git-commit.shon commit Add write_or_die(), a helper function (7230e6d)
   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 "$NEXT_INDEX"
  31save_index () {
  32        cp -p "$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        hdr_shown=
 142        if test -f "$GIT_DIR/info/exclude"
 143        then
 144            git-ls-files --others $option \
 145                --exclude-from="$GIT_DIR/info/exclude" \
 146                --exclude-per-directory=.gitignore
 147        else
 148            git-ls-files --others $option \
 149                --exclude-per-directory=.gitignore
 150        fi |
 151        while read line; do
 152            if [ -z "$hdr_shown" ]; then
 153                echo '#'
 154                echo '# Untracked files:'
 155                echo '#   (use "git add" to add to commit)'
 156                echo '#'
 157                hdr_shown=1
 158            fi
 159            echo "#     $line"
 160        done
 161
 162        if test -n "$verbose" -a -z "$IS_INITIAL"
 163        then
 164            git-diff-index --cached -M -p --diff-filter=MDTCRA $REFERENCE
 165        fi
 166        case "$committable" in
 167        0)
 168                case "$amend" in
 169                t)
 170                        echo "# No changes" ;;
 171                *)
 172                        echo "nothing to commit" ;;
 173                esac
 174                exit 1 ;;
 175        esac
 176        exit 0
 177    )
 178}
 179
 180trap '
 181        test -z "$TMP_INDEX" || {
 182                test -f "$TMP_INDEX" && rm -f "$TMP_INDEX"
 183        }
 184        rm -f "$NEXT_INDEX"
 185' 0
 186
 187################################################################
 188# Command line argument parsing and sanity checking
 189
 190all=
 191also=
 192only=
 193logfile=
 194use_commit=
 195amend=
 196edit_flag=
 197no_edit=
 198log_given=
 199log_message=
 200verify=t
 201verbose=
 202signoff=
 203force_author=
 204only_include_assumed=
 205untracked_files=
 206while case "$#" in 0) break;; esac
 207do
 208  case "$1" in
 209  -F|--F|-f|--f|--fi|--fil|--file)
 210      case "$#" in 1) usage ;; esac
 211      shift
 212      no_edit=t
 213      log_given=t$log_given
 214      logfile="$1"
 215      shift
 216      ;;
 217  -F*|-f*)
 218      no_edit=t
 219      log_given=t$log_given
 220      logfile=`expr "z$1" : 'z-[Ff]\(.*\)'`
 221      shift
 222      ;;
 223  --F=*|--f=*|--fi=*|--fil=*|--file=*)
 224      no_edit=t
 225      log_given=t$log_given
 226      logfile=`expr "z$1" : 'z-[^=]*=\(.*\)'`
 227      shift
 228      ;;
 229  -a|--a|--al|--all)
 230      all=t
 231      shift
 232      ;;
 233  --au=*|--aut=*|--auth=*|--autho=*|--author=*)
 234      force_author=`expr "z$1" : 'z-[^=]*=\(.*\)'`
 235      shift
 236      ;;
 237  --au|--aut|--auth|--autho|--author)
 238      case "$#" in 1) usage ;; esac
 239      shift
 240      force_author="$1"
 241      shift
 242      ;;
 243  -e|--e|--ed|--edi|--edit)
 244      edit_flag=t
 245      shift
 246      ;;
 247  -i|--i|--in|--inc|--incl|--inclu|--includ|--include)
 248      also=t
 249      shift
 250      ;;
 251  -o|--o|--on|--onl|--only)
 252      only=t
 253      shift
 254      ;;
 255  -m|--m|--me|--mes|--mess|--messa|--messag|--message)
 256      case "$#" in 1) usage ;; esac
 257      shift
 258      log_given=m$log_given
 259      if test "$log_message" = ''
 260      then
 261          log_message="$1"
 262      else
 263          log_message="$log_message
 264
 265$1"
 266      fi
 267      no_edit=t
