$ git clone -n https://src.fedoraproject.org/rpms/gftp.git /var/lib/mock/f45-build-9871-409/root/chroot_tmpdir/scmroot/gftp
Cloning into '/var/lib/mock/f45-build-9871-409/root/chroot_tmpdir/scmroot/gftp'...
$ git fetch origin 11b5247cded7377c6f18e141e67f784c819ac6f9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gftp
 * [new ref]         11b5247cded7377c6f18e141e67f784c819ac6f9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 11b5247 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild