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-rw-r--r--submodule.c344
1 files changed, 175 insertions, 169 deletions
diff --git a/submodule.c b/submodule.c
index 5a563ad100..90825e17fa 100644
--- a/submodule.c
+++ b/submodule.c
@@ -1,4 +1,5 @@
#include "cache.h"
+#include "submodule-config.h"
#include "submodule.h"
#include "dir.h"
#include "diff.h"
@@ -11,11 +12,10 @@
#include "sha1-array.h"
#include "argv-array.h"
#include "blob.h"
+#include "thread-utils.h"
-static struct string_list config_name_for_path;
-static struct string_list config_fetch_recurse_submodules_for_name;
-static struct string_list config_ignore_for_name;
static int config_fetch_recurse_submodules = RECURSE_SUBMODULES_ON_DEMAND;
+static int parallel_jobs = 1;
static struct string_list changed_submodule_paths;
static int initialized_fetch_ref_tips;
static struct sha1_array ref_tips_before_fetch;
@@ -41,7 +41,6 @@ static int gitmodules_is_unmerged;
*/
static int gitmodules_is_modified;
-
int is_staging_gitmodules_ok(void)
{
return !gitmodules_is_modified;
@@ -55,7 +54,7 @@ int is_staging_gitmodules_ok(void)
int update_path_in_gitmodules(const char *oldpath, const char *newpath)
{
struct strbuf entry = STRBUF_INIT;
- struct string_list_item *path_option;
+ const struct submodule *submodule;
if (!file_exists(".gitmodules")) /* Do nothing without .gitmodules */
return -1;
@@ -63,15 +62,15 @@ int update_path_in_gitmodules(const char *oldpath, const char *newpath)
if (gitmodules_is_unmerged)
die(_("Cannot change unmerged .gitmodules, resolve merge conflicts first"));
- path_option = unsorted_string_list_lookup(&config_name_for_path, oldpath);
- if (!path_option) {
+ submodule = submodule_from_path(null_sha1, oldpath);
+ if (!submodule || !submodule->name) {
warning(_("Could not find section in .gitmodules where path=%s"), oldpath);
return -1;
}
strbuf_addstr(&entry, "submodule.");
- strbuf_addstr(&entry, path_option->util);
+ strbuf_addstr(&entry, submodule->name);
strbuf_addstr(&entry, ".path");
- if (git_config_set_in_file(".gitmodules", entry.buf, newpath) < 0) {
+ if (git_config_set_in_file_gently(".gitmodules", entry.buf, newpath) < 0) {
/* Maybe the user already did that, don't error out here */
warning(_("Could not update .gitmodules entry %s"), entry.buf);
strbuf_release(&entry);
@@ -89,7 +88,7 @@ int update_path_in_gitmodules(const char *oldpath, const char *newpath)
int remove_path_from_gitmodules(const char *path)
{
struct strbuf sect = STRBUF_INIT;
- struct string_list_item *path_option;
+ const struct submodule *submodule;
if (!file_exists(".gitmodules")) /* Do nothing without .gitmodules */
return -1;
@@ -97,13 +96,13 @@ int remove_path_from_gitmodules(const char *path)
if (gitmodules_is_unmerged)
die(_("Cannot change unmerged .gitmodules, resolve merge conflicts first"));
- path_option = unsorted_string_list_lookup(&config_name_for_path, path);
- if (!path_option) {
+ submodule = submodule_from_path(null_sha1, path);
+ if (!submodule || !submodule->name) {
warning(_("Could not find section in .gitmodules where path=%s"), path);
return -1;
}
strbuf_addstr(&sect, "submodule.");
- strbuf_addstr(&sect, path_option->util);
+ strbuf_addstr(&sect, submodule->name);
if (git_config_rename_section_in_file(".gitmodules", sect.buf, NULL) < 0) {
/* Maybe the user already did that, don't error out here */
warning(_("Could not remove .gitmodules entry for %s"), path);
@@ -125,29 +124,25 @@ static int add_submodule_odb(const char *path)
struct strbuf objects_directory = STRBUF_INIT;
struct alternate_object_database *alt_odb;
int ret = 0;
- const char *git_dir;
+ size_t alloc;
- strbuf_addf(&objects_directory, "%s/.git", path);
- git_dir = read_gitfile(objects_directory.buf);
- if (git_dir) {
- strbuf_reset(&objects_directory);
- strbuf_addstr(&objects_directory, git_dir);
- }
- strbuf_addstr(&objects_directory, "/objects/");
+ strbuf_git_path_submodule(&objects_directory, path, "objects/");
if (!is_directory(objects_directory.buf)) {
ret = -1;
goto done;
}
/* avoid adding it twice */
+ prepare_alt_odb();
for (alt_odb = alt_odb_list; alt_odb; alt_odb = alt_odb->next)
if (alt_odb->name - alt_odb->base == objects_directory.len &&
!strncmp(alt_odb->base, objects_directory.buf,
objects_directory.len))
goto done;
- alt_odb = xmalloc(objects_directory.len + 42 + sizeof(*alt_odb));
+ alloc = st_add(objects_directory.len, 42); /* for "12/345..." sha1 */
+ alt_odb = xmalloc(st_add(sizeof(*alt_odb), alloc));
alt_odb->next = alt_odb_list;
- strcpy(alt_odb->base, objects_directory.buf);
+ xsnprintf(alt_odb->base, alloc, "%s", objects_directory.buf);
alt_odb->name = alt_odb->base + objects_directory.len;
alt_odb->name[2] = '/';
alt_odb->name[40] = '\0';
@@ -156,7 +151,6 @@ static int add_submodule_odb(const char *path)
/* add possible alternates from the submodule */
read_info_alternates(objects_directory.buf, 0);
- prepare_alt_odb();
done:
strbuf_release(&objects_directory);
return ret;
@@ -165,12 +159,10 @@ done:
void set_diffopt_flags_from_submodule_config(struct diff_options *diffopt,
const char *path)
{
- struct string_list_item *path_option, *ignore_option;
- path_option = unsorted_string_list_lookup(&config_name_for_path, path);
- if (path_option) {
- ignore_option = unsorted_string_list_lookup(&config_ignore_for_name, path_option->util);
- if (ignore_option)
- handle_ignore_submodules_arg(diffopt, ignore_option->util);
+ const struct submodule *submodule = submodule_from_path(null_sha1, path);
+ if (submodule) {
+ if (submodule->ignore)
+ handle_ignore_submodules_arg(diffopt, submodule->ignore);
else if (gitmodules_is_unmerged)
DIFF_OPT_SET(diffopt, IGNORE_SUBMODULES);
}
@@ -178,7 +170,12 @@ void set_diffopt_flags_from_submodule_config(struct diff_options *diffopt,
int submodule_config(const char *var, const char *value, void *cb)
{
- if (starts_with(var, "submodule."))
+ if (!strcmp(var, "submodule.fetchjobs")) {
+ parallel_jobs = git_config_int(var, value);
+ if (parallel_jobs < 0)
+ die(_("negative values not allowed for submodule.fetchJobs"));
+ return 0;
+ } else if (starts_with(var, "submodule."))
