif|\
180 --no-verify)
181 verify=
182 shift
183 ;;
184 --a|--am|--ame|--amen|--amend)
185 amend=t
186 log_given=t$log_given
187 use_commit=HEAD
188 shift
189 ;;
190 -c)
191 case "$#" in 1) usage ;; esac
192 shift
193 log_given=t$log_given
194 use_commit="$1"
195 no_edit=
196 shift
197 ;;
198 --ree=*|--reed=*|--reedi=*|--reedit=*|--reedit-=*|--reedit-m=*|\
199 --reedit-me=*|--reedit-mes=*|--reedit-mess=*|--reedit-messa=*|\
200 --reedit-messag=*|--reedit-message=*)
201 log_given=t$log_given
202 use_commit=`expr "z$1" : 'z-[^=]*=\(.*\)'`
203 no_edit=
204 shift
205 ;;
206 --ree|--reed|--reedi|--reedit|--reedit-|--reedit-m|--reedit-me|\
207 --reedit-mes|--reedit-mess|--reedit-messa|--reedit-messag|\
208 --reedit-message)
209 case "$#" in 1) usage ;; esac
210 shift
211 log_given=t$log_given
212 use_commit="$1"
213 no_edit=
214 shift
215 ;;
216 -C)
217 case "$#" in 1) usage ;; esac
218 shift
219 log_given=t$log_given
220 use_commit="$1"
221 no_edit=t
222 shift
223 ;;
224 --reu=*|--reus=*|--reuse=*|--reuse-=*|--reuse-m=*|--reuse-me=*|\
225 --reuse-mes=*|--reuse-mess=*|--reuse-messa=*|--reuse-messag=*|\
226 --reuse-message=*)
227 log_given=t$log_given
228 use_commit=`expr "z$1" : 'z-[^=]*=\(.*\)'`
229 no_edit=t
230 shift
231 ;;
232 --reu|--reus|--reuse|--reuse-|--reuse-m|--reuse-me|--reuse-mes|\
233 --reuse-mess|--reuse-messa|--reuse-messag|--reuse-message)
234 case "$#" in 1) usage ;; esac
235 shift
236 log_given=t$log_given
237 use_commit="$1"
238 no_edit=t
239 shift
240 ;;
241 -s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
242 signoff=t
243 shift
244 ;;
245 -q|--q|--qu|--qui|--quie|--quiet)
246 quiet=t
247 shift
248 ;;
249 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
250 verbose=t
251 shift
252 ;;
253 -u|--u|--un|--unt|--untr|--untra|--untrac|--untrack|--untracke|\
254 --untracked|--untracked-|--untracked-f|--untracked-fi|--untracked-fil|\
255 --untracked-file|--untracked-files)
256 untracked_files=t
257 shift
258 ;;
259 --)
260 shift
261 break
262 ;;
263 -*)
264 usage
265 ;;
266 *)
267 break
268 ;;
269 esac
270done
271case "$edit_flag" in t) no_edit= ;; esac
272
273################################################################
274# Sanity check options
275
276case "$amend,$initial_commit" in
277t,t)
278 die "You do not have anything to amend." ;;
279t,)
280 if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
281 die "You are in the middle of a merge -- cannot amend."
282 fi ;;
283esac
284
285case "$log_given" in
286tt*)
287 die "Only one of -c/-C/-F/--amend can be used." ;;
288*tm*|*mt*)
289 die "Option -m cannot be combined with -c/-C/-F/--amend." ;;
290esac
291
292case "$#,$also,$only,$amend" in
293*,t,t,*)
294 die "Only one of --include/--only can be used." ;;
2950,t,,* | 0,,t,)
296 die "No paths with --include/--only does not make sense." ;;
2970,,t,t)
298 only_include_assumed="# Clever... amending the last one with dirty index." ;;
2990,,,*)
300 ;;
301*,,,*)
302 only_include_assumed="# Explicit paths specified without -i nor -o; assuming --only paths..."
303 also=
304 ;;
305esac
306unset only
307case "$all,$also,$#" in
308t,t,*)
309 die "Cannot use -a and -i at the same time." ;;
310t,,[1-9]*)
311 die "Paths with -a does not make sense." ;;
312,t,0)
313 die "No paths with -i does not make sense." ;;
314esac
315
316################################################################
317# Prepare index to have a tree to be committed
318
319case "$all,$also" in
320t,)
321 save_index &&
322 (
323 cd_to_toplevel &&
324 GIT_INDEX_FILE="$NEXT_INDEX" &&
325 export GIT_INDEX_FILE &&
326 git-diff-files --name-only -z |
327 git-update-index --remove -z --stdin
328 ) || exit
329 ;;
330,t)
331 save_index &&
332 git-ls-files --error-unmatch -- "$@" >/dev/null || exit
333
334 git-diff-files --name-only -z -- "$@" |
335 (
336 cd_to_toplevel &&
337 GIT_INDEX_FILE="$NEXT_INDEX" &&
338 export GIT_INDEX_FILE &&
339 git-update-index --remove -z --stdin
340 ) || exit
341 ;;
342,)
343 case "$#" in
344 0)
345 ;; # commit as-is
346 *)
347 if test -f "$GIT_DIR/MERGE_HEAD"
348 then
349 refuse_partial "Cannot do a partial commit during a merge."