 268      shift
 269      ;;
 270  -m*)
 271      log_given=m$log_given
 272      if test "$log_message" = ''
 273      then
 274          log_message=`expr "z$1" : 'z-m\(.*\)'`
 275      else
 276          log_message="$log_message
 277
 278`expr "z$1" : 'z-m\(.*\)'`"
 279      fi
 280      no_edit=t
 281      shift
 282      ;;
 283  --m=*|--me=*|--mes=*|--mess=*|--messa=*|--messag=*|--message=*)
 284      log_given=m$log_given
 285      if test "$log_message" = ''
 286      then
 287          log_message=`expr "z$1" : 'z-[^=]*=\(.*\)'`
 288      else
 289          log_message="$log_message
 290
 291`expr "z$1" : 'zq-[^=]*=\(.*\)'`"
 292      fi
 293      no_edit=t
 294      shift
 295      ;;
 296  -n|--n|--no|--no-|--no-v|--no-ve|--no-ver|--no-veri|--no-verif|--no-verify)
 297      verify=
 298      shift
 299      ;;
 300  --a|--am|--ame|--amen|--amend)
 301      amend=t
 302      log_given=t$log_given
 303      use_commit=HEAD
 304      shift
 305      ;;
 306  -c)
 307      case "$#" in 1) usage ;; esac
 308      shift
 309      log_given=t$log_given
 310      use_commit="$1"
 311      no_edit=
 312      shift
 313      ;;
 314  --ree=*|--reed=*|--reedi=*|--reedit=*|--reedit-=*|--reedit-m=*|\
 315  --reedit-me=*|--reedit-mes=*|--reedit-mess=*|--reedit-messa=*|\
 316  --reedit-messag=*|--reedit-message=*)
 317      log_given=t$log_given
 318      use_commit=`expr "z$1" : 'z-[^=]*=\(.*\)'`
 319      no_edit=
 320      shift
 321      ;;
 322  --ree|--reed|--reedi|--reedit|--reedit-|--reedit-m|--reedit-me|\
 323  --reedit-mes|--reedit-mess|--reedit-messa|--reedit-messag|--reedit-message)
 324      case "$#" in 1) usage ;; esac
 325      shift
 326      log_given=t$log_given
 327      use_commit="$1"
 328      no_edit=
 329      shift
 330      ;;
 331  -C)
 332      case "$#" in 1) usage ;; esac
 333      shift
 334      log_given=t$log_given
 335      use_commit="$1"
 336      no_edit=t
 337      shift
 338      ;;
 339  --reu=*|--reus=*|--reuse=*|--reuse-=*|--reuse-m=*|--reuse-me=*|\
 340  --reuse-mes=*|--reuse-mess=*|--reuse-messa=*|--reuse-messag=*|\
 341  --reuse-message=*)
 342      log_given=t$log_given
 343      use_commit=`expr "z$1" : 'z-[^=]*=\(.*\)'`
 344      no_edit=t
 345      shift
 346      ;;
 347  --reu|--reus|--reuse|--reuse-|--reuse-m|--reuse-me|--reuse-mes|\
 348  --reuse-mess|--reuse-messa|--reuse-messag|--reuse-message)
 349      case "$#" in 1) usage ;; esac
 350      shift
 351      log_given=t$log_given
 352      use_commit="$1"
 353      no_edit=t
 354      shift
 355      ;;
 356  -s|--s|--si|--sig|--sign|--signo|--signof|--signoff)
 357      signoff=t
 358      shift
 359      ;;
 360  -v|--v|--ve|--ver|--verb|--verbo|--verbos|--verbose)
 361      verbose=t
 362      shift
 363      ;;
 364  -u|--u|--un|--unt|--untr|--untra|--untrac|--untrack|--untracke|--untracked|\
 365  --untracked-|--untracked-f|--untracked-fi|--untracked-fil|--untracked-file|\
 366  --untracked-files)
 367      untracked_files=t
 368      shift
 369      ;;
 370  --)
 371      shift
 372      break
 373      ;;
 374  -*)
 375      usage
 376      ;;
 377  *)
 378      break
 379      ;;
 380  esac
 381done
 382case "$edit_flag" in t) no_edit= ;; esac
 383
 384################################################################
 385# Sanity check options
 386
 387case "$amend,$initial_commit" in
 388t,t)
 389  die "You do not have anything to amend." ;;
 390t,)
 391  if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 392    die "You are in the middle of a merge -- cannot amend."
