git-am.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005, 2006 Junio C Hamano
   4
   5 SUBDIRECTORY_OK=Yes
   6 OPTIONS_KEEPDASHDASH=
   7 OPTIONS_SPEC="\
   8 git am [options] [(<mbox>|<Maildir>)...]
   9 git am [options] (--resolved | --skip | --abort)
  10 --
  11 i,interactive   run interactively
  12 b,binary*       (historical option -- no-op)
  13 3,3way          allow fall back on 3way merging if needed
  14 q,quiet         be quiet
  15 s,signoff       add a Signed-off-by line to the commit message
  16 u,utf8          recode into utf8 (default)
  17 k,keep          pass -k flag to git-mailinfo
  18 keep-cr         pass --keep-cr flag to git-mailsplit for mbox format
  19 no-keep-cr      do not pass --keep-cr flag to git-mailsplit independent of am.keepcr
  20 c,scissors      strip everything before a scissors line
  21 whitespace=     pass it through git-apply
  22 ignore-space-change pass it through git-apply
  23 ignore-whitespace pass it through git-apply
  24 directory=      pass it through git-apply
  25 exclude=        pass it through git-apply
  26 C=              pass it through git-apply
  27 p=              pass it through git-apply
  28 patch-format=   format the patch(es) are in
  29 reject          pass it through git-apply
  30 resolvemsg=     override error message when patch failure occurs
  31 continue        continue applying patches after resolving a conflict
  32 r,resolved      synonyms for --continue
  33 skip            skip the current patch
  34 abort           restore the original branch and abort the patching operation.
  35 committer-date-is-author-date    lie about committer date
  36 ignore-date     use current timestamp for author date
  37 rerere-autoupdate update the index with reused conflict resolution if possible
  38 rebasing*       (internal use for git-rebase)"
  39
  40 . git-sh-setup
  41 . git-sh-i18n
  42 prefix=$(git rev-parse --show-prefix)
  43 set_reflog_action am
  44 require_work_tree
  45 cd_to_toplevel
  46
  47 git var GIT_COMMITTER_IDENT >/dev/null ||
  48         die "$(gettext "You need to set your committer info first")"
  49
  50 if git rev-parse --verify -q HEAD >/dev/null
  51 then
  52         HAS_HEAD=yes
  53 else
  54         HAS_HEAD=
  55 fi
  56
  57 cmdline="git am"
  58 if test '' != "$interactive"
  59 then
  60         cmdline="$cmdline -i"
  61 fi
  62 if test '' != "$threeway"
  63 then
  64         cmdline="$cmdline -3"
  65 fi
  66
  67 sq () {
  68         git rev-parse --sq-quote "$@"
  69 }
  70
  71 stop_here () {
  72     echo "$1" >"$dotest/next"
  73     git rev-parse --verify -q HEAD >"$dotest/abort-safety"
  74     exit 1
  75 }
  76
  77 safe_to_abort () {
  78         if test -f "$dotest/dirtyindex"
  79         then
  80                 return 1
  81         fi
  82
  83         if ! test -s "$dotest/abort-safety"
  84         then
  85                 return 0
  86         fi
  87
  88         abort_safety=$(cat "$dotest/abort-safety")
  89         if test "z$(git rev-parse --verify -q HEAD)" = "z$abort_safety"
  90         then
  91                 return 0
  92         fi
  93                 gettextln "You seem to have moved HEAD since the last 'am' failure.
  94 Not rewinding to ORIG_HEAD" >&2
  95         return 1
  96 }
  97
  98 stop_here_user_resolve () {
  99     if [ -n "$resolvemsg" ]; then
 100             printf '%s\n' "$resolvemsg"
 101             stop_here $1
 102     fi
 103     eval_gettextln "When you have resolved this problem run \"\$cmdline --resolved\".
