pkg/tool/file: use 0o777 as the default Mkdir permissions

file.Create and file.Append already default to 0o666 rather than 0o644
to rely on the user's umask, but file.Mkdir was inconsistent
in using 0o755 rather than 0o777.

Signed-off-by: Daniel Martí <[email protected]>
Change-Id: I8f11fcc7bbd27bf34f78b41a3242af62f43cac07
Reviewed-on: https://review.gerrithub.io/c/cue-lang/cue/+/1200570
Unity-Result: CUE porcuepine <[email protected]>
Reviewed-by: Matthew Sackman <[email protected]>
TryBot-Result: CUEcueckoo <[email protected]>

Author: mvdan

Diff for: pkg/tool/file/file.cue

@@ -89,7 +89,7 @@ Mkdir: {
 	createParents: bool | *false
 
 	// Directory mode and permission bits (before umask).
-	permissions: int | *0o755
+	permissions: int | *0o777
 }
 
 // MkdirAll creates a directory at the specified path along with any necessary

Diff for: pkg/tool/file/pkg.go

@@ -75,7 +75,7 @@ graph TD
 	path:          "output"
 	createParents: true
 	stdout:        "foo"
-	permissions:   493
+	permissions:   511
 }
 -- out/run-v3/t2/value --
 {
@@ -84,7 +84,7 @@ graph TD
 		path:          "output"
 		createParents: true
 		stdout:        "foo"
-		permissions:   493
+		permissions:   511
 	}
 	$id:         "tool/file.Create"
 	filename:    "output/dns-records.zone"
@@ -107,7 +107,7 @@ diff old new
  		path:          "output"
 @@ -7,6 +6,7 @@
  		stdout:        "foo"
- 		permissions:   493
+ 		permissions:   511
  	}
 +	$id:         "tool/file.Create"
  	filename:    "output/dns-records.zone"
@@ -139,7 +139,7 @@ graph TD
 		path:          "output"
 		createParents: true
 		stdout:        "foo"
-		permissions:   493
+		permissions:   511
 	}
 	filename:    "output/dns-records.zone"
 	permissions: 438