add option for writing an archive's entries with a prefix

libraries/libarchive/tests/lib.rs

@@ -35,11 +35,12 @@ fn read_archive_from_stream() {
     builder.support_filter(ReadFilter::All).ok();
     match builder.open_stream(f) {
         Ok(mut reader) => {
-            println!("{:?}", reader.header_position());
+            assert_eq!(reader.header_position(), 0);
             let writer = writer::Disk::new();
-            writer.write(&mut reader).ok();
-            println!("{:?}", reader.header_position());
-            assert_eq!(4, 4)
+            let count = writer.write(&mut reader, Some("/opt/bldr/fucks")).ok().unwrap();
+            assert_eq!(count, 14);
+            assert_eq!(reader.header_position(), 1024);
+            assert_eq!(4, 4);
         },
         Err(e) => {
             println!("{:?}", e);
@@ -56,7 +57,7 @@ fn extracting_from_file() {
     let mut reader = builder.open_file(tar).ok().unwrap();
     println!("{:?}", reader.header_position());
     let writer = writer::Disk::new();
-    writer.write(&mut reader).ok();
+    writer.write(&mut reader, None).ok();
     println!("{:?}", reader.header_position());
     assert_eq!(4, 4)
 }
@@ -73,7 +74,7 @@ fn extracting_an_archive_with_options() {
     opts.add(archive::ExtractOption::Time);
     let writer = writer::Disk::new();
     writer.set_options(&opts).ok();
-    writer.write(&mut reader).ok();
+    writer.write(&mut reader, None).ok();
     println!("{:?}", reader.header_position());
     assert_eq!(4, 4)
 }
@@ -87,9 +88,9 @@ fn extracting_a_reader_twice() {
     let mut reader = builder.open_file(tar).ok().unwrap();
     println!("{:?}", reader.header_position());
     let writer = writer::Disk::new();
-    writer.write(&mut reader).ok();
+    writer.write(&mut reader, None).ok();
     println!("{:?}", reader.header_position());
-    match writer.write(&mut reader) {
+    match writer.write(&mut reader, None) {
         Ok(_) => println!("oops"),
         Err(_) => println!("nice")
     }