$ git clone -n https://src.fedoraproject.org/rpms/telepathy-idle.git /var/lib/mock/f45-build-36905-709/root/chroot_tmpdir/scmroot/telepathy-idle
Cloning into '/var/lib/mock/f45-build-36905-709/root/chroot_tmpdir/scmroot/telepathy-idle'...
$ git fetch origin 8e9f6aa2d43bf00091f0558a24d0d30f5e703225:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/telepathy-idle
 * [new ref]         8e9f6aa2d43bf00091f0558a24d0d30f5e703225 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e9f6aa Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild