git-rebase--interactive.sh

   1 # This shell script fragment is sourced by git-rebase to implement
   2 # its interactive mode.  "git rebase --interactive" makes it easy
   3 # to fix up commits in the middle of a series and rearrange commits.
   4 #
   5 # Copyright (c) 2006 Johannes E. Schindelin
   6 #
   7 # The original idea comes from Eric W. Biederman, in
   8 # https://public-inbox.org/git/m1odwkyuf5.fsf_-_@ebiederm.dsl.xmission.com/
   9 #
  10 # The file containing rebase commands, comments, and empty lines.
  11 # This file is created by "git rebase -i" then edited by the user.  As
  12 # the lines are processed, they are removed from the front of this
  13 # file and written to the tail of $done.
  14 todo="$state_dir"/git-rebase-todo
  15
  16 GIT_CHERRY_PICK_HELP="$resolvemsg"
  17 export GIT_CHERRY_PICK_HELP
  18
  19 # Initiate an action. If the cannot be any
  20 # further action it  may exec a command
  21 # or exit and not return.
  22 #
  23 # TODO: Consider a cleaner return model so it
  24 # never exits and always return 0 if process
  25 # is complete.
  26 #
  27 # Parameter 1 is the action to initiate.
  28 #
  29 # Returns 0 if the action was able to complete
  30 # and if 1 if further processing is required.
  31 initiate_action () {
  32         case "$1" in
  33         continue)
  34                 exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \
  35                      --continue
  36                 ;;
  37         skip)
  38                 git rerere clear
  39                 exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \
  40                      --continue
  41                 ;;
  42         edit-todo)
  43                 exec git rebase--helper --edit-todo
  44                 ;;
  45         show-current-patch)
  46                 exec git show REBASE_HEAD --
  47                 ;;
  48         *)
  49                 return 1 # continue
  50                 ;;
  51         esac
  52 }
  53
  54 init_basic_state () {
  55         orig_head=$(git rev-parse --verify HEAD) || die "$(gettext "No HEAD?")"
  56         mkdir -p "$state_dir" || die "$(eval_gettext "Could not create temporary \$state_dir")"
  57         rm -f "$(git rev-parse --git-path REBASE_HEAD)"
  58
  59         : > "$state_dir"/interactive || die "$(gettext "Could not mark as interactive")"
  60 }
  61
  62 git_rebase__interactive () {
  63         initiate_action "$action"
  64         ret=$?
  65         if test $ret = 0; then
  66                 return 0
  67         fi
  68
  69         git rebase--helper --prepare-branch "$switch_to" ${verbose:+--verbose}
  70         init_basic_state
  71
  72         git rebase--helper --init-basic-state ${upstream:+--upstream "$upstream"} \
  73                 ${onto:+--onto "$onto"} ${head_name:+--head-name "$head_name"} \
  74                 ${verbose:+--verbose} ${strategy:+--strategy "$strategy"} \
  75                 ${strategy_opts:+--strategy-opts="$strategy_opts"} \
  76                 "$allow_rerere_autoupdate" "$gpg_sign_opt" "$signoff" || exit
  77
  78         git rebase--helper --make-script ${keep_empty:+--keep-empty} \
  79                 ${rebase_merges:+--rebase-merges} \
  80                 ${rebase_cousins:+--rebase-cousins} \
  81                 ${upstream:+--upstream "$upstream"} ${onto:+--onto "$onto"} \
  82                 ${squash_onto:+--squash-onto "$squash_onto"} \
  83                 ${restrict_revision:+--restrict-revision ^"$restrict_revision"} >"$todo" ||
  84         die "$(gettext "Could not generate todo list")"
  85
  86         exec git rebase--helper --complete-action "$onto_name" "$cmd" \
  87                 $allow_empty_message ${autosquash:+--autosquash} ${verbose:+--verbose} \
  88                 ${keep_empty:+--keep-empty} ${force_rebase:+--no-ff} \
  89                 ${upstream:+--upstream "$upstream"} ${onto:+--onto "$onto"}
  90 }