git-commit.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Linus Torvalds
   4 # Copyright (c) 2006 Junio C Hamano
   5
   6 USAGE='[-a] [-s] [-v] [--no-verify] [-m <message> | -F <logfile> | (-C|-c) <commit>] [-u] [--amend] [-e] [--author <author>] [[-i | -o] <path>...]'
   7 SUBDIRECTORY_OK=Yes
   8 . git-sh-setup
   9
  10 git-rev-parse --verify HEAD >/dev/null 2>&1 || initial_commit=t
  11 branch=$(GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD)
  12
  13 case "$0" in
  14 *status)
  15         status_only=t
  16         unmerged_ok_if_status=--unmerged ;;
  17 *commit)
  18         status_only=
  19         unmerged_ok_if_status= ;;
  20 esac
  21
  22 refuse_partial () {
  23         echo >&2 "$1"
  24         echo >&2 "You might have meant to say 'git commit -i paths...', perhaps?"
  25         exit 1
  26 }
  27
  28 THIS_INDEX="$GIT_DIR/index"
  29 NEXT_INDEX="$GIT_DIR/next-index$$"
  30 rm -f "$NEXT_INDEX"
  31 save_index () {
  32         cp "$THIS_INDEX" "$NEXT_INDEX"
  33 }
  34
  35 report () {
  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   [ "$header" ]
  60 }
  61
  62 run_status () {
  63     (
  64         # We always show status for the whole tree.
  65         cd "$TOP"
  66
  67         IS_INITIAL="$initial_commit"
  68         REFERENCE=HEAD
  69         case "$amend" in
  70         t)
  71                 # If we are amending the initial commit, there
  72                 # is no HEAD^1.
  73                 if git-rev-parse --verify "HEAD^1" >/dev/null 2>&1
  74                 then
  75                         REFERENCE="HEAD^1"
  76                         IS_INITIAL=
  77                 else
  78                         IS_INITIAL=t
  79                 fi
  80                 ;;
  81         esac
  82
  83         # If TMP_INDEX is defined, that means we are doing
  84         # "--only" partial commit, and that index file is used
  85         # to build the tree for the commit.  Otherwise, if
  86         # NEXT_INDEX exists, that is the index file used to
  87         # make the commit.  Otherwise we are using as-is commit
  88         # so the regular index file is what we use to compare.
  89         if test '' != "$TMP_INDEX"
  90         then
  91             GIT_INDEX_FILE="$TMP_INDEX"
  92             export GIT_INDEX_FILE
  93         elif test -f "$NEXT_INDEX"
  94         then
  95             GIT_INDEX_FILE="$NEXT_INDEX"
  96             export GIT_INDEX_FILE
  97         fi
  98
  99         case "$branch" in
 100         refs/heads/master) ;;
 101         *)  echo "# On branch $branch" ;;
 102         esac
 103
 104         if test -z "$IS_INITIAL"
 105         then
 106             git-diff-index -M --cached --name-status \
 107                 --diff-filter=MDTCRA $REFERENCE |
 108             sed -e '
 109                     s/\\/\\\\/g
 110                     s/ /\\ /g
 111             ' |
 112             report "Updated but not checked in" "will commit"
 113             committable="$?"
 114         else
 115             echo '#
 116 # Initial commit
 117 #'
 118             git-ls-files |
 119             sed -e '
 120                     s/\\/\\\\/g
 121                     s/ /\\ /g
 122                     s/^/A /
 123             ' |
 124             report "Updated but not checked in" "will commit"
 125
 126             committable="$?"
 127         fi
 128
 129         git-diff-files  --name-status |
 130         sed -e '
 131                 s/\\/\\\\/g
 132                 s/ /\\ /g
 133         ' |
 134         report "Changed but not updated" \
 135             "use git-update-index to mark for commit"
 136
 137         option=""
 138         if test -z "$untracked_files"; then
 139             option="--directory --no-empty-directory"
 140         fi
 141         if test -f "$GIT_DIR/info/exclude"
 142         then
 143             git-ls-files -z --others $option \
 144                 --exclude-from="$GIT_DIR/info/exclude" \
 145                 --exclude-per-directory=.gitignore
 146         else
 147             git-ls-files -z --others $option \
 148                 --exclude-per-directory=.gitignore
 149         fi |
 150         perl -e '$/ = "\0";
 151             my $shown = 0;
 152             while (<>) {
 153                 chomp;
 154                 s|\\|\\\\|g;
 155                 s|\t|\\t|g;
 156                 s|\n|\\n|g;
 157                 s/^/#   /;
 158                 if (!$shown) {
 159                     print "#\n# Untracked files:\n";
 160                     print "#   (use \"git add\" to add to commit)\n";
 161                     print "#\n";
 162                     $shown = 1;
 163                 }
 164                 print "$_\n";
 165             }
 166         '
 167
 168         if test -n "$verbose" -a -z "$IS_INITIAL"
 169         then
 170             git-diff-index --cached -M -p --diff-filter=MDTCRA $REFERENCE
 171         fi
 172         case "$committable" in
 173         0)
 174                 case "$amend" in
 175                 t)
 176                         echo "# No changes" ;;
 177                 *)
 178                         echo "nothing to commit" ;;
 179                 esac
 180                 exit 1 ;;
 181         esac
 182         exit 0
 183     )
 184 }
 185
 186 trap '
 187         test -z "$TMP_INDEX" || {
 188                 test -f "$TMP_INDEX" && rm -f "$TMP_INDEX"
 189         }
 190         rm -f "$NEXT_INDEX"
 191 ' 0
 192
 193 ################################################################
 194 # Command line argument parsing and sanity checking
 195
 196 all=
 197 also=
 198 only=
 199 logfile=
 200 use_commit=
 201 amend=
 202 edit_flag=
 203 no_edit=
 204 log_given=
 205 log_message=
 206 verify=t
 207 verbose=
 208 signoff=
 209 force_author=
 210 only_include_assumed=
 211 untracked_files=
 212 while case "$#" in 0) break;; esac
 213 do
 214   case "$1" in
 215   -F|--F|-f|--f|--fi|--fil|--file)
 216       case "$#" in 1) usage ;; esac
 217       shift
 218       no_edit=t
 219       log_given=t$log_given
 220       logfile="$1"
 221       shift
 222       ;;
 223   -F*|-f*)
 224       no_edit=t
 225       log_given=t$log_given
 226       logfile=`expr "$1" : '-[Ff]\(.*\)'`
 227       shift
 228       ;;
 229   --F=*|--f=*|--fi=*|--fil=*|--file=*)
 230       no_edit=t
 231       log_given=t$log_given
 232       logfile=`expr "$1" : '-[^=]*=\(.*\)'`
 233       shift
 234       ;;
 235   -a|--a|--al|--all)
 236       all=t
 237       shift
 238       ;;
 239   --au=*|--aut=*|--auth=*|--autho=*|--author=*)
 240       force_author=`expr "$1" : '-[^=]*=\(.*\)'`
 241       shift
 242       ;;
 243   --au|--aut|--auth|--autho|--author)
 244       case "$#" in 1) usage ;; esac
 245       shift
 246       force_author="$1"
 247       shift
 248       ;;
 249   -e|--e|--ed|--edi|--edit)
 250       edit_flag=t
 251       shift
 252       ;;
 253   -i|--i|--in|--inc|--incl|--inclu|--includ|--include)
 254       also=t
 255       shift
 256       ;;
 257   -o|--o|--on|--onl|--only)
 258       only=t
 259       shift
 260       ;;
 261   -m|--m|--me|--mes|--mess|--messa|--messag|--message)
 262       case "$#" in 1) usage ;; esac
 263       shift
