$ git clone -n https://src.fedoraproject.org/rpms/xdotool.git /var/lib/mock/f45-build-38710-727/root/chroot_tmpdir/scmroot/xdotool
Cloning into '/var/lib/mock/f45-build-38710-727/root/chroot_tmpdir/scmroot/xdotool'...
$ git fetch origin 51070e9338d1c05aab8ad538621c13fd5e9f2341:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/xdotool
 * [new ref]         51070e9338d1c05aab8ad538621c13fd5e9f2341 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 51070e9 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild