#include "argv-array.h"
#include "blob.h"
#include "thread-utils.h"
+#include "quote.h"
static int config_fetch_recurse_submodules = RECURSE_SUBMODULES_ON_DEMAND;
-static struct string_list changed_submodule_paths;
+static int parallel_jobs = 1;
+static struct string_list changed_submodule_paths = STRING_LIST_INIT_NODUP;
static int initialized_fetch_ref_tips;
static struct sha1_array ref_tips_before_fetch;
static struct sha1_array ref_tips_after_fetch;
static int add_submodule_odb(const char *path)
{
struct strbuf objects_directory = STRBUF_INIT;
- struct alternate_object_database *alt_odb;
int ret = 0;
- size_t alloc;
- strbuf_git_path_submodule(&objects_directory, path, "objects/");
+ ret = strbuf_git_path_submodule(&objects_directory, path, "objects/");
+ if (ret)
+ goto done;
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;
-
- 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;
- 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';
- alt_odb->name[41] = '\0';
- alt_odb_list = alt_odb;
-
- /* add possible alternates from the submodule */
- read_info_alternates(objects_directory.buf, 0);
+ add_to_alternates_memory(objects_directory.buf);
done:
strbuf_release(&objects_directory);
return ret;
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);
}
}
+int parse_submodule_update_strategy(const char *value,
+ struct submodule_update_strategy *dst)
+{
+ 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;
+}
+
+const char *submodule_strategy_to_string(const struct submodule_update_strategy *s)
+{
+ struct strbuf sb = STRBUF_INIT;
+ switch (s->type) {
+ case SM_UPDATE_CHECKOUT:
+ return "checkout";
+ case SM_UPDATE_MERGE:
+ return "merge";
+ case SM_UPDATE_REBASE:
+ return "rebase";
+ case SM_UPDATE_NONE:
+ return "none";
+ case SM_UPDATE_UNSPECIFIED:
+ return NULL;
+ case SM_UPDATE_COMMAND:
+ strbuf_addf(&sb, "!%s", s->command);
+ return strbuf_detach(&sb, NULL);
+ }
+ return NULL;
+}
+
void handle_ignore_submodules_arg(struct diff_options *diffopt,
const char *arg)
{
static int prepare_submodule_summary(struct rev_info *rev, const char *path,
struct commit *left, struct commit *right,
- int *fast_forward, int *fast_backward)
+ struct commit_list *merge_bases)
{
- struct commit_list *merge_bases, *list;
+ struct commit_list *list;
init_revisions(rev, NULL);
setup_revisions(0, NULL, rev, NULL);
left->object.flags |= SYMMETRIC_LEFT;
add_pending_object(rev, &left->object, path);
add_pending_object(rev, &right->object, path);
- merge_bases = get_merge_bases(left, right);
- if (merge_bases) {
- if (merge_bases->item == left)
- *fast_forward = 1;
- else if (merge_bases->item == right)
- *fast_backward = 1;
- }
for (list = merge_bases; list; list = list->next) {
list->item->object.flags |= UNINTERESTING;
add_pending_object(rev, &list->item->object,
strbuf_release(&sb);
}
-void show_submodule_summary(FILE *f, const char *path,
+/* Helper function to display the submodule header line prior to the full
+ * summary output. If it can locate the submodule objects directory it will
+ * attempt to lookup both the left and right commits and put them into the
+ * left and right pointers.
+ */
+static void show_submodule_header(FILE *f, const char *path,
const char *line_prefix,
- unsigned char one[20], unsigned char two[20],
+ struct object_id *one, struct object_id *two,
unsigned dirty_submodule, const char *meta,
- const char *del, const char *add, const char *reset)
+ const char *reset,
+ struct commit **left, struct commit **right,
+ struct commit_list **merge_bases)
{
- struct rev_info rev;
- struct commit *left = NULL, *right = NULL;
const char *message = NULL;
struct strbuf sb = STRBUF_INIT;
int fast_forward = 0, fast_backward = 0;
- if (is_null_sha1(two))
- message = "(submodule deleted)";
- else if (add_submodule_odb(path))
- message = "(not checked out)";
- else if (is_null_sha1(one))
- message = "(new submodule)";
- else if (!(left = lookup_commit_reference(one)) ||
- !(right = lookup_commit_reference(two)))
- message = "(commits not present)";
- else if (prepare_submodule_summary(&rev, path, left, right,
- &fast_forward, &fast_backward))
- message = "(revision walker failed)";
-
if (dirty_submodule & DIRTY_SUBMODULE_UNTRACKED)
fprintf(f, "%sSubmodule %s contains untracked content\n",
line_prefix, path);
fprintf(f, "%sSubmodule %s contains modified content\n",
line_prefix, path);
- if (!hashcmp(one, two)) {
+ if (is_null_oid(one))
+ message = "(new submodule)";
+ else if (is_null_oid(two))
+ message = "(submodule deleted)";
+
+ if (add_submodule_odb(path)) {
+ if (!message)
+ message = "(not initialized)";
+ goto output_header;
+ }
+
+ /*
+ * Attempt to lookup the commit references, and determine if this is
+ * a fast forward or fast backwards update.
