feat: automatically release when prettier updates (dprint#29)

Author: dsherret

.github/workflows/check_updates.yml

@@ -0,0 +1,35 @@
+name: check_updates
+
+on:
+  workflow_dispatch:
+  schedule:
+    # do this three times a week
+    - cron: "0 7 * * 1,3,5"
+
+jobs:
+  build:
+    name: check updates
+    if: github.repository == 'dprint/dprint-plugin-prettier'
+    runs-on: ubuntu-latest
+    timeout-minutes: 30
+
+    env:
+      CARGO_INCREMENTAL: 0
+      RUST_BACKTRACE: full
+      CFG_RELEASE_CHANNEL: nightly
+
+    steps:
+      - name: Clone repository
+        uses: actions/checkout@v2
+        with:
+          token: ${{ secrets.GH_DPRINTBOT_PAT }}
+
+      - uses: denoland/setup-deno@v1
+      - uses: actions/checkout@v2
+      - uses: dtolnay/rust-toolchain@stable
+
+      - name: Run script
+        run: |
+          git config user.email "[email protected]"
+          git config user.name "dprintbot"
+          deno run -A ./scripts/update.ts

.rustfmt.toml

@@ -0,0 +1,2 @@
+tab_spaces = 2
+edition = "2021"

dprint.json

@@ -1,8 +1,9 @@
 {
   "incremental": true,
   "indentWidth": 2,
-  "rustfmt": {
-    "imports_granularity": "Item"
+  "exec": {
+    "associations": "**/*.rs",
+    "rustfmt": "rustfmt"
   },
   "includes": ["**/*.{ts,tsx,js,jsx,json,md,rs}"],
   "excludes": [
@@ -16,6 +17,6 @@
     "https://plugins.dprint.dev/typescript-0.65.1.wasm",
     "https://plugins.dprint.dev/json-0.7.2.wasm",
     "https://plugins.dprint.dev/markdown-0.12.2.wasm",
-    "https://plugins.dprint.dev/rustfmt-0.6.0.exe-plugin@8b65ed724170bd227e92a2f01d867e452ef7f26e78dc691999ffa37a276df27c"
+    "https://plugins.dprint.dev/exec-0.3.1.json@9351b67ec7a6b58a69201c2834cba38cb3d191080aefc6422fb1320f03c8fc4d"
   ]
 }

rust-toolchain.toml

@@ -1,2 +1,2 @@
 [toolchain]
-channel = "1.60.0"
+channel = "1.62.0"

scripts/update.ts

@@ -0,0 +1,71 @@
+/**
+ * This script checks for any prettier updates and then automatically
+ * publishes a new version of the plugin if so.
+ */
+import * as path from "https://deno.land/[email protected]/path/mod.ts";
+import * as semver from "https://deno.land/x/[email protected]/mod.ts";
+
+const rootDirPath = path.dirname(path.dirname(path.fromFileUrl(import.meta.url)));
+
+console.log("Upgrading prettier...");
+const npmCommand = Deno.build.os === "windows" ? "npm.cmd" : "npm";
+await runCommand(`${npmCommand} install --save prettier`.split(" "), {
+  cwd: path.join(rootDirPath, "./js/node"),
+});
+
+if (!await hasFileChanged("./js/node/package.json")) {
+  console.log("No changes.");
+  Deno.exit(0);
+}
+
+console.log("Found changes. Bumping version...");
+const newVersion = await bumpMinorVersion();
+
+// run the tests
+console.log("Running tests...");
+await runCommand("cargo test".split(" "));
+
+// release
+console.log(`Committing and publishing ${newVersion}...`);
+await runCommand("git add .".split(" "));
+await runCommand(`git commit -m ${newVersion}`.split(" "));
+await runCommand(`git push origin main`.split(" "));
+await runCommand(`git tag ${newVersion}`.split(" "));
+await runCommand(`git push origin ${newVersion}`.split(" "));
+
+async function bumpMinorVersion() {
+  const projectFile = path.join(rootDirPath, "./Cargo.toml");
+  const text = await Deno.readTextFile(projectFile);
+  const versionRegex = /^version = "([0-9]+\.[0-9]+\.[0-9]+)"/m;
+  const currentVersion = text.match(versionRegex)?.[1];
+  if (currentVersion == null) {
+    throw new Error("Could not find version.");
+  }
+  const newVersion = semver.parse(currentVersion)!.inc("minor").toString();
+  const newText = text.replace(versionRegex, `version = "${newVersion}"`);
+  await Deno.writeTextFile(projectFile, newText);
+  return newVersion;
+}
+
+async function hasFileChanged(file: string) {
+  try {
+    await runCommand(["git", "diff", "--exit-code", file]);
+    return false;
+  } catch {
+    return true;
+  }
+}
+
+async function runCommand(cmd: string[], opts?: {
+  cwd?: string;
+}) {
+  const p = Deno.run({
+    cmd,
+    cwd: opts?.cwd ?? rootDirPath,
+  });
+  const status = await p.status();
+  p.close();
+  if (status.code !== 0) {
+    throw new Error("Failed.");
+  }
+}