 264       log_given=m$log_given
 265       if test "$log_message" = ''
 266       then
 267           log_message="$1"
 268       else
 269           log_message="$log_message
 270
 271 $1"
 272       fi
 273       no_edit=t
 274       shift
 275       ;;
 276   -m*)
 277       log_given=m$log_given
 278       if test "$log_message" = ''
 279       then
 280           log_message=`expr "$1" : '-m\(.*\)'`
 281       else
 282           log_message="$log_message
 283
 284 `expr "$1" : '-m\(.*\)'`"
 285       fi
 286       no_edit=t
 287       shift
 288       ;;
 289   --m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*)
 290       log_given=m$log_given
 291       if test "$log_message" = ''
 292       then
 293           log_message=`expr "$1" : '-[^=]*=\(.*\)'`
 294       else
 295           log_message="$log_message
 296
 297 `expr "$1" : '-[^=]*=\(.*\)'`"
 298       fi
 299       no_edit=t
 300       shift
 301       ;;
 302   -n|--n|--no|--no-|--no-v|--no-ve|--no-ver|--no-veri|--no-verif|--no-verify)
 303       verify=
 304       shift
 305       ;;
 306   --a|--am|--ame|--amen|--amend)
 307       amend=t
 308       log_given=t$log_given
 309       use_commit=HEAD
 310       shift
 311       ;;
 312   -c)
 313       case "$#" in 1) usage ;; esac
 314       shift
 315       log_given=t$log_given
 316       use_commit="$1"
 317       no_edit=
 318       shift
 319       ;;
 320   --ree=*|--reed=*|--reedi=*|--reedit=*|--reedit-=*|--reedit-m=*|\
 321   --reedit-me=*|--reedit-mes=*|--reedit-mess=*|--reedit-messa=*|\
 322   --reedit-messag=*|--reedit-message=*)
 323       log_given=t$log_given
 324       use_commit=`expr "$1" : '-[^=]*=\(.*\)'`
 325       no_edit=
 326       shift
 327       ;;
 328   --ree|--reed|--reedi|--reedit|--reedit-|--reedit-m|--reedit-me|\
 329   --reedit-mes|--reedit-mess|--reedit-messa|--reedit-messag|--reedit-message)
 330       case "$#" in 1) usage ;; esac
 331       shift
 332       log_given=t$log_given
 333       use_commit="$1"
 334       no_edit=
 335       shift
 336       ;;
 337   -C)
 338       case "$#" in 1) usage ;; esac
 339       shift
 340       log_given=t$log_given
 341       use_commit="$1"
 342       no_edit=t
 343       shift
 344       ;;
 345   --reu=*|--reus=*|--reuse=*|--reuse-=*|--reuse-m=*|--reuse-me=*|\
 346   --reuse-mes=*|--reuse-mess=*|--reuse-messa=*|--reuse-messag=*|\
 347   --reuse-message=*)
 348       log_given=t$log_given
 349       use_commit=`expr "$1" : '-[^=]*=\(.*\)'`
 350       no_edit=t
 351       shift
 352       ;;
 353   --reu|--reus|--reuse|--reuse-|--reuse-m|--reuse-me|--reuse-mes|\
 354   --reuse-mess|--reuse-messa|--reuse-messag|--reuse-message)
 355       case "$#" in 1) usage ;; esac
 356       shift
 357       log_given=t$log_given
 358       use_commit="$1"
 359       no_edit=t
 360       shift
 361       ;;
 362   -s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
 363       signoff=t
 364       shift
 365       ;;
 366   -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
 367       verbose=t
 368       shift
 369       ;;
 370   -u|--u|--un|--unt|--untr|--untra|--untrac|--untrack|--untracke|--untracked|\
 371   --untracked-|--untracked-f|--untracked-fi|--untracked-fil|--untracked-file|\
 372   --untracked-files)
 373       untracked_files=t
 374       shift
 375       ;;
 376   --)
 377       shift
 378       break
 379       ;;
 380   -*)
 381       usage
 382       ;;
 383   *)
 384       break
 385       ;;
 386   esac
 387 done
 388 case "$edit_flag" in t) no_edit= ;; esac
 389
 390 ################################################################
 391 # Sanity check options
 392
 393 case "$amend,$initial_commit" in
 394 t,t)
 395   die "You do not have anything to amend." ;;
 396 t,)
 397   if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 398     die "You are in the middle of a merge -- cannot amend."
 399   fi ;;
 400 esac
 401
 402 case "$log_given" in
 403 tt*)
 404   die "Only one of -c/-C/-F can be used." ;;
 405 *tm*|*mt*)
 406   die "Option -m cannot be combined with -c/-C/-F." ;;
 407 esac
 408
 409 case "$#,$also,$only,$amend" in
 410 *,t,t,*)
 411   die "Only one of --include/--only can be used." ;;
 412 0,t,,* | 0,,t,)
 413   die "No paths with --include/--only does not make sense." ;;
 414 0,,t,t)
 415   only_include_assumed="# Clever... amending the last one with dirty index." ;;
 416 0,,,*)
 417   ;;
 418 *,,,*)
 419   only_include_assumed="# Explicit paths specified without -i nor -o; assuming --only paths..."
 420   also=
 421   ;;
 422 esac
 423 unset only
 424 case "$all,$also,$#" in
 425 t,t,*)
 426         die "Cannot use -a and -i at the same time." ;;
 427 t,,[1-9]*)
 428         die "Paths with -a does not make sense." ;;
 429 ,t,0)
 430         die "No paths with -i does not make sense." ;;
 431 esac
 432
 433 ################################################################
 434 # Prepare index to have a tree to be committed
 435
 436 TOP=`git-rev-parse --show-cdup`
 437 if test -z "$TOP"
 438 then
 439         TOP=./
 440 fi
 441
 442 case "$all,$also" in
 443 t,)
 444         save_index &&
 445         (
 446                 cd "$TOP"
 447                 GIT_INDEX_FILE="$NEXT_INDEX"
 448                 export GIT_INDEX_FILE
 449                 git-diff-files --name-only -z |
 450                 git-update-index --remove -z --stdin
 451         )
 452         ;;
 453 ,t)
 454         save_index &&
 455         git-ls-files --error-unmatch -- "$@" >/dev/null || exit
 456
 457         git-diff-files --name-only -z -- "$@"  |
 458         (
 459                 cd "$TOP"
 460                 GIT_INDEX_FILE="$NEXT_INDEX"
 461                 export GIT_INDEX_FILE
 462                 git-update-index --remove -z --stdin
 463         )
 464         ;;
 465 ,)
 466         case "$#" in
 467         0)
 468             ;; # commit as-is
 469         *)
 470             if test -f "$GIT_DIR/MERGE_HEAD"
 471             then
 472                 refuse_partial "Cannot do a partial commit during a merge."
 473             fi
 474             TMP_INDEX="$GIT_DIR/tmp-index$$"
 475             if test -z "$initial_commit"
 476             then
 477                 # make sure index is clean at the specified paths, or
 478                 # they are additions.
 479                 dirty_in_index=`git-diff-index --cached --name-status \
 480                         --diff-filter=DMTU HEAD -- "$@"`
 481                 test -z "$dirty_in_index" ||
 482                 refuse_partial "Different in index and the last commit:
 483 $dirty_in_index"
 484             fi
 485             commit_only=`git-ls-files --error-unmatch -- "$@"` || exit
 486
 487             # Build the temporary index and update the real index
 488             # the same way.
 489             if test -z "$initial_commit"
 490             then
 491                 cp "$THIS_INDEX" "$TMP_INDEX"
 492                 GIT_INDEX_FILE="$TMP_INDEX" git-read-tree -m HEAD
 493             else
 494                     rm -f "$TMP_INDEX"
 495             fi || exit
 496
 497             echo "$commit_only" |
 498             GIT_INDEX_FILE="$TMP_INDEX" \
 499             git-update-index --add --remove --stdin &&
 500
 501             save_index &&
 502             echo "$commit_only" |
 503             (
 504                 GIT_INDEX_FILE="$NEXT_INDEX"
 505                 export GIT_INDEX_FILE
 506                 git-update-index --remove --stdin
 507             ) || exit
 508             ;;
 509         esac
 510         ;;
 511 esac
 512
 513 ################################################################
 514 # If we do as-is commit, the index file will be THIS_INDEX,
 515 # otherwise NEXT_INDEX after we make this commit.  We leave
 516 # the index as is if we abort.
 517
 518 if test -f "$NEXT_INDEX"
 519 then
 520         USE_INDEX="$NEXT_INDEX"
 521 else
 522         USE_INDEX="$THIS_INDEX"
 523 fi
 524
 525 GIT_INDEX_FILE="$USE_INDEX" \
 526     git-update-index -q $unmerged_ok_if_status --refresh || exit
 527
 528 ################################################################
 529 # If the request is status, just show it and exit.
 530
 531 case "$0" in
 532 *status)
 533         run_status
 534         exit $?
 535 esac
 536
 537 ################################################################
 538 # Grab commit message, write out tree and make commit.
 539
 540 if test t = "$verify" && test -x "$GIT_DIR"/hooks/pre-commit
 541 then
 542         if test "$TMP_INDEX"
 543         then
 544                 GIT_INDEX_FILE="$TMP_INDEX" "$GIT_DIR"/hooks/pre-commit
 545         else
 546                 GIT_INDEX_FILE="$USE_INDEX" "$GIT_DIR"/hooks/pre-commit
 547         fi || exit
 548 fi
 549
 550 if test "$log_message" != ''
 551 then
 552         echo "$log_message"
 553 elif test "$logfile" != ""
 554 then
 555         if test "$logfile" = -
 556         then
 557                 test -t 0 &&
 558                 echo >&2 "(reading log message from standard input)"
 559                 cat
 560         else
 561                 cat <"$logfile"
 562         fi
 563 elif test "$use_commit" != ""
 564 then
 565         git-cat-file commit "$use_commit" | sed -e '1,/^$/d'
 566 elif test -f "$GIT_DIR/MERGE_HEAD" && test -f "$GIT_DIR/MERGE_MSG"
 567 then
 568         cat "$GIT_DIR/MERGE_MSG"
 569 fi | git-stripspace >"$GIT_DIR"/COMMIT_EDITMSG
 570
 571 case "$signoff" in
 572 t)
 573         {
 574                 echo
 575                 git-var GIT_COMMITTER_IDENT | sed -e '
 576                         s/>.*/>/
 577                         s/^/Signed-off-by: /
 578                 '
 579         } >>"$GIT_DIR"/COMMIT_EDITMSG
 580         ;;
 581 esac
 582
 583 if test -f "$GIT_DIR/MERGE_HEAD" && test -z "$no_edit"; then
 584         echo "#"
 585         echo "# It looks like you may be committing a MERGE."
 586         echo "# If this is not correct, please remove the file"
 587         echo "# $GIT_DIR/MERGE_HEAD"
 588         echo "# and try again"
 589         echo "#"
 590 fi >>"$GIT_DIR"/COMMIT_EDITMSG
 591
 592 # Author
 593 if test '' != "$force_author"
 594 then
 595         GIT_AUTHOR_NAME=`expr "z$force_author" : 'z\(.*[^ ]\) *<.*'` &&
 596         GIT_AUTHOR_EMAIL=`expr "z$force_author" : '.*\(<.*\)'` &&
 597         test '' != "$GIT_AUTHOR_NAME" &&
 598         test '' != "$GIT_AUTHOR_EMAIL" ||
 599         die "malformatted --author parameter"
 600         export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
 601 elif test '' != "$use_commit"
 602 then
 603         pick_author_script='
 604         /^author /{
 605                 s/'\''/'\''\\'\'\''/g
 606                 h
 607                 s/^author \([^<]*\) <[^>]*> .*$/\1/
 608                 s/'\''/'\''\'\'\''/g
 609                 s/.*/GIT_AUTHOR_NAME='\''&'\''/p
 610
 611                 g
 612                 s/^author [^<]* <\([^>]*\)> .*$/\1/
 613                 s/'\''/'\''\'\'\''/g
 614                 s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
 615
 616                 g
 617                 s/^author [^<]* <[^>]*> \(.*\)$/\1/
 618                 s/'\''/'\''\'\'\''/g
 619                 s/.*/GIT_AUTHOR_DATE='\''&'\''/p
 620
 621                 q
 622         }
 623         '
 624         set_author_env=`git-cat-file commit "$use_commit" |
 625         LANG=C LC_ALL=C sed -ne "$pick_author_script"`
 626         eval "$set_author_env"
 627         export GIT_AUTHOR_NAME
 628         export GIT_AUTHOR_EMAIL
 629         export GIT_AUTHOR_DATE
 630 fi
 631
 632 PARENTS="-p HEAD"
 633 if test -z "$initial_commit"
 634 then
 635         if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 636                 PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
 637         elif test -n "$amend"; then
 638                 PARENTS=$(git-cat-file commit HEAD |
 639                         sed -n -e '/^$/q' -e 's/^parent /-p /p')
 640         fi
 641         current=$(git-rev-parse --verify HEAD)
 642 else
 643         if [ -z "$(git-ls-files)" ]; then
 644                 echo >&2 Nothing to commit
 645                 exit 1
 646         fi
 647         PARENTS=""
 648         current=
 649 fi
 650
 651 if test -z "$no_edit"
 652 then
 653         {
 654                 echo ""
 655                 echo "# Please enter the commit message for your changes."
