Hi Paul,
On Wed, 28 Nov 2018, Paul Morelle wrote:
> The 'exec' command can be used to run tests on a set of commits,
> interrupting on failing commits to let the user fix the tests.
>
> However, the 'exec' line has been consumed, so it won't be ran again by
> 'git rebase --continue' is ran, even if the tests weren't fixed.
>
> This commit introduces a new command 'test' equivalent to 'exec', except
> that it is automatically rescheduled in the todo list if it fails.
>
> Signed-off-by: Paul Morelle <paul.more...@gmail.com>
Would it not make more sense to add a command-line option (and a config
setting) to re-schedule failed `exec` commands? Like so:
-- snip --
diff --git a/builtin/rebase--interactive.c b/builtin/rebase--interactive.c
index a2ab68ed0632..a9ab009fdbca 100644
--- a/builtin/rebase--interactive.c
+++ b/builtin/rebase--interactive.c
@@ -192,6 +192,8 @@ int cmd_rebase__interactive(int argc, const char **argv,
const char *prefix)
OPT_STRING(0, "onto-name", &onto_name, N_("onto-name"),
N_("onto name")),
OPT_STRING(0, "cmd", &cmd, N_("cmd"), N_("the command to run")),
OPT_RERERE_AUTOUPDATE(&opts.allow_rerere_auto),
+ OPT_BOOL(0, "reschedule-failed-exec",
&opts.reschedule_failed_exec,
+ N_("automatically re-schedule any `exec` that fails")),
OPT_END()
};
diff --git a/builtin/rebase.c b/builtin/rebase.c
index 5b3e5baec8a0..700cbc4e150e 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -104,6 +104,7 @@ struct rebase_options {
int rebase_merges, rebase_cousins;
char *strategy, *strategy_opts;
struct strbuf git_format_patch_opt;
+ int reschedule_failed_exec;
};
static int is_interactive(struct rebase_options *opts)
@@ -415,6 +416,8 @@ static int run_specific_rebase(struct rebase_options *opts)
argv_array_push(&child.args, opts->gpg_sign_opt);
if (opts->signoff)
argv_array_push(&child.args, "--signoff");
+ if (opts->reschedule_failed_exec)
+ argv_array_push(&child.args,
"--reschedule-failed-exec");
status = run_command(&child);
goto finished_rebase;
@@ -903,6 +906,9 @@ int cmd_rebase(int argc, const char **argv, const char
*prefix)
"strategy")),
OPT_BOOL(0, "root", &options.root,
N_("rebase all reachable commits up to the root(s)")),
+ OPT_BOOL(0, "reschedule-failed-exec",
+ &options.reschedule_failed_exec,
+ N_("automatically re-schedule any `exec` that fails")),
OPT_END(),
};
int i;
@@ -1195,6 +1201,9 @@ int cmd_rebase(int argc, const char **argv, const char
*prefix)
break;
}
+ if (options.reschedule_failed_exec && !is_interactive(&options))
+ die(_("--reschedule-failed-exec requires an interactive
rebase"));
+
if (options.git_am_opts.argc) {
/* all am options except -q are compatible only with --am */
for (i = options.git_am_opts.argc - 1; i >= 0; i--)
diff --git a/sequencer.c b/sequencer.c
index e1a4dd15f1a8..69bee63e116f 100644
--- a/sequencer.c
+++ b/sequencer.c
@@ -158,6 +158,7 @@ static GIT_PATH_FUNC(rebase_path_strategy,
"rebase-merge/strategy")
static GIT_PATH_FUNC(rebase_path_strategy_opts, "rebase-merge/strategy_opts")
static GIT_PATH_FUNC(rebase_path_allow_rerere_autoupdate,
"rebase-merge/allow_rerere_autoupdate")
static GIT_PATH_FUNC(rebase_path_quiet, "rebase-merge/quiet")
+static GIT_PATH_FUNC(rebase_path_reschedule_failed_exec,
