diff options
Diffstat (limited to 'path.c')
| -rw-r--r-- | path.c | 26 |
1 files changed, 18 insertions, 8 deletions
@@ -90,10 +90,11 @@ int git_mkstemp(char *path, size_t len, const char *template) } -int validate_symref(const char *path) +int validate_headref(const char *path) { struct stat st; char *buf, buffer[256]; + unsigned char sha1[20]; int len, fd; if (lstat(path, &st) < 0) @@ -119,14 +120,23 @@ int validate_symref(const char *path) /* * Is it a symbolic ref? */ - if (len < 4 || memcmp("ref:", buffer, 4)) + if (len < 4) return -1; - buf = buffer + 4; - len -= 4; - while (len && isspace(*buf)) - buf++, len--; - if (len >= 5 && !memcmp("refs/", buf, 5)) + if (!memcmp("ref:", buffer, 4)) { + buf = buffer + 4; + len -= 4; + while (len && isspace(*buf)) + buf++, len--; + if (len >= 5 && !memcmp("refs/", buf, 5)) + return 0; + } + + /* + * Is this a detached HEAD? + */ + if (!get_sha1_hex(buffer, sha1)) return 0; + return -1; } @@ -241,7 +251,7 @@ char *enter_repo(char *path, int strict) return NULL; if (access("objects", X_OK) == 0 && access("refs", X_OK) == 0 && - validate_symref("HEAD") == 0) { + validate_headref("HEAD") == 0) { putenv("GIT_DIR=."); check_repository_format(); return path; |