$ git clone -n https://src.fedoraproject.org/rpms/gtypist.git /var/lib/mock/f45-build-13227-447/root/chroot_tmpdir/scmroot/gtypist
Cloning into '/var/lib/mock/f45-build-13227-447/root/chroot_tmpdir/scmroot/gtypist'...
$ git fetch origin 1fb001bd0db07af9181cf2ded060e60276006c93:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gtypist
 * [new ref]         1fb001bd0db07af9181cf2ded060e60276006c93 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1fb001b Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild