1 files changed, 54 insertions, 0 deletions
diff --git a/release-notes/7.0/preview/api-diff/preview7/Microsoft.NETCore.App/7.0-preview7_System.Formats.Tar.md b/release-notes/7.0/preview/api-diff/preview7/Microsoft.NETCore.App/7.0-preview7_System.Formats.Tar.md
new file mode 100644
index 00000000..6f083768
--- /dev/null
+++ b/release-notes/7.0/preview/api-diff/preview7/Microsoft.NETCore.App/7.0-preview7_System.Formats.Tar.md
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+# System.Formats.Tar
+
+``` diff
+ namespace System.Formats.Tar {
+     [NullableAttribute((byte)0)]
+     [NullableContextAttribute((byte)1)]
+     public abstract class TarEntry {
+-        public TarFileMode Mode { get; set; }
++        public UnixFileMode Mode { get; set; }
++        public Task ExtractToFileAsync(string destinationFileName, bool overwrite, CancellationToken cancellationToken = default(CancellationToken));
+     }
+     [NullableAttribute((byte)0)]
+     [NullableContextAttribute((byte)1)]
+     public static class TarFile {
++        public static Task CreateFromDirectoryAsync(string sourceDirectoryName, Stream destination, bool includeBaseDirectory, CancellationToken cancellationToken = default(CancellationToken));
++        public static Task CreateFromDirectoryAsync(string sourceDirectoryName, string destinationFileName, bool includeBaseDirectory, CancellationToken cancellationToken = default(CancellationToken));
++        public static Task ExtractToDirectoryAsync(Stream source, string destinationDirectoryName, bool overwriteFiles, CancellationToken cancellationToken = default(CancellationToken));
++        public static Task ExtractToDirectoryAsync(string sourceFileName, string destinationDirectoryName, bool overwriteFiles, CancellationToken cancellationToken = default(CancellationToken));
+     }
+-    [FlagsAttribute]
+-    public enum TarFileMode {
+-        GroupExecute = 8,
+-        GroupRead = 32,
+-        GroupSpecial = 1024,
+-        GroupWrite = 16,
+-        None = 0,
+-        OtherExecute = 1,
+-        OtherRead = 4,
+-        OtherWrite = 2,
+-        StickyBit = 512,
+-        UserExecute = 64,
+-        UserRead = 256,
+-        UserSpecial = 2048,
+-        UserWrite = 128,
+-    }
+-    public sealed class TarReader : IDisposable {
++    public sealed class TarReader : IAsyncDisposable, IDisposable {
++        public ValueTask DisposeAsync();
++        [return: NullableAttribute(new byte[]{ (byte)0, (byte)2})]
++        public ValueTask<TarEntry?> GetNextEntryAsync(bool copyData = false, CancellationToken cancellationToken = default(CancellationToken));
+     }
+-    [NullableAttribute((byte)0)]
+-    [NullableContextAttribute((byte)1)]
+-    public sealed class TarWriter : IDisposable {
++    [NullableAttribute((byte)0)]
++    [NullableContextAttribute((byte)1)]
++    public sealed class TarWriter : IAsyncDisposable, IDisposable {
++        public ValueTask DisposeAsync();
++        public Task WriteEntryAsync(TarEntry entry, CancellationToken cancellationToken = default(CancellationToken));
++        public Task WriteEntryAsync(string fileName, [NullableAttribute((byte)2)] string? entryName, CancellationToken cancellationToken = default(CancellationToken));
+     }
+ }
+```
+