 104 If you would prefer to skip this patch, instead run \"\$cmdline --skip\".
 105 To restore the original branch and stop patching run \"\$cmdline --abort\"."
 106
 107     stop_here $1
 108 }
 109
 110 go_next () {
 111         rm -f "$dotest/$msgnum" "$dotest/msg" "$dotest/msg-clean" \
 112                 "$dotest/patch" "$dotest/info"
 113         echo "$next" >"$dotest/next"
 114         this=$next
 115 }
 116
 117 cannot_fallback () {
 118         echo "$1"
 119         gettextln "Cannot fall back to three-way merge."
 120         exit 1
 121 }
 122
 123 fall_back_3way () {
 124     O_OBJECT=`cd "$GIT_OBJECT_DIRECTORY" && pwd`
 125
 126     rm -fr "$dotest"/patch-merge-*
 127     mkdir "$dotest/patch-merge-tmp-dir"
 128
 129     # First see if the patch records the index info that we can use.
 130     git apply --build-fake-ancestor "$dotest/patch-merge-tmp-index" \
 131         "$dotest/patch" &&
 132     GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
 133     git write-tree >"$dotest/patch-merge-base+" ||
 134     cannot_fallback "$(gettext "Repository lacks necessary blobs to fall back on 3-way merge.")"
 135
 136     say Using index info to reconstruct a base tree...
 137     if GIT_INDEX_FILE="$dotest/patch-merge-tmp-index" \
 138         git apply --cached <"$dotest/patch"
 139     then
 140         mv "$dotest/patch-merge-base+" "$dotest/patch-merge-base"
 141         mv "$dotest/patch-merge-tmp-index" "$dotest/patch-merge-index"
 142     else
 143         cannot_fallback "$(gettext "Did you hand edit your patch?
 144 It does not apply to blobs recorded in its index.")"
 145     fi
 146
 147     test -f "$dotest/patch-merge-index" &&
 148     his_tree=$(GIT_INDEX_FILE="$dotest/patch-merge-index" git write-tree) &&
 149     orig_tree=$(cat "$dotest/patch-merge-base") &&
 150     rm -fr "$dotest"/patch-merge-* || exit 1
 151
 152     say "$(gettext "Falling back to patching base and 3-way merge...")"
 153
 154     # This is not so wrong.  Depending on which base we picked,
 155     # orig_tree may be wildly different from ours, but his_tree
 156     # has the same set of wildly different changes in parts the
 157     # patch did not touch, so recursive ends up canceling them,
 158     # saying that we reverted all those changes.
 159
 160     eval GITHEAD_$his_tree='"$FIRSTLINE"'
 161     export GITHEAD_$his_tree
 162     if test -n "$GIT_QUIET"
 163     then
 164             GIT_MERGE_VERBOSITY=0 && export GIT_MERGE_VERBOSITY
 165     fi
 166     git-merge-recursive $orig_tree -- HEAD $his_tree || {
 167             git rerere $allow_rerere_autoupdate
 168             echo Failed to merge in the changes.
 169             exit 1
 170     }
 171     unset GITHEAD_$his_tree
 172 }
 173
 174 clean_abort () {
 175         test $# = 0 || echo >&2 "$@"
 176         rm -fr "$dotest"
 177         exit 1
 178 }
 179
 180 patch_format=
 181
 182 check_patch_format () {
 183         # early return if patch_format was set from the command line
 184         if test -n "$patch_format"
 185         then
 186                 return 0
 187         fi
 188
 189         # we default to mbox format if input is from stdin and for
 190         # directories
 191         if test $# = 0 || test "x$1" = "x-" || test -d "$1"
 192         then
 193                 patch_format=mbox
 194                 return 0
 195         fi
 196
 197         # otherwise, check the first few non-blank lines of the first
 198         # patch to try to detect its format
 199         {
 200                 # Start from first line containing non-whitespace
 201                 l1=
 202                 while test -z "$l1"
 203                 do
 204                         read l1
 205                 done
 206                 read l2
 207                 read l3
 208                 case "$l1" in
 209                 "From "* | "From: "*)
 210                         patch_format=mbox
 211                         ;;
 212                 '# This series applies on GIT commit'*)
 213                         patch_format=stgit-series
 214                         ;;
 215                 "# HG changeset patch")
 216                         patch_format=hg
 217                         ;;
 218                 *)
 219                         # if the second line is empty and the third is
 220                         # a From, Author or Date entry, this is very
 221                         # likely an StGIT patch
 222                         case "$l2,$l3" in
 223                         ,"From: "* | ,"Author: "* | ,"Date: "*)
 224                                 patch_format=stgit
 225                                 ;;
 226                         *)
 227                                 ;;
 228                         esac
 229                         ;;
 230                 esac
 231                 if test -z "$patch_format" &&
 232                         test -n "$l1" &&
 233                         test -n "$l2" &&
 234                         test -n "$l3"
 235                 then
 236                         # This begins with three non-empty lines.  Is this a
 237                         # piece of e-mail a-la RFC2822?  Grab all the headers,
 238                         # discarding the indented remainder of folded lines,
 239                         # and see if it looks like that they all begin with the
 240                         # header field names...
 241                         tr -d '\015' <"$1" |
 242                         sed -n -e '/^$/q' -e '/^[       ]/d' -e p |
 243                         sane_egrep -v '^[!-9;-~]+:' >/dev/null ||
 244                         patch_format=mbox
 245                 fi
 246         } < "$1" || clean_abort
 247 }
 248
 249 split_patches () {
 250         case "$patch_format" in
 251         mbox)
 252                 if test -n "$rebasing" || test t = "$keepcr"
 253                 then
 254                     keep_cr=--keep-cr
 255                 else
 256                     keep_cr=
 257                 fi
 258                 git mailsplit -d"$prec" -o"$dotest" -b $keep_cr -- "$@" > "$dotest/last" ||
 259                 clean_abort
 260                 ;;
 261         stgit-series)
 262                 if test $# -ne 1
 263                 then
 264                         clean_abort "$(gettext "Only one StGIT patch series can be applied at once")"
 265                 fi
 266                 series_dir=`dirname "$1"`
 267                 series_file="$1"
 268                 shift
 269                 {
 270                         set x
 271                         while read filename
 272                         do
 273                                 set "$@" "$series_dir/$filename"
 274                         done
 275                         # remove the safety x
 276                         shift
 277                         # remove the arg coming from the first-line comment
 278                         shift
 279                 } < "$series_file" || clean_abort
 280                 # set the patch format appropriately
 281                 patch_format=stgit
 282                 # now handle the actual StGIT patches
 283                 split_patches "$@"
 284                 ;;
 285         stgit)
 286                 this=0
 287                 for stgit in "$@"
 288                 do
 289                         this=`expr "$this" + 1`
 290                         msgnum=`printf "%0${prec}d" $this`
 291                         # Perl version of StGIT parse_patch. The first nonemptyline
 292                         # not starting with Author, From or Date is the
 293                         # subject, and the body starts with the next nonempty
 294                         # line not starting with Author, From or Date
 295                         perl -ne 'BEGIN { $subject = 0 }
 296                                 if ($subject > 1) { print ; }
 297                                 elsif (/^\s+$/) { next ; }
 298                                 elsif (/^Author:/) { s/Author/From/ ; print ;}
 299                                 elsif (/^(From|Date)/) { print ; }
 300                                 elsif ($subject) {
 301                                         $subject = 2 ;
 302                                         print "\n" ;
 303                                         print ;
 304                                 } else {
 305                                         print "Subject: ", $_ ;
 306                                         $subject = 1;
 307                                 }
 308                         ' < "$stgit" > "$dotest/$msgnum" || clean_abort
 309                 done
 310                 echo "$this" > "$dotest/last"
 311                 this=
 312                 msgnum=
 313                 ;;
 314         *)
 315                 if test -n "$patch_format"
 316                 then
 317                         clean_abort "$(eval_gettext "Patch format \$patch_format is not supported.")"
