Merge branch 'jc/doc-git-updates'
[gitweb.git] / git-rebase--interactive.sh
index 5f566726abd51bed534806415207b989d377eeab..0d2056f027cbd6811faee3c45088a11b24d86102 100644 (file)
@@ -9,9 +9,7 @@
 #
 # The original idea comes from Eric W. Biederman, in
 # http://article.gmane.org/gmane.comp.version-control.git/22407
-
-. git-sh-setup
-
+#
 # The file containing rebase commands, comments, and empty lines.
 # This file is created by "git rebase -i" then edited by the user.  As
 # the lines are processed, they are removed from the front of this
@@ -417,6 +415,29 @@ record_in_rewritten() {
        esac
 }
 
+do_pick () {
+       if test "$(git rev-parse HEAD)" = "$squash_onto"
+       then
+               # Set the correct commit message and author info on the
+               # sentinel root before cherry-picking the original changes
+               # without committing (-n).  Finally, update the sentinel again
+               # to include these changes.  If the cherry-pick results in a
+               # conflict, this means our behaviour is similar to a standard
+               # failed cherry-pick during rebase, with a dirty index to
+               # resolve before manually running git commit --amend then git
+               # rebase --continue.
+               git commit --allow-empty --allow-empty-message --amend \
+                          --no-post-rewrite -n -q -C $1 &&
+                       pick_one -n $1 &&
+                       git commit --allow-empty --allow-empty-message \
+                                  --amend --no-post-rewrite -n -q -C $1 ||
+                       die_with_patch $1 "Could not apply $1... $2"
+       else
+               pick_one $1 ||
+                       die_with_patch $1 "Could not apply $1... $2"
+       fi
+}
+
 do_next () {
        rm -f "$msg" "$author_script" "$amend" || exit
        read -r command sha1 rest < "$todo"
@@ -428,16 +449,14 @@ do_next () {
                comment_for_reflog pick
 
                mark_action_done
-               pick_one $sha1 ||
-                       die_with_patch $sha1 "Could not apply $sha1... $rest"
+               do_pick $sha1 "$rest"
                record_in_rewritten $sha1
                ;;
        reword|r)
                comment_for_reflog reword
 
                mark_action_done
-               pick_one $sha1 ||
-                       die_with_patch $sha1 "Could not apply $sha1... $rest"
+               do_pick $sha1 "$rest"
                git commit --amend --no-post-rewrite || {
                        warn "Could not amend commit after successfully picking $sha1... $rest"
                        warn "This is most likely due to an empty commit message, or the pre-commit hook"
@@ -451,8 +470,7 @@ do_next () {
                comment_for_reflog edit
 
                mark_action_done
-               pick_one $sha1 ||
-                       die_with_patch $sha1 "Could not apply $sha1... $rest"
+               do_pick $sha1 "$rest"
                warn "Stopped at $sha1... $rest"
                exit_with_patch $sha1 0
                ;;
@@ -475,25 +493,28 @@ do_next () {
                author_script_content=$(get_author_ident_from_commit HEAD)
                echo "$author_script_content" > "$author_script"
                eval "$author_script_content"
-               output git reset --soft HEAD^
-               pick_one -n $sha1 || die_failed_squash $sha1 "$rest"
+               if ! pick_one -n $sha1
+               then
+                       git rev-parse --verify HEAD >"$amend"
+                       die_failed_squash $sha1 "$rest"
+               fi
                case "$(peek_next_command)" in
                squash|s|fixup|f)
                        # This is an intermediate commit; its message will only be
                        # used in case of trouble.  So use the long version:
-                       do_with_author output git commit --no-verify -F "$squash_msg" ||
+                       do_with_author output git commit --amend --no-verify -F "$squash_msg" ||
                                die_failed_squash $sha1 "$rest"
                        ;;
                *)
                        # This is the final command of this squash/fixup group
                        if test -f "$fixup_msg"
                        then
-                               do_with_author git commit --no-verify -F "$fixup_msg" ||
+                               do_with_author git commit --amend --no-verify -F "$fixup_msg" ||
                                        die_failed_squash $sha1 "$rest"
                        else
                                cp "$squash_msg" "$GIT_DIR"/SQUASH_MSG || exit
                                rm -f "$GIT_DIR"/MERGE_MSG
-                               do_with_author git commit --no-verify -e ||
+                               do_with_author git commit --amend --no-verify -F "$GIT_DIR"/SQUASH_MSG -e ||
                                        die_failed_squash $sha1 "$rest"
                        fi
                        rm -f "$squash_msg" "$fixup_msg"
@@ -730,7 +751,6 @@ In both case, once you're done, continue with:
                fi
                . "$author_script" ||
                        die "Error trying to find the author identity to amend commit"
-               current_head=
                if test -f "$amend"
                then
                        current_head=$(git rev-parse --verify HEAD)
@@ -738,13 +758,12 @@ In both case, once you're done, continue with:
                        die "\
 You have uncommitted changes in your working tree. Please, commit them
 first and then run 'git rebase --continue' again."
-                       git reset --soft HEAD^ ||
-                       die "Cannot rewind the HEAD"
+                       do_with_author git commit --amend --no-verify -F "$msg" -e ||
+                               die "Could not commit staged changes."
+               else
+                       do_with_author git commit --no-verify -F "$msg" -e ||
+                               die "Could not commit staged changes."
                fi
-               do_with_author git commit --no-verify -F "$msg" -e || {
-                       test -n "$current_head" && git reset --soft $current_head
-                       die "Could not commit staged changes."
-               }
        fi
 
        record_in_rewritten "$(cat "$state_dir"/stopped-sha)"