Adds copy sha to clipboard - fixes #28

Rearranges menu structure

src/commands/copyShaToClipboard.ts

@@ -0,0 +1,49 @@
+'use strict';
+import { TextEditor, TextEditorEdit, Uri, window } from 'vscode';
+import { EditorCommand } from './commands';
+import { Commands } from '../constants';
+import GitProvider, { GitUri } from '../gitProvider';
+import { Logger } from '../logger';
+import { copy } from 'copy-paste';
+
+export default class CopyShaToClipboard extends EditorCommand {
+
+    constructor(private git: GitProvider) {
+        super(Commands.CopyShaToClipboard);
+    }
+
+    async execute(editor: TextEditor, edit: TextEditorEdit, uri?: Uri, sha?: string): Promise<any> {
+        if (!(uri instanceof Uri)) {
+            if (!editor.document) return undefined;
+            uri = editor.document.uri;
+        }
+
+        const line = editor.selection.active.line;
+        const gitUri = GitUri.fromUri(uri, this.git);
+
+        try {
+            if (!sha) {
+                const blameline = line - gitUri.offset;
+                if (blameline < 0) return undefined;
+
+                try {
+                    const blame = await this.git.getBlameForLine(gitUri.fsPath, blameline, gitUri.sha, gitUri.repoPath);
+                    if (!blame) return undefined;
+
+                    sha = blame.commit.sha;
+                }
+                catch (ex) {
+                    Logger.error('[GitLens.CopyShaToClipboard]', `getBlameForLine(${blameline})`, ex);
+                    return window.showErrorMessage(`Unable to copy sha. See output channel for more details`);
+                }
+            }
+
+            copy(sha);
+            return undefined;
+        }
+        catch (ex) {
+            Logger.error('GitLens.CopyShaToClipboard', ex);
+            return window.showErrorMessage(`Unable to copy sha. See output channel for more details`);
+        }
+    }
+}