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diff --git a/submodule.c b/submodule.c
index 91a47587478ae0550be8f41c00cb1749c85834f4..924b156950982db56ab6ddf1093aff30375e5ee4 100644 (file)
--- a/submodule.c
+++ b/submodule.c
#include "string-list.h"
struct string_list config_name_for_path;
+struct string_list config_fetch_recurse_submodules_for_name;
struct string_list config_ignore_for_name;
+static int config_fetch_recurse_submodules = RECURSE_SUBMODULES_ON_DEMAND;
+struct string_list changed_submodule_paths;
static int add_submodule_odb(const char *path)
{
}
}
-static int submodule_config(const char *var, const char *value, void *cb)
+int submodule_config(const char *var, const char *value, void *cb)
{
if (!prefixcmp(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);
+ return 0;
+ }
return 0;
}
config = string_list_append(&config_name_for_path, xstrdup(value));
config->util = strbuf_detach(&submodname, NULL);
strbuf_release(&submodname);
+ } else if ((len > 23) && !strcmp(var + len - 23, ".fetchrecursesubmodules")) {
+ strbuf_add(&submodname, var, len - 23);
+ config = unsorted_string_list_lookup(&config_fetch_recurse_submodules_for_name, submodname.buf);
+ if (!config)
+ config = string_list_append(&config_fetch_recurse_submodules_for_name,
+ strbuf_detach(&submodname, NULL));
+ config->util = (void *)(intptr_t)parse_fetch_recurse_submodules_arg(var, value);
+ strbuf_release(&submodname);
} else if ((len > 7) && !strcmp(var + len - 7, ".ignore")) {
if (strcmp(value, "untracked") && strcmp(value, "dirty") &&
strcmp(value, "all") && strcmp(value, "none")) {
die("bad --ignore-submodules argument: %s", arg);
}
+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,
unsigned char one[20], unsigned char two[20],
unsigned dirty_submodule,
strbuf_release(&sb);
}
+void set_config_fetch_recurse_submodules(int value)
+{
+ config_fetch_recurse_submodules = value;
+}
+
+static void submodule_collect_changed_cb(struct diff_queue_struct *q,
+ struct diff_options *options,
+ void *data)
+{
+ int i;
+ for (i = 0; i < q->nr; i++) {
+ struct diff_filepair *p = q->queue[i];
+ if (!S_ISGITLINK(p->two->mode))
+ continue;
+
+ if (S_ISGITLINK(p->one->mode)) {
+ /* NEEDSWORK: We should honor the name configured in
+ * the .gitmodules file of the commit we are examining
+ * here to be able to correctly follow submodules
+ * being moved around. */
+ struct string_list_item *path;
+ path = unsorted_string_list_lookup(&changed_submodule_paths, p->two->path);
+ if (!path)
+ string_list_append(&changed_submodule_paths, xstrdup(p->two->path));
+ } else {
+ /* Submodule is new or was moved here */
+ /* NEEDSWORK: When the .git directories of submodules
+ * live inside the superprojects .git directory some
+ * day we should fetch new submodules directly into
+ * that location too when config or options request
+ * that so they can be checked out from there. */
+ continue;
+ }
+ }
+}
+
+void check_for_new_submodule_commits(unsigned char new_sha1[20])
+{
+ struct rev_info rev;
+ struct commit *commit;
+ const char *argv[] = {NULL, NULL, "--not", "--all", NULL};
+ int argc = ARRAY_SIZE(argv) - 1;
+
+ init_revisions(&rev, NULL);
+ argv[1] = xstrdup(sha1_to_hex(new_sha1));
+ setup_revisions(argc, argv, &rev, NULL);
+ if (prepare_revision_walk(&rev))
+ die("revision walk setup failed");
+
+ /*
+ * Collect all submodules (whether checked out or not) for which new
+ * commits have been recorded upstream in "changed_submodule_paths".
+ */
+ while ((commit = get_revision(&rev))) {
+ struct commit_list *parent = commit->parents;
+ while (parent) {
+ struct diff_options diff_opts;
+ diff_setup(&diff_opts);
+ diff_opts.output_format |= DIFF_FORMAT_CALLBACK;
+ diff_opts.format_callback = submodule_collect_changed_cb;
+ if (diff_setup_done(&diff_opts) < 0)
+ die("diff_setup_done failed");
+ diff_tree_sha1(parent->item->object.sha1, commit->object.sha1, "", &diff_opts);
+ diffcore_std(&diff_opts);
+ diff_flush(&diff_opts);
+ parent = parent->next;
+ }
+ }
+ free((char *)argv[1]);
+}
+
+int fetch_populated_submodules(int num_options, const char **options,
+ const char *prefix, int command_line_option,
+ int quiet)
+{
+ int i, result = 0, argc = 0, default_argc;
+ struct child_process cp;
+ const char **argv;
+ struct string_list_item *name_for_path;
+ const char *work_tree = get_git_work_tree();
+ if (!work_tree)
+ goto out;
+
+ if (!the_index.initialized)
+ if (read_cache() < 0)
+ die("index file corrupt");
+
+ /* 6: "fetch" (options) --recurse-submodules-default default "--submodule-prefix" prefix NULL */
+ argv = xcalloc(num_options + 6, sizeof(const char *));
+ argv[argc++] = "fetch";
+ for (i = 0; i < num_options; i++)
+ argv[argc++] = options[i];
+ argv[argc++] = "--recurse-submodules-default";
+ default_argc = argc++;
+ argv[argc++] = "--submodule-prefix";
+
+ memset(&cp, 0, sizeof(cp));
+ cp.argv = argv;
+ cp.env = local_repo_env;
+ cp.git_cmd = 1;
+ cp.no_stdin = 1;
+
+ for (i = 0; i < active_nr; i++) {
+ struct strbuf submodule_path = STRBUF_INIT;
+ struct strbuf submodule_git_dir = STRBUF_INIT;
+ struct strbuf submodule_prefix = STRBUF_INIT;
+ struct cache_entry *ce = active_cache[i];
+ const char *git_dir, *name, *default_argv;
+
+ 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;
+
+ 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)
+ continue;
+ if ((intptr_t)fetch_recurse_submodules_option->util == RECURSE_SUBMODULES_ON_DEMAND) {
+ if (!unsorted_string_list_lookup(&changed_submodule_paths, ce->name))
+ continue;
+ default_argv = "on-demand";
+ }
+ } else {
+ if (config_fetch_recurse_submodules == RECURSE_SUBMODULES_OFF)
+ continue;
+ if (config_fetch_recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND) {
+ if (!unsorted_string_list_lookup(&changed_submodule_paths, ce->name))
+ continue;
+ default_argv = "on-demand";
+ }
+ }
+ } else if (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_git_dir, "%s/.git", submodule_path.buf);
+ strbuf_addf(&submodule_prefix, "%s%s/", prefix, ce->name);
+ git_dir = read_gitfile_gently(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[default_argc] = default_argv;
+ argv[argc] = submodule_prefix.buf;
+ if (run_command(&cp))
+ result = 1;
+ }
+ strbuf_release(&submodule_path);
+ strbuf_release(&submodule_git_dir);
+ strbuf_release(&submodule_prefix);
+ }
+ free(argv);
+out:
+ string_list_clear(&changed_submodule_paths, 1);
+ return result;
+}
+
unsigned is_submodule_modified(const char *path, int ignore_untracked)
{
ssize_t len;