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
11case "$0" in
13*status)
14 status_only=t
15 unmerged_ok_if_status=--unmerged ;;
16*commit)
17 status_only=
18 unmerged_ok_if_status= ;;
19esac
20refuse_partial () {
22 echo >&2 "$1"
23 echo >&2 "You might have meant to say 'git commit -i paths...', perhaps?"
24 exit 1
25}
26THIS_INDEX="$GIT_DIR/index"
28NEXT_INDEX="$GIT_DIR/next-index$$"
29rm -f "$NEXT_INDEX"
30save_index () {
31 cp -p "$THIS_INDEX" "$NEXT_INDEX"
32}
33run_status () {
35 # If TMP_INDEX is defined, that means we are doing
36 # "--only" partial commit, and that index file is used
37 # to build the tree for the commit. Otherwise, if
38 # NEXT_INDEX exists, that is the index file used to
39 # make the commit. Otherwise we are using as-is commit
40 # so the regular index file is what we use to compare.
41 if test '' != "$TMP_INDEX"
42 then
43 GIT_INDEX_FILE="$TMP_INDEX"
44 export GIT_INDEX_FILE
45 elif test -f "$NEXT_INDEX"
46 then
47 GIT_INDEX_FILE="$NEXT_INDEX"
48 export GIT_INDEX_FILE
49 fi
50 case "$status_only" in
52 t) color= ;;
53 *) color=--nocolor ;;
54 esac
55 git-runstatus ${color} \
56 ${verbose:+--verbose} \
57 ${amend:+--amend} \
58 ${untracked_files:+--untracked}
59}
60trap '
62 test -z "$TMP_INDEX" || {
63 test -f "$TMP_INDEX" && rm -f "$TMP_INDEX"
64 }
65 rm -f "$NEXT_INDEX"
66' 0
67################################################################
69# Command line argument parsing and sanity checking
70all=
72also=
73only=
74logfile=
75use_commit=
76amend=
77edit_flag=
78no_edit=
79log_given=
80log_message=
81verify=t
82quiet=
83verbose=
84signoff=
85force_author=
86only_include_assumed=
87untracked_files=
88while case "$#" in 0) break;; esac
89do
90 case "$1" in
91 -F|--F|-f|--f|--fi|--fil|--file)
92 case "$#" in 1) usage ;; esac
93 shift
94 no_edit=t
95 log_given=t$log_given
96 logfile="$1"
97 shift
98 ;;
99 -F*|-f*)
100 no_edit=t
101 log_given=t$log_given
102 logfile=`expr "z$1" : 'z-[Ff]\(.*\)'`
103 shift
104 ;;
105 --F=*|--f=*|--fi=*|--fil=*|--file=*)
106 no_edit=t
107 log_given=t$log_given
108 logfile=`expr "z$1" : 'z-[^=]*=\(.*\)'`
109 shift
110 ;;
111 -a|--a|--al|--all)
112 all=t
113 shift
114 ;;
115 --au=*|--aut=*|--auth=*|--autho=*|--author=*)
116 force_author=`expr "z$1" : 'z-[^=]*=\(.*\)'`
117 shift
118 ;;
119 --au|--aut|--auth|--autho|--author)
120 case "$#" in 1) usage ;; esac
121 shift
122 force_author="$1"
123 shift
124 ;;
125 -e|--e|--ed|--edi|--edit)
126 edit_flag=t
127 shift
128 ;;
129 -i|--i|--in|--inc|--incl|--inclu|--includ|--include)
130 also=t
131 shift
132 ;;
133 -o|--o|--on|--onl|--only)
134 only=t
135 shift
136 ;;
137 -m|--m|--me|--mes|--mess|--messa|--messag|--message)
138 case "$#" in 1) usage ;; esac
139 shift
140 log_given=m$log_given
141 if test "$log_message" = ''
142 then
143 log_message="$1"
144 else
145 log_message="$log_message
146$1"
148 fi
149 no_edit=t
150 shift
151 ;;
152 -m*)
153 log_given=m$log_given
154 if test "$log_message" = ''
