Signed-off-by: Wink Saville <w...@saville.com>
---
 git-rebase--interactive.sh | 432 ++++++++++++++++++++++-----------------------
 1 file changed, 215 insertions(+), 217 deletions(-)

diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 213d75f43..a79330f45 100644
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -741,27 +741,26 @@ get_missing_commit_check_level () {
 }
 
 git_rebase__interactive () {
-
-case "$action" in
-continue)
-       if test ! -d "$rewritten"
-       then
-               exec git rebase--helper ${force_rebase:+--no-ff} 
$allow_empty_message \
-                       --continue
-       fi
-       # do we have anything to commit?
-       if git diff-index --cached --quiet HEAD --
-       then
-               # Nothing to commit -- skip this commit
-
-               test ! -f "$GIT_DIR"/CHERRY_PICK_HEAD ||
-               rm "$GIT_DIR"/CHERRY_PICK_HEAD ||
-               die "$(gettext "Could not remove CHERRY_PICK_HEAD")"
-       else
-               if ! test -f "$author_script"
+       case "$action" in
+       continue)
+               if test ! -d "$rewritten"
                then
-                       gpg_sign_opt_quoted=${gpg_sign_opt:+$(git rev-parse 
--sq-quote "$gpg_sign_opt")}
-                       die "$(eval_gettext "\
+                       exec git rebase--helper ${force_rebase:+--no-ff} 
$allow_empty_message \
+                               --continue
+               fi
+               # do we have anything to commit?
+               if git diff-index --cached --quiet HEAD --
+               then
+                       # Nothing to commit -- skip this commit
+
+                       test ! -f "$GIT_DIR"/CHERRY_PICK_HEAD ||
+                       rm "$GIT_DIR"/CHERRY_PICK_HEAD ||
+                       die "$(gettext "Could not remove CHERRY_PICK_HEAD")"
+               else
+                       if ! test -f "$author_script"
+                       then
+                               gpg_sign_opt_quoted=${gpg_sign_opt:+$(git 
rev-parse --sq-quote "$gpg_sign_opt")}
+                               die "$(eval_gettext "\
 You have staged changes in your working tree.
 If these changes are meant to be
 squashed into the previous commit, run:
@@ -776,197 +775,197 @@ In both cases, once you're done, continue with:
 
   git rebase --continue
 ")"
-               fi
-               . "$author_script" ||
-                       die "$(gettext "Error trying to find the author 
identity to amend commit")"
-               if test -f "$amend"
-               then
-                       current_head=$(git rev-parse --verify HEAD)
-                       test "$current_head" = $(cat "$amend") ||
-                       die "$(gettext "\
+                       fi
+                       . "$author_script" ||
+                               die "$(gettext "Error trying to find the author 
identity to amend commit")"
+                       if test -f "$amend"
+                       then
+                               current_head=$(git rev-parse --verify HEAD)
+                               test "$current_head" = $(cat "$amend") ||
+                               die "$(gettext "\
 You have uncommitted changes in your working tree. Please commit them
 first and then run 'git rebase --continue' again.")"
-                       do_with_author git commit --amend --no-verify -F "$msg" 
-e \
-                               ${gpg_sign_opt:+"$gpg_sign_opt"} 
$allow_empty_message ||
-                               die "$(gettext "Could not commit staged 
changes.")"
-               else
-                       do_with_author git commit --no-verify -F "$msg" -e \
-                               ${gpg_sign_opt:+"$gpg_sign_opt"} 
$allow_empty_message ||
-                               die "$(gettext "Could not commit staged 
changes.")"
+                               do_with_author git commit --amend --no-verify 
-F "$msg" -e \
+                                       ${gpg_sign_opt:+"$gpg_sign_opt"} 
$allow_empty_message ||
+                                       die "$(gettext "Could not commit staged 
changes.")"
+                       else
+                               do_with_author git commit --no-verify -F "$msg" 
-e \
+                                       ${gpg_sign_opt:+"$gpg_sign_opt"} 
$allow_empty_message ||
+                                       die "$(gettext "Could not commit staged 
changes.")"
+                       fi
                fi
-       fi
 
-       if test -r "$state_dir"/stopped-sha
-       then
-               record_in_rewritten "$(cat "$state_dir"/stopped-sha)"
-       fi
+               if test -r "$state_dir"/stopped-sha
+               then
+                       record_in_rewritten "$(cat "$state_dir"/stopped-sha)"
+               fi
 
-       require_clean_work_tree "rebase"
-       do_rest
-       return 0
-       ;;
-skip)
-       git rerere clear
+               require_clean_work_tree "rebase"
+               do_rest
+               return 0
+               ;;
+       skip)
+               git rerere clear
 
