os: isWine: be compatible with older versions of wine, too

dkegel-fastly · dkegel-fastly · commit 248e192502d5 · 2022-01-22T18:43:07.000-08:00
Turns out wine 5.x doesn't export WINEUSERNAME.
diff --git a/src/os/path_windows_test.go b/src/os/path_windows_test.go
@@ -54,7 +54,7 @@ func TestFixLongPath(t *testing.T) {
 // isWine returns true if executing on wine (Wine Is Not an Emulator), which
 // is compatible with windows but does not reproduce all its quirks.
 func isWine() bool {
-	return os.Getenv("WINEUSERNAME") != ""
+	return os.Getenv("WINECONFIGDIR") != ""
 }
 
 func TestMkdirAllExtendedLength(t *testing.T) {

Original file line number	Diff line number	Diff line change
`@@ -54,7 +54,7 @@ func TestFixLongPath(t *testing.T) {`
`54`	`54`	`// isWine returns true if executing on wine (Wine Is Not an Emulator), which`
`55`	`55`	`// is compatible with windows but does not reproduce all its quirks.`
`56`	`56`	`func isWine() bool {`
`57`		`- return os.Getenv("WINEUSERNAME") != ""`
	`57`	`+ return os.Getenv("WINECONFIGDIR") != ""`
`58`	`58`	`}`
`59`	`59`
`60`	`60`	`func TestMkdirAllExtendedLength(t *testing.T) {`