$ git clone -n https://src.fedoraproject.org/rpms/libtimidity.git /var/lib/mock/f45-build-17130-496/root/chroot_tmpdir/scmroot/libtimidity
Cloning into '/var/lib/mock/f45-build-17130-496/root/chroot_tmpdir/scmroot/libtimidity'...
$ git fetch origin fa891c0dd808e8ae52afe6ad1d1790902b5de18f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libtimidity
 * [new ref]         fa891c0dd808e8ae52afe6ad1d1790902b5de18f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa891c0 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild