Fix: Cache file error handling on read-only file system. (fixes #11945)…

… (#11946)
eslint · Jul 17, 2019 · cb475fd · cb475fd
1 parent 89412c3
commit cb475fd
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/lib/cli-engine/cli-engine.js b/lib/cli-engine/cli-engine.js
@@ -734,7 +734,10 @@ class CLIEngine {
             try {
                 fs.unlinkSync(cacheFilePath);
             } catch (error) {
-                if (!error || error.code !== "ENOENT") {
+                const errorCode = error && error.code;
+
+                // Ignore errors when no such file exists or file system is read only (and cache file does not exist)
+                if (errorCode !== "ENOENT" && !(errorCode === "EROFS" && !fs.existsSync(cacheFilePath))) {
                     throw error;
                 }
             }