sequencer.c: rework search for start of footer to improve clarity
[gitweb.git] / git-rebase--interactive.sh
index bef7bc0444bab7b7e511c6e29417ce6db44b77ef..44901d53c43d972e03a71bfbe0b769f2e8f22d7b 100644 (file)
@@ -115,6 +115,23 @@ mark_action_done () {
        fi
 }
 
+append_todo_help () {
+       cat >> "$todo" << EOF
+#
+# Commands:
+#  p, pick = use commit
+#  r, reword = use commit, but edit the commit message
+#  e, edit = use commit, but stop for amending
+#  s, squash = use commit, but meld into previous commit
+#  f, fixup = like "squash", but discard this commit's log message
+#  x, exec = run command (the rest of the line) using shell
+#
+# These lines can be re-ordered; they are executed from top to bottom.
+#
+# If you remove a line here THAT COMMIT WILL BE LOST.
+EOF
+}
+
 make_patch () {
        sha1_and_parents="$(git rev-list --parents -1 "$1")"
        case "$sha1_and_parents" in
@@ -493,25 +510,28 @@ 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"
@@ -541,6 +561,10 @@ do_next () {
                        warn
                        warn "  git rebase --continue"
                        warn
+                       if test $status -eq 127         # command not found
+                       then
+                               status=1
+                       fi
                        exit "$status"
                elif test "$dirty" = t
                then
@@ -555,22 +579,22 @@ do_next () {
                ;;
        *)
                warn "Unknown command: $command $sha1 $rest"
+               fixtodo="Please fix this using 'git rebase --edit-todo'."
                if git rev-parse --verify -q "$sha1" >/dev/null
                then
-                       die_with_patch $sha1 "Please fix this in the file $todo."
+                       die_with_patch $sha1 "$fixtodo"
                else
-                       die "Please fix this in the file $todo."
+                       die "$fixtodo"
                fi
                ;;
        esac
        test -s "$todo" && return
 
        comment_for_reflog finish &&
-       shortonto=$(git rev-parse --short $onto) &&
        newhead=$(git rev-parse HEAD) &&
        case $head_name in
        refs/*)
-               message="$GIT_REFLOG_ACTION: $head_name onto $shortonto" &&
+               message="$GIT_REFLOG_ACTION: $head_name onto $onto" &&
                git update-ref -m "$message" $head_name $newhead $orig_head &&
                git symbolic-ref \
                  -m "$GIT_REFLOG_ACTION: returning to $head_name" \
@@ -748,7 +772,6 @@ In both case, once you're done, continue with:
                fi
                . "$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)
@@ -756,13 +779,12 @@ 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)"
@@ -775,6 +797,23 @@ skip)
 
        do_rest
        ;;
+edit-todo)
+       sed -e '/^#/d' < "$todo" > "$todo".new
+       mv -f "$todo".new "$todo"
+       append_todo_help
+       cat >> "$todo" << EOF
+#
+# You are editing the todo file of an ongoing interactive rebase.
+# To continue rebase after editing, run:
+#     git rebase --continue
+#
+EOF
+
+       git_sequence_editor "$todo" ||
+               die "Could not execute editor"
+
+       exit
+       ;;
 esac
 
 git var GIT_COMMITTER_IDENT >/dev/null ||
@@ -901,18 +940,10 @@ test -n "$cmd" && add_exec_commands "$todo"
 cat >> "$todo" << EOF
 
 # Rebase $shortrevisions onto $shortonto
+EOF
+append_todo_help
+cat >> "$todo" << EOF
 #
-# Commands:
-#  p, pick = use commit
-#  r, reword = use commit, but edit the commit message
-#  e, edit = use commit, but stop for amending
-#  s, squash = use commit, but meld into previous commit
-#  f, fixup = like "squash", but discard this commit's log message
-#  x, exec = run command (the rest of the line) using shell
-#
-# These lines can be re-ordered; they are executed from top to bottom.
-#
-# If you remove a line here THAT COMMIT WILL BE LOST.
 # However, if you remove everything, the rebase will be aborted.
 #
 EOF