+ */
+ *left = lookup_commit_reference(one->hash);
+ *right = lookup_commit_reference(two->hash);
+
+ /*
+ * Warn about missing commits in the submodule project, but only if
+ * they aren't null.
+ */
+ if ((!is_null_oid(one) && !*left) ||
+ (!is_null_oid(two) && !*right))
+ message = "(commits not present)";
+
+ *merge_bases = get_merge_bases(*left, *right);
+ if (*merge_bases) {
+ if ((*merge_bases)->item == *left)
+ fast_forward = 1;
+ else if ((*merge_bases)->item == *right)
+ fast_backward = 1;
+ }
+
+ if (!oidcmp(one, two)) {
strbuf_release(&sb);
return;
}
- strbuf_addf(&sb, "%s%sSubmodule %s %s..", line_prefix, meta, path,
- find_unique_abbrev(one, DEFAULT_ABBREV));
- if (!fast_backward && !fast_forward)
- strbuf_addch(&sb, '.');
- strbuf_addf(&sb, "%s", find_unique_abbrev(two, DEFAULT_ABBREV));
+output_header:
+ strbuf_addf(&sb, "%s%sSubmodule %s ", line_prefix, meta, path);
+ strbuf_add_unique_abbrev(&sb, one->hash, DEFAULT_ABBREV);
+ strbuf_addstr(&sb, (fast_backward || fast_forward) ? ".." : "...");
+ strbuf_add_unique_abbrev(&sb, two->hash, DEFAULT_ABBREV);
if (message)
strbuf_addf(&sb, " %s%s\n", message, reset);
else
strbuf_addf(&sb, "%s:%s\n", fast_backward ? " (rewind)" : "", reset);
fwrite(sb.buf, sb.len, 1, f);
- if (!message) /* only NULL if we succeeded in setting up the walk */
- print_submodule_summary(&rev, f, line_prefix, del, add, reset);
+ strbuf_release(&sb);
+}
+
+void show_submodule_summary(FILE *f, const char *path,
+ const char *line_prefix,
+ struct object_id *one, struct object_id *two,
+ unsigned dirty_submodule, const char *meta,
+ const char *del, const char *add, const char *reset)
+{
+ struct rev_info rev;
+ struct commit *left = NULL, *right = NULL;
+ struct commit_list *merge_bases = NULL;
+
+ show_submodule_header(f, path, line_prefix, one, two, dirty_submodule,
+ meta, reset, &left, &right, &merge_bases);
+
+ /*
+ * If we don't have both a left and a right pointer, there is no
+ * reason to try and display a summary. The header line should contain
+ * all the information the user needs.
+ */
+ if (!left || !right)
+ goto out;
+
+ /* Treat revision walker failure the same as missing commits */
+ if (prepare_submodule_summary(&rev, path, left, right, merge_bases)) {
+ fprintf(f, "%s(revision walker failed)\n", line_prefix);
+ goto out;
+ }
+
+ print_submodule_summary(&rev, f, line_prefix, del, add, reset);
+
+out:
+ if (merge_bases)
+ free_commit_list(merge_bases);
+ clear_commit_marks(left, ~0);
+ clear_commit_marks(right, ~0);
+}
+
+void show_submodule_inline_diff(FILE *f, const char *path,
+ const char *line_prefix,
+ struct object_id *one, struct object_id *two,
+ unsigned dirty_submodule, const char *meta,
+ const char *del, const char *add, const char *reset,
+ const struct diff_options *o)
+{
+ const struct object_id *old = &empty_tree_oid, *new = &empty_tree_oid;
+ struct commit *left = NULL, *right = NULL;
+ struct commit_list *merge_bases = NULL;
+ struct strbuf submodule_dir = STRBUF_INIT;
+ struct child_process cp = CHILD_PROCESS_INIT;
+
+ show_submodule_header(f, path, line_prefix, one, two, dirty_submodule,
+ meta, reset, &left, &right, &merge_bases);
+
+ /* We need a valid left and right commit to display a difference */
+ if (!(left || is_null_oid(one)) ||
+ !(right || is_null_oid(two)))
+ goto done;
+
+ if (left)
+ old = one;
+ if (right)
+ new = two;
+
+ fflush(f);
+ cp.git_cmd = 1;
+ cp.dir = path;
+ cp.out = dup(fileno(f));
+ cp.no_stdin = 1;
+
+ /* TODO: other options may need to be passed here. */
+ argv_array_push(&cp.args, "diff");
+ argv_array_pushf(&cp.args, "--line-prefix=%s", line_prefix);
+ if (DIFF_OPT_TST(o, REVERSE_DIFF)) {
+ argv_array_pushf(&cp.args, "--src-prefix=%s%s/",
+ o->b_prefix, path);
+ argv_array_pushf(&cp.args, "--dst-prefix=%s%s/",
+ o->a_prefix, path);
+ } else {
+ argv_array_pushf(&cp.args, "--src-prefix=%s%s/",
+ o->a_prefix, path);
+ argv_array_pushf(&cp.args, "--dst-prefix=%s%s/",
+ o->b_prefix, path);
+ }
+ argv_array_push(&cp.args, oid_to_hex(old));
+ /*
+ * If the submodule has modified content, we will diff against the
+ * work tree, under the assumption that the user has asked for the
+ * diff format and wishes to actually see all differences even if they
+ * haven't yet been committed to the submodule yet.
