Andrew's git / gitweb.git / git-commit.sh
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git-commit.shon commit xdiff: generate "anti-diffs" aka what is common to two files (a9ed376)
   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>] [-u] [--amend] [-e] [--author <author>] [[-i | -o] <path>...]'
   7SUBDIRECTORY_OK=Yes
   8. git-sh-setup
   9
  10git-rev-parse --verify HEAD >/dev/null 2>&1 || initial_commit=t
  11branch=$(GIT_DIR="$GIT_DIR" git-symbolic-ref HEAD)
  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 "$NEXT_INDEX"
  31save_index () {
  32        cp "$THIS_INDEX" "$NEXT_INDEX"
  33}
  34
  35report () {
  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  [ "$header" ]
  60}
  61
  62run_status () {
  63    (
  64        # We always show status for the whole tree.
  65        cd "$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 "$amend" in
 175                t)
 176                        echo "# No changes" ;;
 177                *)
 178                        echo "nothing to commit" ;;
 179                esac
 180                exit 1 ;;
 181        esac
 182        exit 0
 183    )
 184}
 185
 186trap '
 187        test -z "$TMP_INDEX" || {
 188                test -f "$TMP_INDEX" && rm -f "$TMP_INDEX"
 189        }
 190        rm -f "$NEXT_INDEX"
 191' 0
 192
 193################################################################
 194# Command line argument parsing and sanity checking
 195
 196all=
 197also=
 198only=
 199logfile=
 200use_commit=
 201amend=
 202edit_flag=
 203no_edit=
 204log_given=
 205log_message=
 206verify=t
 207verbose=
 208signoff=
 209force_author=
 210only_include_assumed=
 211untracked_files=
 212while case "$#" in 0) break;; esac
 213do
 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 "z$1" : 'z-[Ff]\(.*\)'`
 227      shift
 228      ;;
 229  --F=*|--f=*|--fi=*|--fil=*|--file=*)
 230      no_edit=t
 231      log_given=t$log_given
 232      logfile=`expr "z$1" : 'z-[^=]*=\(.*\)'`
 233      shift
 234      ;;
 235  -a|--a|--al|--all)
 236      all=t
 237      shift
 238      ;;
 239  --au=*|--aut=*|--auth=*|--autho=*|--author=*)
 240      force_author=`expr "z$1" : 'z-[^=]*=\(.*\)'`
 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 "z$1" : 'z-m\(.*\)'`
 281      else
 282          log_message="$log_message
 283
 284`expr "z$1" : 'z-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 "z$1" : 'z-[^=]*=\(.*\)'`
 294      else
 295          log_message="$log_message
 296
 297`expr "z$1" : 'zq-[^=]*=\(.*\)'`"
 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 "z$1" : 'z-[^=]*=\(.*\)'`
 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 "z$1" : 'z-[^=]*=\(.*\)'`
 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="$1"
 359      no_edit=t
 360      shift
 361      ;;
 362  -s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
 363      signoff=t
 364      shift
 365      ;;
 366  -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
 367      verbose=t
 368      shift
 369      ;;
 370  -u|--u|--un|--unt|--untr|--untra|--untrac|--untrack|--untracke|--untracked|\
 371  --untracked-|--untracked-f|--untracked-fi|--untracked-fil|--untracked-file|\
 372  --untracked-files)
 373      untracked_files=t
 374      shift
 375      ;;
 376  --)
 377      shift
 378      break
 379      ;;
 380  -*)
 381      usage
 382      ;;
 383  *)
 384      break
 385      ;;
 386  esac
 387done
 388case "$edit_flag" in t) no_edit= ;; esac
 389
 390################################################################
 391# Sanity check options
 392
 393case "$amend,$initial_commit" in
 394t,t)
 395  die "You do not have anything to amend." ;;
 396t,)
 397  if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 398    die "You are in the middle of a merge -- cannot amend."
 399  fi ;;
 400esac
 401
 402case "$log_given" in
 403tt*)
 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." ;;
 407esac
 408
 409case "$#,$also,$only,$amend" in
 410*,t,t,*)
 411  die "Only one of --include/--only can be used." ;;
 4120,t,,* | 0,,t,)
 413  die "No paths with --include/--only does not make sense." ;;
 4140,,t,t)
 415  only_include_assumed="# Clever... amending the last one with dirty index." ;;
 4160,,,*)
 417  ;;
 418*,,,*)
 419  only_include_assumed="# Explicit paths specified without -i nor -o; assuming --only paths..."