 393  fi ;;
 394esac
 395
 396case "$log_given" in
 397tt*)
 398  die "Only one of -c/-C/-F can be used." ;;
 399*tm*|*mt*)
 400  die "Option -m cannot be combined with -c/-C/-F." ;;
 401esac
 402
 403case "$#,$also,$only,$amend" in
 404*,t,t,*)
 405  die "Only one of --include/--only can be used." ;;
 4060,t,,* | 0,,t,)
 407  die "No paths with --include/--only does not make sense." ;;
 4080,,t,t)
 409  only_include_assumed="# Clever... amending the last one with dirty index." ;;
 4100,,,*)
 411  ;;
 412*,,,*)
 413  only_include_assumed="# Explicit paths specified without -i nor -o; assuming --only paths..."
 414  also=
 415  ;;
 416esac
 417unset only
 418case "$all,$also,$#" in
 419t,t,*)
 420        die "Cannot use -a and -i at the same time." ;;
 421t,,[1-9]*)
 422        die "Paths with -a does not make sense." ;;
 423,t,0)
 424        die "No paths with -i does not make sense." ;;
 425esac
 426
 427################################################################
 428# Prepare index to have a tree to be committed
 429
 430TOP=`git-rev-parse --show-cdup`
 431if test -z "$TOP"
 432then
 433        TOP=./
 434fi
 435
 436case "$all,$also" in
 437t,)
 438        save_index &&
 439        (
 440                cd "$TOP"
 441                GIT_INDEX_FILE="$NEXT_INDEX"
 442                export GIT_INDEX_FILE
 443                git-diff-files --name-only -z |
 444                git-update-index --remove -z --stdin
 445        )
 446        ;;
 447,t)
 448        save_index &&
 449        git-ls-files --error-unmatch -- "$@" >/dev/null || exit
 450
 451        git-diff-files --name-only -z -- "$@"  |
 452        (
 453                cd "$TOP"
 454                GIT_INDEX_FILE="$NEXT_INDEX"
 455                export GIT_INDEX_FILE
 456                git-update-index --remove -z --stdin
 457        )
 458        ;;
 459,)
 460        case "$#" in
 461        0)
 462            ;; # commit as-is
 463        *)
 464            if test -f "$GIT_DIR/MERGE_HEAD"
 465            then
 466                refuse_partial "Cannot do a partial commit during a merge."
 467            fi
 468            TMP_INDEX="$GIT_DIR/tmp-index$$"
 469            if test -z "$initial_commit"
 470            then
 471                # make sure index is clean at the specified paths, or
 472                # they are additions.
 473                dirty_in_index=`git-diff-index --cached --name-status \
 474                        --diff-filter=DMTU HEAD -- "$@"`
 475                test -z "$dirty_in_index" ||
 476                refuse_partial "Different in index and the last commit:
 477$dirty_in_index"
 478            fi
 479            commit_only=`git-ls-files --error-unmatch -- "$@"` || exit
 480
 481            # Build the temporary index and update the real index
 482            # the same way.
 483            if test -z "$initial_commit"
 484            then
 485                cp "$THIS_INDEX" "$TMP_INDEX"
 486                GIT_INDEX_FILE="$TMP_INDEX" git-read-tree -m HEAD
 487            else
 488                    rm -f "$TMP_INDEX"
 489            fi || exit
 490
 491            echo "$commit_only" |
 492            GIT_INDEX_FILE="$TMP_INDEX" \
 493            git-update-index --add --remove --stdin &&
 494
 495            save_index &&
 496            echo "$commit_only" |
 497            (
 498                GIT_INDEX_FILE="$NEXT_INDEX"
 499                export GIT_INDEX_FILE
 500                git-update-index --remove --stdin
 501            ) || exit
 502            ;;
 503        esac
 504        ;;
 505esac
 506
 507################################################################
 508# If we do as-is commit, the index file will be THIS_INDEX,
 509# otherwise NEXT_INDEX after we make this commit.  We leave
 510# the index as is if we abort.
 511
 512if test -f "$NEXT_INDEX"
 513then
 514        USE_INDEX="$NEXT_INDEX"
 515else
 516        USE_INDEX="$THIS_INDEX"
 517fi
 518
 519GIT_INDEX_FILE="$USE_INDEX" \
 520    git-update-index -q $unmerged_ok_if_status --refresh || exit
 521
 522################################################################
 523# If the request is status, just show it and exit.
 524
 525case "$0" in
 526*status)
 527        run_status
 528        exit $?
 529esac
 530
 531################################################################
 532# Grab commit message, write out tree and make commit.
 533
 534if test t = "$verify" && test -x "$GIT_DIR"/hooks/pre-commit
 535then
 536        if test "$TMP_INDEX"
 537        then
 538                GIT_INDEX_FILE="$TMP_INDEX" "$GIT_DIR"/hooks/pre-commit
 539        else
 540                GIT_INDEX_FILE="$USE_INDEX" "$GIT_DIR"/hooks/pre-commit
 541        fi || exit
 542fi
 543
 544if test "$log_message" != ''
 545then
 546        echo "$log_message"
 547elif test "$logfile" != ""
 548then
 549        if test "$logfile" = -
 550        then
 551                test -t 0 &&
 552                echo >&2 "(reading log message from standard input)"
 553                cat
 554        else
 555                cat <"$logfile"
 556        fi
 557elif test "$use_commit" != ""
 558then
 559        git-cat-file commit "$use_commit" | sed -e '1,/^$/d'
 560elif test -f "$GIT_DIR/MERGE_HEAD" && test -f "$GIT_DIR/MERGE_MSG"
 561then
 562        cat "$GIT_DIR/MERGE_MSG"
 563elif test -f "$GIT_DIR/SQUASH_MSG"
 564then
 565        cat "$GIT_DIR/SQUASH_MSG"
 566fi | git-stripspace >"$GIT_DIR"/COMMIT_EDITMSG
 567
 568case "$signoff" in
 569t)
 570        {
 571                echo
 572                git-var GIT_COMMITTER_IDENT | sed -e '
 573                        s/>.*/>/
 574                        s/^/Signed-off-by: /
 575                '
 576        } >>"$GIT_DIR"/COMMIT_EDITMSG
 577        ;;
 578esac
 579
 580if test -f "$GIT_DIR/MERGE_HEAD" && test -z "$no_edit"; then
 581        echo "#"
 582        echo "# It looks like you may be committing a MERGE."
 583        echo "# If this is not correct, please remove the file"
 584        echo "# $GIT_DIR/MERGE_HEAD"
 585        echo "# and try again"
 586        echo "#"
 587fi >>"$GIT_DIR"/COMMIT_EDITMSG
 588
 589# Author
 590if test '' != "$force_author"
 591then
 592        GIT_AUTHOR_NAME=`expr "z$force_author" : 'z\(.*[^ ]\) *<.*'` &&
 593        GIT_AUTHOR_EMAIL=`expr "z$force_author" : '.*\(<.*\)'` &&
 594        test '' != "$GIT_AUTHOR_NAME" &&
 595        test '' != "$GIT_AUTHOR_EMAIL" ||
 596        die "malformed --author parameter"
 597        export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL
 598elif test '' != "$use_commit"
 599then
 600        pick_author_script='
 601        /^author /{
 602                s/'\''/'\''\\'\'\''/g
 603                h
 604                s/^author \([^<]*\) <[^>]*> .*$/\1/
 605                s/'\''/'\''\'\'\''/g
 606                s/.*/GIT_AUTHOR_NAME='\''&'\''/p
 607
 608                g
 609                s/^author [^<]* <\([^>]*\)> .*$/\1/
 610                s/'\''/'\''\'\'\''/g
 611                s/.*/GIT_AUTHOR_EMAIL='\''&'\''/p
 612
 613                g
 614                s/^author [^<]* <[^>]*> \(.*\)$/\1/
 615                s/'\''/'\''\'\'\''/g
 616                s/.*/GIT_AUTHOR_DATE='\''&'\''/p
 617
 618                q
 619        }
 620        '
 621        set_author_env=`git-cat-file commit "$use_commit" |
 622        LANG=C LC_ALL=C sed -ne "$pick_author_script"`
 623        eval "$set_author_env"
 624        export GIT_AUTHOR_NAME
 625        export GIT_AUTHOR_EMAIL
 626        export GIT_AUTHOR_DATE
 627fi
 628
 629PARENTS="-p HEAD"
 630if test -z "$initial_commit"
 631then
 632        rloga='commit'
 633        if [ -f "$GIT_DIR/MERGE_HEAD" ]; then
 634                rloga='commit (merge)'
 635                PARENTS="-p HEAD "`sed -e 's/^/-p /' "$GIT_DIR/MERGE_HEAD"`
 636        elif test -n "$amend"; then
 637                rloga='commit (amend)'
 638                PARENTS=$(git-cat-file commit HEAD |
 639                        sed -n -e '/^$/q' -e 's/^parent /-p /p')
 640        fi
 641        current=$(git-rev-parse --verify HEAD)
 642else
 643        if [ -z "$(git-ls-files)" ]; then
 644                echo >&2 Nothing to commit
 645                exit 1
 646        fi
 647        PARENTS=""
 648        current=
 649        rloga='commit (initial)'
 650fi
 651
 652if test -z "$no_edit"
 653then
 654        {
 655                echo ""
 656                echo "# Please enter the commit message for your changes."