+ */
+ if (!(dirty_submodule & DIRTY_SUBMODULE_MODIFIED))
+ argv_array_push(&cp.args, oid_to_hex(new));
+
+ if (run_command(&cp))
+ fprintf(f, "(diff failed)\n");
+
+done:
+ strbuf_release(&submodule_dir);
+ if (merge_bases)
+ free_commit_list(merge_bases);
if (left)
clear_commit_marks(left, ~0);
if (right)
clear_commit_marks(right, ~0);
-
- strbuf_release(&sb);
}
void set_config_fetch_recurse_submodules(int value)
argv[1] = sha1_to_hex(sha1);
cp.argv = argv;
- cp.env = local_repo_env;
+ prepare_submodule_repo_env(&cp.env_array);
cp.git_cmd = 1;
cp.no_stdin = 1;
cp.out = -1;
struct diff_filepair *p = q->queue[i];
if (!S_ISGITLINK(p->two->mode))
continue;
- if (submodule_needs_pushing(p->two->path, p->two->sha1))
+ if (submodule_needs_pushing(p->two->path, p->two->oid.hash))
string_list_insert(needs_pushing, p->two->path);
}
}
const char *argv[] = {"push", NULL};
cp.argv = argv;
- cp.env = local_repo_env;
+ prepare_submodule_repo_env(&cp.env_array);
cp.git_cmd = 1;
cp.no_stdin = 1;
cp.dir = path;
argv[3] = sha1_to_hex(sha1);
cp.argv = argv;
- cp.env = local_repo_env;
+ prepare_submodule_repo_env(&cp.env_array);
cp.git_cmd = 1;
cp.no_stdin = 1;
cp.dir = path;
* being moved around. */
struct string_list_item *path;
path = unsorted_string_list_lookup(&changed_submodule_paths, p->two->path);
- if (!path && !is_submodule_commit_present(p->two->path, p->two->sha1))
+ if (!path && !is_submodule_commit_present(p->two->path, p->two->oid.hash))
string_list_append(&changed_submodule_paths, xstrdup(p->two->path));
} else {
/* Submodule is new or was moved here */
sha1_array_append(&ref_tips_after_fetch, new_sha1);
}
-static void add_sha1_to_argv(const unsigned char sha1[20], void *data)
+static int add_sha1_to_argv(const unsigned char sha1[20], void *data)
{
argv_array_push(data, sha1_to_hex(sha1));
+ return 0;
}
static void calculate_changed_submodule_paths(void)
if (is_directory(git_dir)) {
child_process_init(cp);
cp->dir = strbuf_detach(&submodule_path, NULL);
- cp->env = local_repo_env;
+ prepare_submodule_repo_env(&cp->env_array);
cp->git_cmd = 1;
if (!spf->quiet)
strbuf_addf(err, "Fetching submodule %s%s\n",
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,
argv[2] = "-uno";
cp.argv = argv;
- cp.env = local_repo_env;
+ prepare_submodule_repo_env(&cp.env_array);
cp.git_cmd = 1;
cp.no_stdin = 1;
cp.out = -1;
/* Now test that all nested submodules use a gitfile too */
cp.argv = argv;
- cp.env = local_repo_env;
+ prepare_submodule_repo_env(&cp.env_array);
cp.git_cmd = 1;
cp.no_stdin = 1;
cp.no_stderr = 1;
return 0;
cp.argv = argv;
- cp.env = local_repo_env;
+ prepare_submodule_repo_env(&cp.env_array);
cp.git_cmd = 1;
cp.no_stdin = 1;
cp.out = -1;
strbuf_release(&rel_path);
free((void *)real_work_tree);
}
+
+int parallel_submodules(void)
+{
+ return parallel_jobs;
+}
+
+void prepare_submodule_repo_env(struct argv_array *out)
+{
+ const char * const *var;
+
+ for (var = local_repo_env; *var; var++) {
+ if (strcmp(*var, CONFIG_DATA_ENVIRONMENT))
+ argv_array_push(out, *var);
+ }
+ argv_array_push(out, "GIT_DIR=.git");
+}