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Merge branch 'sb/pull-rebase-submodule'

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"git pull --rebase --recurse-submodules" learns to rebase the
branch in the submodules to an updated base.

* sb/pull-rebase-submodule:
  builtin/fetch cleanup: always set default value for submodule recursing
  pull: optionally rebase submodules (remote submodule changes only)
  builtin/fetch: parse recurse-submodules-default at default options parsing
  builtin/fetch: factor submodule recurse parsing out to submodule config
This commit is contained in:
Junio C Hamano
2017-07-13 16:14:54 -07:00
parent 91f6922544 e8906a9019
commit c9c63ee558
8 changed files with 193 additions and 41 deletions
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73
builtin/pull.c
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@ -16,6 +16,8 @@
#include "dir.h"
#include "refs.h"
#include "revision.h"
#include "submodule.h"
#include "submodule-config.h"
#include "tempfile.h"
#include "lockfile.h"
#include "wt-status.h"
@ -78,6 +80,7 @@ static const char * const pull_usage[] = {
/* Shared options */
static int opt_verbosity;
static char *opt_progress;
static int recurse_submodules = RECURSE_SUBMODULES_DEFAULT;
/* Options passed to git-merge or git-rebase */
static enum rebase_type opt_rebase = -1;
@ -102,7 +105,6 @@ static char *opt_upload_pack;
static int opt_force;
static char *opt_tags;
static char *opt_prune;
static char *opt_recurse_submodules;
static char *max_children;
static int opt_dry_run;
static char *opt_keep;
@ -117,6 +119,10 @@ static struct option pull_options[] = {
OPT_PASSTHRU(0, "progress", &opt_progress, NULL,
N_("force progress reporting"),
PARSE_OPT_NOARG),
{ OPTION_CALLBACK, 0, "recurse-submodules",
&recurse_submodules, N_("on-demand"),
N_("control for recursive fetching of submodules"),
PARSE_OPT_OPTARG, option_fetch_parse_recurse_submodules },
/* Options passed to git-merge or git-rebase */
OPT_GROUP(N_("Options related to merging")),
@ -188,10 +194,6 @@ static struct option pull_options[] = {
OPT_PASSTHRU('p', "prune", &opt_prune, NULL,
N_("prune remote-tracking branches no longer on remote"),
PARSE_OPT_NOARG),
OPT_PASSTHRU(0, "recurse-submodules", &opt_recurse_submodules,
N_("on-demand"),
N_("control recursive fetching of submodules"),
PARSE_OPT_OPTARG),
OPT_PASSTHRU('j', "jobs", &max_children, N_("n"),
N_("number of submodules pulled in parallel"),
PARSE_OPT_OPTARG),
@ -484,8 +486,20 @@ static int run_fetch(const char *repo, const char **refspecs)
argv_array_push(&args, opt_tags);
if (opt_prune)
argv_array_push(&args, opt_prune);
if (opt_recurse_submodules)
argv_array_push(&args, opt_recurse_submodules);
if (recurse_submodules != RECURSE_SUBMODULES_DEFAULT)
switch (recurse_submodules) {
case RECURSE_SUBMODULES_ON:
argv_array_push(&args, "--recurse-submodules=on");
break;
case RECURSE_SUBMODULES_OFF:
argv_array_push(&args, "--recurse-submodules=no");
break;
case RECURSE_SUBMODULES_ON_DEMAND:
argv_array_push(&args, "--recurse-submodules=on-demand");
break;
default:
BUG("submodule recursion option not understood");
}
if (max_children)
argv_array_push(&args, max_children);
if (opt_dry_run)
@ -532,6 +546,30 @@ static int pull_into_void(const struct object_id *merge_head,
return 0;
}
static int rebase_submodules(void)
{
struct child_process cp = CHILD_PROCESS_INIT;
cp.git_cmd = 1;
cp.no_stdin = 1;
argv_array_pushl(&cp.args, "submodule", "update",
"--recursive", "--rebase", NULL);
return run_command(&cp);
}
static int update_submodules(void)
{
struct child_process cp = CHILD_PROCESS_INIT;
cp.git_cmd = 1;
cp.no_stdin = 1;
argv_array_pushl(&cp.args, "submodule", "update",
"--recursive", "--checkout", NULL);
return run_command(&cp);
}
/**
* Runs git-merge, returning its exit status.
*/
@ -863,6 +901,11 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
die(_("Cannot rebase onto multiple branches."));
if (opt_rebase) {
int ret = 0;
if ((recurse_submodules == RECURSE_SUBMODULES_ON ||
recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND) &&
submodule_touches_in_range(&rebase_fork_point, &curr_head))
die(_("cannot rebase with locally recorded submodule modifications"));
if (!autostash) {
struct commit_list *list = NULL;
struct commit *merge_head, *head;
@ -873,11 +916,21 @@ int cmd_pull(int argc, const char **argv, const char *prefix)
if (is_descendant_of(merge_head, list)) {
/* we can fast-forward this without invoking rebase */
opt_ff = "--ff-only";
return run_merge();
ret = run_merge();
}
}
return run_rebase(&curr_head, merge_heads.oid, &rebase_fork_point);
ret = run_rebase(&curr_head, merge_heads.oid, &rebase_fork_point);
if (!ret && (recurse_submodules == RECURSE_SUBMODULES_ON ||
recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND))
ret = rebase_submodules();
return ret;
} else {
return run_merge();
int ret = run_merge();
if (!ret && (recurse_submodules == RECURSE_SUBMODULES_ON ||
recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND))
ret = update_submodules();
return ret;
}
}