1#!/bin/sh
2#
3# Copyright (c) 2005 Linus Torvalds
4# Copyright (c) 2006 Junio C Hamano
5USAGE='[-a] [-s] [-v] [--no-verify] [-m <message> | -F <logfile> | (-C|-c) <commit>] [-u] [--amend] [-e] [--author <author>] [[-i | -o] <path>...]'
7SUBDIRECTORY_OK=Yes
8. git-sh-setup
9git-rev-parse --verify HEAD >/dev/null 2>&1 || initial_commit=t
11branch=$(GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD)
12case "$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
21refuse_partial () {
23 echo >&2 "$1"
24 echo >&2 "You might have meant to say 'git commit -i paths...', perhaps?"
25 exit 1
26}
27THIS_INDEX="$GIT_DIR/index"
29NEXT_INDEX="$GIT_DIR/next-index$$"
30rm -f "$NEXT_INDEX"
31save_index () {
32 cp -p "$THIS_INDEX" "$NEXT_INDEX"
33}
34report () {
36 header="#
37# $1:
38# ($2)
39#
40"
41 trailer=""
42 while read status name newname
43 do
44 printf '%s' "$header"
45 header=""
46 trailer="#
47"
48 case "$status" in
49 M ) echo "# modified: $name";;
50 D*) echo "# deleted: $name";;
51 T ) echo "# typechange: $name";;
52 C*) echo "# copied: $name -> $newname";;
53 R*) echo "# renamed: $name -> $newname";;
54 A*) echo "# new file: $name";;
55 U ) echo "# unmerged: $name";;
56 esac
57 done
58 printf '%s' "$trailer"
59 [ "$header" ]
60}
61run_status () {
63 # If TMP_INDEX is defined, that means we are doing
64 # "--only" partial commit, and that index file is used
65 # to build the tree for the commit. Otherwise, if
66 # NEXT_INDEX exists, that is the index file used to
67 # make the commit. Otherwise we are using as-is commit
68 # so the regular index file is what we use to compare.
69 if test '' != "$TMP_INDEX"
70 then
71 GIT_INDEX_FILE="$TMP_INDEX"
72 export GIT_INDEX_FILE
73 elif test -f "$NEXT_INDEX"
74 then
75 GIT_INDEX_FILE="$NEXT_INDEX"
76 export GIT_INDEX_FILE
77 fi
78 case "$status_only" in
80 t) color= ;;
81 *) color=--nocolor ;;
82 esac
83 git-runstatus ${color} \
84 ${verbose:+--verbose} \
85 ${amend:+--amend}
86}
87trap '
89 test -z "$TMP_INDEX" || {
90 test -f "$TMP_INDEX" && rm -f "$TMP_INDEX"
91 }
92 rm -f "$NEXT_INDEX"
93' 0
94################################################################
96# Command line argument parsing and sanity checking
97all=
99also=
100only=
101logfile=
102use_commit=
103amend=
104edit_flag=
105no_edit=
106log_given=
107log_message=
108verify=t
109verbose=
110signoff=
111force_author=
112only_include_assumed=
113untracked_files=
114while case "$#" in 0) break;; esac
115do
116 case "$1" in
117 -F|--F|-f|--f|--fi|--fil|--file)
118 case "$#" in 1) usage ;; esac
119 shift
120 no_edit=t
121 log_given=t$log_given
122 logfile="$1"
123 shift
124 ;;
125 -F*|-f*)
126 no_edit=t
127 log_given=t$log_given
128 logfile=`expr "z$1" : 'z-[Ff]\(.*\)'`
129 shift
130 ;;
131 --F=*|--f=*|--fi=*|--fil=*|--file=*)
132 no_edit=t
133 log_given=t$log_given
134 logfile=`expr "z$1" : 'z-[^=]*=\(.*\)'`
135 shift
136 ;;
137 -a|--a|--al|--all)
138 all=t
139 shift
140 ;;
141 --au=*|--aut=*|--auth=*|--autho=*|--author=*)
142 force_author=`expr "z$1" : 'z-[^=]*=\(.*\)'`
143 shift
144 ;;
145 --au|--aut|--auth|--autho|--author)
146 case "$#" in 1) usage ;; esac
147 shift
148 force_author="$1"
149 shift
150 ;;
151 -e|--e|--ed|--edi|--edit)
152 edit_flag=t
153 shift
154 ;;
155 -i|--i|--in|--inc|--incl|--inclu|--includ|--include)
