X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=fetch.c;h=8bdaacb8e87b9990e00023aa9baa6b7cda179437;hb=d556fae2c0ea063f15ea4c3678fe931cc426f1ca;hp=a1748e0b3ded9c60ae6b37c599e6b837482e87e0;hpb=125beb1e27c2f496a04b90b6079753c2baf49c31;p=git.git

diff --git a/fetch.c b/fetch.c
index a1748e0b..8bdaacb8 100644
--- a/fetch.c
+++ b/fetch.c
@@ -15,6 +15,7 @@ int get_tree = 0;
 int get_history = 0;
 int get_all = 0;
 int get_verbosely = 0;
+int get_recover = 0;
 static unsigned char current_commit_sha1[20];
 
 void pull_say(const char *fmt, const char *hex) 
@@ -48,16 +49,16 @@ static int process_tree(struct tree *tree)
 		struct tree_entry_list *next = entry->next;
 		if (process(entry->item.any))
 			return -1;
+		free(entry->name);
 		free(entry);
 		entry = next;
 	}
 	return 0;
 }
 
-#define COMPLETE	1U
-#define TO_FETCH	2U
-#define TO_SCAN		4U
-#define SEEN		16U
+#define COMPLETE	(1U << 0)
+#define SEEN		(1U << 1)
+#define TO_SCAN		(1U << 2)
 
 static struct commit_list *complete = NULL;
 
@@ -135,23 +136,16 @@ static int process(struct object *obj)
 	obj->flags |= SEEN;
 
 	if (has_sha1_file(obj->sha1)) {
-		parse_object(obj->sha1);
 		/* We already have it, so we should scan it now. */
-		if (obj->flags & TO_SCAN)
-			return 0;
-		object_list_insert(obj, process_queue_end);
-		process_queue_end = &(*process_queue_end)->next;
 		obj->flags |= TO_SCAN;
-		return 0;
+	} else {
+		if (obj->flags & COMPLETE)
+			return 0;
+		prefetch(obj->sha1);
 	}
-	if (obj->flags & (COMPLETE | TO_FETCH))
-		return 0;
+		
 	object_list_insert(obj, process_queue_end);
 	process_queue_end = &(*process_queue_end)->next;
-	obj->flags |= TO_FETCH;
-
-	prefetch(obj->sha1);
-		
 	return 0;
 }
 
@@ -171,7 +165,7 @@ static int loop(void)
 		 * the queue because we needed to fetch it first.
 		 */
 		if (! (obj->flags & TO_SCAN)) {
-			if (!has_sha1_file(obj->sha1) && fetch(obj->sha1)) {
+			if (fetch(obj->sha1)) {
 				report_missing(obj->type
 					       ? obj->type
 					       : "object", obj->sha1);
@@ -210,32 +204,37 @@ static int mark_complete(const char *path, const unsigned char *sha1)
 
 int pull(char *target)
 {
+	struct ref_lock *lock;
 	unsigned char sha1[20];
-	int fd = -1;
 
 	save_commit_buffer = 0;
-	if (write_ref && current_ref) {
-		fd = lock_ref_sha1(write_ref, current_ref);
-		if (fd < 0)
+	track_object_refs = 0;
+	if (write_ref) {
+		lock = lock_ref_sha1(write_ref, current_ref, 1);
+		if (!lock)
 			return -1;
 	}
 
-	for_each_ref(mark_complete);
+	if (!get_recover) {
+		for_each_ref(mark_complete);
+	}
 
-	if (interpret_target(target, sha1))
-		return error("Could not interpret %s as something to pull",
-			     target);
-	if (process(lookup_unknown_object(sha1)))
+	if (interpret_target(target, sha1)) {
+		error("Could not interpret %s as something to pull", target);
+		unlock_ref(lock);
+		return -1;
+	}
+	if (process(lookup_unknown_object(sha1))) {
+		unlock_ref(lock);
 		return -1;
-	if (loop())
+	}
+	if (loop()) {
+		unlock_ref(lock);
 		return -1;
-	
+	}
+
 	if (write_ref) {
-		if (current_ref) {
-			write_ref_sha1(write_ref, fd, sha1);
-		} else {
-			write_ref_sha1_unlocked(write_ref, sha1);
-		}
+		return write_ref_sha1(lock, sha1, "git fetch");
 	}
 	return 0;
 }