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Diffstat (limited to 'builtin')
-rw-r--r--builtin/rebase.c52
1 files changed, 52 insertions, 0 deletions
diff --git a/builtin/rebase.c b/builtin/rebase.c
index 537b324..669690f 100644
--- a/builtin/rebase.c
+++ b/builtin/rebase.c
@@ -50,8 +50,16 @@ enum rebase_type {
REBASE_PRESERVE_MERGES
};
+enum empty_type {
+ EMPTY_UNSPECIFIED = -1,
+ EMPTY_DROP,
+ EMPTY_KEEP,
+ EMPTY_ASK
+};
+
struct rebase_options {
enum rebase_type type;
+ enum empty_type empty;
const char *state_dir;
struct commit *upstream;
const char *upstream_name;
@@ -91,6 +99,7 @@ struct rebase_options {
#define REBASE_OPTIONS_INIT { \
.type = REBASE_UNSPECIFIED, \
+ .empty = EMPTY_UNSPECIFIED, \
.flags = REBASE_NO_QUIET, \
.git_am_opts = ARGV_ARRAY_INIT, \
.git_format_patch_opt = STRBUF_INIT \
@@ -109,6 +118,8 @@ static struct replay_opts get_replay_opts(const struct rebase_options *opts)
replay.allow_rerere_auto = opts->allow_rerere_autoupdate;
replay.allow_empty = 1;
replay.allow_empty_message = opts->allow_empty_message;
+ replay.drop_redundant_commits = (opts->empty == EMPTY_DROP);
+ replay.keep_redundant_commits = (opts->empty == EMPTY_KEEP);
replay.verbose = opts->flags & REBASE_VERBOSE;
replay.reschedule_failed_exec = opts->reschedule_failed_exec;
replay.gpg_sign = xstrdup_or_null(opts->gpg_sign_opt);
@@ -444,6 +455,10 @@ static int parse_opt_keep_empty(const struct option *opt, const char *arg,
BUG_ON_OPT_ARG(arg);
+ /*
+ * If we ever want to remap --keep-empty to --empty=keep, insert:
+ * opts->empty = unset ? EMPTY_UNSPECIFIED : EMPTY_KEEP;
+ */
opts->type = REBASE_INTERACTIVE;
return 0;
}
@@ -1350,6 +1365,29 @@ static int parse_opt_interactive(const struct option *opt, const char *arg,
return 0;
}
+static enum empty_type parse_empty_value(const char *value)
+{
+ if (!strcasecmp(value, "drop"))
+ return EMPTY_DROP;
+ else if (!strcasecmp(value, "keep"))
+ return EMPTY_KEEP;
+ else if (!strcasecmp(value, "ask"))
+ return EMPTY_ASK;
+
+ die(_("unrecognized empty type '%s'; valid values are \"drop\", \"keep\", and \"ask\"."), value);
+}
+
+static int parse_opt_empty(const struct option *opt, const char *arg, int unset)
+{
+ struct rebase_options *options = opt->value;
+ enum empty_type value = parse_empty_value(arg);
+
+ BUG_ON_OPT_NEG(unset);
+
+ options->empty = value;
+ return 0;
+}
+
static void NORETURN error_on_missing_default_upstream(void)
{
struct branch *current_branch = branch_get(NULL);
@@ -1494,6 +1532,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
"ignoring them"),
REBASE_PRESERVE_MERGES, PARSE_OPT_HIDDEN),
OPT_RERERE_AUTOUPDATE(&options.allow_rerere_autoupdate),
+ OPT_CALLBACK_F(0, "empty", &options, N_("{drop,keep,ask}"),
+ N_("how to handle commits that become empty"),
+ PARSE_OPT_NONEG, parse_opt_empty),
{ OPTION_CALLBACK, 'k', "keep-empty", &options, NULL,
N_("(DEPRECATED) keep empty commits"),
PARSE_OPT_NOARG | PARSE_OPT_HIDDEN,
@@ -1760,6 +1801,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
if (!(options.flags & REBASE_NO_QUIET))
argv_array_push(&options.git_am_opts, "-q");
+ if (options.empty != EMPTY_UNSPECIFIED)
+ imply_interactive(&options, "--empty");
+
if (gpg_sign) {
free(options.gpg_sign_opt);
options.gpg_sign_opt = xstrfmt("-S%s", gpg_sign);
@@ -1843,6 +1887,14 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
break;
}
+ if (options.empty == EMPTY_UNSPECIFIED) {
+ if (options.flags & REBASE_INTERACTIVE_EXPLICIT)
+ options.empty = EMPTY_ASK;
+ else if (exec.nr > 0)
+ options.empty = EMPTY_KEEP;
+ else
+ options.empty = EMPTY_DROP;
+ }
if (reschedule_failed_exec > 0 && !is_interactive(&options))
die(_("--reschedule-failed-exec requires "
"--exec or --interactive"));