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base/SOURCES/tar-1.26-xattrs-skip-old-fi...

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diff --git a/THANKS b/THANKS
index e87381f..6fa0a9e 100644
--- a/THANKS
+++ b/THANKS
@@ -131,6 +131,7 @@ David Nugent davidn@blaze.net.au
David Shaw david.shaw@alcatel.com.au
David Steiner dsteiner@ispa.uni-osnabrueck.de
David Taylor taylor@think.com
+Dawid dpc@dpc.pw
Dean Gaudet dgaudet@watdragon.uwaterloo.ca
Demizu Noritoshi nori-d@is.aist-nara.ac.jp
Denis Excoffier denis.excoffier@free.fr
diff --git a/src/extract.c b/src/extract.c
index b622a2a..63e4d14 100644
--- a/src/extract.c
+++ b/src/extract.c
@@ -745,13 +745,13 @@ maybe_recoverable (char *file_name, bool regular, bool *interdir_made)
in advance dramatically improves the following performance of reading and
writing a file). If not restoring permissions, invert the INVERT_PERMISSIONS
bits from the file's current permissions. TYPEFLAG specifies the type of the
- file. FILE_CREATED indicates set_xattr has created the file */
+ file. Returns non-zero when error occurs (while un-available xattrs is not
+ an error, rather no-op). Non-zero FILE_CREATED indicates set_xattr has
+ created the file. */
static int
set_xattr (char const *file_name, struct tar_stat_info const *st,
mode_t invert_permissions, char typeflag, int *file_created)
{
- int status = 0;
-
#ifdef HAVE_XATTRS
bool interdir_made = false;
@@ -759,17 +759,32 @@ set_xattr (char const *file_name, struct tar_stat_info const *st,
{
mode_t mode = current_stat_info.stat.st_mode & MODE_RWX & ~ current_umask;
- do
- status = mknodat (chdir_fd, file_name, mode ^ invert_permissions, 0);
- while (status && maybe_recoverable ((char *)file_name, false,
- &interdir_made));
+ for (;;)
+ {
+ if (!mknodat (chdir_fd, file_name, mode ^ invert_permissions, 0))
+ {
+ /* Successfully created file */
+ xattrs_xattrs_set (st, file_name, typeflag, 0);
+ *file_created = 1;
+ return 0;
+ }
- xattrs_xattrs_set (st, file_name, typeflag, 0);
- *file_created = 1;
+ switch (maybe_recoverable ((char *)file_name, false, &interdir_made))
+ {
+ case RECOVER_OK:
+ continue;
+ case RECOVER_NO:
+ skip_member ();
+ open_error (file_name);
+ return 1;
+ case RECOVER_SKIP:
+ return 0;
+ }
+ }
}
#endif
- return(status);
+ return 0;
}
/* Fix the statuses of all directories whose statuses need fixing, and
@@ -1089,11 +1104,7 @@ extract_file (char *file_name, int typeflag)
int file_created = 0;
if (set_xattr (file_name, &current_stat_info, invert_permissions,
typeflag, &file_created))
- {
- skip_member ();
- open_error (file_name);
- return 1;
- }
+ return 1;
while ((fd = open_output_file (file_name, typeflag, mode,
file_created, &current_mode,
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 2a70314..8e1ef8d 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -200,6 +200,7 @@ TESTSUITE_AT = \
xattr04.at\
xattr05.at\
xattr06.at\
+ xattr07.at\
acls01.at\
acls02.at\
acls03.at\
diff --git a/tests/testsuite.at b/tests/testsuite.at
index ebce9cc..3eb0eee 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -361,6 +361,7 @@ m4_include([xattr03.at])
m4_include([xattr04.at])
m4_include([xattr05.at])
m4_include([xattr06.at])
+m4_include([xattr07.at])
m4_include([acls01.at])
m4_include([acls02.at])
diff --git a/tests/xattr07.at b/tests/xattr07.at
new file mode 100644
index 0000000..a834981
--- /dev/null
+++ b/tests/xattr07.at
@@ -0,0 +1,73 @@
+# Process this file with autom4te to create testsuite. -*- Autotest -*-
+#
+# Test suite for GNU tar.
+# Copyright 2011, 2013-2014, 2016 Free Software Foundation, Inc.
+
+# This file is part of GNU tar.
+
+# GNU tar is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+
+# GNU tar is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
+#
+# Test description:
+# Test that --keep-old-files doesn't change xattrs of already existing file.
+# Per report:
+# https://lists.gnu.org/archive/html/bug-tar/2016-10/msg00001.html
+
+AT_SETUP([xattrs: xattrs and --skip-old-files])
+AT_KEYWORDS([xattrs xattr07])
+
+AT_TAR_CHECK([
+AT_XATTRS_PREREQ
+mkdir dir
+genfile --file dir/file
+genfile --file dir/file2
+
+setfattr -n user.test -v OurDirValue dir
+setfattr -n user.test -v OurFileValue dir/file
+setfattr -n user.test -v OurFileValue dir/file2
+
+tar --xattrs -cf archive.tar dir
+
+setfattr -n user.test -v OurDirValue2 dir
+setfattr -n user.test -v OurFileValue2 dir/file
+setfattr -n user.test -v OurFileValue2 dir/file2
+
+# Check that tar continues to file2 too!
+tar --xattrs -xvf archive.tar --skip-old-files
+tar --xattrs -xvf archive.tar --keep-old-files
+
+getfattr -h -d dir | grep -v -e '^#' -e ^$
+getfattr -h -d dir/file | grep -v -e '^#' -e ^$
+getfattr -h -d dir/file2 | grep -v -e '^#' -e ^$
+],
+[0],
+[dir/
+dir/file
+dir/file2
+dir/
+dir/file
+dir/file2
+user.test="OurDirValue2"
+user.test="OurFileValue2"
+user.test="OurFileValue2"
+], [tar: dir: skipping existing file
+tar: dir/file: skipping existing file
+tar: dir/file: skipping existing file
+tar: dir/file2: skipping existing file
+tar: dir/file2: skipping existing file
+tar: dir/file: Cannot open: File exists
+tar: dir/file2: Cannot open: File exists
+tar: Exiting with failure status due to previous errors
+])
+
+AT_CLEANUP
From f2a7560718946e0920b55419f0953953bf824077 Mon Sep 17 00:00:00 2001
From: Pavel Raiskup <praiskup@redhat.com>
Date: Mon, 28 Nov 2016 08:44:42 +0100
Subject: [PATCH] tests: more deterministic xattr07
* tests/xattr07.at: Define order of files within tested archive.
---
tests/xattr07.at | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/tests/xattr07.at b/tests/xattr07.at
index a834981..47d54b8 100644
--- a/tests/xattr07.at
+++ b/tests/xattr07.at
@@ -36,7 +36,7 @@ setfattr -n user.test -v OurDirValue dir
setfattr -n user.test -v OurFileValue dir/file
setfattr -n user.test -v OurFileValue dir/file2
-tar --xattrs -cf archive.tar dir
+tar --xattrs --no-recursion -cf archive.tar dir dir/file dir/file2
setfattr -n user.test -v OurDirValue2 dir
setfattr -n user.test -v OurFileValue2 dir/file
--
2.13.5