git.oblomov.eu Git - git/blob - git-rebase.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Junio C Hamano.
   4 #
   5
   6 SUBDIRECTORY_OK=Yes
   7 OPTIONS_KEEPDASHDASH=
   8 OPTIONS_STUCKLONG=t
   9 OPTIONS_SPEC="\
  10 git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] [<upstream>] [<branch>]
  11 git rebase [-i] [options] [--exec <cmd>] [--onto <newbase>] --root [<branch>]
  12 git rebase --continue | --abort | --skip | --edit-todo
  13 --
  14  Available options are
  15 v,verbose!         display a diffstat of what changed upstream
  16 q,quiet!           be quiet. implies --no-stat
  17 autostash          automatically stash/stash pop before and after
  18 fork-point         use 'merge-base --fork-point' to refine upstream
  19 onto=!             rebase onto given branch instead of upstream
  20 p,preserve-merges! try to recreate merges instead of ignoring them
  21 s,strategy=!       use the given merge strategy
  22 no-ff!             cherry-pick all commits, even if unchanged
  23 m,merge!           use merging strategies to rebase
  24 i,interactive!     let the user edit the list of commits to rebase
  25 x,exec=!           add exec lines after each commit of the editable list
  26 k,keep-empty       preserve empty commits during rebase
  27 allow-empty-message allow rebasing commits with empty messages
  28 f,force-rebase!    force rebase even if branch is up to date
  29 X,strategy-option=! pass the argument through to the merge strategy
  30 stat!              display a diffstat of what changed upstream
  31 n,no-stat!         do not show diffstat of what changed upstream
  32 verify             allow pre-rebase hook to run
  33 rerere-autoupdate  allow rerere to update index with resolved conflicts
  34 root!              rebase all reachable commits up to the root(s)
  35 autosquash         move commits that begin with squash!/fixup! under -i
  36 committer-date-is-author-date! passed to 'git am'
  37 ignore-date!       passed to 'git am'
  38 signoff            passed to 'git am'
  39 whitespace=!       passed to 'git apply'
  40 ignore-whitespace! passed to 'git apply'
  41 C=!                passed to 'git apply'
  42 S,gpg-sign?        GPG-sign commits
  43  Actions:
  44 continue!          continue
  45 abort!             abort and check out the original branch
  46 skip!              skip current patch and continue
  47 edit-todo!         edit the todo list during an interactive rebase
  48 quit!              abort but keep HEAD where it is
  49 show-current-patch! show the patch file being applied or merged
  50 "
  51 . git-sh-setup
  52 set_reflog_action rebase
  53 require_work_tree_exists
  54 cd_to_toplevel
  55
  56 LF='
  57 '
  58 ok_to_skip_pre_rebase=
  59 resolvemsg="
  60 $(gettext 'Resolve all conflicts manually, mark them as resolved with
  61 "git add/rm <conflicted_files>", then run "git rebase --continue".
  62 You can instead skip this commit: run "git rebase --skip".
  63 To abort and get back to the state before "git rebase", run "git rebase --abort".')
  64 "
  65 unset onto
  66 unset restrict_revision
  67 cmd=
  68 strategy=
  69 strategy_opts=
  70 do_merge=
  71 merge_dir="$GIT_DIR"/rebase-merge
  72 apply_dir="$GIT_DIR"/rebase-apply
  73 verbose=
  74 diffstat=
  75 test "$(git config --bool rebase.stat)" = true && diffstat=t
  76 autostash="$(git config --bool rebase.autostash || echo false)"
  77 fork_point=auto
  78 git_am_opt=
  79 git_format_patch_opt=
  80 rebase_root=
  81 force_rebase=
  82 allow_rerere_autoupdate=
  83 # Non-empty if a rebase was in progress when 'git rebase' was invoked
  84 in_progress=
  85 # One of {am, merge, interactive}
  86 type=
  87 # One of {"$GIT_DIR"/rebase-apply, "$GIT_DIR"/rebase-merge}
  88 state_dir=
  89 # One of {'', continue, skip, abort}, as parsed from command line
  90 action=
  91 preserve_merges=
  92 autosquash=
  93 keep_empty=
  94 allow_empty_message=
  95 test "$(git config --bool rebase.autosquash)" = "true" && autosquash=t
  96 case "$(git config --bool commit.gpgsign)" in
  97 true)   gpg_sign_opt=-S ;;
  98 *)      gpg_sign_opt= ;;
  99 esac
 100
 101 read_basic_state () {
 102         test -f "$state_dir/head-name" &&
 103         test -f "$state_dir/onto" &&
 104         head_name=$(cat "$state_dir"/head-name) &&
 105         onto=$(cat "$state_dir"/onto) &&
 106         # We always write to orig-head, but interactive rebase used to write to
 107         # head. Fall back to reading from head to cover for the case that the
 108         # user upgraded git with an ongoing interactive rebase.
