Add working-directory support

Fixes #15

.github/workflows/test.yml

@@ -23,4 +23,5 @@ jobs:
     - uses: ./
       with:
         version: v1.26
-        args: --issues-exit-code=0 ./sample/...
+        args: --issues-exit-code=0 ./...
+        working-directory: sample

dist/post_run/index.js

@@ -2352,6 +2352,8 @@ var __importStar = (this && this.__importStar) || function (mod) {
 Object.defineProperty(exports, "__esModule", { value: true });
 const core = __importStar(__webpack_require__(470));
 const child_process_1 = __webpack_require__(129);
+const fs = __importStar(__webpack_require__(747));
+const path = __importStar(__webpack_require__(622));
 const util_1 = __webpack_require__(669);
 const cache_1 = __webpack_require__(722);
 const install_1 = __webpack_require__(655);
@@ -2396,11 +2398,15 @@ function runLint(lintPath) {
         if (args.includes(`-out-format`)) {
             throw new Error(`please, don't change out-format for golangci-lint: it can be broken in a future`);
         }
+        const workingDirectory = path.resolve(core.getInput(`working-directory`));
+        if (!fs.existsSync(workingDirectory) || !fs.lstatSync(workingDirectory).isDirectory()) {
+            throw new Error(`working-directory (${workingDirectory}) was not a path`);
+        }
         const cmd = `${lintPath} run --out-format=github-actions ${args}`.trimRight();
         core.info(`Running [${cmd}] ...`);
         const startedAt = Date.now();
         try {
-            const res = yield execShellCommand(cmd);
+            const res = yield execShellCommand(cmd, { cwd: workingDirectory });
             printOutput(res);
             core.info(`golangci-lint found no issues`);
         }

dist/run/index.js

@@ -2364,6 +2364,8 @@ var __importStar = (this && this.__importStar) || function (mod) {
 Object.defineProperty(exports, "__esModule", { value: true });
 const core = __importStar(__webpack_require__(470));
 const child_process_1 = __webpack_require__(129);
+const fs = __importStar(__webpack_require__(747));
+const path = __importStar(__webpack_require__(622));
 const util_1 = __webpack_require__(669);
 const cache_1 = __webpack_require__(722);
 const install_1 = __webpack_require__(655);
@@ -2408,11 +2410,15 @@ function runLint(lintPath) {
         if (args.includes(`-out-format`)) {
             throw new Error(`please, don't change out-format for golangci-lint: it can be broken in a future`);
         }
+        const workingDirectory = path.resolve(core.getInput(`working-directory`));
+        if (!fs.existsSync(workingDirectory) || !fs.lstatSync(workingDirectory).isDirectory()) {
+            throw new Error(`working-directory (${workingDirectory}) was not a path`);
+        }
         const cmd = `${lintPath} run --out-format=github-actions ${args}`.trimRight();
         core.info(`Running [${cmd}] ...`);
         const startedAt = Date.now();
         try {
-            const res = yield execShellCommand(cmd);
+            const res = yield execShellCommand(cmd, { cwd: workingDirectory });
             printOutput(res);
             core.info(`golangci-lint found no issues`);
         }

src/run.ts

@@ -1,5 +1,7 @@
 import * as core from "@actions/core"
 import { exec } from "child_process"
+import * as fs from "fs"
+import * as path from "path"
 import { promisify } from "util"
 
 import { restoreCache, saveCache } from "./cache"
@@ -55,11 +57,16 @@ async function runLint(lintPath: string): Promise<void> {
     throw new Error(`please, don't change out-format for golangci-lint: it can be broken in a future`)
   }
 
+  const workingDirectory = path.resolve(core.getInput(`working-directory`))
+  if (!fs.existsSync(workingDirectory) || !fs.lstatSync(workingDirectory).isDirectory()) {
+    throw new Error(`working-directory (${workingDirectory}) was not a path`)
+  }
+
   const cmd = `${lintPath} run --out-format=github-actions ${args}`.trimRight()
   core.info(`Running [${cmd}] ...`)
   const startedAt = Date.now()
   try {
-    const res = await execShellCommand(cmd)
+    const res = await execShellCommand(cmd, { cwd: workingDirectory })
     printOutput(res)
     core.info(`golangci-lint found no issues`)
   } catch (exc) {