Bugfix of --sparse option in --diff mode

tar-1.32-bugfix-sparse-diff-mode.patch

@@ -0,0 +1,25 @@
+From 1864e189c710414f2f837ddd6b9cf575a05846cd Mon Sep 17 00:00:00 2001
+From: Pavel Raiskup <praiskup@redhat.com>
+Date: Mon, 13 Jul 2020 08:23:29 +0200
+Subject: [PATCH] Bugfix --sparse --diff mode
+
+---
+ src/sparse.c | 2 +-
+ 1 file changed, 1 insertion(+), 1 deletion(-)
+
+diff --git a/src/sparse.c b/src/sparse.c
+index d642a46..ac78894 100644
+--- a/src/sparse.c
++++ b/src/sparse.c
+@@ -684,7 +684,7 @@ check_data_region (struct tar_sparse_file *file, size_t i)
+ 	}
+       size_left -= bytes_read;
+       mv_size_left (file->stat_info->archive_file_size - file->dumped_size);
+-      if (memcmp (blk->buffer, diff_buffer, rdsize))
++      if (memcmp (blk->buffer, diff_buffer, bytes_read))
+ 	{
+ 	  report_difference (file->stat_info, _("Contents differ"));
+ 	  return false;
+-- 
+2.24.1
+

tar.spec

@@ -5,7 +5,7 @@ Summary: A GNU file archiving program
 Name: tar
 Epoch: 2
 Version: 1.32
-Release: 4%{?dist}
+Release: 5%{?dist}
 License: GPLv3+
 URL: http://www.gnu.org/software/tar/
 
@@ -19,6 +19,7 @@ Patch3:  tar-1.29-wildcards.patch
 Patch4:  tar-1.28-atime-rofs.patch
 Patch9:  tar-1.28-document-exclude-mistakes.patch
 Patch10: tar-1.32-testsuite-fix.patch
+Patch11: tar-1.32-bugfix-sparse-diff-mode.patch
 
 BuildRequires:  gcc
 BuildRequires: autoconf automake texinfo gettext libacl-devel
@@ -113,6 +114,9 @@ make check || (
 
 
 %changelog
+* Mon Jul 13 2020 Ondrej Dubaj <odubaj@redhat.com> - 2:1.32-5
+- Bugfix of --sparse option in --diff mode
+
 * Wed Feb 05 2020 Than Ngo <than@redhat.com> - 2:1.32-4
 - Skip the test if genfile is unable to create