 109         if test -f "$state_dir"/orig-head
 110         then
 111                 orig_head=$(cat "$state_dir"/orig-head)
 112         else
 113                 orig_head=$(cat "$state_dir"/head)
 114         fi &&
 115         GIT_QUIET=$(cat "$state_dir"/quiet) &&
 116         test -f "$state_dir"/verbose && verbose=t
 117         test -f "$state_dir"/strategy && strategy="$(cat "$state_dir"/strategy)"
 118         test -f "$state_dir"/strategy_opts &&
 119                 strategy_opts="$(cat "$state_dir"/strategy_opts)"
 120         test -f "$state_dir"/allow_rerere_autoupdate &&
 121                 allow_rerere_autoupdate="$(cat "$state_dir"/allow_rerere_autoupdate)"
 122         test -f "$state_dir"/gpg_sign_opt &&
 123                 gpg_sign_opt="$(cat "$state_dir"/gpg_sign_opt)"
 124 }
 125
 126 write_basic_state () {
 127         echo "$head_name" > "$state_dir"/head-name &&
 128         echo "$onto" > "$state_dir"/onto &&
 129         echo "$orig_head" > "$state_dir"/orig-head &&
 130         echo "$GIT_QUIET" > "$state_dir"/quiet &&
 131         test t = "$verbose" && : > "$state_dir"/verbose
 132         test -n "$strategy" && echo "$strategy" > "$state_dir"/strategy
 133         test -n "$strategy_opts" && echo "$strategy_opts" > \
 134                 "$state_dir"/strategy_opts
 135         test -n "$allow_rerere_autoupdate" && echo "$allow_rerere_autoupdate" > \
 136                 "$state_dir"/allow_rerere_autoupdate
 137         test -n "$gpg_sign_opt" && echo "$gpg_sign_opt" > "$state_dir"/gpg_sign_opt
 138 }
 139
 140 output () {
 141         case "$verbose" in
 142         '')
 143                 output=$("$@" 2>&1 )
 144                 status=$?
 145                 test $status != 0 && printf "%s\n" "$output"
 146                 return $status
 147                 ;;
 148         *)
 149                 "$@"
 150                 ;;
 151         esac
 152 }
 153
 154 move_to_original_branch () {
 155         case "$head_name" in
 156         refs/*)
 157                 message="rebase finished: $head_name onto $onto"
 158                 git update-ref -m "$message" \
 159                         $head_name $(git rev-parse HEAD) $orig_head &&
 160                 git symbolic-ref \
 161                         -m "rebase finished: returning to $head_name" \
 162                         HEAD $head_name ||
 163                 die "$(eval_gettext "Could not move back to \$head_name")"
 164                 ;;
 165         esac
 166 }
 167
 168 apply_autostash () {
 169         if test -f "$state_dir/autostash"
 170         then
 171                 stash_sha1=$(cat "$state_dir/autostash")
 172                 if git stash apply $stash_sha1 >/dev/null 2>&1
 173                 then
 174                         echo "$(gettext 'Applied autostash.')" >&2
 175                 else
 176                         git stash store -m "autostash" -q $stash_sha1 ||
 177                         die "$(eval_gettext "Cannot store \$stash_sha1")"
 178                         gettext 'Applying autostash resulted in conflicts.
 179 Your changes are safe in the stash.
 180 You can run "git stash pop" or "git stash drop" at any time.
 181 ' >&2
 182                 fi
 183         fi
 184 }
 185
 186 finish_rebase () {
 187         rm -f "$(git rev-parse --git-path REBASE_HEAD)"
 188         apply_autostash &&
 189         { git gc --auto || true; } &&
 190         rm -rf "$state_dir"
 191 }
 192
 193 run_specific_rebase () {
 194         if [ "$interactive_rebase" = implied ]; then
 195                 GIT_EDITOR=:
 196                 export GIT_EDITOR
 197                 autosquash=
 198         fi
 199         . git-rebase--$type
 200         ret=$?
 201         if test $ret -eq 0
 202         then
 203                 finish_rebase
 204         elif test $ret -eq 2 # special exit status for rebase -i
 205         then
 206                 apply_autostash &&
 207                 rm -rf "$state_dir" &&
 208                 die "Nothing to do"
 209         fi
 210         exit $ret
 211 }
 212
 213 run_pre_rebase_hook () {
 214         if test -z "$ok_to_skip_pre_rebase" &&
 215            test -x "$(git rev-parse --git-path hooks/pre-rebase)"
 216         then
 217                 "$(git rev-parse --git-path hooks/pre-rebase)" ${1+"$@"} ||
 218                 die "$(gettext "The pre-rebase hook refused to rebase.")"
 219         fi
 220 }
 221
 222 test -f "$apply_dir"/applying &&
 223         die "$(gettext "It looks like 'git am' is in progress. Cannot rebase.")"
 224
 225 if test -d "$apply_dir"
 226 then
 227         type=am
 228         state_dir="$apply_dir"
 229 elif test -d "$merge_dir"
 230 then
 231         if test -f "$merge_dir"/interactive
 232         then
 233                 type=interactive
 234                 interactive_rebase=explicit
 235         else
 236                 type=merge
 237         fi
 238         state_dir="$merge_dir"
 239 fi
 240 test -n "$type" && in_progress=t
 241
 242 total_argc=$#
 243 while test $# != 0
 244 do
 245         case "$1" in
 246         --no-verify)
 247                 ok_to_skip_pre_rebase=yes
 248                 ;;
 249         --verify)
 250                 ok_to_skip_pre_rebase=
 251                 ;;
 252         --continue|--skip|--abort|--quit|--edit-todo|--show-current-patch)
 253                 test $total_argc -eq 2 || usage
 254                 action=${1##--}
 255                 ;;
 256         --onto=*)
 257                 onto="${1#--onto=}"
 258                 ;;
 259         --exec=*)
 260                 cmd="${cmd}exec ${1#--exec=}${LF}"
 261                 test -z "$interactive_rebase" && interactive_rebase=implied
 262                 ;;
 263         --interactive)
 264                 interactive_rebase=explicit
 265                 ;;
 266         --keep-empty)
 267                 keep_empty=yes
 268                 ;;
 269         --allow-empty-message)
 270                 allow_empty_message=--allow-empty-message
 271                 ;;
 272         --preserve-merges)
 273                 preserve_merges=t
 274                 test -z "$interactive_rebase" && interactive_rebase=implied
 275                 ;;
 276         --autosquash)
 277                 autosquash=t
 278                 ;;
 279         --no-autosquash)
 280                 autosquash=
 281                 ;;
 282         --fork-point)
 283                 fork_point=t
 284                 ;;
 285         --no-fork-point)
 286                 fork_point=
 287                 ;;
 288         --merge)
 289                 do_merge=t
 290                 ;;
 291         --strategy-option=*)
 292                 strategy_opts="$strategy_opts $(git rev-parse --sq-quote "--${1#--strategy-option=}")"
 293                 do_merge=t
 294                 test -z "$strategy" && strategy=recursive
 295                 ;;
 296         --strategy=*)
 297                 strategy="${1#--strategy=}"
 298                 do_merge=t
 299                 ;;
 300         --no-stat)
 301                 diffstat=
 302                 ;;
 303         --stat)
 304                 diffstat=t
 305                 ;;
 306         --autostash)
 307                 autostash=true
 308                 ;;
 309         --no-autostash)
 310                 autostash=false
 311                 ;;
 312         --verbose)
 313                 verbose=t
 314                 diffstat=t
 315                 GIT_QUIET=
 316                 ;;
 317         --quiet)
 318                 GIT_QUIET=t
 319                 git_am_opt="$git_am_opt -q"
 320                 verbose=
 321                 diffstat=
 322                 ;;
 323         --whitespace=*)
 324                 git_am_opt="$git_am_opt --whitespace=${1#--whitespace=}"
