From bfbec53132fb4c4369c9a47a2bd7aee544453438 Mon Sep 17 00:00:00 2001
From: Bryan Clark <clarkbw@github.com>
Date: Wed, 4 Dec 2019 23:54:21 -0500
Subject: [PATCH] log when we overwrite the file

---
 dist/index.js | 17 ++++++++++++++---
 src/auth.ts   | 16 +++++++++++++---
 2 files changed, 27 insertions(+), 6 deletions(-)

diff --git a/dist/index.js b/dist/index.js
index c01c0f3..32058f3 100644
--- a/dist/index.js
+++ b/dist/index.js
@@ -4134,7 +4134,8 @@ function configAuthentication(id, username, password) {
     return __awaiter(this, void 0, void 0, function* () {
         if (id && username && password) {
             console.log(`creating ${exports.SETTINGS_FILE} with server-id: ${id}, username: ${username}, and a password`);
-            const directory = path.join(os.homedir(), exports.M2_DIR);
+            const home = process.env['GITHUB_WORKSPACE'] || os.homedir();
+            const directory = path.join(home, exports.M2_DIR);
             yield io.mkdirP(directory);
             core.debug(`created directory ${directory}`);
             yield write(directory, generate(id, username, password));
@@ -4162,10 +4163,20 @@ function generate(id, username, password) {
 exports.generate = generate;
 function write(directory, settings) {
     return __awaiter(this, void 0, void 0, function* () {
-        const options = { encoding: 'utf-8' };
+        const options = { encoding: 'utf-8', flag: 'wx' }; // 'wx': Like 'w' but fails if path exists
         const location = path.join(directory, exports.SETTINGS_FILE);
         console.log(`writing ${location}`);
-        return fs.writeFileSync(location, settings, options);
+        try {
+            return fs.writeFileSync(location, settings, options);
+        }
+        catch (e) {
+            if (!e.code)
+                throw e;
+            if (e.code == fs.constants.O_EXCL) {
+                console.log(`overwriting existing file ${location}`);
+                return fs.writeFileSync(location, settings, { encoding: 'utf-8' });
+            }
+        }
     });
 }
 
diff --git a/src/auth.ts b/src/auth.ts
index b61b357..875c6b4 100644
--- a/src/auth.ts
+++ b/src/auth.ts
@@ -16,7 +16,8 @@ export async function configAuthentication(
     console.log(
       `creating ${SETTINGS_FILE} with server-id: ${id}, username: ${username}, and a password`
     );
-    const directory: string = path.join(os.homedir(), M2_DIR);
+    const home: string = process.env['GITHUB_WORKSPACE'] || os.homedir();
+    const directory: string = path.join(home, M2_DIR);
     await io.mkdirP(directory);
     core.debug(`created directory ${directory}`);
     await write(directory, generate(id, username, password));
@@ -43,8 +44,17 @@ export function generate(id: string, username: string, password: string) {
 }
 
 async function write(directory: string, settings: string) {
-  const options = {encoding: 'utf-8'};
+  const options = {encoding: 'utf-8', flag: 'wx'}; // 'wx': Like 'w' but fails if path exists
   const location = path.join(directory, SETTINGS_FILE);
   console.log(`writing ${location}`);
-  return fs.writeFileSync(location, settings, options);
+  try {
+    return fs.writeFileSync(location, settings, options);
+  } catch (e) {
+    if (e.code == fs.constants.O_EXCL) {
+      console.log(`overwriting existing file ${location}`);
+      // default flag is 'w'
+      return fs.writeFileSync(location, settings, {encoding: 'utf-8'});
+    }
+    throw e;
+  }
 }