156 also=t
157 shift
158 ;;
159 -o|--o|--on|--onl|--only)
160 only=t
161 shift
162 ;;
163 -m|--m|--me|--mes|--mess|--messa|--messag|--message)
164 case "$#" in 1) usage ;; esac
165 shift
166 log_given=m$log_given
167 if test "$log_message" = ''
168 then
169 log_message="$1"
170 else
171 log_message="$log_message
172$1"
174 fi
175 no_edit=t
176 shift
177 ;;
178 -m*)
179 log_given=m$log_given
180 if test "$log_message" = ''
181 then
182 log_message=`expr "z$1" : 'z-m\(.*\)'`
183 else
184 log_message="$log_message
185`expr "z$1" : 'z-m\(.*\)'`"
187 fi
188 no_edit=t
189 shift
190 ;;
191 --m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*)
192 log_given=m$log_given
193 if test "$log_message" = ''
194 then
195 log_message=`expr "z$1" : 'z-[^=]*=\(.*\)'`
196 else
197 log_message="$log_message
198`expr "z$1" : 'zq-[^=]*=\(.*\)'`"
200 fi
201 no_edit=t
202 shift
203 ;;
204 -n|--n|--no|--no-|--no-v|--no-ve|--no-ver|--no-veri|--no-verif|--no-verify)
205 verify=
206 shift
207 ;;
208 --a|--am|--ame|--amen|--amend)
209 amend=t
210 log_given=t$log_given
211 use_commit=HEAD
212 shift
213 ;;
214 -c)
215 case "$#" in 1) usage ;; esac
216 shift
217 log_given=t$log_given
218 use_commit="$1"
219 no_edit=
220 shift
221 ;;
222 --ree=*|--reed=*|--reedi=*|--reedit=*|--reedit-=*|--reedit-m=*|\
223 --reedit-me=*|--reedit-mes=*|--reedit-mess=*|--reedit-messa=*|\
224 --reedit-messag=*|--reedit-message=*)
225 log_given=t$log_given
226 use_commit=`expr "z$1" : 'z-[^=]*=\(.*\)'`
227 no_edit=
228 shift
229 ;;
230 --ree|--reed|--reedi|--reedit|--reedit-|--reedit-m|--reedit-me|\
231 --reedit-mes|--reedit-mess|--reedit-messa|--reedit-messag|--reedit-message)
232 case "$#" in 1) usage ;; esac
233 shift
234 log_given=t$log_given
235 use_commit="$1"
236 no_edit=
237 shift
238 ;;
239 -C)
240 case "$#" in 1) usage ;; esac
241 shift
242 log_given=t$log_given
243 use_commit="$1"
244 no_edit=t
245 shift
246 ;;
247 --reu=*|--reus=*|--reuse=*|--reuse-=*|--reuse-m=*|--reuse-me=*|\
248 --reuse-mes=*|--reuse-mess=*|--reuse-messa=*|--reuse-messag=*|\
249 --reuse-message=*)
250 log_given=t$log_given
251 use_commit=`expr "z$1" : 'z-[^=]*=\(.*\)'`
252 no_edit=t
253 shift
254 ;;
255 --reu|--reus|--reuse|--reuse-|--reuse-m|--reuse-me|--reuse-mes|\
256 --reuse-mess|--reuse-messa|--reuse-messag|--reuse-message)
257 case "$#" in 1) usage ;; esac
258 shift
259 log_given=t$log_given
260 use_commit="$1"
261 no_edit=t
262 shift
263 ;;
264 -s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
265 signoff=t
266 shift
267 ;;
268 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
269 verbose=t
270 shift
271 ;;
272 -u|--u|--un|--unt|--untr|--untra|--untrac|--untrack|--untracke|--untracked|\
273 --untracked-|--untracked-f|--untracked-fi|--untracked-fil|--untracked-file|\
274 --untracked-files)
275 untracked_files=t
276 shift
277 ;;
278 --)
279 shift
280 break
281 ;;
282 -*)
283 usage
284 ;;
285 *)
286 break
287 ;;
288 esac
289done
290case "$edit_flag" in t) no_edit= ;; esac
291################################################################
293# Sanity check options
294case "$amend,$initial_commit" in
296t,t)
297 die "You do not have anything to amend." ;;
298t,)
299 if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
300 die "You are in the middle of a merge -- cannot amend."