 318                 else
 319                         clean_abort "$(gettext "Patch format detection failed.")"
 320                 fi
 321                 ;;
 322         esac
 323 }
 324
 325 prec=4
 326 dotest="$GIT_DIR/rebase-apply"
 327 sign= utf8=t keep= keepcr= skip= interactive= resolved= rebasing= abort=
 328 resolvemsg= resume= scissors= no_inbody_headers=
 329 git_apply_opt=
 330 committer_date_is_author_date=
 331 ignore_date=
 332 allow_rerere_autoupdate=
 333
 334 if test "$(git config --bool --get am.keepcr)" = true
 335 then
 336     keepcr=t
 337 fi
 338
 339 while test $# != 0
 340 do
 341         case "$1" in
 342         -i|--interactive)
 343                 interactive=t ;;
 344         -b|--binary)
 345                 : ;;
 346         -3|--3way)
 347                 threeway=t ;;
 348         -s|--signoff)
 349                 sign=t ;;
 350         -u|--utf8)
 351                 utf8=t ;; # this is now default
 352         --no-utf8)
 353                 utf8= ;;
 354         -k|--keep)
 355                 keep=t ;;
 356         -c|--scissors)
 357                 scissors=t ;;
 358         --no-scissors)
 359                 scissors=f ;;
 360         -r|--resolved|--continue)
 361                 resolved=t ;;
 362         --skip)
 363                 skip=t ;;
 364         --abort)
 365                 abort=t ;;
 366         --rebasing)
 367                 rebasing=t threeway=t keep=t scissors=f no_inbody_headers=t ;;
 368         -d|--dotest)
 369                 die "$(gettext "-d option is no longer supported.  Do not use.")"
 370                 ;;
 371         --resolvemsg)
 372                 shift; resolvemsg=$1 ;;
 373         --whitespace|--directory|--exclude)
 374                 git_apply_opt="$git_apply_opt $(sq "$1=$2")"; shift ;;
 375         -C|-p)
 376                 git_apply_opt="$git_apply_opt $(sq "$1$2")"; shift ;;
 377         --patch-format)
 378                 shift ; patch_format="$1" ;;
 379         --reject|--ignore-whitespace|--ignore-space-change)
 380                 git_apply_opt="$git_apply_opt $1" ;;
 381         --committer-date-is-author-date)
 382                 committer_date_is_author_date=t ;;
 383         --ignore-date)
 384                 ignore_date=t ;;
 385         --rerere-autoupdate|--no-rerere-autoupdate)
 386                 allow_rerere_autoupdate="$1" ;;
 387         -q|--quiet)
 388                 GIT_QUIET=t ;;
 389         --keep-cr)
 390                 keepcr=t ;;
 391         --no-keep-cr)
 392                 keepcr=f ;;
 393         --)
 394                 shift; break ;;
 395         *)
 396                 usage ;;
 397         esac
 398         shift
 399 done
 400
 401 # If the dotest directory exists, but we have finished applying all the
 402 # patches in them, clear it out.
 403 if test -d "$dotest" &&
 404    last=$(cat "$dotest/last") &&
 405    next=$(cat "$dotest/next") &&
 406    test $# != 0 &&
 407    test "$next" -gt "$last"
 408 then
 409    rm -fr "$dotest"
 410 fi
 411
 412 if test -d "$dotest"
 413 then
 414         case "$#,$skip$resolved$abort" in
 415         0,*t*)
 416                 # Explicit resume command and we do not have file, so
 417                 # we are happy.
 418                 : ;;
 419         0,)
 420                 # No file input but without resume parameters; catch
 421                 # user error to feed us a patch from standard input
 422                 # when there is already $dotest.  This is somewhat
 423                 # unreliable -- stdin could be /dev/null for example
 424                 # and the caller did not intend to feed us a patch but
 425                 # wanted to continue unattended.
