1#!/bin/sh
2#
3# Copyright (c) 2005 Linus Torvalds
4# Copyright (c) 2006 Junio C Hamano
5USAGE='[-a | --interactive] [-s] [-v] [--no-verify] [-m <message> | -F <logfile> | (-C|-c) <commit> | --amend] [-u] [-e] [--author <author>] [--template <file>] [[-i | -o] <path>...]'
7SUBDIRECTORY_OK=Yes
8. git-sh-setup
9require_work_tree
10git rev-parse --verify HEAD >/dev/null 2>&1 || initial_commit=t
12case "$0" in
14*status)
15 status_only=t
16 ;;
17*commit)
18 status_only=
19 ;;
20esac
21refuse_partial () {
23 echo >&2 "$1"
24 echo >&2 "You might have meant to say 'git commit -i paths...', perhaps?"
25 exit 1
26}
27TMP_INDEX=
29THIS_INDEX="$GIT_DIR/index"
30NEXT_INDEX="$GIT_DIR/next-index$$"
31rm -f "$NEXT_INDEX"
32save_index () {
33 cp -p "$THIS_INDEX" "$NEXT_INDEX"
34}
35run_status () {
37 # If TMP_INDEX is defined, that means we are doing
38 # "--only" partial commit, and that index file is used
39 # to build the tree for the commit. Otherwise, if
40 # NEXT_INDEX exists, that is the index file used to
41 # make the commit. Otherwise we are using as-is commit
42 # so the regular index file is what we use to compare.
43 if test '' != "$TMP_INDEX"
44 then
45 GIT_INDEX_FILE="$TMP_INDEX"
46 export GIT_INDEX_FILE
47 elif test -f "$NEXT_INDEX"
48 then
49 GIT_INDEX_FILE="$NEXT_INDEX"
50 export GIT_INDEX_FILE
51 fi
52 if test "$status_only" = "t" -o "$use_status_color" = "t"; then
54 color=
55 else
56 color=--nocolor
57 fi
58 git runstatus ${color} \
59 ${verbose:+--verbose} \
60 ${amend:+--amend} \
61 ${untracked_files:+--untracked}
62}
63trap '
65 test -z "$TMP_INDEX" || {
66 test -f "$TMP_INDEX" && rm -f "$TMP_INDEX"
67 }
68 rm -f "$NEXT_INDEX"
69' 0
70################################################################
72# Command line argument parsing and sanity checking
73all=
75also=
76interactive=
77only=
78logfile=
79use_commit=
80amend=
81edit_flag=
82no_edit=
83log_given=
84log_message=
85verify=t
86quiet=
87verbose=
88signoff=
89force_author=
90only_include_assumed=
91untracked_files=
92templatefile="`git config commit.template`"
93while test $# != 0
94do
95 case "$1" in
96 -F|--F|-f|--f|--fi|--fil|--file)
97 case "$#" in 1) usage ;; esac
98 shift
99 no_edit=t
100 log_given=t$log_given
101 logfile="$1"
102 ;;
103 -F*|-f*)
104 no_edit=t
105 log_given=t$log_given
106 logfile="${1#-[Ff]}"
107 ;;
108 --F=*|--f=*|--fi=*|--fil=*|--file=*)
109 no_edit=t
110 log_given=t$log_given
111 logfile="${1#*=}"
112 ;;
113 -a|--a|--al|--all)
114 all=t
115 ;;
116 --au=*|--aut=*|--auth=*|--autho=*|--author=*)
117 force_author="${1#*=}"
118 ;;
119 --au|--aut|--auth|--autho|--author)
120 case "$#" in 1) usage ;; esac
121 shift
122 force_author="$1"
123 ;;
124 -e|--e|--ed|--edi|--edit)
125 edit_flag=t
126 ;;
127 -i|--i|--in|--inc|--incl|--inclu|--includ|--include)
128 also=t
129 ;;
130 --int|--inte|--inter|--intera|--interac|--interact|--interacti|\
131 --interactiv|--interactive)
132 interactive=t
133 ;;
134 -o|--o|--on|--onl|--only)
135 only=t
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 log_message="${log_message:+${log_message}
142}$1"
144 no_edit=t
145 ;;
146 -m*)
147 log_given=m$log_given
148 log_message="${log_message:+${log_message}
149}${1#-m}"
151 no_edit=t
152 ;;
153 --m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*)
154 log_given=m$log_given
155 log_message="${log_message:+${log_message}
156}${1#*=}"
158 no_edit=t
159 ;;
160 -n|--n|--no|--no-|--no-v|--no-ve|--no-ver|--no-veri|--no-verif|\
161 --no-verify)
162 verify=
163 ;;
164 --a|--am|--ame|--amen|--amend)
165 amend=t
166 use_commit=HEAD
167 ;;
168 -c)
169 case "$#" in 1) usage ;; esac
170 shift
171 log_given=t$log_given
172 use_commit="$1"
173 no_edit=
174 ;;
175 --ree=*|--reed=*|--reedi=*|--reedit=*|--reedit-=*|--reedit-m=*|\
176 --reedit-me=*|--reedit-mes=*|--reedit-mess=*|--reedit-messa=*|\
177 --reedit-messag=*|--reedit-message=*)
178 log_given=t$log_given
179 use_commit="${1#*=}"
180 no_edit=
181 ;;
182 --ree|--reed|--reedi|--reedit|--reedit-|--reedit-m|--reedit-me|\
183 --reedit-mes|--reedit-mess|--reedit-messa|--reedit-messag|\
184 --reedit-message)
185 case "$#" in 1) usage ;; esac
186 shift
187 log_given=t$log_given
188 use_commit="$1"
189 no_edit=
190 ;;
191 -C)
192 case "$#" in 1) usage ;; esac
193 shift
194 log_given=t$log_given
195 use_commit="$1"
196 no_edit=t
197 ;;
198 --reu=*|--reus=*|--reuse=*|--reuse-=*|--reuse-m=*|--reuse-me=*|\
199 --reuse-mes=*|--reuse-mess=*|--reuse-messa=*|--reuse-messag=*|\
200 --reuse-message=*)
201 log_given=t$log_given
202 use_commit="${1#*=}"
203 no_edit=t
204 ;;
205 --reu|--reus|--reuse|--reuse-|--reuse-m|--reuse-me|--reuse-mes|\
206 --reuse-mess|--reuse-messa|--reuse-messag|--reuse-message)
207 case "$#" in 1) usage ;; esac
208 shift
209 log_given=t$log_given
210 use_commit="$1"
211 no_edit=t
212 ;;
213 -s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
214 signoff=t
215 ;;
216 -t|--t|--te|--tem|--temp|--templ|--templa|--templat|--template)
217 case "$#" in 1) usage ;; esac
218 shift
219 templatefile="$1"
220 no_edit=
221 ;;
222 -q|--q|--qu|--qui|--quie|--quiet)
223 quiet=t
224 ;;
225 -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
226 verbose=t
227 ;;
228 -u|--u|--un|--unt|--untr|--untra|--untrac|--untrack|--untracke|\
229 --untracked|--untracked-|--untracked-f|--untracked-fi|--untracked-fil|\
230 --untracked-file|--untracked-files)
231 untracked_files=t
232 ;;
233 --)
234 shift
235 break
236 ;;
237 -*)
238 usage
239 ;;
240 *)
241 break
242 ;;
243 esac
244 shift
245done
246case "$edit_flag" in t) no_edit= ;; esac
247################################################################
249# Sanity check options
250case "$amend,$initial_commit" in
252t,t)
253 die "You do not have anything to amend." ;;
254t,)
255 if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
256 die "You are in the middle of a merge -- cannot amend."
