Hi Johannes
I think this would be a useful addition to rebase, there's one small
comment below.
On 10/10/2018 09:53, Johannes Schindelin via GitGitGadget wrote:
> From: Johannes Schindelin <johannes.schinde...@gmx.de>
>
> The 'edit' command can be used to cherry-pick a commit and then
> immediately drop out of the interactive rebase, with exit code 0, to let
> the user amend the commit, or test it, or look around.
>
> Sometimes this functionality would come in handy *without*
> cherry-picking a commit, e.g. to interrupt the interactive rebase even
> before cherry-picking a commit, or immediately after an 'exec' or a
> 'merge'.
>
> This commit introduces that functionality, as the spanking new 'break'
> command.
>
> Suggested-by: Stefan Beller <sbel...@google.com>
> Signed-off-by: Johannes Schindelin <johannes.schinde...@gmx.de>
> ---
> Documentation/git-rebase.txt | 3 +++
> rebase-interactive.c | 1 +
> sequencer.c | 7 ++++++-
> t/lib-rebase.sh | 2 +-
> t/t3418-rebase-continue.sh | 9 +++++++++
> 5 files changed, 20 insertions(+), 2 deletions(-)
>
> diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt
> index db2faca73c..5bed1da36b 100644
> --- a/Documentation/git-rebase.txt
> +++ b/Documentation/git-rebase.txt
> @@ -561,6 +561,9 @@ By replacing the command "pick" with the command "edit",
> you can tell
> the files and/or the commit message, amend the commit, and continue
> rebasing.
>
> +To interrupt the rebase (just like an "edit" command would do, but without
> +cherry-picking any commit first), use the "break" command.
> +
> If you just want to edit the commit message for a commit, replace the
> command "pick" with the command "reword".
>
> diff --git a/rebase-interactive.c b/rebase-interactive.c
> index 0f4119cbae..78f3263fc1 100644
> --- a/rebase-interactive.c
> +++ b/rebase-interactive.c
> @@ -14,6 +14,7 @@ void append_todo_help(unsigned edit_todo, unsigned
> keep_empty,
> "s, squash <commit> = use commit, but meld into previous commit\n"
> "f, fixup <commit> = like \"squash\", but discard this commit's log
> message\n"
> "x, exec <command> = run command (the rest of the line) using shell\n"
> +"b, break = stop here (continue rebase later with 'git rebase --continue')\n"
> "d, drop <commit> = remove commit\n"
> "l, label <label> = label current HEAD with a name\n"
> "t, reset <label> = reset HEAD to a label\n"
> diff --git a/sequencer.c b/sequencer.c
> index 8dd6db5a01..b209f8af46 100644
> --- a/sequencer.c
> +++ b/sequencer.c
> @@ -1416,6 +1416,7 @@ enum todo_command {
> TODO_SQUASH,
> /* commands that do something else than handling a single commit */
> TODO_EXEC,
> + TODO_BREAK,
> TODO_LABEL,
> TODO_RESET,
> TODO_MERGE,
> @@ -1437,6 +1438,7 @@ static struct {
> { 'f', "fixup" },
> { 's', "squash" },
> { 'x', "exec" },
> + { 'b', "break" },
> { 'l', "label" },
> { 't', "reset" },
> { 'm', "merge" },
> @@ -1964,7 +1966,7 @@ static int parse_insn_line(struct todo_item *item,
> const char *bol, char *eol)
> padding = strspn(bol, " \t");
> bol += padding;
>
> - if (item->command == TODO_NOOP) {
> + if (item->command == TODO_NOOP || item->command == TODO_BREAK) {
> if (bol != eol)
> return error(_("%s does not accept arguments: '%s'"),
> command_to_string(item->command), bol);
> @@ -3293,6 +3295,9 @@ static int pick_commits(struct todo_list *todo_list,
> struct replay_opts *opts)
> unlink(rebase_path_stopped_sha());
> unlink(rebase_path_amend());
> delete_ref(NULL, "REBASE_HEAD", NULL, REF_NO_DEREF);
> +
> + if (item->command == TODO_BREAK)
> + break;
Normally when rebase stops it prints a message to say where it has got
to and how to continue, it might be useful to do the same here
Best Wishes
Phillip
> }
> if (item->command <= TODO_SQUASH) {
> if (is_rebase_i(opts))
> diff --git a/t/lib-rebase.sh b/t/lib-rebase.sh
> index 25a77ee5cb..584604ee63 100644
> --- a/t/lib-rebase.sh
> +++ b/t/lib-rebase.sh
> @@ -49,7 +49,7 @@ set_fake_editor () {
> case $line in
> squash|fixup|edit|reword|drop)
> action="$line";;
> - exec*)
> + exec*|break)
> echo "$line" | sed 's/_/ /g' >> "$1";;
> "#")
> echo '# comment' >> "$1";;
> diff --git a/t/t3418-rebase-continue.sh b/t/t3418-rebase-continue.sh
> index c145dbac38..185a491089 100755
> --- a/t/t3418-rebase-continue.sh
> +++ b/t/t3418-rebase-continue.sh
> @@ -239,5 +239,14 @@ test_rerere_autoupdate -m
> GIT_SEQUENCE_EDITOR=: && export GIT_SEQUENCE_EDITOR
> test_rerere_autoupdate -i
> test_rerere_autoupdate --preserve-merges
> +unset GIT_SEQUENCE_EDITOR
> +
> +test_expect_success 'the todo command "break" works' '
> + rm -f execed &&
> + FAKE_LINES="break exec_>execed" git rebase -i HEAD &&
> + test_path_is_missing execed &&
> + git rebase --continue &&
> + test_path_is_file execed
> +'
>
> test_done
>