 426                 test -t 0
 427                 ;;
 428         *)
 429                 false
 430                 ;;
 431         esac ||
 432         die "$(eval_gettext "previous rebase directory \$dotest still exists but mbox given.")"
 433         resume=yes
 434
 435         case "$skip,$abort" in
 436         t,t)
 437                 die "$(gettext "Please make up your mind. --skip or --abort?")"
 438                 ;;
 439         t,)
 440                 git rerere clear
 441                 git read-tree --reset -u HEAD HEAD
 442                 orig_head=$(cat "$GIT_DIR/ORIG_HEAD")
 443                 git reset HEAD
 444                 git update-ref ORIG_HEAD $orig_head
 445                 ;;
 446         ,t)
 447                 if test -f "$dotest/rebasing"
 448                 then
 449                         exec git rebase --abort
 450                 fi
 451                 git rerere clear
 452                 if safe_to_abort
 453                 then
 454                         git read-tree --reset -u HEAD ORIG_HEAD
 455                         git reset ORIG_HEAD
 456                 fi
 457                 rm -fr "$dotest"
 458                 exit ;;
 459         esac
 460         rm -f "$dotest/dirtyindex"
 461 else
 462         # Make sure we are not given --skip, --resolved, nor --abort
 463         test "$skip$resolved$abort" = "" ||
 464                 die "$(gettext "Resolve operation not in progress, we are not resuming.")"
 465
 466         # Start afresh.
 467         mkdir -p "$dotest" || exit
 468
 469         if test -n "$prefix" && test $# != 0
 470         then
 471                 first=t
 472                 for arg
 473                 do
 474                         test -n "$first" && {
 475                                 set x
 476                                 first=
 477                         }
 478                         if is_absolute_path "$arg"
 479                         then
 480                                 set "$@" "$arg"
 481                         else
 482                                 set "$@" "$prefix$arg"
 483                         fi
 484                 done
 485                 shift
 486         fi
 487
 488         check_patch_format "$@"
 489
 490         split_patches "$@"
 491
 492         # -i can and must be given when resuming; everything
 493         # else is kept
 494         echo " $git_apply_opt" >"$dotest/apply-opt"
 495         echo "$threeway" >"$dotest/threeway"
 496         echo "$sign" >"$dotest/sign"
 497         echo "$utf8" >"$dotest/utf8"
 498         echo "$keep" >"$dotest/keep"
 499         echo "$keepcr" >"$dotest/keepcr"
 500         echo "$scissors" >"$dotest/scissors"
 501         echo "$no_inbody_headers" >"$dotest/no_inbody_headers"
 502         echo "$GIT_QUIET" >"$dotest/quiet"
 503         echo 1 >"$dotest/next"
 504         if test -n "$rebasing"
 505         then
 506                 : >"$dotest/rebasing"
 507         else
 508                 : >"$dotest/applying"
 509                 if test -n "$HAS_HEAD"
 510                 then
 511                         git update-ref ORIG_HEAD HEAD
 512                 else
 513                         git update-ref -d ORIG_HEAD >/dev/null 2>&1
 514                 fi
 515         fi
 516 fi
 517
 518 git update-index -q --refresh
 519
 520 case "$resolved" in
 521 '')
 522         case "$HAS_HEAD" in
 523         '')
 524                 files=$(git ls-files) ;;
 525         ?*)
 526                 files=$(git diff-index --cached --name-only HEAD --) ;;
 527         esac || exit
 528         if test "$files"
 529         then
 530                 test -n "$HAS_HEAD" && : >"$dotest/dirtyindex"
 531                 die "$(eval_gettext "Dirty index: cannot apply patches (dirty: \$files)")"
 532         fi
 533 esac
 534
 535 if test "$(cat "$dotest/utf8")" = t
 536 then
 537         utf8=-u
 538 else
 539         utf8=-n
 540 fi
 541 if test "$(cat "$dotest/keep")" = t
 542 then
 543         keep=-k
 544 fi
 545 case "$(cat "$dotest/keepcr")" in
 546 t)
 547         keepcr=--keep-cr ;;
 548 f)
 549         keepcr=--no-keep-cr ;;
 550 esac
