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Merge branch 'ah/rebase-merges-config'

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Streamline --rebase-merges command line option handling and
introduce rebase.merges configuration variable.

* ah/rebase-merges-config:
  rebase: add a config option for --rebase-merges
  rebase: deprecate --rebase-merges=""
  rebase: add documentation and test for --no-rebase-merges
This commit is contained in:
Junio C Hamano
2023-04-04 14:28:27 -07:00
parent 7e13d654c2 6605fb70cb
commit 9142fce9b0
5 changed files with 138 additions and 22 deletions
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70
builtin/rebase.c
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@ -124,6 +124,7 @@ struct rebase_options {
int fork_point;
int update_refs;
int config_autosquash;
int config_rebase_merges;
int config_update_refs;
};
@ -141,6 +142,8 @@ struct rebase_options {
.allow_empty_message = 1, \
.autosquash = -1, \
.config_autosquash = -1, \
.rebase_merges = -1, \
.config_rebase_merges = -1, \
.update_refs = -1, \
.config_update_refs = -1, \
}
@ -772,6 +775,16 @@ static int run_specific_rebase(struct rebase_options *opts)
return status ? -1 : 0;
}
static void parse_rebase_merges_value(struct rebase_options *options, const char *value)
{
if (!strcmp("no-rebase-cousins", value))
options->rebase_cousins = 0;
else if (!strcmp("rebase-cousins", value))
options->rebase_cousins = 1;
else
die(_("Unknown rebase-merges mode: %s"), value);
}
static int rebase_config(const char *var, const char *value, void *data)
{
struct rebase_options *opts = data;
@ -801,6 +814,17 @@ static int rebase_config(const char *var, const char *value, void *data)
return 0;
}
if (!strcmp(var, "rebase.rebasemerges")) {
opts->config_rebase_merges = git_parse_maybe_bool(value);
if (opts->config_rebase_merges < 0) {
opts->config_rebase_merges = 1;
parse_rebase_merges_value(opts, value);
} else {
opts->rebase_cousins = 0;
}
return 0;
}
if (!strcmp(var, "rebase.updaterefs")) {
opts->config_update_refs = git_config_bool(var, value);
return 0;
@ -981,6 +1005,28 @@ static int parse_opt_empty(const struct option *opt, const char *arg, int unset)
return 0;
}
static int parse_opt_rebase_merges(const struct option *opt, const char *arg, int unset)
{
struct rebase_options *options = opt->value;
options->rebase_merges = !unset;
options->rebase_cousins = 0;
if (arg) {
if (!*arg) {
warning(_("--rebase-merges with an empty string "
"argument is deprecated and will stop "
"working in a future version of Git. Use "
"--rebase-merges without an argument "
"instead, which does the same thing."));
return 0;
}
parse_rebase_merges_value(options, arg);
}
return 0;
}
static void NORETURN error_on_missing_default_upstream(void)
{
struct branch *current_branch = branch_get(NULL);
@ -1036,7 +1082,6 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
struct object_id branch_base;
int ignore_whitespace = 0;
const char *gpg_sign = NULL;
const char *rebase_merges = NULL;
struct string_list strategy_options = STRING_LIST_INIT_NODUP;
struct object_id squash_onto;
char *squash_onto_name = NULL;
@ -1138,10 +1183,9 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
&options.allow_empty_message,
N_("allow rebasing commits with empty messages"),
PARSE_OPT_HIDDEN),
{OPTION_STRING, 'r', "rebase-merges", &rebase_merges,
N_("mode"),
OPT_CALLBACK_F('r', "rebase-merges", &options, N_("mode"),
N_("try to rebase merges instead of skipping them"),
PARSE_OPT_OPTARG, NULL, (intptr_t)""},
PARSE_OPT_OPTARG, parse_opt_rebase_merges),
OPT_BOOL(0, "fork-point", &options.fork_point,
N_("use 'merge-base --fork-point' to refine upstream")),
OPT_STRING('s', "strategy", &options.strategy,
@ -1437,17 +1481,6 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
if (options.exec.nr)
imply_merge(&options, "--exec");
if (rebase_merges) {
if (!*rebase_merges)
; /* default mode; do nothing */
else if (!strcmp("rebase-cousins", rebase_merges))
options.rebase_cousins = 1;
else if (strcmp("no-rebase-cousins", rebase_merges))
die(_("Unknown mode: %s"), rebase_merges);
options.rebase_merges = 1;
imply_merge(&options, "--rebase-merges");
}
if (options.type == REBASE_APPLY) {
if (ignore_whitespace)
strvec_push(&options.git_am_opts,
@ -1515,6 +1548,8 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
"cannot be used together"));
else if (options.autosquash == -1 && options.config_autosquash == 1)
die(_("apply options are incompatible with rebase.autoSquash. Consider adding --no-autosquash"));
else if (options.rebase_merges == -1 && options.config_rebase_merges == 1)
die(_("apply options are incompatible with rebase.rebaseMerges. Consider adding --no-rebase-merges"));
else if (options.update_refs == -1 && options.config_update_refs == 1)
die(_("apply options are incompatible with rebase.updateRefs. Consider adding --no-update-refs"));
else
@ -1527,6 +1562,11 @@ int cmd_rebase(int argc, const char **argv, const char *prefix)
options.update_refs = (options.update_refs >= 0) ? options.update_refs :
((options.config_update_refs >= 0) ? options.config_update_refs : 0);
if (options.rebase_merges == 1)
imply_merge(&options, "--rebase-merges");
options.rebase_merges = (options.rebase_merges >= 0) ? options.rebase_merges :
((options.config_rebase_merges >= 0) ? options.config_rebase_merges : 0);
if (options.autosquash == 1)
imply_merge(&options, "--autosquash");
options.autosquash = (options.autosquash >= 0) ? options.autosquash :