$ git clone -n https://src.fedoraproject.org/rpms/php-pear-CAS.git /var/lib/mock/f45-build-27967-627/root/chroot_tmpdir/scmroot/php-pear-CAS
Cloning into '/var/lib/mock/f45-build-27967-627/root/chroot_tmpdir/scmroot/php-pear-CAS'...
$ git fetch origin dc3a74c2dbcf1cde32e5b2741fbd69c89910063b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/php-pear-CAS
 * [new ref]         dc3a74c2dbcf1cde32e5b2741fbd69c89910063b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc3a74c Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild