$ git clone -n https://src.fedoraproject.org/rpms/rust-termbg.git /var/lib/mock/f39-build-2260721-54414/root/chroot_tmpdir/scmroot/rust-termbg
Cloning into '/var/lib/mock/f39-build-2260721-54414/root/chroot_tmpdir/scmroot/rust-termbg'...
$ git fetch origin 414d195cad68e4b0f6483b0fb9d2b6df9fb2c660:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-termbg
 * [new ref]         414d195cad68e4b0f6483b0fb9d2b6df9fb2c660 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 414d195 Update to version 0.4.4; Fixes RHBZ#2253098