$ git clone -n https://src.fedoraproject.org/rpms/rust-cfonts.git /var/lib/mock/f40-build-2169489-50976/root/chroot_tmpdir/scmroot/rust-cfonts
Cloning into '/var/lib/mock/f40-build-2169489-50976/root/chroot_tmpdir/scmroot/rust-cfonts'...
$ git fetch origin 97f3ad8f64b17aa8592335c21bb338905fea39e2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-cfonts
 * [new ref]         97f3ad8f64b17aa8592335c21bb338905fea39e2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 97f3ad8 Initial import (fedora#2149953).