From 4f27083d09f0fed6cfb90494f3f2f9961d49a202 Mon Sep 17 00:00:00 2001
From: Andrew Hyndman <ahyndman@dropbox.com>
Date: Wed, 1 Sep 2021 16:32:07 -0700
Subject: [PATCH 1/2] feat: add new "extension.copy" command

---
 package.json     |  5 +++++
 src/extension.ts | 49 ++++++++++++++++++++++++++++++++----------------
 2 files changed, 38 insertions(+), 16 deletions(-)

diff --git a/package.json b/package.json
index 704abf38..e17ac3dd 100644
--- a/package.json
+++ b/package.json
@@ -17,12 +17,17 @@
     "Other"
   ],
   "activationEvents": [
+    "onCommand:extension.copy",
     "onCommand:extension.open",
     "onCommand:extension.search"
   ],
   "main": "./out/extension",
   "contributes": {
     "commands": [
+      {
+        "command": "extension.copy",
+        "title": "Sourcegraph: Copy link"
+      },
       {
         "command": "extension.open",
         "title": "Sourcegraph: Open"
diff --git a/src/extension.ts b/src/extension.ts
index 9c0361a4..8a3b6447 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -23,35 +23,51 @@ const handleCommandErrors = <P extends unknown[], R>(command: (...args: P) => Pr
     }
 }
 
-/**
- * The command implementation for opening a cursor selection on Sourcegraph.
- */
-async function openCommand(): Promise<void> {
+async function getUrlForSelection(): Promise<string> {
     const editor = vscode.window.activeTextEditor
     if (!editor) {
         throw new Error('No active editor')
     }
     const repositoryInfo = await repoInfo(editor.document.uri.fsPath)
     if (!repositoryInfo) {
-        return
+        throw new Error('No active repository')
     }
     const { remoteURL, branch, fileRelative } = repositoryInfo
 
-    // Open in browser.
-    await open(
+    return (
         `${getSourcegraphUrl()}/-/editor` +
-            `?remote_url=${encodeURIComponent(remoteURL)}` +
-            `&branch=${encodeURIComponent(branch)}` +
-            `&file=${encodeURIComponent(fileRelative)}` +
-            `&editor=${encodeURIComponent('VSCode')}` +
-            `&version=${encodeURIComponent(version)}` +
-            `&start_row=${encodeURIComponent(String(editor.selection.start.line))}` +
-            `&start_col=${encodeURIComponent(String(editor.selection.start.character))}` +
-            `&end_row=${encodeURIComponent(String(editor.selection.end.line))}` +
-            `&end_col=${encodeURIComponent(String(editor.selection.end.character))}`
+        `?remote_url=${encodeURIComponent(remoteURL)}` +
+        `&branch=${encodeURIComponent(branch)}` +
+        `&file=${encodeURIComponent(fileRelative)}` +
+        `&editor=${encodeURIComponent('VSCode')}` +
+        `&version=${encodeURIComponent(version)}` +
+        `&start_row=${encodeURIComponent(String(editor.selection.start.line))}` +
+        `&start_col=${encodeURIComponent(String(editor.selection.start.character))}` +
+        `&end_row=${encodeURIComponent(String(editor.selection.end.line))}` +
+        `&end_col=${encodeURIComponent(String(editor.selection.end.character))}`
     )
 }
 
+/**
+ * The command implementation for copying a URL for cursor selection to clipboard.
+ */
+async function copyLinkCommand(): Promise<void> {
+    const url = await getUrlForSelection()
+
+    // Copy URL to system clipboard.
+    return vscode.env.clipboard.writeText(url)
+}
+
+/**
+ * The command implementation for opening a cursor selection on Sourcegraph.
+ */
+async function openCommand(): Promise<void> {
+    const url = await getUrlForSelection()
+
+    // Open in browser.
+    await open(url)
+}
+
 /**
  * The command implementation for searching a cursor selection on Sourcegraph.
  */
@@ -88,6 +104,7 @@ async function searchCommand(): Promise<void> {
  */
 export function activate(context: vscode.ExtensionContext): void {
     // Register our extension commands (see package.json).
+    context.subscriptions.push(vscode.commands.registerCommand('extension.copy', handleCommandErrors(copyLinkCommand)))
     context.subscriptions.push(vscode.commands.registerCommand('extension.open', handleCommandErrors(openCommand)))
     context.subscriptions.push(vscode.commands.registerCommand('extension.search', handleCommandErrors(searchCommand)))
 }

From 3989a4b96d747ccfeaa32994f57dd60a538f8e27 Mon Sep 17 00:00:00 2001
From: Andrew Hyndman <ahyndman@dropbox.com>
Date: Wed, 1 Sep 2021 17:36:05 -0700
Subject: [PATCH 2/2] fix: provide feedback to user on successful clipboard
 copy operation

---
 src/extension.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/extension.ts b/src/extension.ts
index 8a3b6447..116880f8 100644
--- a/src/extension.ts
+++ b/src/extension.ts
@@ -55,7 +55,9 @@ async function copyLinkCommand(): Promise<void> {
     const url = await getUrlForSelection()
 
     // Copy URL to system clipboard.
-    return vscode.env.clipboard.writeText(url)
+    await vscode.env.clipboard.writeText(url)
+    await vscode.window.showInformationMessage('Sourcegraph URL copied to clipboard.')
+    return
 }
 
 /**