257 fi ;;
258esac
259case "$log_given" in
261tt*)
262 die "Only one of -c/-C/-F can be used." ;;
263*tm*|*mt*)
264 die "Option -m cannot be combined with -c/-C/-F." ;;
265esac
266case "$#,$also,$only,$amend" in
268*,t,t,*)
269 die "Only one of --include/--only can be used." ;;
2700,t,,* | 0,,t,)
271 die "No paths with --include/--only does not make sense." ;;
2720,,t,t)
273 only_include_assumed="# Clever... amending the last one with dirty index." ;;
2740,,,*)
275 ;;
276*,,,*)
277 only_include_assumed="# Explicit paths specified without -i nor -o; assuming --only paths..."
278 also=
279 ;;
280esac
281unset only
282case "$all,$interactive,$also,$#" in
283*t,*t,*)
284 die "Cannot use -a, --interactive or -i at the same time." ;;
285t,,[1-9]*)
286 die "Paths with -a does not make sense." ;;
287,t,[1-9]*)
288 die "Paths with --interactive does not make sense." ;;
289,,t,0)
290 die "No paths with -i does not make sense." ;;
291esac
292if test ! -z "$templatefile" -a -z "$log_given"
294then
295 if test ! -f "$templatefile"
296 then
297 die "Commit template file does not exist."
298 fi
299fi
300################################################################
302# Prepare index to have a tree to be committed
303case "$all,$also" in
305t,)
306 if test ! -f "$THIS_INDEX"
307 then
308 die 'nothing to commit (use "git add file1 file2" to include for commit)'
309 fi
310 save_index &&
311 (
312 cd_to_toplevel &&
313 GIT_INDEX_FILE="$NEXT_INDEX" &&
314 export GIT_INDEX_FILE &&
315 git diff-files --name-only -z |
316 git update-index --remove -z --stdin
317 ) || exit
318 ;;
319,t)
320 save_index &&
321 git ls-files --error-unmatch -- "$@" >/dev/null || exit
322 git diff-files --name-only -z -- "$@" |
324 (
325 cd_to_toplevel &&
326 GIT_INDEX_FILE="$NEXT_INDEX" &&
327 export GIT_INDEX_FILE &&
328 git update-index --remove -z --stdin
329 ) || exit
330 ;;
331,)
332 if test "$interactive" = t; then
333 git add --interactive || exit
334 fi
335 case "$#" in
336 0)
337 ;; # commit as-is
338 *)
339 if test -f "$GIT_DIR/MERGE_HEAD"
340 then
341 refuse_partial "Cannot do a partial commit during a merge."
342 fi
343 TMP_INDEX="$GIT_DIR/tmp-index$$"
345 W=
346 test -z "$initial_commit" && W=--with-tree=HEAD
347 commit_only=`git ls-files --error-unmatch $W -- "$@"` || exit
348 # Build a temporary index and update the real index
350 # the same way.
351 if test -z "$initial_commit"
352 then
353 GIT_INDEX_FILE="$THIS_INDEX" \
354 git read-tree --index-output="$TMP_INDEX" -i -m HEAD
355 else
356 rm -f "$TMP_INDEX"
357 fi || exit
358 printf '%s\n' "$commit_only" |
360 GIT_INDEX_FILE="$TMP_INDEX" \
361 git update-index --add --remove --stdin &&
362 save_index &&
364 printf '%s\n' "$commit_only" |
365 (
366 GIT_INDEX_FILE="$NEXT_INDEX"
367 export GIT_INDEX_FILE
368 git update-index --add --remove --stdin
369 ) || exit
370 ;;
371 esac
372 ;;
373esac
374################################################################
376# If we do as-is commit, the index file will be THIS_INDEX,
377# otherwise NEXT_INDEX after we make this commit. We leave
378# the index as is if we abort.
379if test -f "$NEXT_INDEX"
381then
382 USE_INDEX="$NEXT_INDEX"
383else
384 USE_INDEX="$THIS_INDEX"
385fi
386case "$status_only" in
388t)
389 # This will silently fail in a read-only repository, which is
390 # what we want.
