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, 154 insertions, 0 deletions

diff --git a/Utilities/cmlibarchive/cpio/test/test_option_a.c b/Utilities/cmlibarchive/cpio/test/test_option_a.c
new file mode 100644
index 0000000000..c39e553c22
--- /dev/null
+++ b/Utilities/cmlibarchive/cpio/test/test_option_a.c
@@ -0,0 +1,154 @@
+/*-
+ * Copyright (c) 2003-2008 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"
+#if defined(_WIN32) && !defined(__CYGWIN__)
+#include <sys/utime.h>
+#else
+#include <utime.h>
+#endif
+__FBSDID("$FreeBSD: src/usr.bin/cpio/test/test_option_a.c,v 1.3 2008/08/24 06:21:00 kientzle Exp $");
+
+static struct {
+    const char *name;
+    time_t atime_sec;
+} files[] = {
+    { "f0", 0 },
+    { "f1", 0 },
+    { "f2", 0 },
+    { "f3", 0 },
+    { "f4", 0 },
+    { "f5", 0 }
+};
+
+/*
+ * Create a bunch of test files and record their atimes.
+ * For the atime preserve/change tests, the files must have
+ * atimes in the past.  We can accomplish this by explicitly invoking
+ * utime() on platforms that support it or by simply sleeping
+ * for a second after creating the files.  (Creating all of the files
+ * at once means we only need to sleep once.)
+ */
+static void
+test_create(void)
+{
+    struct stat st;
+    struct utimbuf times;
+    static const int numfiles = sizeof(files) / sizeof(files[0]);
+    int i;
+
+    for (i = 0; i < numfiles; ++i) {
+        /*
+         * Note: Have to write at least one byte to the file.
+         * cpio doesn't bother reading the file if it's zero length,
+         * so the atime never gets changed in that case, which
+         * makes the tests below rather pointless.
+         */
+        assertMakeFile(files[i].name, 0644, "a");
+
+        /* If utime() isn't supported on your platform, just
+         * #ifdef this section out.  Most of the test below is
+         * still valid. */
+        memset(&times, 0, sizeof(times));
+        times.actime = 1;
+        times.modtime = 3;
+        assertEqualInt(0, utime(files[i].name, &times));
+
+        /* Record whatever atime the file ended up with. */
+        /* If utime() is available, this should be 1, but there's
+         * no harm in being careful. */
+        assertEqualInt(0, stat(files[i].name, &st));
+        files[i].atime_sec = st.st_atime;
+    }
+
+    /* Wait until the atime on the last file is actually in the past. */
+    sleepUntilAfter(files[numfiles - 1].atime_sec);
+}
+
+DEFINE_TEST(test_option_a)
+{
+    struct stat st;
+    int r;
+    char *p;
+
+    /* Create all of the test files. */
+    test_create();
+
+    /* Sanity check; verify that atimes really do get modified. */
+    assert((p = slurpfile(NULL, "f0")) != NULL);
+    free(p);
+    assertEqualInt(0, stat("f0", &st));
+    if (st.st_atime == files[0].atime_sec) {
+        skipping("Cannot verify -a option\n"
+            "      Your system appears to not support atime.");
+    }
+    else
+    {
+        /*
+         * If this disk is mounted noatime, then we can't
+         * verify correct operation without -a.
+         */
+
+        /* Copy the file without -a; should change the atime. */
+        r = systemf("echo %s | %s -pd copy-no-a > copy-no-a.out 2>copy-no-a.err", files[1].name, testprog);
+        assertEqualInt(r, 0);
+        assertTextFileContents("1 block\n", "copy-no-a.err");
+        assertEmptyFile("copy-no-a.out");
+        assertEqualInt(0, stat(files[1].name, &st));
+        failure("Copying file without -a should have changed atime.");
+        assert(st.st_atime != files[1].atime_sec);
+
+        /* Archive the file without -a; should change the atime. */
+        r = systemf("echo %s | %s -o > archive-no-a.out 2>archive-no-a.err", files[2].name, testprog);
+        assertEqualInt(r, 0);
+        assertTextFileContents("1 block\n", "copy-no-a.err");
+        assertEqualInt(0, stat(files[2].name, &st));
+        failure("Archiving file without -a should have changed atime.");
+        assert(st.st_atime != files[2].atime_sec);
+    }
+
+    /*
+     * We can, of course, still verify that the atime is unchanged
+     * when using the -a option.
+     */
+
+    /* Copy the file with -a; should not change the atime. */
+    r = systemf("echo %s | %s -pad copy-a > copy-a.out 2>copy-a.err",
+        files[3].name, testprog);
+    assertEqualInt(r, 0);
+    assertTextFileContents("1 block\n", "copy-a.err");
+    assertEmptyFile("copy-a.out");
+    assertEqualInt(0, stat(files[3].name, &st));
+    failure("Copying file with -a should not have changed atime.");
+    assertEqualInt(st.st_atime, files[3].atime_sec);
+
+    /* Archive the file with -a; should not change the atime. */
+    r = systemf("echo %s | %s -oa > archive-a.out 2>archive-a.err",
+        files[4].name, testprog);
+    assertEqualInt(r, 0);
+    assertTextFileContents("1 block\n", "copy-a.err");
+    assertEqualInt(0, stat(files[4].name, &st));
+    failure("Archiving file with -a should not have changed atime.");
+    assertEqualInt(st.st_atime, files[4].atime_sec);
+}