Comment a couple of places where bsdcpio and gcpio 2.9 disagree.

The number of blocks read from ustar archives is just an implementation
difference.  The failure of bsdcpio to emit a block count to stderr
in -p mode is a real bug in bsdcpio.

3 files changed, 10 insertions, 2 deletions

diff --git a/usr.bin/cpio/test/test_basic.c b/usr.bin/cpio/test/test_basic.c
index 7f1fe6d..67381ce 100644
--- a/usr.bin/cpio/test/test_basic.c
+++ b/usr.bin/cpio/test/test_basic.c
@@ -141,7 +141,7 @@ passthrough(const char *target)
 	/*
 	 * Use cpio passthrough mode to copy files to another directory.
 	 */
-	r = systemf("%s -p -W quiet %s <filelist >%s/stdout 2>%s/stderr", 
+	r = systemf("%s -p %s <filelist >%s/stdout 2>%s/stderr",
 	    testprog, target, target, target);
 	failure("Error invoking %s -p", testprog);
 	assertEqualInt(r, 0);
@@ -151,7 +151,10 @@ passthrough(const char *target)
 	/* Verify stderr. */
 	failure("Error invoking %s -p in dir %s",
 	    testprog, target);
-	assertEmptyFile("stderr");
+	/* gcpio 2.9 writes "1 block" to stderr */
+	/* assertFileContents("1 block\n", 8, "stderr"); */
+	/* bsdcpio writes nothing to stderr for passthrough mode */
+	assertFileContents("", 0, "stderr");
 
 	verify_files(target);
 	chdir("..");
@@ -196,6 +199,8 @@ DEFINE_TEST(test_basic)
 	basic_cpio("copy_odc", "--format=odc", "", "1 block\n");
 	basic_cpio("copy_newc", "-H newc", "", "2 blocks\n");
 	basic_cpio("copy_cpio", "-H odc", "", "1 block\n");
+	/* For some reason, gcpio 2.9 writes 7 blocks but only reads 6? */
+	/* bsdcpio writes 7 blocks and reads 7 blocks. */
 	basic_cpio("copy_ustar", "-H ustar", "", "7 blocks\n");
 	/* Copy in one step using -p */
 	passthrough("passthrough");
diff --git a/usr.bin/cpio/test/test_gcpio_compat.c b/usr.bin/cpio/test/test_gcpio_compat.c
index 4c69abb..4b97c82 100644
--- a/usr.bin/cpio/test/test_gcpio_compat.c
+++ b/usr.bin/cpio/test/test_gcpio_compat.c
@@ -48,6 +48,7 @@ unpack_test(const char *from, const char *options, const char *se)
 	assertEqualInt(r, 0);
 
 	/* Verify that nothing went to stderr. */
+	failure("Error invoking %s -i %s < %s", testprog, options, from);
 	assertFileContents(se, strlen(se), "unpack.err");
 
 	/*
@@ -121,6 +122,7 @@ DEFINE_TEST(test_gcpio_compat)
 	unpack_test("test_gcpio_compat_ref.bin", "", "1 block\n");
 	unpack_test("test_gcpio_compat_ref.crc", "", "2 blocks\n");
 	unpack_test("test_gcpio_compat_ref.newc", "", "2 blocks\n");
+	/* gcpio-2.9 only reads 6 blocks here */
 	unpack_test("test_gcpio_compat_ref.ustar", "", "7 blocks\n");
 
 	umask(oldumask);
diff --git a/usr.bin/cpio/test/test_option_a.c b/usr.bin/cpio/test/test_option_a.c
index c063280..fd416bb 100644
--- a/usr.bin/cpio/test/test_option_a.c
+++ b/usr.bin/cpio/test/test_option_a.c
@@ -118,6 +118,7 @@ DEFINE_TEST(test_option_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);
+		/* bsdcpio writes nothing to stderr in -p mode */
 		assertEmptyFile("copy-no-a.err");
 		assertEmptyFile("copy-no-a.out");
 		assertEqualInt(0, stat(files[1].name, &st));