config: add config_from_gitmodules

diff --git a/submodule.c b/submodule.c
index da2b4848791382b30147cd8fe921996cfb8a92a7..64ad5c12d87e95766890d6902d0781ac092c6841 100644 (file)
--- a/submodule.c
+++ b/submodule.c
@@ -63,7 +63,7 @@ int update_path_in_gitmodules(const char *oldpath, const char *newpath)
        struct strbuf entry = STRBUF_INIT;
        const struct submodule *submodule;
 
-       if (!file_exists(".gitmodules")) /* Do nothing without .gitmodules */
+       if (!file_exists(GITMODULES_FILE)) /* Do nothing without .gitmodules */
                return -1;
 
        if (gitmodules_is_unmerged)
@@ -77,7 +77,7 @@ int update_path_in_gitmodules(const char *oldpath, const char *newpath)
        strbuf_addstr(&entry, "submodule.");
        strbuf_addstr(&entry, submodule->name);
        strbuf_addstr(&entry, ".path");
-       if (git_config_set_in_file_gently(".gitmodules", entry.buf, newpath) < 0) {
+       if (git_config_set_in_file_gently(GITMODULES_FILE, 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);
@@ -97,7 +97,7 @@ int remove_path_from_gitmodules(const char *path)
        struct strbuf sect = STRBUF_INIT;
        const struct submodule *submodule;
 
-       if (!file_exists(".gitmodules")) /* Do nothing without .gitmodules */
+       if (!file_exists(GITMODULES_FILE)) /* Do nothing without .gitmodules */
                return -1;
 
        if (gitmodules_is_unmerged)
@@ -110,7 +110,7 @@ int remove_path_from_gitmodules(const char *path)
        }
        strbuf_addstr(&sect, "submodule.");
        strbuf_addstr(&sect, submodule->name);
-       if (git_config_rename_section_in_file(".gitmodules", sect.buf, NULL) < 0) {
+       if (git_config_rename_section_in_file(GITMODULES_FILE, sect.buf, NULL) < 0) {
                /* Maybe the user already did that, don't error out here */
                warning(_("Could not remove .gitmodules entry for %s"), path);
                strbuf_release(&sect);
@@ -122,7 +122,7 @@ int remove_path_from_gitmodules(const char *path)
 
 void stage_updated_gitmodules(void)
 {
-       if (add_file_to_cache(".gitmodules", 0))
+       if (add_file_to_cache(GITMODULES_FILE, 0))
                die(_("staging updated .gitmodules failed"));
 }
 
@@ -230,21 +230,21 @@ void gitmodules_config(void)
                struct strbuf gitmodules_path = STRBUF_INIT;
                int pos;
                strbuf_addstr(&gitmodules_path, work_tree);
-               strbuf_addstr(&gitmodules_path, "/.gitmodules");
+               strbuf_addstr(&gitmodules_path, "/" GITMODULES_FILE);
                if (read_cache() < 0)
                        die("index file corrupt");
-               pos = cache_name_pos(".gitmodules", 11);
+               pos = cache_name_pos(GITMODULES_FILE, 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))
+                                   !memcmp(ce->name, GITMODULES_FILE, 11))
                                        gitmodules_is_unmerged = 1;
                        }
                } else if (pos < active_nr) {
                        struct stat st;
-                       if (lstat(".gitmodules", &st) == 0 &&
+                       if (lstat(GITMODULES_FILE, &st) == 0 &&
                            ce_match_stat(active_cache[pos], &st, 0) & DATA_CHANGED)
                                gitmodules_is_modified = 1;
                }
@@ -264,7 +264,7 @@ static int gitmodules_cb(const char *var, const char *value, void *data)
 
 void repo_read_gitmodules(struct repository *repo)
 {
-       char *gitmodules_path = repo_worktree_path(repo, ".gitmodules");
+       char *gitmodules_path = repo_worktree_path(repo, GITMODULES_FILE);
 
        git_config_from_file(gitmodules_cb, gitmodules_path, repo);
        free(gitmodules_path);
@@ -1138,6 +1138,32 @@ static void calculate_changed_submodule_paths(void)
        initialized_fetch_ref_tips = 0;
 }
 
+int submodule_touches_in_range(struct object_id *excl_oid,
+                              struct object_id *incl_oid)
+{
+       struct string_list subs = STRING_LIST_INIT_DUP;
+       struct argv_array args = ARGV_ARRAY_INIT;
+       int ret;
+
+       gitmodules_config();
+       /* No need to check if there are no submodules configured */
+       if (!submodule_from_path(NULL, NULL))
+               return 0;
+
+       argv_array_push(&args, "--"); /* args[0] program name */
+       argv_array_push(&args, oid_to_hex(incl_oid));
+       argv_array_push(&args, "--not");
+       argv_array_push(&args, oid_to_hex(excl_oid));
+
+       collect_changed_submodules(&subs, &args);
+       ret = subs.nr;
+
+       argv_array_clear(&args);
+
+       free_submodules_oids(&subs);
+       return ret;
+}
+
 struct submodule_parallel_fetch {
        int count;
        struct argv_array args;