$ git clone -n https://src.fedoraproject.org/rpms/libkcompactdisc.git /var/lib/mock/f45-build-16407-486/root/chroot_tmpdir/scmroot/libkcompactdisc
Cloning into '/var/lib/mock/f45-build-16407-486/root/chroot_tmpdir/scmroot/libkcompactdisc'...
$ git fetch origin d33de74f99ffa931dad1452f8d87856b5b592b9d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libkcompactdisc
 * [new ref]         d33de74f99ffa931dad1452f8d87856b5b592b9d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d33de74 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild