completion: extract repository discovery from __gitdir()

diff --git a/submodule-config.h b/submodule-config.h
index d05c542d2cdace181ea72055c0f71db6b1afda42..70f19363fd8bf5b7f42e974dacdc3ed2cd58a96a 100644 (file)
--- a/submodule-config.h
+++ b/submodule-config.h
@@ -25,10 +25,13 @@ struct submodule {
 int parse_fetch_recurse_submodules_arg(const char *opt, const char *arg);
 int parse_push_recurse_submodules_arg(const char *opt, const char *arg);
 int parse_submodule_config_option(const char *var, const char *value);
-const struct submodule *submodule_from_name(const unsigned char *commit_sha1,
+const struct submodule *submodule_from_name(const unsigned char *commit_or_tree,
                const char *name);
-const struct submodule *submodule_from_path(const unsigned char *commit_sha1,
+const struct submodule *submodule_from_path(const unsigned char *commit_or_tree,
                const char *path);
+extern int gitmodule_sha1_from_commit(const unsigned char *commit_sha1,
+                                     unsigned char *gitmodules_sha1,
+                                     struct strbuf *rev);
 void submodule_free(void);
 
 #endif /* SUBMODULE_CONFIG_H */