1 files changed, 22 insertions, 10 deletions

diff --git a/installer/mod.ts b/installer/mod.ts
index 5d907bef5..c0a11ac9e 100644
--- a/installer/mod.ts
+++ b/installer/mod.ts
@@ -18,7 +18,8 @@ import { exists } from "../fs/exists.ts";
 const encoder = new TextEncoder();
 const decoder = new TextDecoder("utf-8");
 const isWindows = Deno.platform.os === "win";
-const driverLetterReg = /^[c-z]:/i; // Regular expression to test disk driver letter. eg "C:\\User\username\path\to"
+// Regular expression to test disk driver letter. eg "C:\\User\username\path\to"
+const driverLetterReg = /^[c-z]:/i;
 
 enum Permission {
   Read,
@@ -101,8 +102,10 @@ function checkIfExistsInPath(filePath: string): boolean {
 
   for (const p of paths) {
     const pathInEnv = path.normalize(p);
-    // On Windows paths from env contain drive letter. (eg. C:\Users\username\.deno\bin)
-    // But in the path of Deno, there is no drive letter. (eg \Users\username\.deno\bin)
+    // On Windows paths from env contain drive letter.
+    // (eg. C:\Users\username\.deno\bin)
+    // But in the path of Deno, there is no drive letter.
+    // (eg \Users\username\.deno\bin)
     if (isWindows) {
       if (driverLetterReg.test(pathInEnv)) {
         fileAbsolutePath = HOMEDRIVE + "\\" + fileAbsolutePath;
@@ -118,7 +121,8 @@ function checkIfExistsInPath(filePath: string): boolean {
 }
 
 function getInstallerDir(): string {
-  // In Windows's Powershell $HOME environmental variable maybe null, if so use $HOMEPATH instead.
+  // In Windows's Powershell $HOME environmental variable maybe null
+  // if so use $HOMEPATH instead.
   let { HOME, HOMEPATH } = env();
 
   const HOME_PATH = HOME || HOMEPATH;
@@ -140,7 +144,8 @@ USAGE:
 ARGS:
   EXE_NAME  Name for executable
   SCRIPT_URL  Local or remote URL of script to install
-  [FLAGS...]  List of flags for script, both Deno permission and script specific flag can be used.
+  [FLAGS...]  List of flags for script, both Deno permission and script specific
+              flag can be used.
 `);
 }
 
@@ -148,10 +153,14 @@ async function generateExecutable(
   filePath: string,
   commands: string[]
 ): Promise<void> {
-  // On Windows if user is using Powershell .cmd extension is need to run the installed module.
+  // On Windows if user is using Powershell .cmd extension is need to run the
+  // installed module.
   // Generate batch script to satisfy that.
+  const templateHeader =
+    "This executable is generated by Deno. Please don't modify it unless you " +
+    "know what it means.";
   if (isWindows) {
-    const template = `% This executable is generated by Deno. Please don't modify it unless you know what it means. %
+    const template = `% ${templateHeader} %
 @IF EXIST "%~dp0\deno.exe" (
   "%~dp0\deno.exe" ${commands.slice(1).join(" ")} %*
 ) ELSE (
@@ -167,7 +176,7 @@ async function generateExecutable(
 
   // generate Shell script
   const template = `#/bin/sh
-# This executable is generated by Deno. Please don't modify it unless you know what it means.
+# ${templateHeader}
 basedir=$(dirname "$(echo "$0" | sed -e 's,\\\\,/,g')")
 
 case \`uname\` in
@@ -198,7 +207,9 @@ export async function install(
   const filePath = path.join(installerDir, moduleName);
 
   if (await exists(filePath)) {
-    const msg = `⚠️  ${moduleName} is already installed, do you want to overwrite it?`;
+    const msg =
+      "⚠️  ${moduleName} is already installed, " +
+      "do you want to overwrite it?";
     if (!(await yesNoPrompt(msg))) {
       return;
     }
@@ -245,7 +256,8 @@ export async function install(
   if (!checkIfExistsInPath(installerDir)) {
     console.log("\nℹ️  Add ~/.deno/bin to PATH");
     console.log(
-      "    echo 'export PATH=\"$HOME/.deno/bin:$PATH\"' >> ~/.bashrc # change this to your shell"
+      "    echo 'export PATH=\"$HOME/.deno/bin:$PATH\"' >> ~/.bashrc # change" +
+        " this to your shell"
     );
   }
 }