$ git clone -n https://src.fedoraproject.org/rpms/fastfetch.git /var/lib/mock/f42-build-side-1-3586564-46923/root/chroot_tmpdir/scmroot/fastfetch
Cloning into '/var/lib/mock/f42-build-side-1-3586564-46923/root/chroot_tmpdir/scmroot/fastfetch'...
$ git fetch origin 7686f731a633517467351878fa2b3fdf44dae6c9:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fastfetch
 * [new ref]         7686f731a633517467351878fa2b3fdf44dae6c9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7686f73 update to 2.47.0