 325                 case "${1#--whitespace=}" in
 326                 fix|strip)
 327                         force_rebase=t
 328                         ;;
 329                 esac
 330                 ;;
 331         --ignore-whitespace)
 332                 git_am_opt="$git_am_opt $1"
 333                 ;;
 334         --committer-date-is-author-date|--ignore-date|--signoff|--no-signoff)
 335                 git_am_opt="$git_am_opt $1"
 336                 force_rebase=t
 337                 ;;
 338         -C*)
 339                 git_am_opt="$git_am_opt $1"
 340                 ;;
 341         --root)
 342                 rebase_root=t
 343                 ;;
 344         --force-rebase|--no-ff)
 345                 force_rebase=t
 346                 ;;
 347         --rerere-autoupdate|--no-rerere-autoupdate)
 348                 allow_rerere_autoupdate="$1"
 349                 ;;
 350         --gpg-sign)
 351                 gpg_sign_opt=-S
 352                 ;;
 353         --gpg-sign=*)
 354                 gpg_sign_opt="-S${1#--gpg-sign=}"
 355                 ;;
 356         --)
 357                 shift
 358                 break
 359                 ;;
 360         *)
 361                 usage
 362                 ;;
 363         esac
 364         shift
 365 done
 366 test $# -gt 2 && usage
 367
 368 if test -n "$action"
 369 then
 370         test -z "$in_progress" && die "$(gettext "No rebase in progress?")"
 371         # Only interactive rebase uses detailed reflog messages
 372         if test "$type" = interactive && test "$GIT_REFLOG_ACTION" = rebase
 373         then
 374                 GIT_REFLOG_ACTION="rebase -i ($action)"
 375                 export GIT_REFLOG_ACTION
 376         fi
 377 fi
 378
 379 if test "$action" = "edit-todo" && test "$type" != "interactive"
 380 then
 381         die "$(gettext "The --edit-todo action can only be used during interactive rebase.")"
 382 fi
 383
 384 case "$action" in
 385 continue)
 386         # Sanity check
 387         git rev-parse --verify HEAD >/dev/null ||
 388                 die "$(gettext "Cannot read HEAD")"
 389         git update-index --ignore-submodules --refresh &&
 390         git diff-files --quiet --ignore-submodules || {
 391                 echo "$(gettext "You must edit all merge conflicts and then
 392 mark them as resolved using git add")"
 393                 exit 1
 394         }
 395         read_basic_state
 396         run_specific_rebase
 397         ;;
 398 skip)
 399         output git reset --hard HEAD || exit $?
 400         read_basic_state
 401         run_specific_rebase
 402         ;;
 403 abort)
 404         git rerere clear
 405         read_basic_state
 406         case "$head_name" in
 407         refs/*)
 408                 git symbolic-ref -m "rebase: aborting" HEAD $head_name ||
 409                 die "$(eval_gettext "Could not move back to \$head_name")"
 410                 ;;
 411         esac
 412         output git reset --hard $orig_head
 413         finish_rebase
 414         exit
 415         ;;
 416 quit)
 417         exec rm -rf "$state_dir"
 418         ;;
 419 edit-todo)
 420         run_specific_rebase
 421         ;;
 422 show-current-patch)
 423         run_specific_rebase
 424         die "BUG: run_specific_rebase is not supposed to return here"
 425         ;;
 426 esac
 427
 428 # Make sure no rebase is in progress
 429 if test -n "$in_progress"
 430 then
 431         state_dir_base=${state_dir##*/}
 432         cmd_live_rebase="git rebase (--continue | --abort | --skip)"
 433         cmd_clear_stale_rebase="rm -fr \"$state_dir\""
 434         die "
 435 $(eval_gettext 'It seems that there is already a $state_dir_base directory, and
 436 I wonder if you are in the middle of another rebase.  If that is the
 437 case, please try
 438         $cmd_live_rebase
 439 If that is not the case, please
 440         $cmd_clear_stale_rebase
 441 and run me again.  I am stopping in case you still have something
 442 valuable there.')"