 551 case "$(cat "$dotest/scissors")" in
 552 t)
 553         scissors=--scissors ;;
 554 f)
 555         scissors=--no-scissors ;;
 556 esac
 557 if test "$(cat "$dotest/no_inbody_headers")" = t
 558 then
 559         no_inbody_headers=--no-inbody-headers
 560 else
 561         no_inbody_headers=
 562 fi
 563 if test "$(cat "$dotest/quiet")" = t
 564 then
 565         GIT_QUIET=t
 566 fi
 567 if test "$(cat "$dotest/threeway")" = t
 568 then
 569         threeway=t
 570 fi
 571 git_apply_opt=$(cat "$dotest/apply-opt")
 572 if test "$(cat "$dotest/sign")" = t
 573 then
 574         SIGNOFF=`git var GIT_COMMITTER_IDENT | sed -e '
 575                         s/>.*/>/
 576                         s/^/Signed-off-by: /'
 577                 `
 578 else
 579         SIGNOFF=
 580 fi
 581
 582 last=`cat "$dotest/last"`
 583 this=`cat "$dotest/next"`
 584 if test "$skip" = t
 585 then
 586         this=`expr "$this" + 1`
 587         resume=
 588 fi
 589
 590 while test "$this" -le "$last"
 591 do
 592         msgnum=`printf "%0${prec}d" $this`
 593         next=`expr "$this" + 1`
 594         test -f "$dotest/$msgnum" || {
 595                 resume=
 596                 go_next
 597                 continue
 598         }
 599
 600         # If we are not resuming, parse and extract the patch information
 601         # into separate files:
 602         #  - info records the authorship and title
 603         #  - msg is the rest of commit log message
 604         #  - patch is the patch body.
 605         #
 606         # When we are resuming, these files are either already prepared
 607         # by the user, or the user can tell us to do so by --resolved flag.
 608         case "$resume" in
 609         '')
 610                 git mailinfo $keep $no_inbody_headers $scissors $utf8 "$dotest/msg" "$dotest/patch" \
 611                         <"$dotest/$msgnum" >"$dotest/info" ||
 612                         stop_here $this
 613
 614                 # skip pine's internal folder data
 615                 sane_grep '^Author: Mail System Internal Data$' \
 616                         <"$dotest"/info >/dev/null &&
 617                         go_next && continue
 618
 619                 test -s "$dotest/patch" || {
 620                         eval_gettextln "Patch is empty.  Was it split wrong?
 621 If you would prefer to skip this patch, instead run \"\$cmdline --skip\".
 622 To restore the original branch and stop patching run \"\$cmdline --abort\"."
 623                         stop_here $this
 624                 }
 625                 rm -f "$dotest/original-commit" "$dotest/author-script"
 626                 if test -f "$dotest/rebasing" &&
 627                         commit=$(sed -e 's/^From \([0-9a-f]*\) .*/\1/' \
 628                                 -e q "$dotest/$msgnum") &&
 629                         test "$(git cat-file -t "$commit")" = commit
 630                 then
 631                         git cat-file commit "$commit" |
 632                         sed -e '1,/^$/d' >"$dotest/msg-clean"
 633                         echo "$commit" > "$dotest/original-commit"
 634                         get_author_ident_from_commit "$commit" > "$dotest/author-script"
 635                 else
 636                         {
 637                                 sed -n '/^Subject/ s/Subject: //p' "$dotest/info"
 638                                 echo
 639                                 cat "$dotest/msg"
 640                         } |
 641                         git stripspace > "$dotest/msg-clean"
 642                 fi
 643                 ;;
 644         esac
 645
 646         if test -f "$dotest/author-script"
 647         then
 648                 eval $(cat "$dotest/author-script")
 649         else
 650                 GIT_AUTHOR_NAME="$(sed -n '/^Author/ s/Author: //p' "$dotest/info")"
 651                 GIT_AUTHOR_EMAIL="$(sed -n '/^Email/ s/Email: //p' "$dotest/info")"
 652                 GIT_AUTHOR_DATE="$(sed -n '/^Date/ s/Date: //p' "$dotest/info")"
 653         fi
 654
 655         if test -z "$GIT_AUTHOR_EMAIL"
 656         then
 657                 gettextln "Patch does not have a valid e-mail address."
