git-am.shon commit Merge branch 'maint' (1958e5b)
   1#!/bin/sh
   2#
   3# Copyright (c) 2005, 2006 Junio C Hamano
   4
   5SUBDIRECTORY_OK=Yes
   6OPTIONS_KEEPDASHDASH=
   7OPTIONS_SPEC="\
   8git am [options] [<mbox>|<Maildir>...]
   9git am [options] (--resolved | --skip | --abort)
  10--
  11i,interactive   run interactively
  12b,binary*       (historical option -- no-op)
  133,3way          allow fall back on 3way merging if needed
  14q,quiet         be quiet
  15s,signoff       add a Signed-off-by line to the commit message
  16u,utf8          recode into utf8 (default)
  17k,keep          pass -k flag to git-mailinfo
  18c,scissors      strip everything before a scissors line
  19whitespace=     pass it through git-apply
  20ignore-space-change pass it through git-apply
  21ignore-whitespace pass it through git-apply
  22directory=      pass it through git-apply
  23C=              pass it through git-apply
  24p=              pass it through git-apply
  25patch-format=   format the patch(es) are in
  26reject          pass it through git-apply
  27resolvemsg=     override error message when patch failure occurs
  28continue        continue applying patches after resolving a conflict
  29r,resolved      synonyms for --continue
  30skip            skip the current patch
  31abort           restore the original branch and abort the patching operation.
  32committer-date-is-author-date    lie about committer date
  33ignore-date     use current timestamp for author date
  34rerere-autoupdate update the index with reused conflict resolution if possible
  35rebasing*       (internal use for git-rebase)"
  36
  37. git-sh-setup
  38prefix=$(git rev-parse --show-prefix)
  39set_reflog_action am
  40require_work_tree
  41cd_to_toplevel
  42
  43git var GIT_COMMITTER_IDENT >/dev/null ||
  44        die "You need to set your committer info first"
  45
  46if git rev-parse --verify -q HEAD >/dev/null
  47then
  48        HAS_HEAD=yes
  49else
  50        HAS_HEAD=
  51fi
  52
  53sq () {
  54        git rev-parse --sq-quote "$@"
  55}
  56
  57stop_here () {
  58    echo "$1" >"$dotest/next"
  59    exit 1
  60}
  61
  62stop_here_user_resolve () {
  63    if [ -n "$resolvemsg" ]; then
  64            printf '%s\n' "$resolvemsg"
  65            stop_here $1
  66    fi
  67    cmdline="git am"
  68    if test '' != "$interactive"
  69    then
  70        cmdline="$cmdline -i"
  71    fi
  72    if test '' != "$threeway"
  73    then
  74        cmdline="$cmdline -3"
  75    fi
  76    echo "When you have resolved this problem run \"$cmdline --resolved\"."
  77    echo "If you would prefer to skip this patch, instead run \"$cmdline --skip\"."
  78    echo "To restore the original branch and stop patching run \"$cmdline --abort\"."
  79
  80    stop_here $1
  81}
  82
  83go_next () {
  84        rm -f "$dotest/$msgnum" "$dotest/msg" "$dotest/msg-clean" \
  85                "$dotest/patch" "$dotest/info"
  86        echo "$next" >"$dotest/next"
  87        this=$next
  88}
  89
  90cannot_fallback () {
  91        echo "$1"
  92        echo "Cannot fall back to three-way merge."
  93        exit 1
  94}
  95
  96fall_back_3way () {
  97    O_OBJECT=`cd "$GIT_OBJECT_DIRECTORY" && pwd`
  98
  99    rm -fr "$dotest"/patch-merge-*
 100    mkdir "$dotest/patch-merge-tmp-dir"
 101
 102    # First see if the patch records the index info that we can use.
 103    git apply --build-fake-ancestor "$dotest/patch-merge-tmp-index" \
 104        "$dotest/patch" &&
 105    GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
 106    git write-tree >"$dotest/patch-merge-base+" ||
 107    cannot_fallback "Repository lacks necessary blobs to fall back on 3-way merge."
 108
 109    say Using index info to reconstruct a base tree...
 110    if GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
 111        git apply --cached <"$dotest/patch"
 112    then
 113        mv "$dotest/patch-merge-base+" "$dotest/patch-merge-base"
 114        mv "$dotest/patch-merge-tmp-index" "$dotest/patch-merge-index"
 115    else
 116        cannot_fallback "Did you hand edit your patch?
 117It does not apply to blobs recorded in its index."