"rebase-merge/reschedule-failed-exec")
static int git_sequencer_config(const char *k, const char *v, void *cb)
{
@@ -2362,6 +2363,9 @@ static int read_populate_opts(struct replay_opts *opts)
opts->signoff = 1;
}
+ if (file_exists(rebase_path_reschedule_failed_exec()))
+ opts->reschedule_failed_exec = 1;
+
read_strategy_opts(opts, &buf);
strbuf_release(&buf);
@@ -2443,6 +2447,8 @@ int write_basic_state(struct replay_opts *opts, const
char *head_name,
write_file(rebase_path_gpg_sign_opt(), "-S%s\n",
opts->gpg_sign);
if (opts->signoff)
write_file(rebase_path_signoff(), "--signoff\n");
+ if (opts->reschedule_failed_exec)
+ write_file(rebase_path_reschedule_failed_exec(), "%s", "");
return 0;
}
@@ -3586,9 +3592,10 @@ static int pick_commits(struct todo_list *todo_list,
struct replay_opts *opts)
*end_of_arg = saved;
/* Reread the todo file if it has changed. */
- if (res)
- ; /* fall through */
- else if (stat(get_todo_path(opts), &st))
+ if (res) {
+ if (opts->reschedule_failed_exec)
+ reschedule = 1;
+ } else if (stat(get_todo_path(opts), &st))
res = error_errno(_("could not stat '%s'"),
get_todo_path(opts));
else if (match_stat_data(&todo_list->stat, &st)) {
diff --git a/sequencer.h b/sequencer.h
index 5071a73563f1..1f865dae2618 100644
--- a/sequencer.h
+++ b/sequencer.h
@@ -39,6 +39,7 @@ struct replay_opts {
int allow_empty_message;
int keep_redundant_commits;
int verbose;
+ int reschedule_failed_exec;
int mainline;
-- snap --
That would avoid your having to add a `--test` option accompanying the `--exec`
option (which is missing from your patch).
Ciao,
Johannes
> ---
> Documentation/git-rebase.txt | 9 ++++++---
> rebase-interactive.c | 1 +
> sequencer.c | 23 +++++++++++++++--------
> t/lib-rebase.sh | 4 +++-
> t/t3404-rebase-interactive.sh | 16 ++++++++++++++++
> 5 files changed, 41 insertions(+), 12 deletions(-)
>
> diff --git a/Documentation/git-rebase.txt b/Documentation/git-rebase.txt
> index 80793bad8..c8f565637 100644
> --- a/Documentation/git-rebase.txt
> +++ b/Documentation/git-rebase.txt
> @@ -693,8 +693,8 @@ $ git rebase -i -p --onto Q O
> Reordering and editing commits usually creates untested intermediate
> steps. You may want to check that your history editing did not break
> anything by running a test, or at least recompiling at intermediate
> -points in history by using the "exec" command (shortcut "x"). You may
> -do so by creating a todo list like this one:
> +points in history by using the "exec" command (shortcut "x") or the
> +"test" command. You may do so by creating a todo list like this one:
> -------------------------------------------
> pick deadbee Implement feature XXX
> @@ -702,7 +702,7 @@ fixup f1a5c00 Fix to feature XXX
> exec make
> pick c0ffeee The oneline of the next commit
> edit deadbab The oneline of the commit after
> -exec cd subdir; make test
> +test cd subdir; make test
> ...
> -------------------------------------------
> @@ -715,6 +715,9 @@ in `$SHELL`, or the default shell if `$SHELL` is
> not set), so you can
> use shell features (like "cd", ">", ";" ...). The command is run from
> the root of the working tree.
> +The "test" command does the same, but will remain in the todo list as
> +the next command, until it succeeds.
