repository: Export all internal paths

include/git2/repository.h

@@ -231,22 +231,31 @@ GIT_EXTERN(int) git_repository_init(git_repository **repo_out, const char *path,
 GIT_EXTERN(int) git_repository_is_empty(git_repository *repo);
 
 /**
- * Get the normalized path to the git repository.
- *
- * @param repo a repository object
- * @return absolute path to the git directory
+ * Internal path identifiers for a repository
  */
-GIT_EXTERN(const char *) git_repository_path(git_repository *repo);
+typedef enum {
+	GIT_REPO_PATH,
+	GIT_REPO_PATH_INDEX,
+	GIT_REPO_PATH_ODB,
+	GIT_REPO_PATH_WORKDIR
+} git_repository_pathid;
 
 /**
- * Get the normalized path to the working directory of the repository.
+ * Get one of the paths to the repository
+ *
+ * Possible values for `id`:
  *
- * If the repository is bare, there is no working directory and NULL we be returned.
+ *	GIT_REPO_PATH: return the path to the repository
+ *	GIT_REPO_PATH_INDEX: return the path to the index
+ *	GIT_REPO_PATH_ODB: return the path to the ODB
+ *	GIT_REPO_PATH_WORKDIR: return the path to the working
+ *		directory
  *
  * @param repo a repository object
- * @return NULL if the repository is bare; absolute path to the working directory otherwise.
+ * @param id The ID of the path to return
+ * @return absolute path of the requested id
  */
-GIT_EXTERN(const char *) git_repository_workdir(git_repository *repo);
+GIT_EXTERN(const char *) git_repository_path(git_repository *repo, git_repository_pathid id);
 
 /**
  * Check if a repository is bare

src/repository.c

@@ -721,16 +721,26 @@ int git_repository_is_empty(git_repository *repo)
 	return git_reference_resolve(&branch, head) == GIT_SUCCESS ? 0 : 1;
 }
 
-const char *git_repository_path(git_repository *repo)
+const char *git_repository_path(git_repository *repo, git_repository_pathid id)
 {
 	assert(repo);
-	return repo->path_repository;
-}
 
-const char *git_repository_workdir(git_repository *repo)
-{
-	assert(repo);
-	return repo->path_workdir;
+	switch (id) {
+	case GIT_REPO_PATH:
+		return repo->path_repository;
+
+	case GIT_REPO_PATH_INDEX:
+		return repo->path_index;
+
+	case GIT_REPO_PATH_ODB:
+		return repo->path_odb;
+
+	case GIT_REPO_PATH_WORKDIR:
+		return repo->path_workdir;
+
+	default:
+		return NULL;
+	}
 }
 
 int git_repository_is_bare(git_repository *repo)

tests/t12-repo.c

@@ -201,8 +201,8 @@ BEGIN_TEST(open0, "Open a bare repository that has just been initialized by git"
 	must_pass(remove_placeholders(TEMP_REPO_FOLDER, "dummy-marker.txt"));
 
 	must_pass(git_repository_open(&repo, TEMP_REPO_FOLDER));
-	must_be_true(git_repository_path(repo) != NULL);
-	must_be_true(git_repository_workdir(repo) == NULL);
+	must_be_true(git_repository_path(repo, GIT_REPO_PATH) != NULL);
+	must_be_true(git_repository_path(repo, GIT_REPO_PATH_WORKDIR) == NULL);
 
 	git_repository_free(repo);
 	must_pass(rmdir_recurs(TEMP_REPO_FOLDER));
@@ -220,8 +220,8 @@ BEGIN_TEST(open1, "Open a standard repository that has just been initialized by
 	must_pass(remove_placeholders(DEST_REPOSITORY_FOLDER, "dummy-marker.txt"));
 
 	must_pass(git_repository_open(&repo, DEST_REPOSITORY_FOLDER));
-	must_be_true(git_repository_path(repo) != NULL);
-	must_be_true(git_repository_workdir(repo) != NULL);
+	must_be_true(git_repository_path(repo, GIT_REPO_PATH) != NULL);
+	must_be_true(git_repository_path(repo, GIT_REPO_PATH_WORKDIR) != NULL);
 
 	git_repository_free(repo);
 	must_pass(rmdir_recurs(TEMP_REPO_FOLDER));