Allow init `--from-code` (#3621)

ext/vscode/package-lock.json

@@ -2352,9 +2352,9 @@
             "dev": true
         },
         "node_modules/follow-redirects": {
-            "version": "1.15.4",
-            "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.4.tgz",
-            "integrity": "sha512-Cr4D/5wlrb0z9dgERpUL3LrmPKVDsETIJhaCMeDfuFYcqa5bldGV6wBsAN6X/vxlXQtFBMrXdXxdL8CbDTGniw==",
+            "version": "1.15.6",
+            "resolved": "https://registry.npmjs.org/follow-redirects/-/follow-redirects-1.15.6.tgz",
+            "integrity": "sha512-wWN62YITEaOpSK584EZXJafH1AGpO8RVgElfkuXbTOrPX4fIfOyEpW/CsiNd8JdYrAoOvafRTOEnvsO++qCqFA==",
             "funding": [
                 {
                     "type": "individual",

ext/vscode/src/commands/cmdUtil.ts

@@ -81,9 +81,10 @@ export function getAzDevTerminalTitle(): string {
     return vscode.l10n.t('az dev');
 }
 
+const UseExistingSource: string = 'azure-dev:/source/existing';
 const UseCustomTemplate: string = 'azure-dev:/template/custom';
 
-export async function selectApplicationTemplate(context: IActionContext): Promise<string> {
+export async function selectApplicationTemplate(context: IActionContext): Promise<{ templateUrl: string, useExistingSource: false } | { templateUrl: undefined, useExistingSource: true }> {
     let templateUrl: string = '';
 
     const azureCli = await createAzureDevCli(context);
@@ -95,13 +96,17 @@ export async function selectApplicationTemplate(context: IActionContext): Promis
     const templates = JSON.parse(result.stdout) as { name: string, description: string, repositoryPath: string }[];
     const choices = templates.map(t => { return { label: t.name, detail: t.description, data: t.repositoryPath } as IAzureQuickPickItem<string>; });
     choices.unshift({ label: vscode.l10n.t('Use another template...'), data: '', id: UseCustomTemplate });
+    choices.unshift({ label: vscode.l10n.t('Use existing source code...'), data: '', id: UseExistingSource });
 
     const template = await context.ui.showQuickPick(choices, {
         canPickMany: false,
         title: vscode.l10n.t('Select application template')
     });
 
-    if (template.id === UseCustomTemplate) {
+    if (template.id === UseExistingSource) {
+        context.telemetry.properties.useExistingSource = 'true';
+        return { templateUrl: undefined, useExistingSource: true };
+    } else if (template.id === UseCustomTemplate) {
         templateUrl = await context.ui.showInputBox({
             prompt: vscode.l10n.t("Enter application template repository name ('{org or user}/{repo}')")
         });
@@ -110,7 +115,7 @@ export async function selectApplicationTemplate(context: IActionContext): Promis
     }
 
     context.telemetry.properties.templateUrlHash = sha256(templateUrl.toLowerCase());
-    return templateUrl;
+    return { templateUrl: templateUrl, useExistingSource: false };
 }
 
 export type EnvironmentInfo = {

ext/vscode/src/commands/init.ts

@@ -20,12 +20,24 @@ export async function init(context: IActionContext, selectedFile?: vscode.Uri, a
         folder = await quickPickWorkspaceFolder(context, vscode.l10n.t("To run '{0}' command you must first open a folder or workspace in VS Code", 'init'));
     }
 
-    const templateUrl = options?.templateUrl ?? await selectApplicationTemplate(context);
+    let templateUrl: string | undefined = options?.templateUrl;
+    let useExistingSource: boolean = false;
+    if (!templateUrl) {
+        const selection = await selectApplicationTemplate(context);
+        templateUrl = selection.templateUrl;
+        useExistingSource = selection.useExistingSource;
+    }
 
     const azureCli = await createAzureDevCli(context);
     const command = azureCli.commandBuilder
-        .withArg('init')
-        .withNamedArg('-t', {value: templateUrl, quoting: vscode.ShellQuoting.Strong});
+        .withArg('init');
+
+    if (useExistingSource) {
+        command.withArg('--from-code');
+    } else {
+        command.withNamedArg('-t', {value: templateUrl!, quoting: vscode.ShellQuoting.Strong});
+    }
+
     const workspacePath = folder?.uri;
 
     if (options?.environmentName) {

ext/vscode/src/utils/azureDevCli.ts

@@ -53,7 +53,7 @@ export async function createAzureDevCli(context: IActionContext): Promise<AzureD
 export function scheduleAzdVersionCheck(): void {
     const oneSecond = 1 * 1000;
     // eslint-disable-next-line @typescript-eslint/no-non-null-assertion
-    const minimumSupportedVersion = semver.coerce('0.8.0')!;
+    const minimumSupportedVersion = semver.coerce('1.8.0')!;
 
     setTimeout(async () => {
         const versionResult = await getAzdVersion();