Merge branch 'main' into dependabot/npm_and_yarn/json5-1.0.2

README.md

@@ -17,7 +17,7 @@ By using the native scalafmt image, this action typically completes in two to th
 - uses: jrouly/scalafmt-native-action@v2
   with:
     # Optional: Which version of scalafmt-native to use.
-    # Default: 3.5.8
+    # Default: read from .scalafmt.conf, otherwise '3.5.8'
     version: '3.5.8'
 
     # Optional: Arguments to be passed to scalafmt-native.
@@ -47,3 +47,9 @@ Inspired by the design and usage patterns of [olafurpg/setup-scala](https://gith
 Similar to [openlawteam/scalafmt-ci](https://github.com/openlawteam/scalafmt-ci) but does not pin the version of the action to a specific version of scalafmt.
 
 Similar to [AvaPL/scalafmt-native-formatter](https://github.com/AvaPL/scalafmt-native-formatter) but leverages the GitHub actions TypeScript SDK for logging and testing.
+
+## Releasing
+
+Merging a branch to `main` triggers the release job from the CI workflow.
+This job builds a release candidate and force pushes a commit to the `release` branch.
+Once ready to be released, a GitHub release can be created off that branch.

action.yml

@@ -4,7 +4,6 @@ author: jrouly
 inputs:
   version:
     description: The scalafmt-native version to run.
-    default: 3.5.8
     required: false
   arguments:
     description: Arguments to pass to scalafmt-native.

package.json

@@ -30,7 +30,7 @@
   "author": "jrouly",
   "license": "Apache-2.0",
   "dependencies": {
-    "@actions/core": "^1.9.0"
+    "@actions/core": "^1.10.0"
   },
   "devDependencies": {
     "@types/jest": "^27.0.1",

src/main.ts

@@ -3,7 +3,7 @@ import {scalafmt} from './scalafmt'
 
 async function run(): Promise<void> {
   try {
-    const version: string = core.getInput('version', {required: true})
+    const version: string = core.getInput('version')
     const args: string = core.getInput('arguments', {required: true})
 
     await scalafmt(version, args)

src/scalafmt.ts

@@ -1,4 +1,5 @@
 import * as core from '@actions/core'
+import * as fs from 'fs'
 import * as os from 'os'
 import * as path from 'path'
 import * as process from 'child_process'
@@ -10,8 +11,21 @@ const homedir = os.homedir()
 const bin = path.join(homedir, 'bin')
 const scalafmtPath = path.join(bin, 'scalafmt-native')
 
+const defaultVersion = '3.5.8'
+
 export async function scalafmt(version: string, args: string): Promise<string> {
   await setup()
+  if (!version && fs.existsSync('./.scalafmt.conf')) {
+    // If version is unspecified, read it from .scalafmt.conf (if present).
+    const conf = fs.readFileSync('./.scalafmt.conf', 'utf8')
+    const v = conf.match('version\\s+=\\s+(\\S+)')
+    if (v && v.length >= 2) {
+      version = v[1]
+    }
+  }
+  if (!version) {
+    version = defaultVersion
+  }
   await install(version)
   return await execute(args)
 }