 118    fi
 119
 120    test -f "$dotest/patch-merge-index" &&
 121    his_tree=$(GIT_INDEX_FILE="$dotest/patch-merge-index" git write-tree) &&
 122    orig_tree=$(cat "$dotest/patch-merge-base") &&
 123    rm -fr "$dotest"/patch-merge-* || exit 1
 124
 125    say Falling back to patching base and 3-way merge...
 126
 127    # This is not so wrong.  Depending on which base we picked,
 128    # orig_tree may be wildly different from ours, but his_tree
 129    # has the same set of wildly different changes in parts the
 130    # patch did not touch, so recursive ends up canceling them,
 131    # saying that we reverted all those changes.
 132
 133    eval GITHEAD_$his_tree='"$FIRSTLINE"'
 134    export GITHEAD_$his_tree
 135    if test -n "$GIT_QUIET"
 136    then
 137            export GIT_MERGE_VERBOSITY=0
 138    fi
 139    git-merge-recursive $orig_tree -- HEAD $his_tree || {
 140            git rerere $allow_rerere_autoupdate
 141            echo Failed to merge in the changes.
 142            exit 1
 143    }
 144    unset GITHEAD_$his_tree
 145}
 146
 147clean_abort () {
 148        test $# = 0 || echo >&2 "$@"
 149        rm -fr "$dotest"
 150        exit 1
 151}
 152
 153patch_format=
 154
 155check_patch_format () {
 156        # early return if patch_format was set from the command line
 157        if test -n "$patch_format"
 158        then
 159                return 0
 160        fi
 161
 162        # we default to mbox format if input is from stdin and for
 163        # directories
 164        if test $# = 0 || test "x$1" = "x-" || test -d "$1"
 165        then
 166                patch_format=mbox
 167                return 0
 168        fi
 169
 170        # otherwise, check the first few lines of the first patch to try
 171        # to detect its format
 172        {
 173                read l1
 174                read l2
 175                read l3
 176                case "$l1" in
 177                "From "* | "From: "*)
 178                        patch_format=mbox
 179                        ;;
 180                '# This series applies on GIT commit'*)
 181                        patch_format=stgit-series
 182                        ;;
 183                "# HG changeset patch")
 184                        patch_format=hg
 185                        ;;
 186                *)
 187                        # if the second line is empty and the third is
 188                        # a From, Author or Date entry, this is very
 189                        # likely an StGIT patch
 190                        case "$l2,$l3" in
 191                        ,"From: "* | ,"Author: "* | ,"Date: "*)
 192                                patch_format=stgit
 193                                ;;
 194                        *)
 195                                ;;
 196                        esac
 197                        ;;
 198                esac
 199                if test -z "$patch_format" &&
 200                        test -n "$l1" &&
 201                        test -n "$l2" &&
 202                        test -n "$l3"
 203                then
 204                        # This begins with three non-empty lines.  Is this a
 205                        # piece of e-mail a-la RFC2822?  Grab all the headers,
 206                        # discarding the indented remainder of folded lines,
 207                        # and see if it looks like that they all begin with the
 208                        # header field names...
 209                        tr -d '\015' <"$1" |
 210                        sed -n -e '/^$/q' -e '/^[       ]/d' -e p |
 211                        sane_egrep -v '^[!-9;-~]+:' >/dev/null ||
 212                        patch_format=mbox
 213                fi
 214        } < "$1" || clean_abort
 215}
 216
 217split_patches () {
 218        case "$patch_format" in
 219        mbox)
 220                case "$rebasing" in
 221                '')
 222                        keep_cr= ;;
 223                ?*)
 224                        keep_cr=--keep-cr ;;
 225                esac
 226                git mailsplit -d"$prec" -o"$dotest" -b $keep_cr -- "$@" > "$dotest/last" ||
 227                clean_abort
 228                ;;
 229        stgit-series)
 230                if test $# -ne 1
 231                then
 232                        clean_abort "Only one StGIT patch series can be applied at once"
 233                fi
 234                series_dir=`dirname "$1"`
 235                series_file="$1"
 236                shift
 237                {
 238                        set x
 239                        while read filename
 240                        do
 241                                set "$@" "$series_dir/$filename"
 242                        done
 243                        # remove the safety x
 244                        shift
 245                        # remove the arg coming from the first-line comment
 246                        shift
 247                } < "$series_file" || clean_abort
 248                # set the patch format appropriately
 249                patch_format=stgit
 250                # now handle the actual StGIT patches
 251                split_patches "$@"
 252                ;;
 253        stgit)
 254                this=0
 255                for stgit in "$@"
 256                do
 257                        this=`expr "$this" + 1`
 258                        msgnum=`printf "%0${prec}d" $this`
 259                        # Perl version of StGIT parse_patch. The first nonemptyline
 260                        # not starting with Author, From or Date is the
 261                        # subject, and the body starts with the next nonempty
 262                        # line not starting with Author, From or Date
 263                        perl -ne 'BEGIN { $subject = 0 }
 264                                if ($subject > 1) { print ; }
 265                                elsif (/^\s+$/) { next ; }
 266                                elsif (/^Author:/) { print s/Author/From/ ; }
 267                                elsif (/^(From|Date)/) { print ; }
 268                                elsif ($subject) {
 269                                        $subject = 2 ;
 270                                        print "\n" ;
 271                                        print ;
 272                                } else {
 273                                        print "Subject: ", $_ ;
 274                                        $subject = 1;
 275                                }
 276                        ' < "$stgit" > "$dotest/$msgnum" || clean_abort
 277                done
 278                echo "$this" > "$dotest/last"
 279                this=
 280                msgnum=
 281                ;;
 282        *)
 283                if test -n "$parse_patch" ; then
 284                        clean_abort "Patch format $patch_format is not supported."
 285                else
 286                        clean_abort "Patch format detection failed."
 287                fi
 288                ;;
 289        esac
 290}
 291
 292prec=4
 293dotest="$GIT_DIR/rebase-apply"
 294sign= utf8=t keep= skip= interactive= resolved= rebasing= abort=
 295resolvemsg= resume= scissors= no_inbody_headers=
 296git_apply_opt=
 297committer_date_is_author_date=
 298ignore_date=
 299allow_rerere_autoupdate=
 300
 301while test $# != 0
 302do
 303        case "$1" in
 304        -i|--interactive)
 305                interactive=t ;;
 306        -b|--binary)
 307                : ;;
 308        -3|--3way)
 309                threeway=t ;;
 310        -s|--signoff)
 311                sign=t ;;
 312        -u|--utf8)
 313                utf8=t ;; # this is now default
 314        --no-utf8)
 315                utf8= ;;
 316        -k|--keep)
 317                keep=t ;;
 318        -c|--scissors)
 319                scissors=t ;;
 320        --no-scissors)
 321                scissors=f ;;
 322        -r|--resolved|--continue)
 323                resolved=t ;;
 324        --skip)
 325                skip=t ;;
 326        --abort)
 327                abort=t ;;
 328        --rebasing)
 329                rebasing=t threeway=t keep=t scissors=f no_inbody_headers=t ;;
 330        -d|--dotest)
 331                die "-d option is no longer supported.  Do not use."
 332                ;;
 333        --resolvemsg)
 334                shift; resolvemsg=$1 ;;
 335        --whitespace|--directory)
 336                git_apply_opt="$git_apply_opt $(sq "$1=$2")"; shift ;;
 337        -C|-p)
 338                git_apply_opt="$git_apply_opt $(sq "$1$2")"; shift ;;
 339        --patch-format)
 340                shift ; patch_format="$1" ;;
 341        --reject|--ignore-whitespace|--ignore-space-change)
 342                git_apply_opt="$git_apply_opt $1" ;;
 343        --committer-date-is-author-date)
 344                committer_date_is_author_date=t ;;
 345        --ignore-date)
 346                ignore_date=t ;;
 347        --rerere-autoupdate|--no-rerere-autoupdate)
 348                allow_rerere_autoupdate="$1" ;;
 349        -q|--quiet)
 350                GIT_QUIET=t ;;
 351        --)
 352                shift; break ;;
 353        *)
 354                usage ;;
 355        esac
 356        shift
 357done
 358
 359# If the dotest directory exists, but we have finished applying all the
 360# patches in them, clear it out.
 361if test -d "$dotest" &&
 362   last=$(cat "$dotest/last") &&
 363   next=$(cat "$dotest/next") &&
 364   test $# != 0 &&
 365   test "$next" -gt "$last"
 366then
 367   rm -fr "$dotest"
 368fi
 369
 370if test -d "$dotest"
 371then
 372        case "$#,$skip$resolved$abort" in
 373        0,*t*)
 374                # Explicit resume command and we do not have file, so
 375                # we are happy.