 443 fi
 444
 445 if test -n "$rebase_root" && test -z "$onto"
 446 then
 447         test -z "$interactive_rebase" && interactive_rebase=implied
 448 fi
 449
 450 if test -n "$interactive_rebase"
 451 then
 452         type=interactive
 453         state_dir="$merge_dir"
 454 elif test -n "$do_merge"
 455 then
 456         type=merge
 457         state_dir="$merge_dir"
 458 else
 459         type=am
 460         state_dir="$apply_dir"
 461 fi
 462
 463 if test -t 2 && test -z "$GIT_QUIET"
 464 then
 465         git_format_patch_opt="$git_format_patch_opt --progress"
 466 fi
 467
 468 if test -z "$rebase_root"
 469 then
 470         case "$#" in
 471         0)
 472                 if ! upstream_name=$(git rev-parse --symbolic-full-name \
 473                         --verify -q @{upstream} 2>/dev/null)
 474                 then
 475                         . git-parse-remote
 476                         error_on_missing_default_upstream "rebase" "rebase" \
 477                                 "against" "git rebase $(gettext '<branch>')"
 478                 fi
 479
 480                 test "$fork_point" = auto && fork_point=t
 481                 ;;
 482         *)      upstream_name="$1"
 483                 if test "$upstream_name" = "-"
 484                 then
 485                         upstream_name="@{-1}"
 486                 fi
 487                 shift
 488                 ;;
 489         esac
 490         upstream=$(peel_committish "${upstream_name}") ||
 491         die "$(eval_gettext "invalid upstream '\$upstream_name'")"
 492         upstream_arg="$upstream_name"
 493 else
 494         if test -z "$onto"
 495         then
 496                 empty_tree=$(git hash-object -t tree /dev/null)
 497                 onto=$(git commit-tree $empty_tree </dev/null)
 498                 squash_onto="$onto"
 499         fi
 500         unset upstream_name
 501         unset upstream
 502         test $# -gt 1 && usage
 503         upstream_arg=--root
 504 fi
 505
 506 # Make sure the branch to rebase onto is valid.
 507 onto_name=${onto-"$upstream_name"}
 508 case "$onto_name" in
 509 *...*)
 510         if      left=${onto_name%...*} right=${onto_name#*...} &&
 511                 onto=$(git merge-base --all ${left:-HEAD} ${right:-HEAD})
 512         then
 513                 case "$onto" in
 514                 ?*"$LF"?*)
 515                         die "$(eval_gettext "\$onto_name: there are more than one merge bases")"
 516                         ;;
 517                 '')
 518                         die "$(eval_gettext "\$onto_name: there is no merge base")"
 519                         ;;
 520                 esac
 521         else
 522                 die "$(eval_gettext "\$onto_name: there is no merge base")"
 523         fi
 524         ;;
 525 *)
 526         onto=$(peel_committish "$onto_name") ||
 527         die "$(eval_gettext "Does not point to a valid commit: \$onto_name")"
 528         ;;
 529 esac
 530
 531 # If the branch to rebase is given, that is the branch we will rebase
 532 # $branch_name -- branch/commit being rebased, or HEAD (already detached)
 533 # $orig_head -- commit object name of tip of the branch before rebasing
 534 # $head_name -- refs/heads/<that-branch> or "detached HEAD"
 535 switch_to=
 536 case "$#" in
 537 1)
 538         # Is it "rebase other $branchname" or "rebase other $commit"?
 539         branch_name="$1"
 540         switch_to="$1"
 541
 542         # Is it a local branch?
 543         if git show-ref --verify --quiet -- "refs/heads/$branch_name" &&
 544            orig_head=$(git rev-parse -q --verify "refs/heads/$branch_name")
 545         then
 546                 head_name="refs/heads/$branch_name"
 547         # If not is it a valid ref (branch or commit)?
 548         elif orig_head=$(git rev-parse -q --verify "$branch_name")
 549         then
 550                 head_name="detached HEAD"
 551
 552         else
 553                 die "$(eval_gettext "fatal: no such branch/commit '\$branch_name'")"
 554         fi
 555         ;;
 556 0)
 557         # Do not need to switch branches, we are already on it.
