mbien commented on code in PR #6975:
URL: https://github.com/apache/netbeans/pull/6975#discussion_r1460809935
##########
java/java.file.launcher/src/org/netbeans/modules/java/file/launcher/SingleSourceFileUtil.java:
##########
@@ -82,10 +82,18 @@ public static boolean isSingleSourceFile(FileObject fObj) {
}
public static boolean isSupportedFile(FileObject file) {
+ if (file == null) {
+ return false;
+ }
try {
- return !MultiSourceRootProvider.DISABLE_MULTI_SOURCE_ROOT &&
- FileOwnerQuery.getOwner(file) == null &&
- !file.getFileSystem().isReadOnly();
+ FileObject dir = file.getParent();
+ File dirFile = dir != null ? FileUtil.toFile(dir) : null;
+ return !MultiSourceRootProvider.DISABLE_MULTI_SOURCE_ROOT
+ && FileOwnerQuery.getOwner(file) == null
+ && !file.getFileSystem().isReadOnly()
+ && !(dirFile != null
+ && dirFile.getName().startsWith("vcs-")
+ &&
dirFile.getAbsolutePath().startsWith(System.getProperty("java.io.tmpdir")));
Review Comment:
nitpick: this growing chain of seemingly unrelated conditions might look
better when torn apart into multiple checks:
```java
if (file == null || MultiSourceRootProvider.DISABLE_MULTI_SOURCE_ROOT) {
return false;
}
try {
if (fileConditionsFail)
return false,
}
File dirFile = ...
if (parentConditionsFail) {
return false;
}
return true;
```
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