 420  also=
 421  ;;
 422esac
 423unset only
 424case "$all,$also,$#" in
 425t,t,*)
 426        die "Cannot use -a and -i at the same time." ;;
 427t,,[1-9]*)
 428        die "Paths with -a does not make sense." ;;
 429,t,0)
 430        die "No paths with -i does not make sense." ;;
 431esac
 432
 433################################################################
 434# Prepare index to have a tree to be committed
 435
 436TOP=`git-rev-parse --show-cdup`
 437if test -z "$TOP"
 438then
 439        TOP=./
 440fi
 441
 442case "$all,$also" in
 443t,)
 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        ;;
 511esac
 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
 518if test -f "$NEXT_INDEX"
 519then
 520        USE_INDEX="$NEXT_INDEX"
 521else
 522        USE_INDEX="$THIS_INDEX"
 523fi
 524
 525GIT_INDEX_FILE="$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
 531case "$0" in
 532*status)
 533        run_status
 534        exit $?
 535esac
 536
 537################################################################
 538# Grab commit message, write out tree and make commit.
 539
 540if test t = "$verify" && test -x "$GIT_DIR"/hooks/pre-commit
 541then
 542        if test "$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
 548fi
 549
 550if test "$log_message" != ''
 551then
 552        echo "$log_message"
 553elif test "$logfile" != ""
 554then
 555        if test "$logfile" = -
 556        then
 557                test -t 0 &&
 558                echo >&2 "(reading log message from standard input)"
 559                cat
 560        else
 561                cat <"$logfile"
 562        fi
 563elif test "$use_commit" != ""
 564then
 565        git-cat-file commit "$use_commit" | sed -e '1,/^$/d'
 566elif test -f "$GIT_DIR/MERGE_HEAD" && test -f "$GIT_DIR/MERGE_MSG"
 567then
 568        cat "$GIT_DIR/MERGE_MSG"
 569elif test -f "$GIT_DIR/SQUASH_MSG"
 570then
 571        cat "$GIT_DIR/SQUASH_MSG"
 572fi | git-stripspace >"$GIT_DIR"/COMMIT_EDITMSG
 573
 574case "$signoff" in
 575t)
 576        {
 577                echo
 578                git-var GIT_COMMITTER_IDENT | sed -e '
 579                        s/>.*/>/
 580                        s/^/Signed-off-by: /
 581                '
 582        } >>"$GIT_DIR"/COMMIT_EDITMSG
 583        ;;
 584esac
 585
 586if test -f "$GIT_DIR/MERGE_HEAD" && test -z "$no_edit"; then
 587        echo "#"
 588        echo "# It looks like you may be committing a MERGE."
 589        echo "# If this is not correct, please remove the file"
 590        echo "# $GIT_DIR/MERGE_HEAD"
 591        echo "# and try again"
 592        echo "#"
 593fi >>"$GIT_DIR"/COMMIT_EDITMSG
 594
 595# Author
 596if test '' != "$force_author"
 597then
 598        GIT_AUTHOR_NAME=`expr "z$force_author" : 'z\(.*[^ ]\) *<.*'` &&
 599        GIT_AUTHOR_EMAIL=`expr "z$force_author" : '.*\(<.*\)'` &&
 600        test '' != "$GIT_AUTHOR_NAME" &&
 601        test '' != "$GIT_AUTHOR_EMAIL" ||
 602        die "malformatted --author parameter"
 603        export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
 604elif test '' != "$use_commit"
 605then
 606        pick_author_script='
 607        /^author /{
 608                s/'\''/'\''\\'\'\''/g
 609                h
 610                s/^author \([^<]*\) <[^>]*> .*$/\1/
 611                s/'\''/'\''\'\'\''/g
 612                s/.*/GIT_AUTHOR_NAME='\''&'\''/p
 613
 614                g
 615                s/^author [^<]* <\([^>]*\)> .*$/\1/
 616                s/'\''/'\''\'\'\''/g
 617                s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
 618
 619                g
 620                s/^author [^<]* <[^>]*> \(.*\)$/\1/
 621                s/'\''/'\''\'\'\''/g
 622                s/.*/GIT_AUTHOR_DATE='\''&'\''/p
 623
 624                q
 625        }
 626        '
 627        set_author_env=`git-cat-file commit "$use_commit" |
 628        LANG=C LC_ALL=C sed -ne "$pick_author_script"`
 629        eval "$set_author_env"
 630        export GIT_AUTHOR_NAME
 631        export GIT_AUTHOR_EMAIL
 632        export GIT_AUTHOR_DATE
 633fi
 634
 635PARENTS="-p HEAD"
 636if test -z "$initial_commit"
 637then
 638        if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 639                PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
 640        elif test -n "$amend"; then
 641                PARENTS=$(git-cat-file commit HEAD |
 642                        sed -n -e '/^$/q' -e 's/^parent /-p /p')
 643        fi
 644        current=$(git-rev-parse --verify HEAD)
 645else
 646        if [ -z "$(git-ls-files)" ]; then
 647                echo >&2 Nothing to commit
 648                exit 1
 649        fi
 650        PARENTS=""
 651        current=
 652fi
 653
 654if test -z "$no_edit"
 655then
 656        {
 657                echo ""
 658                echo "# Please enter the commit message for your changes."
 659                echo "# (Comment lines starting with '#' will not be included)"
 660                test -z "$only_include_assumed" || echo "$only_include_assumed"
 661                run_status
 662        } >>"$GIT_DIR"/COMMIT_EDITMSG
 663else
 664        # we need to check if there is anything to commit
 665        run_status >/dev/null 
 666fi
 667if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" -a -z "$amend" ]
 668then
 669        rm -f "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
 670        run_status
 671        exit 1
 672fi
 673
 674case "$no_edit" in
 675'')
 676        case "${VISUAL:-$EDITOR},$TERM" in
 677        ,dumb)
 678                echo >&2 "Terminal is dumb but no VISUAL nor EDITOR defined."
 679                echo >&2 "Please supply the commit log message using either"
 680                echo >&2 "-m or -F option.  A boilerplate log message has"
 681                echo >&2 "been prepared in $GIT_DIR/COMMIT_EDITMSG"
 682                exit 1
 683                ;;
 684        esac
 685        git-var GIT_AUTHOR_IDENT > /dev/null  || die
 686        git-var GIT_COMMITTER_IDENT > /dev/null  || die
 687        ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR/COMMIT_EDITMSG"
 688        ;;
 689esac
 690
 691case "$verify" in
 692t)
 693        if test -x "$GIT_DIR"/hooks/commit-msg
 694        then
 695                "$GIT_DIR"/hooks/commit-msg "$GIT_DIR"/COMMIT_EDITMSG || exit
 696        fi
 697esac
 698
 699if test -z "$no_edit"
 700then
 701    sed -e '
 702        /^diff --git a\/.*/{
 703            s///
 704            q
 705        }
 706        /^#/d
 707    ' "$GIT_DIR"/COMMIT_EDITMSG
 708else
 709    cat "$GIT_DIR"/COMMIT_EDITMSG
 710fi |
 711git-stripspace >"$GIT_DIR"/COMMIT_MSG
 712
 713if cnt=`grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG |
 714        git-stripspace |
 715        wc -l` &&
 716   test 0 -lt $cnt
 717then
 718        if test -z "$TMP_INDEX"
 719        then
 720                tree=$(GIT_INDEX_FILE="$USE_INDEX" git-write-tree)
 721        else
 722                tree=$(GIT_INDEX_FILE="$TMP_INDEX" git-write-tree) &&
 723                rm -f "$TMP_INDEX"
 724        fi &&
 725        commit=$(cat "$GIT_DIR"/COMMIT_MSG | git-commit-tree $tree $PARENTS) &&
 726        rlogm=$(sed -e 1q "$GIT_DIR"/COMMIT_MSG) &&
 727        git-update-ref -m "commit: $rlogm" HEAD $commit $current &&
 728        rm -f -- "$GIT_DIR/MERGE_HEAD" &&
 729        if test -f "$NEXT_INDEX"
 730        then
 731                mv "$NEXT_INDEX" "$THIS_INDEX"
 732        else
 733                : ;# happy
 734        fi
 735else
 736        echo >&2 "* no commit message?  aborting commit."
 737        false
 738fi
 739ret="$?"
 740rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
 741if test -d "$GIT_DIR/rr-cache"
 742then
 743        git-rerere
 744fi
 745
 746if test -x "$GIT_DIR"/hooks/post-commit && test "$ret" = 0
 747then
 748        "$GIT_DIR"/hooks/post-commit
 749fi
 750exit "$ret"