fs: fix error codes for fs.cp

lib/.eslintrc.yaml

@@ -25,6 +25,8 @@ rules:
       message: "Please use `require('internal/errors').hideStackFrames()` instead."
     - selector: "AssignmentExpression:matches([left.name='prepareStackTrace'], [left.property.name='prepareStackTrace'])"
       message: "Use 'overrideStackTrace' from 'lib/internal/errors.js' instead of 'Error.prepareStackTrace'."
+    - selector: "ThrowStatement > NewExpression[callee.name=/^ERR_[A-Z_]+$/] > ObjectExpression:first-child:not(:has([key.name='message']):has([key.name='code']):has([key.name='syscall']))"
+      message: "The context passed into SystemError constructor must have .code, .syscall and .message."
   no-restricted-globals:
     - error
     - name: AbortController

lib/internal/fs/cp/cp-sync.js

@@ -70,6 +70,7 @@ function checkPathsSync(src, dest, opts) {
         path: dest,
         syscall: 'cp',
         errno: EINVAL,
+        code: 'EINVAL',
       });
     }
     if (srcStat.isDirectory() && !destStat.isDirectory()) {
@@ -79,6 +80,7 @@ function checkPathsSync(src, dest, opts) {
         path: dest,
         syscall: 'cp',
         errno: EISDIR,
+        code: 'EISDIR',
       });
     }
     if (!srcStat.isDirectory() && destStat.isDirectory()) {
@@ -88,6 +90,7 @@ function checkPathsSync(src, dest, opts) {
         path: dest,
         syscall: 'cp',
         errno: ENOTDIR,
+        code: 'ENOTDIR',
       });
     }
   }
@@ -98,6 +101,7 @@ function checkPathsSync(src, dest, opts) {
       path: dest,
       syscall: 'cp',
       errno: EINVAL,
+      code: 'EINVAL',
     });
   }
   return { srcStat, destStat };
@@ -135,6 +139,7 @@ function checkParentPathsSync(src, srcStat, dest) {
       path: dest,
       syscall: 'cp',
       errno: EINVAL,
+      code: 'EINVAL',
     });
   }
   return checkParentPathsSync(src, srcStat, destParent);
@@ -170,6 +175,7 @@ function getStats(destStat, src, dest, opts) {
       path: src,
       syscall: 'cp',
       errno: EINVAL,
+      code: 'EISDIR',
     });
   } else if (srcStat.isFile() ||
            srcStat.isCharacterDevice() ||
@@ -183,20 +189,23 @@ function getStats(destStat, src, dest, opts) {
       path: dest,
       syscall: 'cp',
       errno: EINVAL,
+      code: 'EINVAL',
     });
   } else if (srcStat.isFIFO()) {
     throw new ERR_FS_CP_FIFO_PIPE({
       message: `cannot copy a FIFO pipe: ${dest}`,
       path: dest,
       syscall: 'cp',
       errno: EINVAL,
+      code: 'EINVAL',
     });
   }
   throw new ERR_FS_CP_UNKNOWN({
     message: `cannot copy an unknown file type: ${dest}`,
     path: dest,
     syscall: 'cp',
     errno: EINVAL,
+    code: 'EINVAL',
   });
 }
 
@@ -215,6 +224,7 @@ function mayCopyFile(srcStat, src, dest, opts) {
       path: dest,
       syscall: 'cp',
       errno: EEXIST,
+      code: 'EEXIST',
     });
   }
 }
@@ -305,6 +315,7 @@ function onLink(destStat, src, dest) {
       path: dest,
       syscall: 'cp',
       errno: EINVAL,
+      code: 'EINVAL',
     });
   }
   // Prevent copy if src is a subdir of dest since unlinking
@@ -316,6 +327,7 @@ function onLink(destStat, src, dest) {
       path: dest,
       syscall: 'cp',
       errno: EINVAL,
+      code: 'EINVAL',
     });
   }
   return copyLink(resolvedSrc, dest);

lib/internal/fs/cp/cp.js

@@ -82,6 +82,7 @@ async function checkPaths(src, dest, opts) {
         path: dest,
         syscall: 'cp',
         errno: EINVAL,
+        code: 'EINVAL',
       });
     }
     if (srcStat.isDirectory() && !destStat.isDirectory()) {
@@ -91,6 +92,7 @@ async function checkPaths(src, dest, opts) {
         path: dest,
         syscall: 'cp',
         errno: EISDIR,
+        code: 'EISDIR',
       });
     }
     if (!srcStat.isDirectory() && destStat.isDirectory()) {
@@ -100,6 +102,7 @@ async function checkPaths(src, dest, opts) {
         path: dest,
         syscall: 'cp',
         errno: ENOTDIR,
+        code: 'ENOTDIR',
       });
     }
   }
@@ -110,6 +113,7 @@ async function checkPaths(src, dest, opts) {
       path: dest,
       syscall: 'cp',
       errno: EINVAL,
+      code: 'EINVAL',
     });
   }
   return { srcStat, destStat };
@@ -171,6 +175,7 @@ async function checkParentPaths(src, srcStat, dest) {
       path: dest,
       syscall: 'cp',
       errno: EINVAL,
+      code: 'EINVAL',
     });
   }
   return checkParentPaths(src, srcStat, destParent);
@@ -209,7 +214,8 @@ async function getStatsForCopy(destStat, src, dest, opts) {
       message: `${src} is a directory (not copied)`,
       path: src,
       syscall: 'cp',
-      errno: EINVAL,
+      errno: EISDIR,
+      code: 'EISDIR',
     });
   } else if (srcStat.isFile() ||
             srcStat.isCharacterDevice() ||
@@ -223,20 +229,23 @@ async function getStatsForCopy(destStat, src, dest, opts) {
       path: dest,
       syscall: 'cp',
       errno: EINVAL,
+      code: 'EINVAL',
     });
   } else if (srcStat.isFIFO()) {
     throw new ERR_FS_CP_FIFO_PIPE({
       message: `cannot copy a FIFO pipe: ${dest}`,
       path: dest,
       syscall: 'cp',
       errno: EINVAL,
+      code: 'EINVAL',
     });
   }
   throw new ERR_FS_CP_UNKNOWN({
     message: `cannot copy an unknown file type: ${dest}`,
     path: dest,
     syscall: 'cp',
     errno: EINVAL,
+    code: 'EINVAL',
   });
 }
 
@@ -255,6 +264,7 @@ async function mayCopyFile(srcStat, src, dest, opts) {
       path: dest,
       syscall: 'cp',
       errno: EEXIST,
+      code: 'EEXIST',
     });
   }
 }
@@ -355,6 +365,7 @@ async function onLink(destStat, src, dest) {
       path: dest,
       syscall: 'cp',
       errno: EINVAL,
+      code: 'EINVAL',
     });
   }
   // Do not copy if src is a subdir of dest since unlinking
@@ -367,6 +378,7 @@ async function onLink(destStat, src, dest) {
       path: dest,
       syscall: 'cp',
       errno: EINVAL,
+      code: 'EINVAL',
     });
   }
   return copyLink(resolvedSrc, dest);