 658                 stop_here $this
 659         fi
 660
 661         export GIT_AUTHOR_NAME GIT_AUTHOR_EMAIL GIT_AUTHOR_DATE
 662
 663         case "$resume" in
 664         '')
 665             if test '' != "$SIGNOFF"
 666             then
 667                 LAST_SIGNED_OFF_BY=`
 668                     sed -ne '/^Signed-off-by: /p' \
 669                     "$dotest/msg-clean" |
 670                     sed -ne '$p'
 671                 `
 672                 ADD_SIGNOFF=`
 673                     test "$LAST_SIGNED_OFF_BY" = "$SIGNOFF" || {
 674                     test '' = "$LAST_SIGNED_OFF_BY" && echo
 675                     echo "$SIGNOFF"
 676                 }`
 677             else
 678                 ADD_SIGNOFF=
 679             fi
 680             {
 681                 if test -s "$dotest/msg-clean"
 682                 then
 683                         cat "$dotest/msg-clean"
 684                 fi
 685                 if test '' != "$ADD_SIGNOFF"
 686                 then
 687                         echo "$ADD_SIGNOFF"
 688                 fi
 689             } >"$dotest/final-commit"
 690             ;;
 691         *)
 692                 case "$resolved$interactive" in
 693                 tt)
 694                         # This is used only for interactive view option.
 695                         git diff-index -p --cached HEAD -- >"$dotest/patch"
 696                         ;;
 697                 esac
 698         esac
 699
 700         resume=
 701         if test "$interactive" = t
 702         then
 703             test -t 0 ||
 704             die "$(gettext "cannot be interactive without stdin connected to a terminal.")"
 705             action=again
 706             while test "$action" = again
 707             do
 708                 gettextln "Commit Body is:"
 709                 echo "--------------------------"
 710                 cat "$dotest/final-commit"
 711                 echo "--------------------------"
 712                 # TRANSLATORS: Make sure to include [y], [n], [e], [v] and [a]
 713                 # in your translation. The program will only accept English
 714                 # input at this point.
 715                 gettext "Apply? [y]es/[n]o/[e]dit/[v]iew patch/[a]ccept all "
 716                 read reply
 717                 case "$reply" in
 718                 [yY]*) action=yes ;;
 719                 [aA]*) action=yes interactive= ;;
 720                 [nN]*) action=skip ;;
 721                 [eE]*) git_editor "$dotest/final-commit"
 722                        action=again ;;
 723                 [vV]*) action=again
 724                        git_pager "$dotest/patch" ;;
 725                 *)     action=again ;;
 726                 esac
 727             done
 728         else
 729             action=yes
 730         fi
 731
 732         if test -f "$dotest/final-commit"
 733         then
 734                 FIRSTLINE=$(sed 1q "$dotest/final-commit")
 735         else
 736                 FIRSTLINE=""
 737         fi
 738
 739         if test $action = skip
 740         then
 741                 go_next
 742                 continue
 743         fi
 744
 745         if test -x "$GIT_DIR"/hooks/applypatch-msg
 746         then
 747                 "$GIT_DIR"/hooks/applypatch-msg "$dotest/final-commit" ||
 748                 stop_here $this
 749         fi
 750
 751         say "$(eval_gettext "Applying: \$FIRSTLINE")"
 752
 753         case "$resolved" in
 754         '')
 755                 # When we are allowed to fall back to 3-way later, don't give
 756                 # false errors during the initial attempt.