-       if test ! -d "$rewritten"
-       then
-               exec git rebase--helper ${force_rebase:+--no-ff} 
$allow_empty_message \
-                       --continue
-       fi
-       do_rest
-       return 0
-       ;;
-edit-todo)
-       git stripspace --strip-comments <"$todo" >"$todo".new
-       mv -f "$todo".new "$todo"
-       collapse_todo_ids
-       append_todo_help
-       gettext "
+               if test ! -d "$rewritten"
+               then
+                       exec git rebase--helper ${force_rebase:+--no-ff} 
$allow_empty_message \
+                               --continue
+               fi
+               do_rest
+               return 0
+               ;;
+       edit-todo)
+               git stripspace --strip-comments <"$todo" >"$todo".new
+               mv -f "$todo".new "$todo"
+               collapse_todo_ids
+               append_todo_help
+               gettext "
 You are editing the todo file of an ongoing interactive rebase.
 To continue rebase after editing, run:
     git rebase --continue
 
 " | git stripspace --comment-lines >>"$todo"
 
-       git_sequence_editor "$todo" ||
-               die "$(gettext "Could not execute editor")"
-       expand_todo_ids
-
-       exit
-       ;;
-show-current-patch)
-       exec git show REBASE_HEAD --
-       ;;
-esac
-
-comment_for_reflog start
+               git_sequence_editor "$todo" ||
+                       die "$(gettext "Could not execute editor")"
+               expand_todo_ids
 
-if test ! -z "$switch_to"
-then
-       GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to"
-       output git checkout "$switch_to" -- ||
-               die "$(eval_gettext "Could not checkout \$switch_to")"
+               exit
+               ;;
+       show-current-patch)
+               exec git show REBASE_HEAD --
+               ;;
+       esac
 
        comment_for_reflog start
-fi
-
-orig_head=$(git rev-parse --verify HEAD) || die "$(gettext "No HEAD?")"
-mkdir -p "$state_dir" || die "$(eval_gettext "Could not create temporary 
\$state_dir")"
-rm -f "$(git rev-parse --git-path REBASE_HEAD)"
 
-: > "$state_dir"/interactive || die "$(gettext "Could not mark as 
interactive")"
-write_basic_state
-if test t = "$preserve_merges"
-then
-       if test -z "$rebase_root"
+       if test ! -z "$switch_to"
        then
-               mkdir "$rewritten" &&
-               for c in $(git merge-base --all $orig_head $upstream)
-               do
-                       echo $onto > "$rewritten"/$c ||
-                               die "$(gettext "Could not init rewritten 
commits")"
-               done
-       else
-               mkdir "$rewritten" &&
-               echo $onto > "$rewritten"/root ||
-                       die "$(gettext "Could not init rewritten commits")"
+               GIT_REFLOG_ACTION="$GIT_REFLOG_ACTION: checkout $switch_to"
+               output git checkout "$switch_to" -- ||
+                       die "$(eval_gettext "Could not checkout \$switch_to")"
+
+               comment_for_reflog start
        fi
-       # No cherry-pick because our first pass is to determine
-       # parents to rewrite and skipping dropped commits would
-       # prematurely end our probe
-       merges_option=
-else
-       merges_option="--no-merges --cherry-pick"
-fi
-
-shorthead=$(git rev-parse --short $orig_head)
-shortonto=$(git rev-parse --short $onto)
-if test -z "$rebase_root"
-       # this is now equivalent to ! -z "$upstream"
-then
-       shortupstream=$(git rev-parse --short $upstream)
-       revisions=$upstream...$orig_head
-       shortrevisions=$shortupstream..$shorthead
-else
-       revisions=$onto...$orig_head
-       shortrevisions=$shorthead
-fi
-if test t != "$preserve_merges"
-then
-       git rebase--helper --make-script ${keep_empty:+--keep-empty} \
-               $revisions ${restrict_revision+^$restrict_revision} >"$todo" ||
-       die "$(gettext "Could not generate todo list")"
-else
-       format=$(git config --get rebase.instructionFormat)
-       # the 'rev-list .. | sed' requires %m to parse; the instruction 
requires %H to parse
-       git rev-list $merges_option --format="%m%H ${format:-%s}" \
-               --reverse --left-right --topo-order \
-               $revisions ${restrict_revision+^$restrict_revision} | \
-               sed -n "s/^>//p" |
-       while read -r sha1 rest
-       do
 
-               if test -z "$keep_empty" && is_empty_commit $sha1 && ! 
is_merge_commit $sha1
-               then
-                       comment_out="$comment_char "
-               else
-                       comment_out=
-               fi
+       orig_head=$(git rev-parse --verify HEAD) || die "$(gettext "No HEAD?")"
+       mkdir -p "$state_dir" || die "$(eval_gettext "Could not create 
temporary \$state_dir")"
+       rm -f "$(git rev-parse --git-path REBASE_HEAD)"
 
