Upgrade project style

SourceGit/Git/Tag.cs

@@ -0,0 +1,118 @@
+using System.Collections.Generic;
+using System.IO;
+using System.Text.RegularExpressions;
+
+namespace SourceGit.Git {
+
+    /// <summary>
+    ///     Git tag.
+    /// </summary>
+    public class Tag {
+        private static readonly Regex FORMAT = new Regex(@"\$(.*)\$(.*)\$(.*)");
+
+        /// <summary>
+        ///     SHA
+        /// </summary>
+        public string SHA { get; set; }
+
+        /// <summary>
+        ///     Display name.
+        /// </summary>
+        public string Name { get; set; }
+
+        /// <summary>
+        ///     Enable filter in log histories.
+        /// </summary>
+        public bool IsFiltered { get; set; }
+
+        /// <summary>
+        ///     Load all tags
+        /// </summary>
+        /// <param name="repo"></param>
+        /// <returns></returns>
+        public static List<Tag> Load(Repository repo) {
+            var args = "for-each-ref --sort=-creatordate --format=\"$%(refname:short)$%(objectname)$%(*objectname)\" refs/tags";
+            var tags = new List<Tag>();
+
+            repo.RunCommand(args, line => {
+                var match = FORMAT.Match(line);
+                if (!match.Success) return;
+
+                var name = match.Groups[1].Value;
+                var commit = match.Groups[2].Value;
+                var dereference = match.Groups[3].Value;
+
+                if (string.IsNullOrEmpty(dereference)) {
+                    tags.Add(new Tag() {
+                        Name = name,
+                        SHA = commit,
+                    });
+                } else {
+                    tags.Add(new Tag() {
+                        Name = name,
+                        SHA = dereference,
+                    });
+                }
+            });
+
+            return tags;
+        }
+
+        /// <summary>
+        ///     Add new tag.
+        /// </summary>
+        /// <param name="repo"></param>
+        /// <param name="name"></param>
+        /// <param name="startPoint"></param>
+        /// <param name="message"></param>
+        public static void Add(Repository repo, string name, string startPoint, string message) {
+            var args = $"tag -a {name} {startPoint} ";
+
+            if (!string.IsNullOrEmpty(message)) {
+                string temp = Path.GetTempFileName();
+                File.WriteAllText(temp, message);
+                args += $"-F \"{temp}\"";
+            } else {
+                args += $"-m {name}";
+            }
+
+            var errs = repo.RunCommand(args, null);
+            if (errs != null) App.RaiseError(errs);
+            else repo.OnCommitsChanged?.Invoke();
+        }
+
+        /// <summary>
+        ///     Delete tag.
+        /// </summary>
+        /// <param name="repo"></param>
+        /// <param name="name"></param>
+        /// <param name="push"></param>
+        public static void Delete(Repository repo, string name, bool push) {
+            var errs = repo.RunCommand($"tag --delete {name}", null);
+            if (errs != null) {
+                App.RaiseError(errs);
+                return; 
+            }
+
+            if (push) {
+                var remotes = repo.Remotes();
+                foreach (var r in remotes) {
+                    repo.RunCommand($"-c credential.helper=manager push --delete {r.Name} refs/tags/{name}", null);
+                }
+            }
+
+            repo.OnCommitsChanged?.Invoke();
+        }
+
+        /// <summary>
+        ///     Push tag to remote.
+        /// </summary>
+        /// <param name="repo"></param>
+        /// <param name="name"></param>
+        /// <param name="remote"></param>
+        public static void Push(Repository repo, string name, string remote) {
+            var errs = repo.RunCommand($"-c credential.helper=manager push {remote} refs/tags/{name}", null);
+            if (errs != null) App.RaiseError(errs);
+        }
+    }
+}