155 then
156 log_message=`expr "z$1" : 'z-m\(.*\)'`
157 else
158 log_message="$log_message
159`expr "z$1" : 'z-m\(.*\)'`"
161 fi
162 no_edit=t
163 shift
164 ;;
165 --m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*)
166 log_given=m$log_given
167 if test "$log_message" = ''
168 then
169 log_message=`expr "z$1" : 'z-[^=]*=\(.*\)'`
170 else
171 log_message="$log_message
172`expr "z$1" : 'zq-[^=]*=\(.*\)'`"
174 fi
175 no_edit=t
176 shift
177 ;;
178 -n|--n|--no|--no-|--no-v|--no-ve|--no-ver|--no-veri|--no-verif|\
179 --no-verify)
180 verify=
181 shift
182 ;;
183 --a|--am|--ame|--amen|--amend)
184 amend=t
185 log_given=t$log_given
186 use_commit=HEAD
187 shift
188 ;;
189 -c)
190 case "$#" in 1) usage ;; esac
191 shift
192 log_given=t$log_given
193 use_commit="$1"
194 no_edit=
195 shift
196 ;;
197 --ree=*|--reed=*|--reedi=*|--reedit=*|--reedit-=*|--reedit-m=*|\
198 --reedit-me=*|--reedit-mes=*|--reedit-mess=*|--reedit-messa=*|\
199 --reedit-messag=*|--reedit-message=*)
200 log_given=t$log_given
201 use_commit=`expr "z$1" : 'z-[^=]*=\(.*\)'`
202 no_edit=
203 shift
204 ;;
205 --ree|--reed|--reedi|--reedit|--reedit-|--reedit-m|--reedit-me|\
206 --reedit-mes|--reedit-mess|--reedit-messa|--reedit-messag|\
207 --reedit-message)
208 case "$#" in 1) usage ;; esac
209 shift
210 log_given=t$log_given
211 use_commit="$1"
212 no_edit=
213 shift
214 ;;
215 -C)
216 case "$#" in 1) usage ;; esac
217 shift
218 log_given=t$log_given
219 use_commit="$1"
220 no_edit=t
221 shift
222 ;;
223 --reu=*|--reus=*|--reuse=*|--reuse-=*|--reuse-m=*|--reuse-me=*|\
224 --reuse-mes=*|--reuse-mess=*|--reuse-messa=*|--reuse-messag=*|\
225 --reuse-message=*)
226 log_given=t$log_given
227 use_commit=`expr "z$1" : 'z-[^=]*=\(.*\)'`
228 no_edit=t
229 shift
230 ;;
231 --reu|--reus|--reuse|--reuse-|--reuse-m|--reuse-me|--reuse-mes|\
232 --reuse-mess|--reuse-messa|--reuse-messag|--reuse-message)
233 case "$#" in 1) usage ;; esac
234 shift
235 log_given=t$log_given
236 use_commit="$1"
237 no_edit=t
238 shift
239 ;;
240 -s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
241 signoff=t
242 shift
243 ;;
244 -q|--q|--qu|--qui|--quie|--quiet)
245 quiet=t
246 shift
247 ;;
248 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
249 verbose=t
250 shift
251 ;;
252 -u|--u|--un|--unt|--untr|--untra|--untrac|--untrack|--untracke|\
253 --untracked|--untracked-|--untracked-f|--untracked-fi|--untracked-fil|\
254 --untracked-file|--untracked-files)
255 untracked_files=t
256 shift
257 ;;
258 --)
259 shift
260 break
261 ;;
262 -*)
263 usage
264 ;;
265 *)
266 break
267 ;;
268 esac
269done
270case "$edit_flag" in t) no_edit= ;; esac
271################################################################
273# Sanity check options
274case "$amend,$initial_commit" in
276t,t)
277 die "You do not have anything to amend." ;;
278t,)
279 if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
280 die "You are in the middle of a merge -- cannot amend."
281 fi ;;
282esac
283case "$log_given" in
285tt*)
286 die "Only one of -c/-C/-F can be used." ;;
287*tm*|*mt*)
288 die "Option -m cannot be combined with -c/-C/-F." ;;
289esac
290case "$#,$also,$only,$amend" in
292*,t,t,*)
293 die "Only one of --include/--only can be used." ;;
2940,t,,* | 0,,t,)
295 die "No paths with --include/--only does not make sense." ;;
2960,,t,t)
297 only_include_assumed="# Clever... amending the last one with dirty index." ;;
2980,,,*)
299 ;;
300*,,,*)
301 only_include_assumed="# Explicit paths specified without -i nor -o; assuming --only paths..."
302 also=
303 ;;
304esac
305unset only
306case "$all,$also,$#" in
307t,t,*)
308 die "Cannot use -a and -i at the same time." ;;
309t,,[1-9]*)
310 die "Paths with -a does not make sense." ;;
311,t,0)
312 die "No paths with -i does not make sense." ;;
313esac
314################################################################
316# Prepare index to have a tree to be committed
317TOP=`git-rev-parse --show-cdup`
319if test -z "$TOP"
320then
321 TOP=./
322fi
323case "$all,$also" in
325t,)
326 save_index &&
327 (
328 cd "$TOP"
329 GIT_INDEX_FILE="$NEXT_INDEX"
330 export GIT_INDEX_FILE
331 git-diff-files --name-only -z |
332 git-update-index --remove -z --stdin
333 )
334 ;;
335,t)
336 save_index &&
337 git-ls-files --error-unmatch -- "$@" >/dev/null || exit
338 git-diff-files --name-only -z -- "$@" |
340 (
341 cd "$TOP"
342 GIT_INDEX_FILE="$NEXT_INDEX"
343 export GIT_INDEX_FILE
344 git-update-index --remove -z --stdin
345 )
346 ;;
347,)
348 case "$#" in
349 0)
350 ;; # commit as-is
351 *)
352 if test -f "$GIT_DIR/MERGE_HEAD"
353 then
354 refuse_partial "Cannot do a partial commit during a merge."
355 fi
356 TMP_INDEX="$GIT_DIR/tmp-index$$"
357 commit_only=`git-ls-files --error-unmatch -- "$@"` || exit
358 # Build a temporary index and update the real index
360 # the same way.
361 if test -z "$initial_commit"
362 then
363 cp "$THIS_INDEX" "$TMP_INDEX"
364 GIT_INDEX_FILE="$TMP_INDEX" git-read-tree -m HEAD
365 else
366 rm -f "$TMP_INDEX"
367 fi || exit
368 echo "$commit_only" |
370 GIT_INDEX_FILE="$TMP_INDEX" \
371 git-update-index --add --remove --stdin &&
372 save_index &&
374 echo "$commit_only" |
375 (
376 GIT_INDEX_FILE="$NEXT_INDEX"
377 export GIT_INDEX_FILE
378 git-update-index --remove --stdin
379 ) || exit
380 ;;
381 esac
382 ;;
383esac
384################################################################
386# If we do as-is commit, the index file will be THIS_INDEX,
387# otherwise NEXT_INDEX after we make this commit. We leave
388# the index as is if we abort.
389if test -f "$NEXT_INDEX"
391then
392 USE_INDEX="$NEXT_INDEX"
393else
394 USE_INDEX="$THIS_INDEX"
395fi
396GIT_INDEX_FILE="$USE_INDEX" \
398 git-update-index -q $unmerged_ok_if_status --refresh || exit
399################################################################
401# If the request is status, just show it and exit.
402case "$0" in
404*status)
405 run_status
406 exit $?