391 GIT_INDEX_FILE="$USE_INDEX" git update-index -q --unmerged --refresh
392 run_status
393 exit $?
394 ;;
395'')
396 GIT_INDEX_FILE="$USE_INDEX" git update-index -q --refresh || exit
397 ;;
398esac
399################################################################
401# Grab commit message, write out tree and make commit.
402if test t = "$verify" && test -x "$GIT_DIR"/hooks/pre-commit
404then
405 GIT_INDEX_FILE="${TMP_INDEX:-${USE_INDEX}}" "$GIT_DIR"/hooks/pre-commit \
406 || exit
407fi
408if test "$log_message" != ''
410then
411 printf '%s\n' "$log_message"
412elif test "$logfile" != ""
413then
414 if test "$logfile" = -
415 then
416 test -t 0 &&
417 echo >&2 "(reading log message from standard input)"
418 cat
419 else
420 cat <"$logfile"
421 fi
422elif test "$use_commit" != ""
423then
424 encoding=$(git config i18n.commitencoding || echo UTF-8)
425 git show -s --pretty=raw --encoding="$encoding" "$use_commit" |
426 sed -e '1,/^$/d' -e 's/^ //'
427elif test -f "$GIT_DIR/MERGE_MSG"
428then
429 cat "$GIT_DIR/MERGE_MSG"
430elif test -f "$GIT_DIR/SQUASH_MSG"
431then
432 cat "$GIT_DIR/SQUASH_MSG"
433elif test "$templatefile" != ""
434then
435 cat "$templatefile"
436fi | git stripspace >"$GIT_DIR"/COMMIT_EDITMSG
437case "$signoff" in
439t)
440 sign=$(git-var GIT_COMMITTER_IDENT | sed -e '
441 s/>.*/>/
442 s/^/Signed-off-by: /
443 ')
444 blank_before_signoff=
445 tail -n 1 "$GIT_DIR"/COMMIT_EDITMSG |
446 grep 'Signed-off-by:' >/dev/null || blank_before_signoff='
447'
448 tail -n 1 "$GIT_DIR"/COMMIT_EDITMSG |
449 grep "$sign"$ >/dev/null ||
450 printf '%s%s\n' "$blank_before_signoff" "$sign" \
451 >>"$GIT_DIR"/COMMIT_EDITMSG
452 ;;
453esac
454if test -f "$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 printf '%s\n' "# $GIT_DIR/MERGE_HEAD"
460 echo "# and try again"
461 echo "#"
462fi >>"$GIT_DIR"/COMMIT_EDITMSG
463# Author
465if test '' != "$use_commit"
466then
467 eval "$(get_author_ident_from_commit "$use_commit")"
468 export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
469fi
470if test '' != "$force_author"
471then
472 GIT_AUTHOR_NAME=`expr "z$force_author" : 'z\(.*[^ ]\) *<.*'` &&
473 GIT_AUTHOR_EMAIL=`expr "z$force_author" : '.*\(<.*\)'` &&
474 test '' != "$GIT_AUTHOR_NAME" &&
475 test '' != "$GIT_AUTHOR_EMAIL" ||
476 die "malformed --author parameter"
477 export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
478fi
479PARENTS="-p HEAD"
481if test -z "$initial_commit"
482then
483 rloga='commit'
484 if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
485 rloga='commit (merge)'
486 PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
487 elif test -n "$amend"; then
488 rloga='commit (amend)'
489 PARENTS=$(git cat-file commit HEAD |
490 sed -n -e '/^$/q' -e 's/^parent /-p /p')
491 fi
492 current="$(git rev-parse --verify HEAD)"
493else
494 if [ -z "$(git ls-files)" ]; then
495 echo >&2 'nothing to commit (use "git add file1 file2" to include for commit)'
496 exit 1
497 fi
498 PARENTS=""
499 rloga='commit (initial)'
500 current=''
501fi
502set_reflog_action "$rloga"
503if test -z "$no_edit"
505then
506 {
507 echo ""
508 echo "# Please enter the commit message for your changes."
