fix: sometimes %ct of branch returns empty string (#1715)

Signed-off-by: leo <longshuang@msn.cn>

Author: love-linger

src/Commands/QueryBranches.cs

@@ -94,8 +94,11 @@ private Models.Branch ParseLine(string line)
                 branch.IsLocal = true;
             }
 
+            ulong committerDate = 0;
+            ulong.TryParse(parts[1], out committerDate);
+
             branch.FullName = refName;
-            branch.CommitterDate = ulong.Parse(parts[1]);
+            branch.CommitterDate = committerDate;
             branch.Head = parts[2];
             branch.IsCurrent = parts[3] == "*";
             branch.Upstream = parts[4];

src/Commands/QueryTags.cs

@@ -34,13 +34,16 @@ public QueryTags(string repo)
                 if (!string.IsNullOrEmpty(message) && message.Equals(name, StringComparison.Ordinal))
                     message = null;
 
+                ulong creactorDate = 0;
+                ulong.TryParse(subs[5], out creactorDate);
+
                 tags.Add(new Models.Tag()
                 {
                     Name = name,
                     IsAnnotated = subs[1].Equals("tag", StringComparison.Ordinal),
                     SHA = string.IsNullOrEmpty(subs[3]) ? subs[2] : subs[3],
                     Creator = Models.User.FindOrAdd(subs[4]),
-                    CreatorDate = string.IsNullOrEmpty(subs[5]) ? 0 : ulong.Parse(subs[5]),
+                    CreatorDate = creactorDate,
                     Message = message,
                 });
             }