407esac
408################################################################
410# Grab commit message, write out tree and make commit.
411if test t = "$verify" && test -x "$GIT_DIR"/hooks/pre-commit
413then
414 if test "$TMP_INDEX"
415 then
416 GIT_INDEX_FILE="$TMP_INDEX" "$GIT_DIR"/hooks/pre-commit
417 else
418 GIT_INDEX_FILE="$USE_INDEX" "$GIT_DIR"/hooks/pre-commit
419 fi || exit
420fi
421if test "$log_message" != ''
423then
424 echo "$log_message"
425elif test "$logfile" != ""
426then
427 if test "$logfile" = -
428 then
429 test -t 0 &&
430 echo >&2 "(reading log message from standard input)"
431 cat
432 else
433 cat <"$logfile"
434 fi
435elif test "$use_commit" != ""
436then
437 git-cat-file commit "$use_commit" | sed -e '1,/^$/d'
438elif test -f "$GIT_DIR/MERGE_MSG"
439then
440 cat "$GIT_DIR/MERGE_MSG"
441elif test -f "$GIT_DIR/SQUASH_MSG"
442then
443 cat "$GIT_DIR/SQUASH_MSG"
444fi | git-stripspace >"$GIT_DIR"/COMMIT_EDITMSG
445case "$signoff" in
447t)
448 {
449 echo
450 git-var GIT_COMMITTER_IDENT | sed -e '
451 s/>.*/>/
452 s/^/Signed-off-by: /
453 '
454 } >>"$GIT_DIR"/COMMIT_EDITMSG
455 ;;
456esac
457if test -f "$GIT_DIR/MERGE_HEAD" && test -z "$no_edit"; then
459 echo "#"
460 echo "# It looks like you may be committing a MERGE."
461 echo "# If this is not correct, please remove the file"
462 echo "# $GIT_DIR/MERGE_HEAD"
463 echo "# and try again"
464 echo "#"
465fi >>"$GIT_DIR"/COMMIT_EDITMSG
466# Author
468if test '' != "$force_author"
469then
470 GIT_AUTHOR_NAME=`expr "z$force_author" : 'z\(.*[^ ]\) *<.*'` &&
471 GIT_AUTHOR_EMAIL=`expr "z$force_author" : '.*\(<.*\)'` &&
472 test '' != "$GIT_AUTHOR_NAME" &&
473 test '' != "$GIT_AUTHOR_EMAIL" ||
474 die "malformed --author parameter"
475 export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
476elif test '' != "$use_commit"
477then
478 pick_author_script='
479 /^author /{
480 s/'\''/'\''\\'\'\''/g
481 h
482 s/^author \([^<]*\) <[^>]*> .*$/\1/
483 s/'\''/'\''\'\'\''/g
484 s/.*/GIT_AUTHOR_NAME='\''&'\''/p
485 g
487 s/^author [^<]* <\([^>]*\)> .*$/\1/
488 s/'\''/'\''\'\'\''/g
489 s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
490 g
492 s/^author [^<]* <[^>]*> \(.*\)$/\1/
493 s/'\''/'\''\'\'\''/g
494 s/.*/GIT_AUTHOR_DATE='\''&'\''/p
495 q
497 }
498 '
499 set_author_env=`git-cat-file commit "$use_commit" |
500 LANG=C LC_ALL=C sed -ne "$pick_author_script"`
501 eval "$set_author_env"
502 export GIT_AUTHOR_NAME
503 export GIT_AUTHOR_EMAIL
504 export GIT_AUTHOR_DATE
505fi
506PARENTS="-p HEAD"
508if test -z "$initial_commit"
509then
510 rloga='commit'
511 if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
512 rloga='commit (merge)'
513 PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
514 elif test -n "$amend"; then
515 rloga='commit (amend)'
516 PARENTS=$(git-cat-file commit HEAD |
517 sed -n -e '/^$/q' -e 's/^parent /-p /p')
518 fi
519 current="$(git-rev-parse --verify HEAD)"
520else
521 if [ -z "$(git-ls-files)" ]; then
522 echo >&2 'nothing to commit (use "git add file1 file2" to include for commit)'
523 exit 1
524 fi
525 PARENTS=""
526 rloga='commit (initial)'
527 current=''
528fi
529if test -z "$no_edit"
531then
532 {
533 echo ""
534 echo "# Please enter the commit message for your changes."
