$ git clone -n https://src.fedoraproject.org/rpms/phpunit9.git /var/lib/mock/f41-build-side-1-2753441-31224/root/chroot_tmpdir/scmroot/phpunit9
Cloning into '/var/lib/mock/f41-build-side-1-2753441-31224/root/chroot_tmpdir/scmroot/phpunit9'...
$ git fetch origin 16b9d47b450f8c2c2f4022646c8f9158ce9eedb5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/phpunit9
 * [new ref]         16b9d47b450f8c2c2f4022646c8f9158ce9eedb5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 16b9d47 v9.6.21