> +
> ----------------------------------
> $ git rebase -i --exec "make test"
> ----------------------------------
> diff --git a/rebase-interactive.c b/rebase-interactive.c
> index 78f3263fc..4a408661d 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"
> +" test <command> = same as exec command, but keep it in TODO if it
> fails\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"
> diff --git a/sequencer.c b/sequencer.c
> index e1a4dd15f..c3dde6910 100644
> --- a/sequencer.c
> +++ b/sequencer.c
> @@ -1508,6 +1508,7 @@ enum todo_command {
> TODO_SQUASH,
> /* commands that do something else than handling a single commit */
> TODO_EXEC,
> + TODO_TEST,
> TODO_BREAK,
> TODO_LABEL,
> TODO_RESET,
> @@ -1530,6 +1531,7 @@ static struct {
> { 'f', "fixup" },
> { 's', "squash" },
> { 'x', "exec" },
> + { 0, "test" },
> { 'b', "break" },
> { 'l', "label" },
> { 't', "reset" },
> @@ -2072,7 +2074,7 @@ static int parse_insn_line(struct todo_item *item,
> const char *bol, char *eol)
> command_to_string(item->command));
> if (item->command == TODO_EXEC || item->command == TODO_LABEL ||
> - item->command == TODO_RESET) {
> + item->command == TODO_RESET || item->command == TODO_TEST) {
> item->commit = NULL;
> item->arg = bol;
> item->arg_len = (int)(eol - bol);
> @@ -3576,7 +3578,7 @@ static int pick_commits(struct todo_list
> *todo_list, struct replay_opts *opts)
> item->arg, item->arg_len, opts,
> res, to_amend);
> }
> - } else if (item->command == TODO_EXEC) {
> + } else if (item->command == TODO_EXEC || item->command ==
> TODO_TEST) {
> char *end_of_arg = (char *)(item->arg + item->arg_len);
> int saved = *end_of_arg;
> struct stat st;
> @@ -3586,9 +3588,12 @@ static int pick_commits(struct todo_list
> *todo_list, struct replay_opts *opts)
> *end_of_arg = saved;
> /* Reread the todo file if it has changed. */
> - if (res)
> + if (res) {
> ; /* fall through */
> - else if (stat(get_todo_path(opts), &st))
> + if (item->command == TODO_TEST) {
> + reschedule = 1;
> + }
> + } else if (stat(get_todo_path(opts), &st))
> res = error_errno(_("could not stat '%s'"),
> get_todo_path(opts));
> else if (match_stat_data(&todo_list->stat, &st)) {
> @@ -3622,10 +3627,12 @@ static int pick_commits(struct todo_list
> *todo_list, struct replay_opts *opts)
> return error(_("unknown command %d"), item->command);
> if (reschedule) {
> - advise(_(rescheduled_advice),
> - get_item_line_length(todo_list,
> - todo_list->current),
> - get_item_line(todo_list, todo_list->current));
> + if (item->command != TODO_TEST) {
> + advise(_(rescheduled_advice),
> + get_item_line_length(todo_list,
> + todo_list->current),
> + get_item_line(todo_list,
> todo_list->current));
> + }
> todo_list->current--;
> if (save_todo(todo_list, opts))
> return -1;
> diff --git a/t/lib-rebase.sh b/t/lib-rebase.sh
> index 7ea30e500..7d36f00bd 100644
> --- a/t/lib-rebase.sh
> +++ b/t/lib-rebase.sh
> @@ -19,6 +19,8 @@
> #
> # "exec_cmd_with_args" -- add an "exec cmd with args" line.
> #
> +# "test_cmd_with_args" -- add a "test cmd with args" line.
> +#
> # "#" -- Add a comment line.
> #
> # ">" -- Add a blank line.
> @@ -49,7 +51,7 @@ set_fake_editor () {
> case $line in
> pick|p|squash|s|fixup|f|edit|e|reword|r|drop|d)
> action="$line";;
> - exec_*|x_*|break|b)
> + exec_*|x_*|break|b|test_*)
> echo "$line" | sed 's/_/ /g' >> "$1";;
> "#")
> echo '# comment' >> "$1";;
> diff --git a/t/t3404-rebase-interactive.sh b/t/t3404-rebase-interactive.sh
> index 7a440e08d..14c60b14d 100755
> --- a/t/t3404-rebase-interactive.sh
> +++ b/t/t3404-rebase-interactive.sh
> @@ -1453,4 +1453,20 @@ test_expect_success 'valid author header when
> author contains single quote' '
> test_cmp expected actual
> '
> +test_expect_success 'rebase -i keeps test until it passes' '
> + git checkout master &&
> + (
> + set_fake_editor &&
> + FAKE_LINES="1 test_false 2 3 4 5" &&
> + export FAKE_LINES &&
> + test_must_fail git rebase -i A &&
> + test_cmp_rev B HEAD &&
> + test_must_fail git rebase --continue &&
> + test_cmp_rev B HEAD &&
> + FAKE_LINES="test_true 2 3 4" git rebase --edit-todo &&
> + git rebase --continue
> + ) &&
> + test_cmp_rev master HEAD
> +'
> +
> test_done
> --
> 2.19.1
>
>
