/* We allow "recursive" symbolic refs. Only within reason, though */
#define MAXDEPTH 5
-#ifndef USE_SYMLINK_HEAD
-#define USE_SYMLINK_HEAD 1
-#endif
-
const char *resolve_ref(const char *path, unsigned char *sha1, int reading)
{
int depth = MAXDEPTH, len;
char ref[1000];
int fd, len, written;
-#if USE_SYMLINK_HEAD
+#ifdef USE_SYMLINK_HEAD
if (!only_use_symrefs) {
unlink(git_HEAD);
if (!symlink(refs_heads_master, git_HEAD))
break;
continue;
}
- if (read_ref(git_path("%s", path), sha1) < 0)
+ if (read_ref(git_path("%s", path), sha1) < 0) {
+ error("%s points nowhere!", path);
continue;
- if (!has_sha1_file(sha1))
+ }
+ if (!has_sha1_file(sha1)) {
+ error("%s does not point to a valid "
+ "commit object!", path);
continue;
+ }
retval = fn(path, sha1);
if (retval)
break;
char term = '\n';
if (write(fd, hex, 40) < 40 ||
write(fd, &term, 1) < 1) {
- error("Couldn't write %s\n", filename);
+ error("Couldn't write %s", filename);
close(fd);
return -1;
}
if (!ch) {
if (level < 2)
return -1; /* at least of form "heads/blah" */
-
- /* Do not allow ref name to end in "HEAD"
- * Note that cp is poiting at one past NUL at the end.
- * i.e. cp[-1] = NUL.
- */
- if (5 <= cp - ref && !strcmp(cp - 5, "HEAD"))
- return -1;
-
return 0;
}
}