setup: add gentle version of resolve_git_dir

This follows a93bedada (setup: add gentle version of read_gitfile, 2015-06-09), and assumes the same reasoning. resolve_git_dir is unsuited for speculative calls, so we want to use the gentle version to find out about potential errors. Signed-off-by: Stefan Beller <sbeller@google.com> Signed-off-by: Junio C Hamano <gitster@pobox.com>

Stefan Beller committed Jan 24, 2017 at 15:56 UTC 40d96325143ae04cb3f645ac96f6413d1f641b9b
2 files changed +5 -3
cache.h
+3 -1
@@ -509,7 +509,9 @@ extern int is_nonbare_repository_dir(struct strbuf *path);
509 #define READ_GITFILE_ERR_TOO_LARGE 8
510 extern const char *read_gitfile_gently(const char *path, int *return_error_code);
511 #define read_gitfile(path) read_gitfile_gently((path), NULL)
512 -extern const char *resolve_gitdir(const char *suspect);
512 +extern const char *resolve_gitdir_gently(const char *suspect, int *return_error_code);
513 +#define resolve_gitdir(path) resolve_gitdir_gently((path), NULL)
514 +
515 extern void set_git_work_tree(const char *tree);
516
517 #define ALTERNATE_DB_ENVIRONMENT "GIT_ALTERNATE_OBJECT_DIRECTORIES"
setup.c
+2 -2
@@ -1017,11 +1017,11 @@ const char *setup_git_directory(void)
1017 return setup_git_directory_gently(NULL);
1018 }
1019
1020 -const char *resolve_gitdir(const char *suspect)
1020 +const char *resolve_gitdir_gently(const char *suspect, int *return_error_code)
1021 {
1022 if (is_git_directory(suspect))
1023 return suspect;
1024 - return read_gitfile(suspect);
1024 + return read_gitfile_gently(suspect, return_error_code);
1025 }
1026
1027 /* if any standard file descriptor is missing open it to /dev/null */