Add git-checkout (#11)

* Add git-checkout * Add create option to Checkout
jzebedee · Mar 15, 2019 · 77767c8 · 77767c8
1 parent ca697bb
commit 77767c8
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diff --git a/src/corgit/Corgit.cs b/src/corgit/Corgit.cs
@@ -142,6 +142,9 @@ public async Task<IEnumerable<GitCommit>> LogAsync(GitArguments.LogOptions optio
         public Task<ExecutionResult> CommitAsync(string message = "", GitArguments.CommitOptions options = default)
             => RunGitAsync(GitArguments.Commit(options), message);
 
+        public Task<ExecutionResult> CheckoutAsync(string treeish, IEnumerable<string> paths = null, GitArguments.CheckoutOptions options = default)
+            => RunGitAsync(GitArguments.Checkout(treeish, paths, options));
+
         public Task<ExecutionResult> AddAsync(IEnumerable<string> paths)
             => RunGitAsync(GitArguments.Add(paths));
 

diff --git a/src/corgit/GitArguments.cs b/src/corgit/GitArguments.cs
@@ -145,6 +145,53 @@ public static IEnumerable<string> Config(string key, string value = null, string
             }
         }
 
+        public struct CheckoutOptions
+        {
+            public readonly bool Track;
+            public readonly bool Create;
+            public readonly string StartPoint;
+
+            public CheckoutOptions(bool track = false, bool create = false, string startPoint = null)
+            {
+                Track = track;
+                Create = create;
+                StartPoint = startPoint;
+            }
+        }
+        public static IEnumerable<string> Checkout(string treeish, IEnumerable<string> paths = null, GitArguments.CheckoutOptions options = default)
+        {
+            if (string.IsNullOrEmpty(treeish))
+                throw new ArgumentNullException(nameof(treeish));
+
+            yield return "checkout";
+            yield return "-q";
+
+            if(options.Create)
+            {
+                yield return "-b";
+                if(!string.IsNullOrEmpty(options.StartPoint))
+                {
+                    yield return options.StartPoint;
+                }
+            }
+
+            if (options.Track)
+            {
+                yield return "--track";
+            }
+
+            yield return treeish;
+
+            if (paths != null)
+            {
+                yield return "--";
+                foreach (var path in paths)
+                {
+                    yield return path;
+                }
+            }
+        }
+
         public static IEnumerable<string> Status()
         {
             yield return "--no-optional-locks";