350 fi
351 TMP_INDEX="$GIT_DIR/tmp-index$$"
352 commit_only=`git-ls-files --error-unmatch -- "$@"` || exit
353
354 # Build a temporary index and update the real index
355 # the same way.
356 if test -z "$initial_commit"
357 then
358 cp "$THIS_INDEX" "$TMP_INDEX"
359 GIT_INDEX_FILE="$TMP_INDEX" git-read-tree -m HEAD
360 else
361 rm -f "$TMP_INDEX"
362 fi || exit
363
364 echo "$commit_only" |
365 GIT_INDEX_FILE="$TMP_INDEX" \
366 git-update-index --add --remove --stdin &&
367
368 save_index &&
369 echo "$commit_only" |
370 (
371 GIT_INDEX_FILE="$NEXT_INDEX"
372 export GIT_INDEX_FILE
373 git-update-index --remove --stdin
374 ) || exit
375 ;;
376 esac
377 ;;
378esac
379
380################################################################
381# If we do as-is commit, the index file will be THIS_INDEX,
382# otherwise NEXT_INDEX after we make this commit. We leave
383# the index as is if we abort.
384
385if test -f "$NEXT_INDEX"
386then
387 USE_INDEX="$NEXT_INDEX"
388else
389 USE_INDEX="$THIS_INDEX"
390fi
391
392GIT_INDEX_FILE="$USE_INDEX" \
393 git-update-index -q $unmerged_ok_if_status --refresh || exit
394
395################################################################
396# If the request is status, just show it and exit.
397
398case "$0" in
399*status)
400 run_status
401 exit $?
402esac
403
404################################################################
405# Grab commit message, write out tree and make commit.
406
407if test t = "$verify" && test -x "$GIT_DIR"/hooks/pre-commit
408then
409 if test "$TMP_INDEX"
410 then
411 GIT_INDEX_FILE="$TMP_INDEX" "$GIT_DIR"/hooks/pre-commit
412 else
413 GIT_INDEX_FILE="$USE_INDEX" "$GIT_DIR"/hooks/pre-commit
414 fi || exit
415fi
416
417if test "$log_message" != ''
418then
419 echo "$log_message"
420elif test "$logfile" != ""
421then
422 if test "$logfile" = -
423 then
424 test -t 0 &&
425 echo >&2 "(reading log message from standard input)"
426 cat
427 else
428 cat <"$logfile"
429 fi
430elif test "$use_commit" != ""
431then
432 encoding=$(git repo-config i18n.commitencoding || echo UTF-8)
433 git show -s --pretty=raw --encoding="$encoding" "$use_commit" |
434 sed -e '1,/^$/d' -e 's/^ //'
435elif test -f "$GIT_DIR/MERGE_MSG"
436then
437 cat "$GIT_DIR/MERGE_MSG"
438elif test -f "$GIT_DIR/SQUASH_MSG"
439then
440 cat "$GIT_DIR/SQUASH_MSG"
441fi | git-stripspace >"$GIT_DIR"/COMMIT_EDITMSG
442
443case "$signoff" in
444t)
445 {
446 echo
447 git-var GIT_COMMITTER_IDENT | sed -e '
448 s/>.*/>/
449 s/^/Signed-off-by: /
450 '
451 } >>"$GIT_DIR"/COMMIT_EDITMSG
452 ;;
453esac
454
455if test -f "$GIT_DIR/MERGE_HEAD" && test -z "$no_edit"; then
456 echo "#"
457 echo "# It looks like you may be committing a MERGE."
