Switch to using libarchive from libtar for cpack and cmake -E tar

This allows for a built in bzip and zip capability, so external tools
will not be needed for these packagers.  The cmake -E tar xf should be
able to handle all compression types now as well.

1 files changed, 81 insertions, 0 deletions

diff --git a/Utilities/cmlibarchive/tar/test/test_help.c b/Utilities/cmlibarchive/tar/test/test_help.c
new file mode 100644
index 0000000..6dcff44
--- /dev/null
+++ b/Utilities/cmlibarchive/tar/test/test_help.c
@@ -0,0 +1,81 @@
+/*-
+ * Copyright (c) 2003-2007 Tim Kientzle
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR(S) BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#include "test.h"
+__FBSDID("$FreeBSD: src/usr.bin/tar/test/test_help.c,v 1.2 2008/05/26 17:10:10 kientzle Exp $");
+
+/*
+ * Test that "--help", "-h", and "-W help" options all work and
+ * generate reasonable output.
+ */
+
+static int
+in_first_line(const char *p, const char *substring)
+{
+    size_t l = strlen(substring);
+
+    while (*p != '\0' && *p != '\n') {
+        if (memcmp(p, substring, l) == 0)
+            return (1);
+        ++p;
+    }
+    return (0);
+}
+
+DEFINE_TEST(test_help)
+{
+    int r;
+    char *p;
+    size_t plen;
+
+    /* Exercise --help option. */
+    r = systemf("%s --help >help.stdout 2>help.stderr", testprog);
+    failure("--help should generate nothing to stderr.");
+    assertEmptyFile("help.stderr");
+    /* Help message should start with name of program. */
+    p = slurpfile(&plen, "help.stdout");
+    failure("Help output should be long enough.");
+    assert(plen >= 6);
+    failure("First line of help output should contain 'bsdtar': %s", p);
+    assert(in_first_line(p, "bsdtar"));
+    /*
+     * TODO: Extend this check to further verify that --help output
+     * looks approximately right.
+     */
+    free(p);
+
+    /* -h option should generate the same output. */
+    r = systemf("%s -h >h.stdout 2>h.stderr", testprog);
+    failure("-h should generate nothing to stderr.");
+    assertEmptyFile("h.stderr");
+    failure("stdout should be same for -h and --help");
+    assertEqualFile("h.stdout", "help.stdout");
+
+    /* -W help should be another synonym. */
+    r = systemf("%s -W help >Whelp.stdout 2>Whelp.stderr", testprog);
+    failure("-W help should generate nothing to stderr.");
+    assertEmptyFile("Whelp.stderr");
+    failure("stdout should be same for -W help and --help");
+    assertEqualFile("Whelp.stdout", "help.stdout");
+}