 376                : ;;
 377        0,)
 378                # No file input but without resume parameters; catch
 379                # user error to feed us a patch from standard input
 380                # when there is already $dotest.  This is somewhat
 381                # unreliable -- stdin could be /dev/null for example
 382                # and the caller did not intend to feed us a patch but
 383                # wanted to continue unattended.
 384                test -t 0
 385                ;;
 386        *)
 387                false
 388                ;;
 389        esac ||
 390        die "previous rebase directory $dotest still exists but mbox given."
 391        resume=yes
 392
 393        case "$skip,$abort" in
 394        t,t)
 395                die "Please make up your mind. --skip or --abort?"
 396                ;;
 397        t,)
 398                git rerere clear
 399                git read-tree --reset -u HEAD HEAD
 400                orig_head=$(cat "$GIT_DIR/ORIG_HEAD")
 401                git reset HEAD
 402                git update-ref ORIG_HEAD $orig_head
 403                ;;
 404        ,t)
 405                if test -f "$dotest/rebasing"
 406                then
 407                        exec git rebase --abort
 408                fi
 409                git rerere clear
 410                test -f "$dotest/dirtyindex" || {
 411                        git read-tree --reset -u HEAD ORIG_HEAD
 412                        git reset ORIG_HEAD
 413                }
 414                rm -fr "$dotest"
 415                exit ;;
 416        esac
 417        rm -f "$dotest/dirtyindex"
 418else
 419        # Make sure we are not given --skip, --resolved, nor --abort
 420        test "$skip$resolved$abort" = "" ||
 421                die "Resolve operation not in progress, we are not resuming."
 422
 423        # Start afresh.
 424        mkdir -p "$dotest" || exit
 425
 426        if test -n "$prefix" && test $# != 0
 427        then
 428                first=t
 429                for arg
 430                do
 431                        test -n "$first" && {
 432                                set x
 433                                first=
 434                        }
 435                        case "$arg" in
 436                        /*)
 437                                set "$@" "$arg" ;;
 438                        *)
 439                                set "$@" "$prefix$arg" ;;
 440                        esac
 441                done
 442                shift
 443        fi
 444
 445        check_patch_format "$@"
 446
 447        split_patches "$@"
 448
 449        # -i can and must be given when resuming; everything
 450        # else is kept
 451        echo " $git_apply_opt" >"$dotest/apply-opt"
 452        echo "$threeway" >"$dotest/threeway"
 453        echo "$sign" >"$dotest/sign"
 454        echo "$utf8" >"$dotest/utf8"
 455        echo "$keep" >"$dotest/keep"
 456        echo "$scissors" >"$dotest/scissors"
 457        echo "$no_inbody_headers" >"$dotest/no_inbody_headers"
 458        echo "$GIT_QUIET" >"$dotest/quiet"
 459        echo 1 >"$dotest/next"
 460        if test -n "$rebasing"
 461        then
 462                : >"$dotest/rebasing"
 463        else
 464                : >"$dotest/applying"
 465                if test -n "$HAS_HEAD"
 466                then
 467                        git update-ref ORIG_HEAD HEAD
 468                else
 469                        git update-ref -d ORIG_HEAD >/dev/null 2>&1
 470                fi
 471        fi
 472fi
 473
 474case "$resolved" in
 475'')
 476        case "$HAS_HEAD" in
 477        '')
 478                files=$(git ls-files) ;;
 479        ?*)
 480                files=$(git diff-index --cached --name-only HEAD --) ;;
 481        esac || exit
 482        if test "$files"
 483        then
 484                test -n "$HAS_HEAD" && : >"$dotest/dirtyindex"
 485                die "Dirty index: cannot apply patches (dirty: $files)"
 486        fi
 487esac
 488
 489if test "$(cat "$dotest/utf8")" = t
 490then
 491        utf8=-u
 492else
 493        utf8=-n
 494fi
 495if test "$(cat "$dotest/keep")" = t
 496then
 497        keep=-k
 498fi
 499case "$(cat "$dotest/scissors")" in
 500t)
 501        scissors=--scissors ;;
 502f)
 503        scissors=--no-scissors ;;
 504esac
 505if test "$(cat "$dotest/no_inbody_headers")" = t
 506then
 507        no_inbody_headers=--no-inbody-headers
 508else
 509        no_inbody_headers=
 510fi
 511if test "$(cat "$dotest/quiet")" = t
 512then
 513        GIT_QUIET=t
 514fi
 515if test "$(cat "$dotest/threeway")" = t
 516then
 517        threeway=t
 518fi
 519git_apply_opt=$(cat "$dotest/apply-opt")
 520if test "$(cat "$dotest/sign")" = t
 521then
 522        SIGNOFF=`git var GIT_COMMITTER_IDENT | sed -e '
 523                        s/>.*/>/
 524                        s/^/Signed-off-by: /'
 525                `
 526else
 527        SIGNOFF=
 528fi
 529
 530last=`cat "$dotest/last"`
 531this=`cat "$dotest/next"`
 532if test "$skip" = t
 533then
 534        this=`expr "$this" + 1`
 535        resume=
 536fi
 537
 538if test "$this" -gt "$last"
 539then
 540        say Nothing to do.
