$ git clone -n https://src.fedoraproject.org/rpms/fastfetch.git /var/lib/mock/epel10.0-build-59145137-6571286/root/chroot_tmpdir/scmroot/fastfetch
Cloning into '/var/lib/mock/epel10.0-build-59145137-6571286/root/chroot_tmpdir/scmroot/fastfetch'...
$ git fetch origin 092a49c597cca8d132bff43e929a0f69b0be911e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/fastfetch
 * [new ref]         092a49c597cca8d132bff43e929a0f69b0be911e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 092a49c update sources