301 fi ;;
302esac
303case "$log_given" in
305tt*)
306 die "Only one of -c/-C/-F can be used." ;;
307*tm*|*mt*)
308 die "Option -m cannot be combined with -c/-C/-F." ;;
309esac
310case "$#,$also,$only,$amend" in
312*,t,t,*)
313 die "Only one of --include/--only can be used." ;;
3140,t,,* | 0,,t,)
315 die "No paths with --include/--only does not make sense." ;;
3160,,t,t)
317 only_include_assumed="# Clever... amending the last one with dirty index." ;;
3180,,,*)
319 ;;
320*,,,*)
321 only_include_assumed="# Explicit paths specified without -i nor -o; assuming --only paths..."
322 also=
323 ;;
324esac
325unset only
326case "$all,$also,$#" in
327t,t,*)
328 die "Cannot use -a and -i at the same time." ;;
329t,,[1-9]*)
330 die "Paths with -a does not make sense." ;;
331,t,0)
332 die "No paths with -i does not make sense." ;;
333esac
334################################################################
336# Prepare index to have a tree to be committed
337TOP=`git-rev-parse --show-cdup`
339if test -z "$TOP"
340then
341 TOP=./
342fi
343case "$all,$also" in
345t,)
346 save_index &&
347 (
348 cd "$TOP"
349 GIT_INDEX_FILE="$NEXT_INDEX"
350 export GIT_INDEX_FILE
351 git-diff-files --name-only -z |
352 git-update-index --remove -z --stdin
353 )
354 ;;
355,t)
356 save_index &&
357 git-ls-files --error-unmatch -- "$@" >/dev/null || exit
358 git-diff-files --name-only -z -- "$@" |
360 (
361 cd "$TOP"
362 GIT_INDEX_FILE="$NEXT_INDEX"
363 export GIT_INDEX_FILE
364 git-update-index --remove -z --stdin
365 )
366 ;;
367,)
368 case "$#" in
369 0)
370 ;; # commit as-is
371 *)
372 if test -f "$GIT_DIR/MERGE_HEAD"
373 then
374 refuse_partial "Cannot do a partial commit during a merge."
375 fi
376 TMP_INDEX="$GIT_DIR/tmp-index$$"
377 if test -z "$initial_commit"
378 then
379 # make sure index is clean at the specified paths, or
380 # they are additions.
381 dirty_in_index=`git-diff-index --cached --name-status \
382 --diff-filter=DMTU HEAD -- "$@"`
383 test -z "$dirty_in_index" ||
384 refuse_partial "Different in index and the last commit:
385$dirty_in_index"
386 fi
387 commit_only=`git-ls-files --error-unmatch -- "$@"` || exit
388 # Build the temporary index and update the real index
390 # the same way.
391 if test -z "$initial_commit"
392 then
393 cp "$THIS_INDEX" "$TMP_INDEX"
394 GIT_INDEX_FILE="$TMP_INDEX" git-read-tree -m HEAD
395 else
396 rm -f "$TMP_INDEX"
397 fi || exit
398 echo "$commit_only" |
400 GIT_INDEX_FILE="$TMP_INDEX" \
401 git-update-index --add --remove --stdin &&
402 save_index &&
404 echo "$commit_only" |
405 (
406 GIT_INDEX_FILE="$NEXT_INDEX"
407 export GIT_INDEX_FILE
408 git-update-index --remove --stdin
409 ) || exit
410 ;;
411 esac
412 ;;
413esac
414################################################################
416# If we do as-is commit, the index file will be THIS_INDEX,
417# otherwise NEXT_INDEX after we make this commit. We leave
418# the index as is if we abort.