509 echo "# (Comment lines starting with '#' will not be included)"
510 test -z "$only_include_assumed" || echo "$only_include_assumed"
511 run_status
512 } >>"$GIT_DIR"/COMMIT_EDITMSG
513else
514 # we need to check if there is anything to commit
515 run_status >/dev/null
516fi
517if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" ]
518then
519 rm -f "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
520 use_status_color=t
521 run_status
522 exit 1
523fi
524case "$no_edit" in
526'')
527 git-var GIT_AUTHOR_IDENT > /dev/null || die
528 git-var GIT_COMMITTER_IDENT > /dev/null || die
529 git_editor "$GIT_DIR/COMMIT_EDITMSG"
530 ;;
531esac
532case "$verify" in
534t)
535 if test -x "$GIT_DIR"/hooks/commit-msg
536 then
537 "$GIT_DIR"/hooks/commit-msg "$GIT_DIR"/COMMIT_EDITMSG || exit
538 fi
539esac
540if test -z "$no_edit"
542then
543 sed -e '
544 /^diff --git a\/.*/{
545 s///
546 q
547 }
548 /^#/d
549 ' "$GIT_DIR"/COMMIT_EDITMSG
550else
551 cat "$GIT_DIR"/COMMIT_EDITMSG
552fi |
553git stripspace >"$GIT_DIR"/COMMIT_MSG
554# Test whether the commit message has any content we didn't supply.
556have_commitmsg=
557grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG |
558 git stripspace > "$GIT_DIR"/COMMIT_BAREMSG
559# Is the commit message totally empty?
561if test -s "$GIT_DIR"/COMMIT_BAREMSG
562then
563 if test "$templatefile" != ""
564 then
565 # Test whether this is just the unaltered template.
566 if cnt=`sed -e '/^#/d' < "$templatefile" |
567 git stripspace |
568 diff "$GIT_DIR"/COMMIT_BAREMSG - |
569 wc -l` &&
570 test 0 -lt $cnt
571 then
572 have_commitmsg=t
573 fi
574 else
575 # No template, so the content in the commit message must
576 # have come from the user.
577 have_commitmsg=t
578 fi
579fi
580rm -f "$GIT_DIR"/COMMIT_BAREMSG
582if test "$have_commitmsg" = "t"
584then
585 if test -z "$TMP_INDEX"
586 then
587 tree=$(GIT_INDEX_FILE="$USE_INDEX" git write-tree)
588 else
589 tree=$(GIT_INDEX_FILE="$TMP_INDEX" git write-tree) &&
590 rm -f "$TMP_INDEX"
591 fi &&
592 commit=$(git commit-tree $tree $PARENTS <"$GIT_DIR/COMMIT_MSG") &&
593 rlogm=$(sed -e 1q "$GIT_DIR"/COMMIT_MSG) &&
594 git update-ref -m "$GIT_REFLOG_ACTION: $rlogm" HEAD $commit "$current" &&
595 rm -f -- "$GIT_DIR/MERGE_HEAD" "$GIT_DIR/MERGE_MSG" &&
596 if test -f "$NEXT_INDEX"
597 then
598 mv "$NEXT_INDEX" "$THIS_INDEX"
599 else
600 : ;# happy
601 fi
602else
603 echo >&2 "* no commit message? aborting commit."
604 false
605fi
606ret="$?"
607rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
608cd_to_toplevel
610git rerere
612if test "$ret" = 0
614then
615 git gc --auto
616 if test -x "$GIT_DIR"/hooks/post-commit
617 then
618 "$GIT_DIR"/hooks/post-commit
619 fi
620 if test -z "$quiet"
621 then
622 commit=`git diff-tree --always --shortstat --pretty="format:%h: %s"\
623 --summary --root HEAD --`
624 echo "Created${initial_commit:+ initial} commit $commit"
625 fi
626fi
627exit "$ret"