 656                 echo "# (Comment lines starting with '#' will not be included)"
 657                 test -z "$only_include_assumed" || echo "$only_include_assumed"
 658                 run_status
 659         } >>"$GIT_DIR"/COMMIT_EDITMSG
 660 else
 661         # we need to check if there is anything to commit
 662         run_status >/dev/null
 663 fi
 664 if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" -a -z "$amend" ]
 665 then
 666         rm -f "$GIT_DIR/COMMIT_EDITMSG"
 667         run_status
 668         exit 1
 669 fi
 670
 671 case "$no_edit" in
 672 '')
 673         case "${VISUAL:-$EDITOR},$TERM" in
 674         ,dumb)
 675                 echo >&2 "Terminal is dumb but no VISUAL nor EDITOR defined."
 676                 echo >&2 "Please supply the commit log message using either"
 677                 echo >&2 "-m or -F option.  A boilerplate log message has"
 678                 echo >&2 "been prepared in $GIT_DIR/COMMIT_EDITMSG"
 679                 exit 1
 680                 ;;
 681         esac
 682         git-var GIT_AUTHOR_IDENT > /dev/null  || die
 683         git-var GIT_COMMITTER_IDENT > /dev/null  || die
 684         ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR/COMMIT_EDITMSG"
 685         ;;
 686 esac
 687
 688 case "$verify" in
 689 t)
 690         if test -x "$GIT_DIR"/hooks/commit-msg
 691         then
 692                 "$GIT_DIR"/hooks/commit-msg "$GIT_DIR"/COMMIT_EDITMSG || exit
 693         fi
 694 esac
 695
 696 if test -z "$no_edit"
 697 then
 698     sed -e '
 699         /^diff --git a\/.*/{
 700             s///
 701             q
 702         }
 703         /^#/d
 704     ' "$GIT_DIR"/COMMIT_EDITMSG
 705 else
 706     cat "$GIT_DIR"/COMMIT_EDITMSG
 707 fi |
 708 git-stripspace >"$GIT_DIR"/COMMIT_MSG
 709
 710 if cnt=`grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG |
 711         git-stripspace |
 712         wc -l` &&
 713    test 0 -lt $cnt
 714 then
 715         if test -z "$TMP_INDEX"
 716         then
 717                 tree=$(GIT_INDEX_FILE="$USE_INDEX" git-write-tree)
 718         else
 719                 tree=$(GIT_INDEX_FILE="$TMP_INDEX" git-write-tree) &&
 720                 rm -f "$TMP_INDEX"
 721         fi &&
 722         commit=$(cat "$GIT_DIR"/COMMIT_MSG | git-commit-tree $tree $PARENTS) &&
 723         rlogm=$(sed -e 1q "$GIT_DIR"/COMMIT_MSG) &&
 724         git-update-ref -m "commit: $rlogm" HEAD $commit $current &&
 725         rm -f -- "$GIT_DIR/MERGE_HEAD" &&
 726         if test -f "$NEXT_INDEX"
 727         then
 728                 mv "$NEXT_INDEX" "$THIS_INDEX"
 729         else
 730                 : ;# happy
 731         fi
 732 else
 733         echo >&2 "* no commit message?  aborting commit."
 734         false
 735 fi
 736 ret="$?"
 737 rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG"
 738 if test -d "$GIT_DIR/rr-cache"
 739 then
 740         git-rerere
 741 fi
 742
 743 if test -x "$GIT_DIR"/hooks/post-commit && test "$ret" = 0
 744 then
 745         "$GIT_DIR"/hooks/post-commit
 746 fi
 747 exit "$ret"