419if test -f "$NEXT_INDEX"
421then
422 USE_INDEX="$NEXT_INDEX"
423else
424 USE_INDEX="$THIS_INDEX"
425fi
426GIT_INDEX_FILE="$USE_INDEX" \
428 git-update-index -q $unmerged_ok_if_status --refresh || exit
429################################################################
431# If the request is status, just show it and exit.
432case "$0" in
434*status)
435 run_status
436 exit $?
437esac
438################################################################
440# Grab commit message, write out tree and make commit.
441if test t = "$verify" && test -x "$GIT_DIR"/hooks/pre-commit
443then
444 if test "$TMP_INDEX"
445 then
446 GIT_INDEX_FILE="$TMP_INDEX" "$GIT_DIR"/hooks/pre-commit
447 else
448 GIT_INDEX_FILE="$USE_INDEX" "$GIT_DIR"/hooks/pre-commit
449 fi || exit
450fi
451if test "$log_message" != ''
453then
454 echo "$log_message"
455elif test "$logfile" != ""
456then
457 if test "$logfile" = -
458 then
459 test -t 0 &&
460 echo >&2 "(reading log message from standard input)"
461 cat
462 else
463 cat <"$logfile"
464 fi
465elif test "$use_commit" != ""
466then
467 git-cat-file commit "$use_commit" | sed -e '1,/^$/d'
468elif test -f "$GIT_DIR/MERGE_HEAD" && test -f "$GIT_DIR/MERGE_MSG"
469then
470 cat "$GIT_DIR/MERGE_MSG"
471elif test -f "$GIT_DIR/SQUASH_MSG"
472then
473 cat "$GIT_DIR/SQUASH_MSG"
474fi | git-stripspace >"$GIT_DIR"/COMMIT_EDITMSG
475case "$signoff" in
477t)
478 {
479 echo
480 git-var GIT_COMMITTER_IDENT | sed -e '
481 s/>.*/>/
482 s/^/Signed-off-by: /
483 '
484 } >>"$GIT_DIR"/COMMIT_EDITMSG
485 ;;
486esac
487if test -f "$GIT_DIR/MERGE_HEAD" && test -z "$no_edit"; then
489 echo "#"
490 echo "# It looks like you may be committing a MERGE."
491 echo "# If this is not correct, please remove the file"
492 echo "# $GIT_DIR/MERGE_HEAD"
493 echo "# and try again"
494 echo "#"
495fi >>"$GIT_DIR"/COMMIT_EDITMSG
496# Author
498if test '' != "$force_author"
499then
500 GIT_AUTHOR_NAME=`expr "z$force_author" : 'z\(.*[^ ]\) *<.*'` &&
501 GIT_AUTHOR_EMAIL=`expr "z$force_author" : '.*\(<.*\)'` &&
502 test '' != "$GIT_AUTHOR_NAME" &&
503 test '' != "$GIT_AUTHOR_EMAIL" ||
504 die "malformed --author parameter"
505 export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
506elif test '' != "$use_commit"
507then
508 pick_author_script='
509 /^author /{
510 s/'\''/'\''\\'\'\''/g
511 h
512 s/^author \([^<]*\) <[^>]*> .*$/\1/
513 s/'\''/'\''\'\'\''/g
514 s/.*/GIT_AUTHOR_NAME='\''&'\''/p
515 g
517 s/^author [^<]* <\([^>]*\)> .*$/\1/
518 s/'\''/'\''\'\'\''/g
519 s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
520 g
522 s/^author [^<]* <[^>]*> \(.*\)$/\1/
523 s/'\''/'\''\'\'\''/g
524 s/.*/GIT_AUTHOR_DATE='\''&'\''/p
525 q
527 }
528 '
529 set_author_env=`git-cat-file commit "$use_commit" |
530 LANG=C LC_ALL=C sed -ne "$pick_author_script"`
531 eval "$set_author_env"
532 export GIT_AUTHOR_NAME
533 export GIT_AUTHOR_EMAIL
534 export GIT_AUTHOR_DATE
535fi
536PARENTS="-p HEAD"
538if test -z "$initial_commit"
539then
540 rloga='commit'
541 if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
542 rloga='commit (merge)'
543 PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
544 elif test -n "$amend"; then
545 rloga='commit (amend)'
546 PARENTS=$(git-cat-file commit HEAD |
547 sed -n -e '/^$/q' -e 's/^parent /-p /p')
548 fi
549 current=$(git-rev-parse --verify HEAD)
550else
551 if [ -z "$(git-ls-files)" ]; then
552 echo >&2 Nothing to commit
553 exit 1
554 fi
555 PARENTS=""
556 current=
557 rloga='commit (initial)'
558fi
559if test -z "$no_edit"
561then
562 {
563 echo ""
564 echo "# Please enter the commit message for your changes."
