At the moment it's an exact copy of git_rebase__interactive except
the name has changed.
Signed-off-by: Wink Saville <w...@saville.com>
---
git-rebase--interactive.sh | 108 +++++++++++++++++++++++++++++++++++++++++++++
git-rebase.sh | 2 +-
2 files changed, 109 insertions(+), 1 deletion(-)
diff --git a/git-rebase--interactive.sh b/git-rebase--interactive.sh
index 2c10a7f1a..ab5513d80 100644
--- a/git-rebase--interactive.sh
+++ b/git-rebase--interactive.sh
@@ -1058,3 +1058,111 @@ git_rebase__interactive () {
complete_action
}
+
+git_rebase__interactive__preserve_merges () {
+ initiate_action "$action"
+ ret=$?
+ if test $ret = 0; then
+ return 0
+ fi
+
+ setup_reflog_action
+ init_basic_state
+
+ if test t = "$preserve_merges"
+ then
+ if test -z "$rebase_root"
+ then
+ mkdir "$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 "$(gettext "Could not init rewritten
commits")"
+ fi
+ # No cherry-pick because our first pass is to determine
+ # parents to rewrite and skipping dropped commits would
+ # prematurely end our probe
+ merges_option=
+ else
+ merges_option="--no-merges --cherry-pick"
+ fi
+
+ init_revisions_and_shortrevisions
+
+ if test t != "$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"/$rev
+ fi
+ done
+ fi
+
+ complete_action
+}
diff --git a/git-rebase.sh b/git-rebase.sh
index 6edf8c5b1..fb64ee1fe 100755
--- a/git-rebase.sh
+++ b/git-rebase.sh
@@ -197,7 +197,7 @@ run_specific_rebase () {
autosquash=
fi
. git-rebase--$type
- git_rebase__$type
+ git_rebase__$type${preserve_merges:+__preserve_merges}
ret=$?
if test $ret -eq 0
then
--
2.16.2