535 echo "# (Comment lines starting with '#' will not be included)"
536 test -z "$only_include_assumed" || echo "$only_include_assumed"
537 run_status
538 } >>"$GIT_DIR"/COMMIT_EDITMSG
539else
540 # we need to check if there is anything to commit
541 run_status >/dev/null
542fi
543if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" -a -z "$amend" ]
544then
545 rm -f "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
546 run_status
547 exit 1
548fi
549case "$no_edit" in
551'')
552 case "${VISUAL:-$EDITOR},$TERM" in
553 ,dumb)
554 echo >&2 "Terminal is dumb but no VISUAL nor EDITOR defined."
555 echo >&2 "Please supply the commit log message using either"
556 echo >&2 "-m or -F option. A boilerplate log message has"
557 echo >&2 "been prepared in $GIT_DIR/COMMIT_EDITMSG"
558 exit 1
559 ;;
560 esac
561 git-var GIT_AUTHOR_IDENT > /dev/null || die
562 git-var GIT_COMMITTER_IDENT > /dev/null || die
563 ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR/COMMIT_EDITMSG"
564 ;;
565esac
566case "$verify" in
568t)
569 if test -x "$GIT_DIR"/hooks/commit-msg
570 then
571 "$GIT_DIR"/hooks/commit-msg "$GIT_DIR"/COMMIT_EDITMSG || exit
572 fi
573esac
574if test -z "$no_edit"
576then
577 sed -e '
578 /^diff --git a\/.*/{
579 s///
580 q
581 }
582 /^#/d
583 ' "$GIT_DIR"/COMMIT_EDITMSG
584else
585 cat "$GIT_DIR"/COMMIT_EDITMSG
586fi |
587git-stripspace >"$GIT_DIR"/COMMIT_MSG
588if cnt=`grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG |
590 git-stripspace |
591 wc -l` &&
592 test 0 -lt $cnt
593then
594 if test -z "$TMP_INDEX"
595 then
596 tree=$(GIT_INDEX_FILE="$USE_INDEX" git-write-tree)
597 else
598 tree=$(GIT_INDEX_FILE="$TMP_INDEX" git-write-tree) &&
599 rm -f "$TMP_INDEX"
600 fi &&
601 commit=$(cat "$GIT_DIR"/COMMIT_MSG | git-commit-tree $tree $PARENTS) &&
602 rlogm=$(sed -e 1q "$GIT_DIR"/COMMIT_MSG) &&
603 git-update-ref -m "$rloga: $rlogm" HEAD $commit "$current" &&
604 rm -f -- "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/MERGE_MSG" &&
605 if test -f "$NEXT_INDEX"
606 then
607 mv "$NEXT_INDEX" "$THIS_INDEX"
608 else
609 : ;# happy
610 fi
611else
612 echo >&2 "* no commit message? aborting commit."
613 false
614fi
615ret="$?"
616rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
617if test -d "$GIT_DIR/rr-cache"
618then
619 git-rerere
620fi
621if test "$ret" = 0
623then
624 if test -x "$GIT_DIR"/hooks/post-commit
625 then
626 "$GIT_DIR"/hooks/post-commit
627 fi
628 if test -z "$quiet"
629 then
630 echo "Created${initial_commit:+ initial} commit $commit"
631 git-diff-tree --shortstat --summary --root --no-commit-id HEAD
632 fi
633fi
634exit "$ret"