 541        rm -fr "$dotest"
 542        exit
 543fi
 544
 545while test "$this" -le "$last"
 546do
 547        msgnum=`printf "%0${prec}d" $this`
 548        next=`expr "$this" + 1`
 549        test -f "$dotest/$msgnum" || {
 550                resume=
 551                go_next
 552                continue
 553        }
 554
 555        # If we are not resuming, parse and extract the patch information
 556        # into separate files:
 557        #  - info records the authorship and title
 558        #  - msg is the rest of commit log message
 559        #  - patch is the patch body.
 560        #
 561        # When we are resuming, these files are either already prepared
 562        # by the user, or the user can tell us to do so by --resolved flag.
 563        case "$resume" in
 564        '')
 565                git mailinfo $keep $no_inbody_headers $scissors $utf8 "$dotest/msg" "$dotest/patch" \
 566                        <"$dotest/$msgnum" >"$dotest/info" ||
 567                        stop_here $this
 568
 569                # skip pine's internal folder data
 570                sane_grep '^Author: Mail System Internal Data$' \
 571                        <"$dotest"/info >/dev/null &&
 572                        go_next && continue
 573
 574                test -s "$dotest/patch" || {
 575                        echo "Patch is empty.  Was it split wrong?"
 576                        stop_here $this
 577                }
 578                if test -f "$dotest/rebasing" &&
 579                        commit=$(sed -e 's/^From \([0-9a-f]*\) .*/\1/' \
 580                                -e q "$dotest/$msgnum") &&
 581                        test "$(git cat-file -t "$commit")" = commit
 582                then
 583                        git cat-file commit "$commit" |
 584                        sed -e '1,/^$/d' >"$dotest/msg-clean"
 585                else
 586                        {
 587                                sed -n '/^Subject/ s/Subject: //p' "$dotest/info"
 588                                echo
 589                                cat "$dotest/msg"
 590                        } |
 591                        git stripspace > "$dotest/msg-clean"
 592                fi
 593                ;;
 594        esac
 595
 596        GIT_AUTHOR_NAME="$(sed -n '/^Author/ s/Author: //p' "$dotest/info")"
 597        GIT_AUTHOR_EMAIL="$(sed -n '/^Email/ s/Email: //p' "$dotest/info")"
 598        GIT_AUTHOR_DATE="$(sed -n '/^Date/ s/Date: //p' "$dotest/info")"
 599
 600        if test -z "$GIT_AUTHOR_EMAIL"
 601        then
 602                echo "Patch does not have a valid e-mail address."
 603                stop_here $this
 604        fi
 605
 606        export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
 607
 608        case "$resume" in
 609        '')
 610            if test '' != "$SIGNOFF"
 611            then
 612                LAST_SIGNED_OFF_BY=`
 613                    sed -ne '/^Signed-off-by: /p' \
 614                    "$dotest/msg-clean" |
 615                    sed -ne '$p'
 616                `
 617                ADD_SIGNOFF=`
 618                    test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" || {
 619                    test '' = "$LAST_SIGNED_OFF_BY" && echo
 620                    echo "$SIGNOFF"
 621                }`
 622            else
 623                ADD_SIGNOFF=
 624            fi
 625            {
 626                if test -s "$dotest/msg-clean"
 627                then
 628                        cat "$dotest/msg-clean"
 629                fi
 630                if test '' != "$ADD_SIGNOFF"
 631                then
 632                        echo "$ADD_SIGNOFF"
 633                fi
 634            } >"$dotest/final-commit"
 635            ;;
 636        *)
 637                case "$resolved$interactive" in
 638                tt)
 639                        # This is used only for interactive view option.
 640                        git diff-index -p --cached HEAD -- >"$dotest/patch"
 641                        ;;
 642                esac
 643        esac
 644
 645        resume=
 646        if test "$interactive" = t
 647        then
 648            test -t 0 ||
 649            die "cannot be interactive without stdin connected to a terminal."
 650            action=again
 651            while test "$action" = again
 652            do
 653                echo "Commit Body is:"
 654                echo "--------------------------"
 655                cat "$dotest/final-commit"
 656                echo "--------------------------"
 657                printf "Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all "
 658                read reply
 659                case "$reply" in
 660                [yY]*) action=yes ;;
 661                [aA]*) action=yes interactive= ;;
 662                [nN]*) action=skip ;;
 663                [eE]*) git_editor "$dotest/final-commit"
 664                       action=again ;;
 665                [vV]*) action=again
 666                       : ${GIT_PAGER=$(git var GIT_PAGER)}
 667                       : ${LESS=-FRSX}
 668                       export LESS
 669                       $GIT_PAGER "$dotest/patch" ;;
 670                *)     action=again ;;
 671                esac
 672            done
 673        else
 674            action=yes
 675        fi
 676        FIRSTLINE=$(sed 1q "$dotest/final-commit")
 677
 678        if test $action = skip
 679        then
 680                go_next
 681                continue
 682        fi
 683
 684        if test -x "$GIT_DIR"/hooks/applypatch-msg
 685        then
 686                "$GIT_DIR"/hooks/applypatch-msg "$dotest/final-commit" ||
 687                stop_here $this
 688        fi
 689
 690        say "Applying: $FIRSTLINE"
 691
 692        case "$resolved" in
 693        '')
 694                # When we are allowed to fall back to 3-way later, don't give
 695                # false errors during the initial attempt.
 696                squelch=
 697                if test "$threeway" = t
 698                then
 699                        squelch='>/dev/null 2>&1 '
 700                fi
 701                eval "git apply $squelch$git_apply_opt"' --index "$dotest/patch"'
 702                apply_status=$?
 703                ;;
 704        t)
 705                # Resolved means the user did all the hard work, and
 706                # we do not have to do any patch application.  Just
 707                # trust what the user has in the index file and the
 708                # working tree.
 709                resolved=
 710                git diff-index --quiet --cached HEAD -- && {
 711                        echo "No changes - did you forget to use 'git add'?"
 712                        stop_here_user_resolve $this
 713                }
 714                unmerged=$(git ls-files -u)
 715                if test -n "$unmerged"
 716                then
 717                        echo "You still have unmerged paths in your index"
 718                        echo "did you forget to use 'git add'?"
 719                        stop_here_user_resolve $this
 720                fi
 721                apply_status=0
 722                git rerere
 723                ;;
 724        esac
 725
 726        if test $apply_status = 1 && test "$threeway" = t
 727        then
 728                if (fall_back_3way)
 729                then
 730                    # Applying the patch to an earlier tree and merging the
 731                    # result may have produced the same tree as ours.
 732                    git diff-index --quiet --cached HEAD -- && {
 733                        say No changes -- Patch already applied.
 734                        go_next
 735                        continue
 736                    }
 737                    # clear apply_status -- we have successfully merged.
 738                    apply_status=0
 739                fi
 740        fi
 741        if test $apply_status != 0
 742        then
 743                printf 'Patch failed at %s %s\n' "$msgnum" "$FIRSTLINE"
 744                stop_here_user_resolve $this
 745        fi
 746
 747        if test -x "$GIT_DIR"/hooks/pre-applypatch
 748        then
 749                "$GIT_DIR"/hooks/pre-applypatch || stop_here $this
 750        fi
 751
 752        tree=$(git write-tree) &&
 753        commit=$(
 754                if test -n "$ignore_date"
 755                then
 756                        GIT_AUTHOR_DATE=
 757                fi
 758                parent=$(git rev-parse --verify -q HEAD) ||
 759                say >&2 "applying to an empty history"
 760
 761                if test -n "$committer_date_is_author_date"
 762                then
 763                        GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"
 764                        export GIT_COMMITTER_DATE
 765                fi &&
 766                git commit-tree $tree ${parent:+-p} $parent <"$dotest/final-commit"
 767        ) &&
 768        git update-ref -m "$GIT_REFLOG_ACTION: $FIRSTLINE" HEAD $commit $parent ||
 769        stop_here $this
 770
 771        if test -x "$GIT_DIR"/hooks/post-applypatch
 772        then
 773                "$GIT_DIR"/hooks/post-applypatch
 774        fi
 775
 776        go_next
 777done
 778
 779git gc --auto
 780
 781rm -fr "$dotest"