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tar/tar-1.28-T-matchflags.patch

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tar: --files-from and -T interaction Resolves: rhbz#1230762 Version: 1.28-6
2015-06-26 12:14:33 +00:00
From: Sergey Poznyakoff <gray@gnu.org.ua>
Date: Fri, 26 Jun 2015 13:59:35 +0200
Subject: [PATCH 10/10] Bugfix: entries read from the -T file did not get
proper matching_flag.
(upstream commit 163e96a0e619a900eab6de827c7c5749ecc9d3f2)
Resolves: #1230762
diff --git a/src/common.h b/src/common.h
index edf787c..3cc2011 100644
--- a/src/common.h
+++ b/src/common.h
@@ -725,7 +725,7 @@ int uname_to_uid (char const *uname, uid_t *puid);
void name_init (void);
void name_add_name (const char *name, int matching_flags);
void name_add_dir (const char *name);
-void name_add_file (const char *name, int term);
+void name_add_file (const char *name, int term, int matching_flags);
void name_term (void);
const char *name_next (int change_dirs);
void name_gather (void);
diff --git a/src/names.c b/src/names.c
index fe3bcad..7c79a00 100644
--- a/src/names.c
+++ b/src/names.c
@@ -258,6 +258,21 @@ name_elt_alloc (void)
return elt;
}
+static struct name_elt *
+name_elt_alloc_matflags (int matflags)
+{
+ static int prev_flags = 0; /* FIXME: Or EXCLUDE_ANCHORED? */
+ struct name_elt *ep = name_elt_alloc ();
+ if (prev_flags != matflags)
+ {
+ ep->type = NELT_FMASK;
+ ep->v.matching_flags = matflags;
+ prev_flags = matflags;
+ ep = name_elt_alloc ();
+ }
+ return ep;
+}
+
static void
name_list_adjust (void)
{
@@ -276,20 +291,13 @@ name_list_advance (void)
free (elt);
}
-/* Add to name_array the file NAME with fnmatch options MATCHING_FLAGS */
+
+/* Add to name_array the file NAME with fnmatch options MATFLAGS */
void
-name_add_name (const char *name, int matching_flags)
+name_add_name (const char *name, int matflags)
{
- static int prev_flags = 0; /* FIXME: Or EXCLUDE_ANCHORED? */
- struct name_elt *ep = name_elt_alloc ();
+ struct name_elt *ep = name_elt_alloc_matflags (matflags);
- if (prev_flags != matching_flags)
- {
- ep->type = NELT_FMASK;
- ep->v.matching_flags = matching_flags;
- prev_flags = matching_flags;
- ep = name_elt_alloc ();
- }
ep->type = NELT_NAME;
ep->v.name = name;
name_count++;
@@ -305,9 +313,10 @@ name_add_dir (const char *name)
}
void
-name_add_file (const char *name, int term)
+name_add_file (const char *name, int term, int matflags)
{
- struct name_elt *ep = name_elt_alloc ();
+ struct name_elt *ep = name_elt_alloc_matflags (matflags);
+
ep->type = NELT_FILE;
ep->v.file.name = name;
ep->v.file.term = term;
@@ -389,6 +398,15 @@ add_file_id (const char *filename)
file_id_list = p;
return 0;
}
+
+/* Chop trailing slashes. */
+static void
+chopslash (char *str)
+{
+ char *p = str + strlen (str) - 1;
+ while (p > str && ISSLASH (*p))
+ *p-- = '\0';
+}
enum read_file_list_state /* Result of reading file name from the list file */
{
@@ -428,7 +446,7 @@ read_name_from_file (struct name_elt *ent)
if (counter == name_buffer_length)
name_buffer = x2realloc (name_buffer, &name_buffer_length);
name_buffer[counter] = 0;
-
+ chopslash (name_buffer);
return (counter == 0 && c == EOF) ? file_list_end : file_list_success;
}
@@ -518,7 +536,6 @@ copy_name (struct name_elt *ep)
{
const char *source;
size_t source_len;
- char *cursor;
source = ep->v.name;
source_len = strlen (source);
@@ -536,11 +553,7 @@ copy_name (struct name_elt *ep)
name_buffer = xmalloc(name_buffer_length + 2);
}
strcpy (name_buffer, source);
-
- /* Zap trailing slashes. */
- cursor = name_buffer + strlen (name_buffer) - 1;
- while (cursor > name_buffer && ISSLASH (*cursor))
- *cursor-- = '\0';
+ chopslash (name_buffer);
}
@@ -553,7 +566,8 @@ static int matching_flags; /* exclude_fnmatch options */
the request to change to the given directory.
Entries of type NELT_FMASK cause updates of the matching_flags
- value. */
+ value.
+*/
static struct name_elt *
name_next_elt (int change_dirs)
{
diff --git a/src/tar.c b/src/tar.c
index 79b0a10..6fa43d1 100644
--- a/src/tar.c
+++ b/src/tar.c
@@ -1640,7 +1640,7 @@ parse_opt (int key, char *arg, struct argp_state *state)
break;
case 'T':
- name_add_file (arg, filename_terminator);
+ name_add_file (arg, filename_terminator, MAKE_INCL_OPTIONS (args));
/* Indicate we've been given -T option. This is for backward
compatibility only, so that `tar cfT archive /dev/null will
succeed */
diff --git a/tests/Makefile.am b/tests/Makefile.am
index 2a2e1cc..fc06c3b 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -43,6 +43,8 @@ $(srcdir)/package.m4: $(top_srcdir)/configure.ac
TESTSUITE_AT = \
T-cd.at\
+ T-dir00.at\
+ T-dir01.at\
T-empty.at\
T-null.at\
T-rec.at\
diff --git a/tests/T-dir00.at b/tests/T-dir00.at
new file mode 100644
index 0000000..7f89fcf
--- /dev/null
+++ b/tests/T-dir00.at
@@ -0,0 +1,45 @@
+# Process this file with autom4te to create testsuite. -*- Autotest -*-
+#
+# Test suite for GNU tar.
+# Copyright 2014 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/>.
+
+# Tar 1.27 and 1.28 did not extract files under directory memberes listed
+# in the file read by --file-from.
+#
+# Reported-by: Jean-Louis Martineau <martineau@zmanda.com>
+# References: <541AE02C.2050008@zmanda.com>,
+# http://lists.gnu.org/archive/html/bug-tar/2014-09/msg00006.html
+
+AT_SETUP([recursive extraction from --files-from])
+AT_KEYWORDS([files-from extract T-dir T-dir00])
+AT_TAR_CHECK([
+mkdir dir
+genfile -f dir/file1
+genfile -f dir/file2
+tar cf archive dir
+rm -rf dir
+echo dir > list
+tar xfTv archive list
+],
+[0],
+[dir/
+dir/file1
+dir/file2
+])
+AT_CLEANUP
+
diff --git a/tests/T-dir01.at b/tests/T-dir01.at
new file mode 100644
index 0000000..155a373
--- /dev/null
+++ b/tests/T-dir01.at
@@ -0,0 +1,45 @@
+# Process this file with autom4te to create testsuite. -*- Autotest -*-
+#
+# Test suite for GNU tar.
+# Copyright 2014 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/>.
+
+# Tar 1.27 and 1.28 did not remove trailing slashes from file names
+# obtained with the --file-from option.
+#
+# Reported-by: Jean-Louis Martineau <martineau@zmanda.com>
+# References: <541AE02C.2050008@zmanda.com>,
+# http://lists.gnu.org/archive/html/bug-tar/2014-09/msg00006.html
+
+AT_SETUP([trailing slash in --files-from])
+AT_KEYWORDS([files-from extract T-dir T-dir01])
+AT_TAR_CHECK([
+mkdir dir
+genfile -f dir/file1
+genfile -f dir/file2
+tar cf archive dir
+rm -rf dir
+echo dir/ > list
+tar xfTv archive list
+],
+[0],
+[dir/
+dir/file1
+dir/file2
+])
+AT_CLEANUP
+
diff --git a/tests/testsuite.at b/tests/testsuite.at
index f1ce58f..789f16c 100644
--- a/tests/testsuite.at
+++ b/tests/testsuite.at
@@ -205,6 +205,8 @@ m4_include([T-empty.at])
m4_include([T-null.at])
m4_include([T-zfile.at])
m4_include([T-nonl.at])
+m4_include([T-dir00.at])
+m4_include([T-dir01.at])
AT_BANNER([Various options])
m4_include([indexfile.at])
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