worktree: prepare for more checks of whether path can become worktree

diff --git a/submodule-config.h b/submodule-config.h
index 634fe39565cedfb4f242322d74a7096ead339556..dc7278eea45deedc33635af50b016e9ee28df7d2 100644 (file)
--- a/submodule-config.h
+++ b/submodule-config.h
@@ -1,6 +1,8 @@
 #ifndef SUBMODULE_CONFIG_CACHE_H
 #define SUBMODULE_CONFIG_CACHE_H
 
+#include "cache.h"
+#include "config.h"
 #include "hashmap.h"
 #include "submodule.h"
 #include "strbuf.h"
@@ -17,36 +19,35 @@ struct submodule {
        const char *ignore;
        const char *branch;
        struct submodule_update_strategy update_strategy;
-       /* the sha1 blob id of the responsible .gitmodules file */
-       unsigned char gitmodules_sha1[20];
+       /* the object id of the responsible .gitmodules file */
+       struct object_id gitmodules_oid;
        int recommend_shallow;
 };
 
+#define SUBMODULE_INIT { NULL, NULL, NULL, RECURSE_SUBMODULES_NONE, \
+       NULL, NULL, SUBMODULE_UPDATE_STRATEGY_INIT, { { 0 } }, -1 };
+
 struct submodule_cache;
 struct repository;
 
 extern void submodule_cache_free(struct submodule_cache *cache);
 
+extern int parse_submodule_fetchjobs(const char *var, const char *value);
 extern int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg);
 struct option;
 extern int option_fetch_parse_recurse_submodules(const struct option *opt,
                                                 const char *arg, int unset);
 extern int parse_update_recurse_submodules_arg(const char *opt, const char *arg);
 extern int parse_push_recurse_submodules_arg(const char *opt, const char *arg);
-extern int parse_submodule_config_option(const char *var, const char *value);
-extern int submodule_config_option(struct repository *repo,
-                                  const char *var, const char *value);
-extern const struct submodule *submodule_from_name(
-               const unsigned char *commit_or_tree, const char *name);
-extern const struct submodule *submodule_from_path(
-               const unsigned char *commit_or_tree, const char *path);
-extern const struct submodule *submodule_from_cache(struct repository *repo,
-                                                   const unsigned char *treeish_name,
-                                                   const char *key);
-extern int gitmodule_sha1_from_commit(const unsigned char *commit_sha1,
-                                     unsigned char *gitmodules_sha1,
-                                     struct strbuf *rev);
-extern void submodule_free(void);
+extern void repo_read_gitmodules(struct repository *repo);
+extern void gitmodules_config_oid(const struct object_id *commit_oid);
+const struct submodule *submodule_from_name(struct repository *r,
+                                           const struct object_id *commit_or_tree,
+                                           const char *name);
+const struct submodule *submodule_from_path(struct repository *r,
+                                           const struct object_id *commit_or_tree,
+                                           const char *path);
+void submodule_free(struct repository *r);
 
 /*
  * Returns 0 if the name is syntactically acceptable as a submodule "name"
@@ -55,4 +56,15 @@ extern void submodule_free(void);
  */
 int check_submodule_name(const char *name);
 
+/*
+ * Note: these helper functions exist solely to maintain backward
+ * compatibility with 'fetch' and 'update_clone' storing configuration in
+ * '.gitmodules'.
+ *
+ * New helpers to retrieve arbitrary configuration from the '.gitmodules' file
+ * should NOT be added.
+ */
+extern void fetch_config_from_gitmodules(int *max_children, int *recurse_submodules);
+extern void update_clone_config_from_gitmodules(int *max_jobs);
+
 #endif /* SUBMODULE_CONFIG_H */