t4034: abstract away SHA-1-specific constants

[thirdparty/git.git] / setup.c

diff --git a/setup.c b/setup.c
index 25a3038277cdaaca736a82191dd6b7bb82cd9ae2..e2a479a64fa4076bad8eaf6cf0949d0ae263da9d 100644 (file)
--- a/setup.c
+++ b/setup.c
@@ -798,7 +798,7 @@ static const char *setup_discovered_git_dir(const char *gitdir,
                set_git_dir(gitdir);
        inside_git_dir = 0;
        inside_work_tree = 1;
-       if (offset == cwd->len)
+       if (offset >= cwd->len)
                return NULL;
 
        /* Make "offset" point past the '/' (already the case for root dirs) */
@@ -920,7 +920,7 @@ static enum discovery_result setup_git_directory_gently_1(struct strbuf *dir,
        const char *env_ceiling_dirs = getenv(CEILING_DIRECTORIES_ENVIRONMENT);
        struct string_list ceiling_dirs = STRING_LIST_INIT_DUP;
        const char *gitdirenv;
-       int ceil_offset = -1, min_offset = has_dos_drive_prefix(dir->buf) ? 3 : 1;
+       int ceil_offset = -1, min_offset = offset_1st_component(dir->buf);
        dev_t current_device = 0;
        int one_filesystem = 1;
 
@@ -948,6 +948,12 @@ static enum discovery_result setup_git_directory_gently_1(struct strbuf *dir,
        if (ceil_offset < 0)
                ceil_offset = min_offset - 2;
 
+       if (min_offset && min_offset == dir->len &&
+           !is_dir_sep(dir->buf[min_offset - 1])) {
+               strbuf_addch(dir, '/');
+               min_offset++;
+       }
+
        /*
         * Test in the following order (relative to the dir):
         * - .git (file containing "gitdir: <path>")