linux: accept unmask paths as glob values

That is the same configuration used already by Podman.

Signed-off-by: Giuseppe Scrivano <[email protected]>

Author: giuseppe

internal/mkcw/embed/entrypoint_amd64.gz

@@ -1241,9 +1241,16 @@ func setupMaskedPaths(g *generate.Generator, opts *define.CommonBuildOptions) er
 		return err
 	}
 
+maskedPaths:
 	for _, mp := range append(maskedPaths, opts.Masks...) {
-		if slices.Contains(opts.Unmasks, mp) {
-			continue
+		for _, unmask := range opts.Unmasks {
+			match, err := filepath.Match(m1, mask)
+			if err != nil {
+				return err
+			}
+			if match {
+				continue maskedPaths
+			}
 		}
 		g.AddLinuxMaskedPaths(mp)
 	}