#include "diffcore.h"
#include "refs.h"
#include "string-list.h"
+#include "sha1-array.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 struct string_list changed_submodule_paths;
+static int initialized_fetch_ref_tips;
+static struct sha1_array ref_tips_before_fetch;
+static struct sha1_array ref_tips_after_fetch;
+
+/*
+ * The following flag is set if the .gitmodules file is unmerged. We then
+ * disable recursion for all submodules where .git/config doesn't have a
+ * matching config entry because we can't guess what might be configured in
+ * .gitmodules unless the user resolves the conflict. When a command line
+ * option is given (which always overrides configuration) this flag will be
+ * ignored.
+ */
+static int gitmodules_is_unmerged;
static int add_submodule_odb(const char *path)
{
ignore_option = unsorted_string_list_lookup(&config_ignore_for_name, path_option->util);
if (ignore_option)
handle_ignore_submodules_arg(diffopt, ignore_option->util);
+ else if (gitmodules_is_unmerged)
+ DIFF_OPT_SET(diffopt, IGNORE_SUBMODULES);
}
}
const char *work_tree = get_git_work_tree();
if (work_tree) {
struct strbuf gitmodules_path = STRBUF_INIT;
+ int pos;
strbuf_addstr(&gitmodules_path, work_tree);
strbuf_addstr(&gitmodules_path, "/.gitmodules");
- git_config_from_file(submodule_config, gitmodules_path.buf, NULL);
+ if (read_cache() < 0)
+ die("index file corrupt");
+ pos = cache_name_pos(".gitmodules", 11);
+ if (pos < 0) { /* .gitmodules not found or isn't merged */
+ pos = -1 - pos;
+ if (active_nr > pos) { /* there is a .gitmodules */
+ const struct cache_entry *ce = active_cache[pos];
+ if (ce_namelen(ce) == 11 &&
+ !memcmp(ce->name, ".gitmodules", 11))
+ gitmodules_is_unmerged = 1;
+ }
+ }
+
+ if (!gitmodules_is_unmerged)
+ git_config_from_file(submodule_config, gitmodules_path.buf, NULL);
strbuf_release(&gitmodules_path);
}
}
}
}
+static int add_sha1_to_array(const char *ref, const unsigned char *sha1,
+ int flags, void *data)
+{
+ sha1_array_append(data, sha1);
+ return 0;
+}
+
void check_for_new_submodule_commits(unsigned char new_sha1[20])
+{
+ if (!initialized_fetch_ref_tips) {
+ for_each_ref(add_sha1_to_array, &ref_tips_before_fetch);
+ initialized_fetch_ref_tips = 1;
+ }
+
+ sha1_array_append(&ref_tips_after_fetch, new_sha1);
+}
+
+struct argv_array {
+ const char **argv;
+ unsigned int argc;
+ unsigned int alloc;
+};
+
+static void init_argv(struct argv_array *array)
+{
+ array->argv = NULL;
+ array->argc = 0;
+ array->alloc = 0;
+}
+
+static void push_argv(struct argv_array *array, const char *value)
+{
+ ALLOC_GROW(array->argv, array->argc + 2, array->alloc);
+ array->argv[array->argc++] = xstrdup(value);
+ array->argv[array->argc] = NULL;
+}
+
+static void clear_argv(struct argv_array *array)
+{
+ int i;
+ for (i = 0; i < array->argc; i++)
+ free((char **)array->argv[i]);
+ free(array->argv);
+ init_argv(array);
+}
+
+static void add_sha1_to_argv(const unsigned char sha1[20], void *data)
+{
+ push_argv(data, sha1_to_hex(sha1));
+}
+
+static void calculate_changed_submodule_paths(void)
{
struct rev_info rev;
struct commit *commit;
- const char *argv[] = {NULL, NULL, "--not", "--all", NULL};
- int argc = ARRAY_SIZE(argv) - 1;
+ struct argv_array argv;
init_revisions(&rev, NULL);
- argv[1] = xstrdup(sha1_to_hex(new_sha1));
- setup_revisions(argc, argv, &rev, NULL);
+ init_argv(&argv);
+ push_argv(&argv, "--"); /* argv[0] program name */
+ sha1_array_for_each_unique(&ref_tips_after_fetch,
+ add_sha1_to_argv, &argv);
+ push_argv(&argv, "--not");
+ sha1_array_for_each_unique(&ref_tips_before_fetch,
+ add_sha1_to_argv, &argv);
+ setup_revisions(argv.argc, argv.argv, &rev, NULL);
if (prepare_revision_walk(&rev))
die("revision walk setup failed");
parent = parent->next;
}
}
- free((char *)argv[1]);
+
+ clear_argv(&argv);
+ sha1_array_clear(&ref_tips_before_fetch);
+ sha1_array_clear(&ref_tips_after_fetch);
+ initialized_fetch_ref_tips = 0;
}
int fetch_populated_submodules(int num_options, const char **options,
cp.git_cmd = 1;
cp.no_stdin = 1;
+ calculate_changed_submodule_paths();
+
for (i = 0; i < active_nr; i++) {
struct strbuf submodule_path = STRBUF_INIT;
struct strbuf submodule_git_dir = STRBUF_INIT;
default_argv = "on-demand";
}
} else {
- if (config_fetch_recurse_submodules == RECURSE_SUBMODULES_OFF)
+ if ((config_fetch_recurse_submodules == RECURSE_SUBMODULES_OFF) ||
+ gitmodules_is_unmerged)
continue;
if (config_fetch_recurse_submodules == RECURSE_SUBMODULES_ON_DEMAND) {
if (!unsorted_string_list_lookup(&changed_submodule_paths, ce->name))