From 038117ff26d27c68cbba9631c913a26bba6ae8fe Mon Sep 17 00:00:00 2001
From: Sebastian Malton <sebastian@malton.name>
Date: Fri, 28 May 2021 15:32:14 -0400
Subject: [PATCH] use the gitref as a prerelease header

Signed-off-by: Sebastian Malton <sebastian@malton.name>
---
 Makefile                 |  1 +
 build/set_npm_version.ts | 18 +++++++++++++++---
 2 files changed, 16 insertions(+), 3 deletions(-)

diff --git a/Makefile b/Makefile
index 42704ec933..3139b077b4 100644
--- a/Makefile
+++ b/Makefile
@@ -111,6 +111,7 @@ build-extension-types: node_modules src/extensions/npm/extensions/dist
 publish-npm: node_modules build-npm
 	./node_modules/.bin/npm config set '//registry.npmjs.org/:_authToken' "${NPM_TOKEN}"
 	cd src/extensions/npm/extensions && npm publish --access=public --tag=${NPM_RELEASE_TAG:-latest}
+	git restore src/extensions/npm/extensions/package.json
 
 .PHONY: docs
 docs:
diff --git a/build/set_npm_version.ts b/build/set_npm_version.ts
index b7614103a2..696503a6bc 100644
--- a/build/set_npm_version.ts
+++ b/build/set_npm_version.ts
@@ -22,8 +22,20 @@ import * as fs from "fs";
 import * as path from "path";
 import packageInfo from "../src/extensions/npm/extensions/package.json";
 import appInfo from "../package.json";
+import { SemVer } from "semver";
+import { execSync } from "child_process";
 
-const packagePath = path.join(__dirname, "../src/extensions/npm/extensions/package.json");
+const { NPM_RELEASE_TAG = "latest" } = process.env;
+const version = new SemVer(appInfo.version);
 
-packageInfo.version = appInfo.version;
-fs.writeFileSync(packagePath, `${JSON.stringify(packageInfo, null, 2)}\n`);
+if (NPM_RELEASE_TAG !== "latest") {
+  const gitRef = execSync("git rev-parse --short HEAD", {
+    encoding: "utf-8",
+  });
+
+  version.inc("prerelease", gitRef.trim());
+}
+
+packageInfo.version = version.format();
+
+fs.writeFileSync(path.join(__dirname, "../src/extensions/npm/extensions/package.json"), `${JSON.stringify(packageInfo, null, 2)}\n`);