return parse_submodule_config_option(var, value);
else if (!strcmp(var, "fetch.recursesubmodules")) {
config_fetch_recurse_submodules = parse_fetch_recurse_submodules_arg(var, value);
@@ -219,55 +216,24 @@ void gitmodules_config(void)
}
}
-int parse_submodule_config_option(const char *var, const char *value)
+int parse_submodule_update_strategy(const char *value,
+ struct submodule_update_strategy *dst)
{
- struct string_list_item *config;
- const char *name, *key;
- int namelen;
-
- if (parse_config_key(var, "submodule", &name, &namelen, &key) < 0 || !name)
- return 0;
-
- if (!strcmp(key, "path")) {
- if (!value)
- return config_error_nonbool(var);
-
- config = unsorted_string_list_lookup(&config_name_for_path, value);
- if (config)
- free(config->util);
- else
- config = string_list_append(&config_name_for_path, xstrdup(value));
- config->util = xmemdupz(name, namelen);
- } else if (!strcmp(key, "fetchrecursesubmodules")) {
- char *name_cstr = xmemdupz(name, namelen);
- config = unsorted_string_list_lookup(&config_fetch_recurse_submodules_for_name, name_cstr);
- if (!config)
- config = string_list_append(&config_fetch_recurse_submodules_for_name, name_cstr);
- else
- free(name_cstr);
- config->util = (void *)(intptr_t)parse_fetch_recurse_submodules_arg(var, value);
- } else if (!strcmp(key, "ignore")) {
- char *name_cstr;
-
- if (!value)
- return config_error_nonbool(var);
-
- if (strcmp(value, "untracked") && strcmp(value, "dirty") &&
- strcmp(value, "all") && strcmp(value, "none")) {
- warning("Invalid parameter \"%s\" for config option \"submodule.%s.ignore\"", value, var);
- return 0;
- }
-
- name_cstr = xmemdupz(name, namelen);
- config = unsorted_string_list_lookup(&config_ignore_for_name, name_cstr);
- if (config) {
- free(config->util);
- free(name_cstr);
- } else
- config = string_list_append(&config_ignore_for_name, name_cstr);
- config->util = xstrdup(value);
- return 0;
- }
+ free((void*)dst->command);
+ dst->command = NULL;
+ if (!strcmp(value, "none"))
+ dst->type = SM_UPDATE_NONE;
+ else if (!strcmp(value, "checkout"))
+ dst->type = SM_UPDATE_CHECKOUT;
+ else if (!strcmp(value, "rebase"))
+ dst->type = SM_UPDATE_REBASE;
+ else if (!strcmp(value, "merge"))
+ dst->type = SM_UPDATE_MERGE;
+ else if (skip_prefix(value, "!", &value)) {
+ dst->type = SM_UPDATE_COMMAND;
+ dst->command = xstrdup(value);
+ } else
+ return -1;
return 0;
}
@@ -311,7 +277,7 @@ static int prepare_submodule_summary(struct rev_info *rev, const char *path,
for (list = merge_bases; list; list = list->next) {
list->item->object.flags |= UNINTERESTING;
add_pending_object(rev, &list->item->object,
- sha1_to_hex(list->item->object.sha1));
+ oid_to_hex(&list->item->object.oid));
}
return prepare_revision_walk(rev);
}
@@ -345,20 +311,6 @@ static void print_submodule_summary(struct rev_info *rev, FILE *f,
strbuf_release(&sb);
}
-int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg)
-{
- switch (git_config_maybe_bool(opt, arg)) {
- case 1:
- return RECURSE_SUBMODULES_ON;
- case 0:
- return RECURSE_SUBMODULES_OFF;
- default:
- if (!strcmp(arg, "on-demand"))
- return RECURSE_SUBMODULES_ON_DEMAND;
- die("bad %s argument: %s", opt, arg);
- }
-}
-
void show_submodule_summary(FILE *f, const char *path,
const char *line_prefix,
unsigned char one[20], unsigned char two[20],
@@ -422,7 +374,8 @@ void set_config_fetch_recurse_submodules(int value)
config_fetch_recurse_submodules = value;
}
-static int has_remote(const char *refname, const unsigned char *sha1, int flags, void *cb_data)
+static int has_remote(const char *refname, const struct object_id *oid,
+ int flags, void *cb_data)
{
return 1;
}
@@ -616,10 +569,10 @@ static void submodule_collect_changed_cb(struct diff_queue_struct *q,
}
}
-static int add_sha1_to_array(const char *ref, const unsigned char *sha1,
+static int add_sha1_to_array(const char *ref, const struct object_id *oid,
int flags, void *data)
{
- sha1_array_append(data, sha1);
+ sha1_array_append(data, oid->hash);
return 0;
}
@@ -645,7 +598,7 @@ static void calculate_changed_submodule_paths(void)
struct argv_array argv = ARGV_ARRAY_INIT;
/* No need to check if there are no submodules configured */
- if (!config_name_for_path.nr)
+ if (!submodule_from_path(NULL, NULL))
return;
init_revisions(&rev, NULL);
@@ -672,7 +625,7 @@ static void calculate_changed_submodule_paths(void)
diff_opts.output_format |= DIFF_FORMAT_CALLBACK;
diff_opts.format_callback = submodule_collect_changed_cb;
diff_setup_done(&diff_opts);
- diff_tree_sha1(parent->item->object.sha1, commit->object.sha1, "", &diff_opts);
+ diff_tree_sha1(parent->item->object.oid.hash, commit->object.oid.hash, "", &diff_opts);
diffcore_std(&diff_opts);
diff_flush(&diff_opts);
parent = parent->next;
@@ -685,56 +638,48 @@ static void calculate_changed_submodule_paths(void)
initialized_fetch_ref_tips = 0;
}
-int fetch_populated_submodules(const struct argv_array *options,
- const char *prefix, int command_line_option,
- int quiet)
+struct submodule_parallel_fetch {
+ int count;
+ struct argv_array args;
+ const char *work_tree;
+ const char *prefix;
+ int command_line_option;
+ int quiet;
+ int result;
+};
+#define SPF_INIT {0, ARGV_ARRAY_INIT, NULL, NULL, 0, 0, 0}
+
+static int get_next_submodule(struct child_process *cp,
+ struct strbuf *err, void *data, void **task_cb)
{
- int i, result = 0;
- struct child_process cp = CHILD_PROCESS_INIT;
- struct argv_array argv = ARGV_ARRAY_INIT;
- struct string_list_item *name_for_path;
- const char *work_tree = get_git_work_tree();
- if (!work_tree)
- goto out;
-
- if (read_cache() < 0)
- die("index file corrupt");
-
- argv_array_push(&argv, "fetch");
- for (i = 0; i < options->argc; i++)
- argv_array_push(&argv, options->argv[i]);
- argv_array_push(&argv, "--recurse-submodules-default");
- /* default value, "--submodule-prefix" and its value are added later */
-
- cp.env = local_repo_env;
- cp.git_cmd = 1;
- cp.no_stdin = 1;
-
- calculate_changed_submodule_paths();
+ int ret = 0;
+ struct submodule_parallel_fetch *spf = data;
- for (i = 0; i < active_nr; i++) {
+ for (; spf->count < active_nr; spf->count++) {
struct strbuf submodule_path = STRBUF_INIT;
struct strbuf submodule_git_dir = STRBUF_INIT;
struct strbuf submodule_prefix = STRBUF_INIT;
- const struct cache_entry *ce = active_cache[i];
- const char *git_dir, *name, *default_argv;
+ const struct cache_entry *ce = active_cache[spf->count];
+ const char *git_dir, *default_argv;
+ const struct submodule *submodule;
if (!S_ISGITLINK(ce->ce_mode))
continue;
- name = ce->name;
- name_for_path = unsorted_string_list_lookup(&config_name_for_path, ce->name);
- if (name_for_path)
- name = name_for_path->util;
+ submodule = submodule_from_path(null_sha1, ce->name);
+ if (!submodule)
+ submodule = submodule_from_name(null_sha1, ce->name);
default_argv = "yes";
- if (command_line_option == RECURSE_SUBMODULES_DEFAULT) {
- struct string_list_item *fetch_recurse_submodules_option;
- fetch_recurse_submodules_option = unsorted_string_list_lookup(&config_fetch_recurse_submodules_for_name, name);
- if (fetch_recurse_submodules_option) {
- if ((intptr_t)fetch_recurse_submodules_option->util == RECURSE_SUBMODULES_OFF)
+ if (spf->command_line_option == RECURSE_SUBMODULES_DEFAULT) {
+ if (submodule &&
+ submodule->fetch_recurse !=
+ RECURSE_SUBMODULES_NONE) {
+ if (submodule->fetch_recurse ==
+ RECURSE_SUBMODULES_OFF)
continue;
- if ((intptr_t)fetch_recurse_submodules_option->util == RECURSE_SUBMODULES_ON_DEMAND) {
+ if (submodule->fetch_recurse ==
+ RECURSE_SUBMODULES_ON_DEMAND) {
if (!unsorted_string_list_lookup(&changed_submodule_paths, ce->name))
continue;
default_argv = "on-demand";
@@ -749,40 +694,103 @@ int fetch_populated_submodules(const struct argv_array *options,
default_argv = "on-demand";
}
}
- } else if (command_line_option == RECURSE_SUBMODULES_ON_DEMAND) {
+ } else if (spf->command_line_option == RECURSE_SUBMODULES_ON_DEMAND) {
if (!unsorted_string_list_lookup(&changed_submodule_paths, ce->name))
continue;
default_argv = "on-demand";
}
- strbuf_addf(&submodule_path, "%s/%s", work_tree, ce->name);
+ strbuf_addf(&submodule_path, "%s/%s", spf->work_tree, ce->name);
strbuf_addf(&submodule_git_dir, "%s/.git", submodule_path.buf);
- strbuf_addf(&submodule_prefix, "%s%s/", prefix, ce->name);
+ strbuf_addf(&submodule_prefix, "%s%s/", spf->prefix, ce->name);
git_dir = read_gitfile(submodule_git_dir.buf);
if (!git_dir)
git_dir = submodule_git_dir.buf;
if (is_directory(git_dir)) {
- if (!quiet)
- printf("Fetching submodule %s%s\n", prefix, ce->name);
- cp.dir = submodule_path.buf;
- argv_array_push(&argv, default_argv);
- argv_array_push(&argv, "--submodule-prefix");
- argv_array_push(&argv, submodule_prefix.buf);
- cp.argv = argv.argv;
- if (run_command(&cp))
- result = 1;
- argv_array_pop(&argv);
- argv_array_pop(&argv);
- argv_array_pop(&argv);
+ child_process_init(cp);
+ cp->dir = strbuf_detach(&submodule_path, NULL);
+ cp->env = local_repo_env;
+ cp->git_cmd = 1;
+ if (!spf->quiet)
+ strbuf_addf(err, "Fetching submodule %s%s\n",
+ spf->prefix, ce->name);
+ argv_array_init(&cp->args);
+ argv_array_pushv(&cp->args, spf->args.argv);
+ argv_array_push(&cp->args, default_argv);
+ argv_array_push(&cp->args, "--submodule-prefix");
+ argv_array_push(&cp->args, submodule_prefix.buf);
+ ret = 1;
}
strbuf_release(&submodule_path);
strbuf_release(&submodule_git_dir);
strbuf_release(&submodule_prefix);
+ if (ret) {
+ spf->count++;
+ return 1;
+ }
}
- argv_array_clear(&argv);
+ return 0;
+}
+
+static int fetch_start_failure(struct strbuf *err,
+ void *cb, void *task_cb)
+{
+ struct submodule_parallel_fetch *spf = cb;
+
+ spf->result = 1;
+
+ return 0;
+}
+
+static int fetch_finish(int retvalue, struct strbuf *err,
+ void *cb, void *task_cb)
+{
+ struct submodule_parallel_fetch *spf = cb;
+
+ if (retvalue)
+ spf->result = 1;
+
+ return 0;
+}
+