565 echo "# (Comment lines starting with '#' will not be included)"
566 test -z "$only_include_assumed" || echo "$only_include_assumed"
567 run_status
568 } >>"$GIT_DIR"/COMMIT_EDITMSG
569else
570 # we need to check if there is anything to commit
571 run_status >/dev/null
572fi
573if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" -a -z "$amend" ]
574then
575 rm -f "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
576 run_status
577 exit 1
578fi
579case "$no_edit" in
581'')
582 case "${VISUAL:-$EDITOR},$TERM" in
583 ,dumb)
584 echo >&2 "Terminal is dumb but no VISUAL nor EDITOR defined."
585 echo >&2 "Please supply the commit log message using either"
586 echo >&2 "-m or -F option. A boilerplate log message has"
587 echo >&2 "been prepared in $GIT_DIR/COMMIT_EDITMSG"
588 exit 1
589 ;;
590 esac
591 git-var GIT_AUTHOR_IDENT > /dev/null || die
592 git-var GIT_COMMITTER_IDENT > /dev/null || die
593 ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR/COMMIT_EDITMSG"
594 ;;
595esac
596case "$verify" in
598t)
599 if test -x "$GIT_DIR"/hooks/commit-msg
600 then
601 "$GIT_DIR"/hooks/commit-msg "$GIT_DIR"/COMMIT_EDITMSG || exit
602 fi
603esac
604if test -z "$no_edit"
606then
607 sed -e '
608 /^diff --git a\/.*/{
609 s///
610 q
611 }
612 /^#/d
613 ' "$GIT_DIR"/COMMIT_EDITMSG
614else
615 cat "$GIT_DIR"/COMMIT_EDITMSG
616fi |
617git-stripspace >"$GIT_DIR"/COMMIT_MSG
618if cnt=`grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG |
620 git-stripspace |
621 wc -l` &&
622 test 0 -lt $cnt
623then
624 if test -z "$TMP_INDEX"
625 then
626 tree=$(GIT_INDEX_FILE="$USE_INDEX" git-write-tree)
627 else
628 tree=$(GIT_INDEX_FILE="$TMP_INDEX" git-write-tree) &&
629 rm -f "$TMP_INDEX"
630 fi &&
631 commit=$(cat "$GIT_DIR"/COMMIT_MSG | git-commit-tree $tree $PARENTS) &&
632 rlogm=$(sed -e 1q "$GIT_DIR"/COMMIT_MSG) &&
633 git-update-ref -m "$rloga: $rlogm" HEAD $commit $current &&
634 rm -f -- "$GIT_DIR/MERGE_HEAD" &&
635 if test -f "$NEXT_INDEX"
636 then
637 mv "$NEXT_INDEX" "$THIS_INDEX"
638 else
639 : ;# happy
640 fi
641else
642 echo >&2 "* no commit message? aborting commit."
643 false
644fi
645ret="$?"
646rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
647if test -d "$GIT_DIR/rr-cache"
648then
649 git-rerere
650fi
651if test -x "$GIT_DIR"/hooks/post-commit && test "$ret" = 0
653then
654 "$GIT_DIR"/hooks/post-commit
655fi
656exit "$ret"