use the gitref as a prerelease header

Signed-off-by: Sebastian Malton <sebastian@malton.name>

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:

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`);