 757                 squelch=
 758                 if test "$threeway" = t
 759                 then
 760                         squelch='>/dev/null 2>&1 '
 761                 fi
 762                 eval "git apply $squelch$git_apply_opt"' --index "$dotest/patch"'
 763                 apply_status=$?
 764                 ;;
 765         t)
 766                 # Resolved means the user did all the hard work, and
 767                 # we do not have to do any patch application.  Just
 768                 # trust what the user has in the index file and the
 769                 # working tree.
 770                 resolved=
 771                 git diff-index --quiet --cached HEAD -- && {
 772                         gettextln "No changes - did you forget to use 'git add'?
 773 If there is nothing left to stage, chances are that something else
 774 already introduced the same changes; you might want to skip this patch."
 775                         stop_here_user_resolve $this
 776                 }
 777                 unmerged=$(git ls-files -u)
 778                 if test -n "$unmerged"
 779                 then
 780                         gettextln "You still have unmerged paths in your index
 781 did you forget to use 'git add'?"
 782                         stop_here_user_resolve $this
 783                 fi
 784                 apply_status=0
 785                 git rerere
 786                 ;;
 787         esac
 788
 789         if test $apply_status != 0 && test "$threeway" = t
 790         then
 791                 if (fall_back_3way)
 792                 then
 793                     # Applying the patch to an earlier tree and merging the
 794                     # result may have produced the same tree as ours.
 795                     git diff-index --quiet --cached HEAD -- && {
 796                         say "$(gettext "No changes -- Patch already applied.")"
 797                         go_next
 798                         continue
 799                     }
 800                     # clear apply_status -- we have successfully merged.
 801                     apply_status=0
 802                 fi
 803         fi
 804         if test $apply_status != 0
 805         then
 806                 eval_gettextln 'Patch failed at $msgnum $FIRSTLINE'
 807                 stop_here_user_resolve $this
 808         fi
 809
 810         if test -x "$GIT_DIR"/hooks/pre-applypatch
 811         then
 812                 "$GIT_DIR"/hooks/pre-applypatch || stop_here $this
 813         fi
 814
 815         tree=$(git write-tree) &&
 816         commit=$(
 817                 if test -n "$ignore_date"
 818                 then
 819                         GIT_AUTHOR_DATE=
 820                 fi
 821                 parent=$(git rev-parse --verify -q HEAD) ||
 822                 say >&2 "$(gettext "applying to an empty history")"
 823
 824                 if test -n "$committer_date_is_author_date"
 825                 then
 826                         GIT_COMMITTER_DATE="$GIT_AUTHOR_DATE"
 827                         export GIT_COMMITTER_DATE
 828                 fi &&
 829                 git commit-tree $tree ${parent:+-p} $parent <"$dotest/final-commit"
 830         ) &&
 831         git update-ref -m "$GIT_REFLOG_ACTION: $FIRSTLINE" HEAD $commit $parent ||
 832         stop_here $this
 833
 834         if test -f "$dotest/original-commit"; then
 835                 echo "$(cat "$dotest/original-commit") $commit" >> "$dotest/rewritten"
 836         fi
 837
 838         if test -x "$GIT_DIR"/hooks/post-applypatch
 839         then
 840                 "$GIT_DIR"/hooks/post-applypatch
 841         fi
 842
 843         go_next
 844 done
 845
 846 if test -s "$dotest"/rewritten; then
 847     git notes copy --for-rewrite=rebase < "$dotest"/rewritten
 848     if test -x "$GIT_DIR"/hooks/post-rewrite; then
 849         "$GIT_DIR"/hooks/post-rewrite rebase < "$dotest"/rewritten
 850     fi
 851 fi
 852
 853 rm -fr "$dotest"
 854 git gc --auto