+int fetch_populated_submodules(const struct argv_array *options,
+ const char *prefix, int command_line_option,
+ int quiet, int max_parallel_jobs)
+{
+ int i;
+ struct submodule_parallel_fetch spf = SPF_INIT;
+
+ spf.work_tree = get_git_work_tree();
+ spf.command_line_option = command_line_option;
+ spf.quiet = quiet;
+ spf.prefix = prefix;
+
+ if (!spf.work_tree)
+ goto out;
+
+ if (read_cache() < 0)
+ die("index file corrupt");
+
+ argv_array_push(&spf.args, "fetch");
+ for (i = 0; i < options->argc; i++)
+ argv_array_push(&spf.args, options->argv[i]);
+ argv_array_push(&spf.args, "--recurse-submodules-default");
+ /* default value, "--submodule-prefix" and its value are added later */
+
+ if (max_parallel_jobs < 0)
+ max_parallel_jobs = parallel_jobs;
+
+ calculate_changed_submodule_paths();
+ run_processes_parallel(max_parallel_jobs,
+ get_next_submodule,
+ fetch_start_failure,
+ fetch_finish,
+ &spf);
+
+ argv_array_clear(&spf.args);
out:
string_list_clear(&changed_submodule_paths, 1);
- return result;
+ return spf.result;
}
unsigned is_submodule_modified(const char *path, int ignore_untracked)
@@ -949,7 +957,7 @@ static int find_first_merges(struct object_array *result, const char *path,
/* get all revisions that merge commit a */
snprintf(merged_revision, sizeof(merged_revision), "^%s",
- sha1_to_hex(a->object.sha1));
+ oid_to_hex(&a->object.oid));
init_revisions(&revs, NULL);
rev_opts.submodule = path;
setup_revisions(ARRAY_SIZE(rev_args)-1, rev_args, &revs, &rev_opts);
@@ -992,7 +1000,7 @@ static void print_commit(struct commit *commit)
{
struct strbuf sb = STRBUF_INIT;
struct pretty_print_context ctx = {0};
- ctx.date_mode = DATE_NORMAL;
+ ctx.date_mode.type = DATE_NORMAL;
format_commit_message(commit, " %h: %m %s", &sb, &ctx);
fprintf(stderr, "%s\n", sb.buf);
strbuf_release(&sb);
@@ -1080,7 +1088,7 @@ int merge_submodule(unsigned char result[20], const char *path,
"by using:\n\n"
" git update-index --cacheinfo 160000 %s \"%s\"\n\n"
"which will accept this suggestion.\n",
- sha1_to_hex(merges.objects[0].item->sha1), path);
+ oid_to_hex(&merges.objects[0].item->oid), path);
break;
default:
@@ -1099,27 +1107,25 @@ void connect_work_tree_and_git_dir(const char *work_tree, const char *git_dir)
struct strbuf file_name = STRBUF_INIT;
struct strbuf rel_path = STRBUF_INIT;
const char *real_work_tree = xstrdup(real_path(work_tree));
- FILE *fp;
/* Update gitfile */
strbuf_addf(&file_name, "%s/.git", work_tree);
- fp = fopen(file_name.buf, "w");
- if (!fp)
- die(_("Could not create git link %s"), file_name.buf);
- fprintf(fp, "gitdir: %s\n", relative_path(git_dir, real_work_tree,
- &rel_path));
- fclose(fp);
+ write_file(file_name.buf, "gitdir: %s",
+ relative_path(git_dir, real_work_tree, &rel_path));
/* Update core.worktree setting */
strbuf_reset(&file_name);
strbuf_addf(&file_name, "%s/config", git_dir);
- if (git_config_set_in_file(file_name.buf, "core.worktree",
- relative_path(real_work_tree, git_dir,
- &rel_path)))
- die(_("Could not set core.worktree in %s"),
- file_name.buf);
+ git_config_set_in_file(file_name.buf, "core.worktree",
+ relative_path(real_work_tree, git_dir,
+ &rel_path));
strbuf_release(&file_name);
strbuf_release(&rel_path);
free((void *)real_work_tree);
}
+
+int parallel_submodules(void)
+{
+ return parallel_jobs;
+}