 657                echo "# (Comment lines starting with '#' will not be included)"
 658                test -z "$only_include_assumed" || echo "$only_include_assumed"
 659                run_status
 660        } >>"$GIT_DIR"/COMMIT_EDITMSG
 661else
 662        # we need to check if there is anything to commit
 663        run_status >/dev/null 
 664fi
 665if [ "$?" != "0" -a ! -f "$GIT_DIR/MERGE_HEAD" -a -z "$amend" ]
 666then
 667        rm -f "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
 668        run_status
 669        exit 1
 670fi
 671
 672case "$no_edit" in
 673'')
 674        case "${VISUAL:-$EDITOR},$TERM" in
 675        ,dumb)
 676                echo >&2 "Terminal is dumb but no VISUAL nor EDITOR defined."
 677                echo >&2 "Please supply the commit log message using either"
 678                echo >&2 "-m or -F option.  A boilerplate log message has"
 679                echo >&2 "been prepared in $GIT_DIR/COMMIT_EDITMSG"
 680                exit 1
 681                ;;
 682        esac
 683        git-var GIT_AUTHOR_IDENT > /dev/null  || die
 684        git-var GIT_COMMITTER_IDENT > /dev/null  || die
 685        ${VISUAL:-${EDITOR:-vi}} "$GIT_DIR/COMMIT_EDITMSG"
 686        ;;
 687esac
 688
 689case "$verify" in
 690t)
 691        if test -x "$GIT_DIR"/hooks/commit-msg
 692        then
 693                "$GIT_DIR"/hooks/commit-msg "$GIT_DIR"/COMMIT_EDITMSG || exit
 694        fi
 695esac
 696
 697if test -z "$no_edit"
 698then
 699    sed -e '
 700        /^diff --git a\/.*/{
 701            s///
 702            q
 703        }
 704        /^#/d
 705    ' "$GIT_DIR"/COMMIT_EDITMSG
 706else
 707    cat "$GIT_DIR"/COMMIT_EDITMSG
 708fi |
 709git-stripspace >"$GIT_DIR"/COMMIT_MSG
 710
 711if cnt=`grep -v -i '^Signed-off-by' "$GIT_DIR"/COMMIT_MSG |
 712        git-stripspace |
 713        wc -l` &&
 714   test 0 -lt $cnt
 715then
 716        if test -z "$TMP_INDEX"
 717        then
 718                tree=$(GIT_INDEX_FILE="$USE_INDEX" git-write-tree)
 719        else
 720                tree=$(GIT_INDEX_FILE="$TMP_INDEX" git-write-tree) &&
 721                rm -f "$TMP_INDEX"
 722        fi &&
 723        commit=$(cat "$GIT_DIR"/COMMIT_MSG | git-commit-tree $tree $PARENTS) &&
 724        rlogm=$(sed -e 1q "$GIT_DIR"/COMMIT_MSG) &&
 725        git-update-ref -m "$rloga: $rlogm" HEAD $commit $current &&
 726        rm -f -- "$GIT_DIR/MERGE_HEAD" &&
 727        if test -f "$NEXT_INDEX"
 728        then
 729                mv "$NEXT_INDEX" "$THIS_INDEX"
 730        else
 731                : ;# happy
 732        fi
 733else
 734        echo >&2 "* no commit message?  aborting commit."
 735        false
 736fi
 737ret="$?"
 738rm -f "$GIT_DIR/COMMIT_MSG" "$GIT_DIR/COMMIT_EDITMSG" "$GIT_DIR/SQUASH_MSG"
 739if test -d "$GIT_DIR/rr-cache"
 740then
 741        git-rerere
 742fi
 743
 744if test -x "$GIT_DIR"/hooks/post-commit && test "$ret" = 0
 745then
 746        "$GIT_DIR"/hooks/post-commit
 747fi
 748exit "$ret"