458 echo "# If this is not correct, please remove the file"
459 echo "# $GIT_DIR/MERGE_HEAD"
460 echo "# and try again"
461 echo "#"
462fi >>"$GIT_DIR"/COMMIT_EDITMSG
463
464# Author
465if test '' != "$use_commit"
466then
467 pick_author_script='
468 /^author /{
469 s/'\''/'\''\\'\'\''/g
470 h
471 s/^author \([^<]*\) <[^>]*> .*$/\1/
472 s/'\''/'\''\'\'\''/g
473 s/.*/GIT_AUTHOR_NAME='\''&'\''/p
474
475 g
476 s/^author [^<]* <\([^>]*\)> .*$/\1/
477 s/'\''/'\''\'\'\''/g
478 s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
479
480 g
481 s/^author [^<]* <[^>]*> \(.*\)$/\1/
482 s/'\''/'\''\'\'\''/g
483 s/.*/GIT_AUTHOR_DATE='\''&'\''/p
484
485 q
486 }
487 '
488 encoding=$(git repo-config i18n.commitencoding || echo UTF-8)
489 set_author_env=`git show -s --pretty=raw --encoding="$encoding" "$use_commit" |
490 LANG=C LC_ALL=C sed -ne "$pick_author_script"`
491 eval "$set_author_env"
492 export GIT_AUTHOR_NAME
493 export GIT_AUTHOR_EMAIL
494 export GIT_AUTHOR_DATE
495fi
496if test '' != "$force_author"
497then
498 GIT_AUTHOR_NAME=`expr "z$force_author" : 'z\(.*[^ ]\) *<.*'` &&
499 GIT_AUTHOR_EMAIL=`expr "z$force_author" : '.*\(<.*\)'` &&
500 test '' != "$GIT_AUTHOR_NAME" &&
501 test '' != "$GIT_AUTHOR_EMAIL" ||
502 die "malformed --author parameter"
503 export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
504fi
505
506PARENTS="-p HEAD"
507if test -z "$initial_commit"
508then
509 rloga='commit'
510 if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
511 rloga='commit (merge)'
512 PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
513 elif test -n "$amend"; then
514 rloga='commit (amend)'
515 PARENTS=$(git-cat-file commit HEAD |
516 sed -n -e '/^$/q' -e 's/^parent /-p /p')
517 fi
518 current="$(git-rev-parse --verify HEAD)"
519else
520 if [ -z "$(git-ls-files)" ]; then
521 echo >&2 'nothing to commit (use "git add file1 file2" to include for commit)'
522 exit 1
523 fi
524 PARENTS=""
525 rloga='commit (initial)'
526 current=''
527fi
528
529if test -z "$no_edit"
530then
531 {
532 echo ""
533 echo "# Please enter the commit message for your changes."
534 echo "# (Comment lines starting with '#' will not be included)"
535 test -z "$only_include_assumed" || echo "$only_include_assumed"
536 run_status
537 } >>"$GIT_DIR"/COMMIT_EDITMSG
538else
539 # we need to check if there is anything to commit
540 run_status >/dev/null
541fi
542if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" -a -z "$amend" ]
543then
544 rm -f "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
545 run_status
546 exit 1
547fi
548
549case "$no_edit" in
550'')
551 case "${VISUAL:-$EDITOR},$TERM" in
552 ,dumb)
553 echo >&2 "Terminal is dumb but no VISUAL nor EDITOR defined."
554 echo >&2 "Please supply the commit log message using either"
555 echo >&2 "-m or -F option. A boilerplate log message has"
556 echo >&2 "been prepared in $GIT_DIR/COMMIT_EDITMSG"
557 exit 1
558 ;;
559 esac
560 git-var GIT_AUTHOR_IDENT > /dev/null || die
561 git-var GIT_COMMITTER_IDENT > /dev/null || die
562 ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR/COMMIT_EDITMSG"
563 ;;
564esac
565
566case "$verify" in
567t)
568 if test -x "$GIT_DIR"/hooks/commit-msg
569 then
570 "$GIT_DIR"/hooks/commit-msg "$GIT_DIR"/COMMIT_EDITMSG || exit
571 fi
572esac
573
574if test -z "$no_edit"
575then
576 sed -e '
577 /^diff --git a\/.*/{
578 s///
579 q
580 }
581 /^#/d
582 ' "$GIT_DIR"/COMMIT_EDITMSG
583else
584 cat "$GIT_DIR"/COMMIT_EDITMSG
585fi |
586git-stripspace >"$GIT_DIR"/COMMIT_MSG
587
588if cnt=`grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG |
589 git-stripspace |
590 wc -l` &&
591 test 0 -lt $cnt
592then
593 if test -z "$TMP_INDEX"
594 then
595 tree=$(GIT_INDEX_FILE="$USE_INDEX" git-write-tree)
596 else
597 tree=$(GIT_INDEX_FILE="$TMP_INDEX" git-write-tree) &&
598 rm -f "$TMP_INDEX"
599 fi &&
600 commit=$(cat "$GIT_DIR"/COMMIT_MSG | git-commit-tree $tree $PARENTS) &&
601 rlogm=$(sed -e 1q "$GIT_DIR"/COMMIT_MSG) &&
602 git-update-ref -m "$rloga: $rlogm" HEAD $commit "$current" &&
603 rm -f -- "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/MERGE_MSG" &&
604 if test -f "$NEXT_INDEX"
605 then
606 mv "$NEXT_INDEX" "$THIS_INDEX"
607 else
608 : ;# happy
609 fi
610else
611 echo >&2 "* no commit message? aborting commit."
612 false
613fi
614ret="$?"
615rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
616if test -d "$GIT_DIR/rr-cache"
617then
618 git-rerere
619fi
620
621if test "$ret" = 0
622then
623 if test -x "$GIT_DIR"/hooks/post-commit
624 then
625 "$GIT_DIR"/hooks/post-commit
626 fi
627 if test -z "$quiet"
628 then
629 echo "Created${initial_commit:+ initial} commit $commit"
630 git-diff-tree --shortstat --summary --root --no-commit-id HEAD --
631 fi
632fi
633
634exit "$ret"