From 384527aa096b63b838a4468ad3625291d01d11ea Mon Sep 17 00:00:00 2001
From: Mohamed Hegazy <mhegazy@microsoft.com>
Date: Wed, 7 Feb 2018 23:45:37 -0800
Subject: [PATCH] Add `-dev` to version patch number in master (#21741)

---
 scripts/configurePrerelease.ts | 4 ++--
 src/compiler/core.ts           | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/scripts/configurePrerelease.ts b/scripts/configurePrerelease.ts
index a63490ca051..d17ddb963b1 100644
--- a/scripts/configurePrerelease.ts
+++ b/scripts/configurePrerelease.ts
@@ -55,7 +55,7 @@ function updateTsFile(tsFilePath: string, tsFileContents: string, majorMinor: st
     const parsedMajorMinor = majorMinorMatch[1];
     ts.Debug.assert(parsedMajorMinor === majorMinor, "versionMajorMinor does not match.", () => `${tsFilePath}: '${parsedMajorMinor}'; package.json: '${majorMinor}'`);
 
-    const versionRgx = /export const version = `\$\{versionMajorMinor\}\.(\d)`;/;
+    const versionRgx = /export const version = `\$\{versionMajorMinor\}\.(\d)(-dev)?`;/;
     const patchMatch = versionRgx.exec(tsFileContents);
     ts.Debug.assert(patchMatch !== null, "The file seems to no longer have a string matching", () => versionRgx.toString());
     const parsedPatch = patchMatch[1];
@@ -85,4 +85,4 @@ function getPrereleasePatch(tag: string, plainPatch: string): string {
     return `${plainPatch}-${tag}.${timeStr}`;
 }
 
-main();
\ No newline at end of file
+main();
diff --git a/src/compiler/core.ts b/src/compiler/core.ts
index 5ab8251d5f5..33aae7c8ea0 100644
--- a/src/compiler/core.ts
+++ b/src/compiler/core.ts
@@ -6,7 +6,7 @@ namespace ts {
     // If changing the text in this section, be sure to test `configureNightly` too.
     export const versionMajorMinor = "2.8";
     /** The version of the TypeScript compiler release */
-    export const version = `${versionMajorMinor}.0`;
+    export const version = `${versionMajorMinor}.0-dev`;
 }
 
 namespace ts {