Andrew's git - gitweb.git/blob

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