X-Git-Url: https://asedeno.scripts.mit.edu/gitweb/?a=blobdiff_plain;f=reachable.c;h=6383401e2dd6bef3251a105ac136312dfdcdeb3c;hb=36a189c86e4a4ad75a75f598eedfe2defab3cbf3;hp=4dfee1dbe8acb4bb6dbf2570585974d0cca6f757;hpb=94421474e068c2f0a7bef3d658216a0f1e75b906;p=git.git

diff --git a/reachable.c b/reachable.c
index 4dfee1dbe..6383401e2 100644
--- a/reachable.c
+++ b/reachable.c
@@ -21,6 +21,14 @@ static void process_blob(struct blob *blob,
 	/* Nothing to do, really .. The blob lookup was the important part */
 }
 
+static void process_gitlink(const unsigned char *sha1,
+			    struct object_array *p,
+			    struct name_path *path,
+			    const char *name)
+{
+	/* I don't think we want to recurse into this, really. */
+}
+
 static void process_tree(struct tree *tree,
 			 struct object_array *p,
 			 struct name_path *path,
@@ -42,12 +50,13 @@ static void process_tree(struct tree *tree,
 	me.elem = name;
 	me.elem_len = strlen(name);
 
-	desc.buf = tree->buffer;
-	desc.size = tree->size;
+	init_tree_desc(&desc, tree->buffer, tree->size);
 
 	while (tree_entry(&desc, &entry)) {
 		if (S_ISDIR(entry.mode))
 			process_tree(lookup_tree(entry.sha1), p, &me, entry.path);
+		else if (S_ISGITLINK(entry.mode))
+			process_gitlink(entry.sha1, p, &me, entry.path);
 		else
 			process_blob(lookup_blob(entry.sha1), p, &me, entry.path);
 	}
@@ -104,7 +113,9 @@ static void walk_commit_list(struct rev_info *revs)
 	}
 }
 
-static int add_one_reflog_ent(unsigned char *osha1, unsigned char *nsha1, char *datail, void *cb_data)
+static int add_one_reflog_ent(unsigned char *osha1, unsigned char *nsha1,
+		const char *email, unsigned long timestamp, int tz,
+		const char *message, void *cb_data)
 {
 	struct object *object;
 	struct rev_info *revs = (struct rev_info *)cb_data;
@@ -158,6 +169,16 @@ static void add_cache_refs(struct rev_info *revs)
 
 	read_cache();
 	for (i = 0; i < active_nr; i++) {
+		/*
+		 * The index can contain blobs and GITLINKs, GITLINKs are hashes
+		 * that don't actually point to objects in the repository, it's
+		 * almost guaranteed that they are NOT blobs, so we don't call
+		 * lookup_blob() on them, to avoid populating the hash table
+		 * with invalid information
+		 */
+		if (S_ISGITLINK(ntohl(active_cache[i]->ce_mode)))
+			continue;
+
 		lookup_blob(active_cache[i]->sha1);
 		/*
 		 * We could add the blobs to the pending list, but quite
@@ -186,9 +207,9 @@ void mark_reachable_objects(struct rev_info *revs, int mark_reflog)
 	/* Add all external refs */
 	for_each_ref(add_one_ref, revs);
 
-	/* Add all reflog info from refs */
+	/* Add all reflog info */
 	if (mark_reflog)
-		for_each_ref(add_one_reflog, revs);
+		for_each_reflog(add_one_reflog, revs);
 
 	/*
 	 * Set up the revision walk - this will move all commits