Merge pull request #3466 from libgit2/cmn/quick-parse-64

revwalk: make commit list use 64 bits for time

src/commit_list.c

@@ -110,7 +110,7 @@ static int commit_quick_parse(
 	const uint8_t *buffer_end = buffer + buffer_len;
 	const uint8_t *parents_start, *committer_start;
 	int i, parents = 0;
-	int commit_time;
+	int64_t commit_time;
 
 	buffer += strlen("tree ") + GIT_OID_HEXSZ + 1;
 
@@ -166,10 +166,10 @@ static int commit_quick_parse(
 			buffer--;
 	}
 
-	if ((buffer == committer_start) || (git__strtol32(&commit_time, (char *)(buffer + 1), NULL, 10) < 0))
+	if ((buffer == committer_start) || (git__strtol64(&commit_time, (char *)(buffer + 1), NULL, 10) < 0))
 		return commit_error(commit, "cannot parse commit time");
 
-	commit->time = (time_t)commit_time;
+	commit->time = commit_time;
 	commit->parsed = 1;
 	return 0;
 }

src/commit_list.h

@@ -22,7 +22,7 @@
 
 typedef struct git_commit_list_node {
 	git_oid oid;
-	uint32_t time;
+	int64_t time;
 	unsigned int seen:1,
 			 uninteresting:1,
 			 topo_delay:1,

tests/revwalk/basic.c

@@ -437,3 +437,38 @@ void test_revwalk_basic__mimic_git_rev_list(void)
 
    cl_git_fail_with(git_revwalk_next(&oid, _walk), GIT_ITEROVER);
 }
+
+void test_revwalk_basic__big_timestamp(void)
+{
+	git_reference *head;
+	git_commit *tip;
+	git_signature *sig;
+	git_tree *tree;
+	git_oid id;
+	int error;
+
+	revwalk_basic_setup_walk("testrepo.git");
+
+	cl_git_pass(git_repository_head(&head, _repo));
+	cl_git_pass(git_reference_peel((git_object **) &tip, head, GIT_OBJ_COMMIT));
+
+	/* Commit with a far-ahead timestamp, we should be able to parse it in the revwalk */
+	cl_git_pass(git_signature_new(&sig, "Joe", "joe@example.com", 2399662595, 0));
+	cl_git_pass(git_commit_tree(&tree, tip));
+
+	cl_git_pass(git_commit_create(&id, _repo, "HEAD", sig, sig, NULL, "some message", tree, 1, &tip));
+
+	cl_git_pass(git_revwalk_push_head(_walk));
+
+	while ((error = git_revwalk_next(&id, _walk)) == 0) {
+		/* nothing */
+	}
+
+	cl_assert_equal_i(GIT_ITEROVER, error);
+
+	git_tree_free(tree);
+	git_commit_free(tip);
+	git_reference_free(head);
+	git_signature_free(sig);
+
+}