Closes #600 - adds (un)stage directory support

package.json

@@ -2258,6 +2258,15 @@
                 "category": "GitLens"
             },
             {
+                "command": "gitlens.views.stageDirectory",
+                "title": "Stage All Changes",
+                "category": "GitLens",
+                "icon": {
+                    "dark": "images/dark/icon-add.svg",
+                    "light": "images/light/icon-add.svg"
+                }
+            },
+            {
                 "command": "gitlens.views.stageFile",
                 "title": "Stage Changes",
                 "category": "GitLens",
@@ -2267,6 +2276,15 @@
                 }
             },
             {
+                "command": "gitlens.views.unstageDirectory",
+                "title": "Unstage All Changes",
+                "category": "GitLens",
+                "icon": {
+                    "dark": "images/dark/icon-minus.svg",
+                    "light": "images/light/icon-minus.svg"
+                }
+            },
+            {
                 "command": "gitlens.views.unstageFile",
                 "title": "Unstage Changes",
                 "category": "GitLens",
@@ -3052,10 +3070,18 @@
                     "when": "false"
                 },
                 {
+                    "command": "gitlens.views.stageDirectory",
+                    "when": "false"
+                },
+                {
                     "command": "gitlens.views.stageFile",
                     "when": "false"
                 },
                 {
+                    "command": "gitlens.views.unstageDirectory",
+                    "when": "false"
+                },
+                {
                     "command": "gitlens.views.unstageFile",
                     "when": "false"
                 },
@@ -4432,6 +4458,16 @@
                     "group": "8_gitlens@1"
                 },
                 {
+                    "command": "gitlens.views.stageDirectory",
+                    "when": "view =~ /^gitlens\\.views\\./ && viewItem =~ /gitlens:folder\\b/",
+                    "group": "7_gitlens@1"
+                },
+                {
+                    "command": "gitlens.views.unstageDirectory",
+                    "when": "view =~ /^gitlens\\.views\\./ && viewItem =~ /gitlens:folder\\b/",
+                    "group": "7_gitlens@2"
+                },
+                {
                     "command": "gitlens.views.refreshNode",
                     "when": "view =~ /^gitlens\\.views\\./ && viewItem =~ /gitlens:(?!file\\b)/",
                     "group": "9_gitlens@1"

src/git/gitService.ts

@@ -2132,6 +2132,16 @@ export class GitService implements Disposable {
         );
     }
 
+    stageDirectory(repoPath: string, directory: string): Promise<string>;
+    stageDirectory(repoPath: string, uri: Uri): Promise<string>;
+    @log()
+    stageDirectory(repoPath: string, directoryOrUri: string | Uri): Promise<string> {
+        return Git.add(
+            repoPath,
+            typeof directoryOrUri === 'string' ? directoryOrUri : Git.splitPath(directoryOrUri.fsPath, repoPath)[0]
+        );
+    }
+
     unStageFile(repoPath: string, fileName: string): Promise<string>;
     unStageFile(repoPath: string, uri: Uri): Promise<string>;
     @log()
@@ -2142,6 +2152,16 @@ export class GitService implements Disposable {
         );
     }
 
+    unStageDirectory(repoPath: string, directory: string): Promise<string>;
+    unStageDirectory(repoPath: string, uri: Uri): Promise<string>;
+    @log()
+    unStageDirectory(repoPath: string, directoryOrUri: string | Uri): Promise<string> {
+        return Git.reset(
+            repoPath,
+            typeof directoryOrUri === 'string' ? directoryOrUri : Git.splitPath(directoryOrUri.fsPath, repoPath)[0]
+        );
+    }
+
     @log()
     stashApply(repoPath: string, stashName: string, deleteAfter: boolean = false) {
         return Git.stash_apply(repoPath, stashName, deleteAfter);

src/views/nodes.ts

@@ -8,6 +8,7 @@ export * from './nodes/commitFileNode';
 export * from './nodes/commitNode';
 export * from './nodes/fileHistoryNode';
 export * from './nodes/fileHistoryTrackerNode';
+export * from './nodes/folderNode';
 export * from './nodes/lineHistoryNode';
 export * from './nodes/lineHistoryTrackerNode';
 export * from './nodes/remoteNode';

src/views/viewCommands.ts

@@ -23,6 +23,7 @@ import {
     canDismissNode,
     CommitFileNode,
     CommitNode,
+    FolderNode,
     RemoteNode,
     RepositoryNode,
     ResultsFileNode,
@@ -98,7 +99,9 @@ export class ViewCommands implements Disposable {
         commands.registerCommand('gitlens.views.checkout', this.checkout, this);
 
         commands.registerCommand('gitlens.views.stageFile', this.stageFile, this);
+        commands.registerCommand('gitlens.views.stageDirectory', this.stageDirectory, this);
         commands.registerCommand('gitlens.views.unstageFile', this.unstageFile, this);
+        commands.registerCommand('gitlens.views.unstageDirectory', this.unstageDirectory, this);
 
         commands.registerCommand('gitlens.views.compareAncestryWithWorking', this.compareAncestryWithWorking, this);
         commands.registerCommand('gitlens.views.compareWithHead', this.compareWithHead, this);
@@ -464,12 +467,24 @@ export class ViewCommands implements Disposable {
         return;
     }
 
+    private async stageDirectory(node: FolderNode) {
+        if (!(node instanceof FolderNode) || !node.relativePath) return;
+
+        void (await Container.git.stageDirectory(node.repoPath, node.relativePath));
+    }
+
     private async stageFile(node: CommitFileNode | StatusFileNode) {
         if (!(node instanceof CommitFileNode) && !(node instanceof StatusFileNode)) return;
 
         void (await Container.git.stageFile(node.repoPath, node.file.fileName));
     }
 
+    private async unstageDirectory(node: FolderNode) {
+        if (!(node instanceof FolderNode) || !node.relativePath) return;
+
+        void (await Container.git.unStageDirectory(node.repoPath, node.relativePath));
+    }
+
     private async unstageFile(node: CommitFileNode | StatusFileNode) {
         if (!(node instanceof CommitFileNode) && !(node instanceof StatusFileNode)) return;