(ant) 02/02: FileUtils.tryHardToDelete() - On Windows, mark the file writable if it's read-only, before retrying File.delete()

[jaikiran]

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jaikiran pushed a commit to branch master
in repository https://gitbox.apache.org/repos/asf/ant.git

commit fe3727ee48b5ff89f65de52dea91c1bc757e4705
Author: Jaikiran Pai <jaiki...@apache.org>
AuthorDate: Tue Jul 1 19:28:59 2025 +0530

    FileUtils.tryHardToDelete() - On Windows, mark the file writable if it's 
read-only, before retrying File.delete()
---
 src/main/org/apache/tools/ant/util/FileUtils.java | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/src/main/org/apache/tools/ant/util/FileUtils.java 
b/src/main/org/apache/tools/ant/util/FileUtils.java
index 087ab703d..824820233 100644
--- a/src/main/org/apache/tools/ant/util/FileUtils.java
+++ b/src/main/org/apache/tools/ant/util/FileUtils.java
@@ -1754,6 +1754,11 @@ public class FileUtils {
      */
     public boolean tryHardToDelete(File f, boolean runGC) {
         if (!f.delete()) {
+            // If the file is read-only on Windows, then it cannot be deleted.
+            // We set it to writable and then retry to delete it.
+            if (!f.canWrite() && ON_WINDOWS) {
+                final boolean ignored = f.setWritable(true);
+            }
             if (runGC) {
                 System.gc();
             }