 558         if branch_name=$(git symbolic-ref -q HEAD)
 559         then
 560                 head_name=$branch_name
 561                 branch_name=$(expr "z$branch_name" : 'zrefs/heads/\(.*\)')
 562         else
 563                 head_name="detached HEAD"
 564                 branch_name=HEAD
 565         fi
 566         orig_head=$(git rev-parse --verify HEAD) || exit
 567         ;;
 568 *)
 569         die "BUG: unexpected number of arguments left to parse"
 570         ;;
 571 esac
 572
 573 if test "$fork_point" = t
 574 then
 575         new_upstream=$(git merge-base --fork-point "$upstream_name" \
 576                         "${switch_to:-HEAD}")
 577         if test -n "$new_upstream"
 578         then
 579                 restrict_revision=$new_upstream
 580         fi
 581 fi
 582
 583 if test "$autostash" = true && ! (require_clean_work_tree) 2>/dev/null
 584 then
 585         stash_sha1=$(git stash create "autostash") ||
 586         die "$(gettext 'Cannot autostash')"
 587
 588         mkdir -p "$state_dir" &&
 589         echo $stash_sha1 >"$state_dir/autostash" &&
 590         stash_abbrev=$(git rev-parse --short $stash_sha1) &&
 591         echo "$(eval_gettext 'Created autostash: $stash_abbrev')" &&
 592         git reset --hard
 593 fi
 594
 595 require_clean_work_tree "rebase" "$(gettext "Please commit or stash them.")"
 596
 597 # Now we are rebasing commits $upstream..$orig_head (or with --root,
 598 # everything leading up to $orig_head) on top of $onto
 599
 600 # Check if we are already based on $onto with linear history,
 601 # but this should be done only when upstream and onto are the same
 602 # and if this is not an interactive rebase.
 603 mb=$(git merge-base "$onto" "$orig_head")
 604 if test "$type" != interactive && test "$upstream" = "$onto" &&
 605         test "$mb" = "$onto" && test -z "$restrict_revision" &&
 606         # linear history?
 607         ! (git rev-list --parents "$onto".."$orig_head" | sane_grep " .* ") > /dev/null
 608 then
 609         if test -z "$force_rebase"
 610         then
 611                 # Lazily switch to the target branch if needed...
 612                 test -z "$switch_to" ||
 613                 GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to" \
 614                         git checkout -q "$switch_to" --
 615                 if test "$branch_name" = "HEAD" &&
 616                          ! git symbolic-ref -q HEAD
 617                 then
 618                         say "$(eval_gettext "HEAD is up to date.")"
 619                 else
 620                         say "$(eval_gettext "Current branch \$branch_name is up to date.")"
 621                 fi
 622                 finish_rebase
 623                 exit 0
 624         else
 625                 if test "$branch_name" = "HEAD" &&
 626                          ! git symbolic-ref -q HEAD
 627                 then
 628                         say "$(eval_gettext "HEAD is up to date, rebase forced.")"
 629                 else
 630                         say "$(eval_gettext "Current branch \$branch_name is up to date, rebase forced.")"
 631                 fi
 632         fi
 633 fi
 634
 635 # If a hook exists, give it a chance to interrupt
 636 run_pre_rebase_hook "$upstream_arg" "$@"
 637
 638 if test -n "$diffstat"
 639 then
 640         if test -n "$verbose"
 641         then
 642                 echo "$(eval_gettext "Changes from \$mb to \$onto:")"
 643         fi
 644         # We want color (if set), but no pager
 645         GIT_PAGER='' git diff --stat --summary "$mb" "$onto"
 646 fi
 647
 648 test "$type" = interactive && run_specific_rebase
 649
 650 # Detach HEAD and reset the tree
 651 say "$(gettext "First, rewinding head to replay your work on top of it...")"
 652
 653 GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $onto_name" \
 654         git checkout -q "$onto^0" || die "could not detach HEAD"
 655 git update-ref ORIG_HEAD $orig_head
 656
 657 # If the $onto is a proper descendant of the tip of the branch, then
 658 # we just fast-forwarded.
 659 if test "$mb" = "$orig_head"
 660 then
 661         say "$(eval_gettext "Fast-forwarded \$branch_name to \$onto_name.")"
 662         move_to_original_branch
 663         finish_rebase
 664         exit 0
 665 fi
 666
 667 if test -n "$rebase_root"
 668 then
 669         revisions="$onto..$orig_head"
 670 else
 671         revisions="${restrict_revision-$upstream}..$orig_head"
 672 fi
 673
 674 run_specific_rebase