--- 9.0.3	2024-12-12 08:06:13.000000000 +0100
+++ aneksajo	2024-12-16 08:23:15.000000000 +0100
@@ -4,7 +4,9 @@
 package util
 
 import (
+	"io/fs"
 	"os"
+	"path/filepath"
 	"runtime"
 	"syscall"
 	"time"
@@ -41,10 +43,43 @@
 	return err
 }
 
-// RemoveAll removes the named file or (empty) directory with at most 5 attempts.
+// RemoveAll removes the named file or directory with at most 5 attempts.
 func RemoveAll(name string) error {
 	var err error
+
 	for i := 0; i < 5; i++ {
+		// Do chmod -R +w to help ensure the removal succeeds.
+		// In particular, in the git-annex case, this handles
+		// https://git-annex.branchable.com/internals/lockdown/ :
+		//
+		// > (The only bad consequence of this is that rm -rf .git
+		// > doesn't work unless you first run chmod -R +w .git)
+
+		err = filepath.WalkDir(name, func(path string, d fs.DirEntry, err error) error {
+			// NB: this is called WalkDir but it works on a single file too
+			if err == nil {
+				info, err := d.Info()
+				if err != nil {
+					return err
+				}
+
+				// Don't try chmod'ing symlinks (will fail with broken symlinks)
+				if info.Mode()&os.ModeSymlink != os.ModeSymlink {
+					// 0200 == u+w, in octal unix permission notation
+					err = os.Chmod(path, info.Mode()|0o200)
+					if err != nil {
+						return err
+					}
+				}
+			}
+			return nil
+		})
+		if err != nil {
+			// try again
+			<-time.After(100 * time.Millisecond)
+			continue
+		}
+
 		err = os.RemoveAll(name)
 		if err == nil {
 			break