$ git clone -n https://src.fedoraproject.org/rpms/php-sebastian-complexity3.git /var/lib/mock/f39-build-2279007-55298/root/chroot_tmpdir/scmroot/php-sebastian-complexity3
Cloning into '/var/lib/mock/f39-build-2279007-55298/root/chroot_tmpdir/scmroot/php-sebastian-complexity3'...
$ git fetch origin 5cd71bd9e0f24d80ed6e9daeccc7553729fdd947:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-sebastian-complexity3
 * [new ref]         5cd71bd9e0f24d80ed6e9daeccc7553729fdd947 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cd71bd update to 3.2.0