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Diffstat (limited to 'path.c')
-rw-r--r--path.c26
1 files changed, 18 insertions, 8 deletions
diff --git a/path.c b/path.c
index bb5ee7b..c5d25a4 100644
--- a/path.c
+++ b/path.c
@@ -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;