+       : > "$state_dir"/interactive || die "$(gettext "Could not mark as 
interactive")"
+       write_basic_state
+       if test t = "$preserve_merges"
+       then
                if test -z "$rebase_root"
                then
-                       preserve=t
-                       for p in $(git rev-list --parents -1 $sha1 | cut -d' ' 
-s -f2-)
+                       mkdir "$rewritten" &&
+                       for c in $(git merge-base --all $orig_head $upstream)
                        do
-                               if test -f "$rewritten"/$p
-                               then
-                                       preserve=f
-                               fi
+                               echo $onto > "$rewritten"/$c ||
+                                       die "$(gettext "Could not init 
rewritten commits")"
                        done
                else
-                       preserve=f
-               fi
-               if test f = "$preserve"
-               then
-                       touch "$rewritten"/$sha1
-                       printf '%s\n' "${comment_out}pick $sha1 $rest" >>"$todo"
-               fi
-       done
-fi
-
-# Watch for commits that been dropped by --cherry-pick
-if test t = "$preserve_merges"
-then
-       mkdir "$dropped"
-       # Save all non-cherry-picked changes
-       git rev-list $revisions --left-right --cherry-pick | \
-               sed -n "s/^>//p" > "$state_dir"/not-cherry-picks
-       # Now all commits and note which ones are missing in
-       # not-cherry-picks and hence being dropped
-       git rev-list $revisions |
-       while read rev
-       do
-               if test -f "$rewritten"/$rev &&
-                  ! sane_grep "$rev" "$state_dir"/not-cherry-picks >/dev/null
-               then
-                       # Use -f2 because if rev-list is telling us this commit 
is
-                       # not worthwhile, we don't want to track its multiple 
heads,
-                       # just the history of its first-parent for others that 
will
-                       # be rebasing on top of it
-                       git rev-list --parents -1 $rev | cut -d' ' -s -f2 > 
"$dropped"/$rev
-                       sha1=$(git rev-list -1 $rev)
-                       sane_grep -v "^[a-z][a-z]* $sha1" <"$todo" > "${todo}2" 
; mv "${todo}2" "$todo"
-                       rm "$rewritten"/$rev
+                       mkdir "$rewritten" &&
+                       echo $onto > "$rewritten"/root ||
+                               die "$(gettext "Could not init rewritten 
commits")"
                fi
-       done
-fi
+               # No cherry-pick because our first pass is to determine
+               # parents to rewrite and skipping dropped commits would
+               # prematurely end our probe
+               merges_option=
+       else
+               merges_option="--no-merges --cherry-pick"
+       fi
+
+       shorthead=$(git rev-parse --short $orig_head)
+       shortonto=$(git rev-parse --short $onto)
+       if test -z "$rebase_root"
+               # this is now equivalent to ! -z "$upstream"
+       then
+               shortupstream=$(git rev-parse --short $upstream)
+               revisions=$upstream...$orig_head
+               shortrevisions=$shortupstream..$shorthead
+       else
+               revisions=$onto...$orig_head
+               shortrevisions=$shorthead
+       fi
+       if test t != "$preserve_merges"
+       then
+               git rebase--helper --make-script ${keep_empty:+--keep-empty} \
+                       $revisions ${restrict_revision+^$restrict_revision} 
>"$todo" ||
+               die "$(gettext "Could not generate todo list")"
+       else
+               format=$(git config --get rebase.instructionFormat)
+               # the 'rev-list .. | sed' requires %m to parse; the instruction 
requires %H to parse
+               git rev-list $merges_option --format="%m%H ${format:-%s}" \
+                       --reverse --left-right --topo-order \
+                       $revisions ${restrict_revision+^$restrict_revision} | \
+                       sed -n "s/^>//p" |
+               while read -r sha1 rest
+               do
+
+                       if test -z "$keep_empty" && is_empty_commit $sha1 && ! 
is_merge_commit $sha1
+                       then
+                               comment_out="$comment_char "
+                       else
+                               comment_out=
+                       fi
+
+                       if test -z "$rebase_root"
+                       then
+                               preserve=t
+                               for p in $(git rev-list --parents -1 $sha1 | 
cut -d' ' -s -f2-)
+                               do
+                                       if test -f "$rewritten"/$p
+                                       then
+                                               preserve=f
+                                       fi
+                               done
+                       else
+                               preserve=f
+                       fi
+                       if test f = "$preserve"
+                       then
+                               touch "$rewritten"/$sha1
+                               printf '%s\n' "${comment_out}pick $sha1 $rest" 
>>"$todo"
+                       fi
+               done
+       fi
+
+       # Watch for commits that been dropped by --cherry-pick
+       if test t = "$preserve_merges"
+       then
+               mkdir "$dropped"
+               # Save all non-cherry-picked changes
+               git rev-list $revisions --left-right --cherry-pick | \
+                       sed -n "s/^>//p" > "$state_dir"/not-cherry-picks
+               # Now all commits and note which ones are missing in
+               # not-cherry-picks and hence being dropped
+               git rev-list $revisions |
+               while read rev
+               do
+                       if test -f "$rewritten"/$rev &&
+                          ! sane_grep "$rev" "$state_dir"/not-cherry-picks 
>/dev/null
+                       then
+                               # Use -f2 because if rev-list is telling us 
this commit is
+                               # not worthwhile, we don't want to track its 
multiple heads,
+                               # just the history of its first-parent for 
others that will
+                               # be rebasing on top of it
+                               git rev-list --parents -1 $rev | cut -d' ' -s 
-f2 > "$dropped"/$rev
+                               sha1=$(git rev-list -1 $rev)
+                               sane_grep -v "^[a-z][a-z]* $sha1" <"$todo" > 
"${todo}2" ; mv "${todo}2" "$todo"
+                               rm "$rewritten"/$rev
+                       fi
+               done
+       fi
 
-test -s "$todo" || echo noop >> "$todo"
-test -z "$autosquash" || git rebase--helper --rearrange-squash || exit
-test -n "$cmd" && git rebase--helper --add-exec-commands "$cmd"
+       test -s "$todo" || echo noop >> "$todo"
+       test -z "$autosquash" || git rebase--helper --rearrange-squash || exit
+       test -n "$cmd" && git rebase--helper --add-exec-commands "$cmd"
 
-todocount=$(git stripspace --strip-comments <"$todo" | wc -l)
-todocount=${todocount##* }
+       todocount=$(git stripspace --strip-comments <"$todo" | wc -l)
+       todocount=${todocount##* }
 
 cat >>"$todo" <<EOF
 
@@ -975,48 +974,47 @@ $comment_char $(eval_ngettext \
        "Rebase \$shortrevisions onto \$shortonto (\$todocount commands)" \
        "$todocount")
 EOF
-append_todo_help
-gettext "
-However, if you remove everything, the rebase will be aborted.
-
-" | git stripspace --comment-lines >>"$todo"
+       append_todo_help
+       gettext "
+       However, if you remove everything, the rebase will be aborted.
 
-if test -z "$keep_empty"
-then
-       printf '%s\n' "$comment_char $(gettext "Note that empty commits are 
commented out")" >>"$todo"
-fi
+       " | git stripspace --comment-lines >>"$todo"
 
+       if test -z "$keep_empty"
+       then
+               printf '%s\n' "$comment_char $(gettext "Note that empty commits 
are commented out")" >>"$todo"
+       fi
 
-has_action "$todo" ||
-       return 2
 
-cp "$todo" "$todo".backup
-collapse_todo_ids
-git_sequence_editor "$todo" ||
-       die_abort "$(gettext "Could not execute editor")"
+       has_action "$todo" ||
+               return 2
 
-has_action "$todo" ||
-       return 2
+       cp "$todo" "$todo".backup
+       collapse_todo_ids
+       git_sequence_editor "$todo" ||
+               die_abort "$(gettext "Could not execute editor")"
 
-git rebase--helper --check-todo-list || {
-       ret=$?
-       checkout_onto
-       exit $ret
-}
+       has_action "$todo" ||
+               return 2
 
-expand_todo_ids
+       git rebase--helper --check-todo-list || {
+               ret=$?
+               checkout_onto
+               exit $ret
+       }
 
-test -d "$rewritten" || test -n "$force_rebase" ||
-onto="$(git rebase--helper --skip-unnecessary-picks)" ||
-die "Could not skip unnecessary pick commands"
+       expand_todo_ids
 
-checkout_onto
-if test -z "$rebase_root" && test ! -d "$rewritten"
-then
-       require_clean_work_tree "rebase"
-       exec git rebase--helper ${force_rebase:+--no-ff} $allow_empty_message \
-               --continue
-fi
-do_rest
+       test -d "$rewritten" || test -n "$force_rebase" ||
+       onto="$(git rebase--helper --skip-unnecessary-picks)" ||
+       die "Could not skip unnecessary pick commands"
 
+       checkout_onto
+       if test -z "$rebase_root" && test ! -d "$rewritten"
+       then
+               require_clean_work_tree "rebase"
+               exec git rebase--helper ${force_rebase:+--no-ff} 
$allow_empty_message \
+                       --continue
+       fi
+       do_rest
 }
-- 
2.16.2

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