$ git clone -n https://src.fedoraproject.org/rpms/stfl.git /var/lib/mock/f45-build-36520-706/root/chroot_tmpdir/scmroot/stfl
Cloning into '/var/lib/mock/f45-build-36520-706/root/chroot_tmpdir/scmroot/stfl'...
$ git fetch origin 09fd75dfad819c6eaad7d70c483df16ac4faf782:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/stfl
 * [new ref]         09fd75dfad819c6eaad7d70c483df16ac4faf782 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 09fd75d Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild