```
/usr/tests/usr.bin/xinstall # kyua test
install_test:copy_self -> passed [0.042s]
install_test:copy_self_comparing -> passed [0.035s]
install_test:copy_self_safe -> passed [0.035s]
install_test:copy_self_safe_comparing -> passed [0.035s]
install_test:copy_to_nonexistent -> passed [0.035s]
install_test:copy_to_nonexistent_backup -> passed [0.035s]
install_test:copy_to_nonexistent_backup_safe -> passed [0.035s]
install_test:copy_to_nonexistent_comparing -> passed [0.035s]
install_test:copy_to_nonexistent_preserving -> passed [0.035s]
install_test:copy_to_nonexistent_safe -> passed [0.035s]
install_test:copy_to_nonexistent_safe_comparing -> passed [0.035s]
install_test:hard_link -> passed [0.033s]
install_test:mkdir_simple -> passed [0.053s]
install_test:overwrite -> passed [0.035s]
install_test:overwrite_backup -> passed [0.037s]
install_test:overwrite_backup_comparing -> passed [0.037s]
install_test:overwrite_backup_safe -> passed [0.037s]
install_test:overwrite_backup_safe_comparing -> passed [0.037s]
install_test:overwrite_comparing -> passed [0.035s]
install_test:overwrite_eq -> passed [0.035s]
install_test:overwrite_eq_comparing -> passed [0.035s]
install_test:overwrite_eq_safe -> passed [0.035s]
install_test:overwrite_eq_safe_comparing -> passed [0.035s]
install_test:overwrite_safe -> passed [0.035s]
install_test:overwrite_safe_comparing -> passed [0.035s]
install_test:strip_changing -> passed [0.045s]
install_test:strip_changing_comparing -> passed [0.045s]
install_test:strip_changing_overwrite -> passed [0.045s]
install_test:strip_changing_overwrite_comparing -> passed [0.045s]
install_test:strip_changing_overwrite_eq -> passed [0.045s]
install_test:strip_changing_overwrite_eq_comparing -> passed [0.045s]
install_test:strip_noop -> passed [0.037s]
install_test:symbolic_link -> passed [0.033s]
install_test:symbolic_link_absolute -> passed [0.035s]
install_test:symbolic_link_relative -> passed [0.035s]
Results file id is usr_tests_usr.bin_xinstall.20160809-174604-325005
Results saved to /root/.kyua/store/results.usr_tests_usr.bin_xinstall.20160809-174604-325005.db
35/35 passed (0 failed)
```
```
~/git/freebsd/usr.bin/xinstall # chflags -R noschg libexec;rsync -avH --fileflags /libexec/ libexec/
~/git/freebsd/usr.bin/xinstall # cp libexec/*.so.1 .
~/git/freebsd/usr.bin/xinstall # ls -alio libexec; install -v -bS -fschg ld-elf.so.1 libexec/; ls -alio libexec
total 312
2753468 drwxr-xr-x 3 root wheel uarch 7 Aug 9 10:39 ./
60219 drwxr-xr-x 5 root wheel uarch 15 Aug 9 10:44 ../
2753630 -rwxr-xr-x 1 root wheel schg 136320 Aug 9 10:39 ld-elf.so.1*
2753623 -r-xr-xr-x 1 root wheel uarch 136320 Jul 21 14:37 ld-elf.so.1.old*
2753472 -r-xr-xr-x 1 root wheel schg 111420 Jul 21 14:39 ld-elf32.so.1*
2753473 -r-xr-xr-x 1 root wheel uarch 111436 Jun 1 12:55 ld-elf32.so.1.old*
2753469 drwxr-xr-x 2 root wheel uarch 8 Jul 21 14:38 resolvconf/
install: libexec/ld-elf.so.1 -> libexec/ld-elf.so.1.old
install: ld-elf.so.1 -> libexec/ld-elf.so.1
total 229
2753468 drwxr-xr-x 3 root wheel uarch 7 Aug 9 10:46 ./
60219 drwxr-xr-x 5 root wheel uarch 15 Aug 9 10:44 ../
2753676 -rwxr-xr-x 1 root wheel schg 136320 Aug 9 10:46 ld-elf.so.1*
2753630 -rwxr-xr-x 1 root wheel uarch 136320 Aug 9 10:39 ld-elf.so.1.old*
2753472 -r-xr-xr-x 1 root wheel schg 111420 Jul 21 14:39 ld-elf32.so.1*
2753473 -r-xr-xr-x 1 root wheel uarch 111436 Jun 1 12:55 ld-elf32.so.1.old*
2753469 drwxr-xr-x 2 root wheel uarch 8 Jul 21 14:38 resolvconf/
~/git/freebsd/usr.bin/xinstall # chflags -R noschg libexec;rsync -avH --fileflags /libexec/ libexec/
~/git/freebsd/usr.bin/xinstall # chflags schg libexec/*.old
~/git/freebsd/usr.bin/xinstall # ls -alio libexec; install -v -bS -fschg ld-elf.so.1 libexec/; ls -alio libexec
total 312
2753468 drwxr-xr-x 3 root wheel uarch 7 Jul 21 14:39 ./
60219 drwxr-xr-x 5 root wheel uarch 15 Aug 9 10:44 ../
2753677 -r-xr-xr-x 1 root wheel schg 136320 Jul 21 14:37 ld-elf.so.1*
2753678 -r-xr-xr-x 1 root wheel schg,uarch 136320 Jul 15 08:54 ld-elf.so.1.old*
2753472 -r-xr-xr-x 1 root wheel schg 111420 Jul 21 14:39 ld-elf32.so.1*
2753473 -r-xr-xr-x 1 root wheel schg,uarch 111436 Jun 1 12:55 ld-elf32.so.1.old*
2753469 drwxr-xr-x 2 root wheel uarch 8 Jul 21 14:38 resolvconf/
install: libexec/ld-elf.so.1 -> libexec/ld-elf.so.1.old
install: unlink: libexec/ld-elf.so.1.old: Operation not permitted
total 312
2753468 drwxr-xr-x 3 root wheel uarch 7 Aug 9 10:47 ./
60219 drwxr-xr-x 5 root wheel uarch 15 Aug 9 10:44 ../
2753677 -r-xr-xr-x 1 root wheel uarch 136320 Jul 21 14:37 ld-elf.so.1*
2753678 -r-xr-xr-x 1 root wheel schg,uarch 136320 Jul 15 08:54 ld-elf.so.1.old*
2753472 -r-xr-xr-x 1 root wheel schg 111420 Jul 21 14:39 ld-elf32.so.1*
2753473 -r-xr-xr-x 1 root wheel schg,uarch 111436 Jun 1 12:55 ld-elf32.so.1.old*
2753469 drwxr-xr-x 2 root wheel uarch 8 Jul 21 14:38 resolvconf/
```
The case of failing to modify the backup losing the schg on the destination is an existing bug I am working on a patch for.