$ git clone -n https://src.fedoraproject.org/rpms/rust-ashpd.git /var/lib/mock/f45-build-40193-769/root/chroot_tmpdir/scmroot/rust-ashpd
Cloning into '/var/lib/mock/f45-build-40193-769/root/chroot_tmpdir/scmroot/rust-ashpd'...
$ git fetch origin d842b150ad97fdf2dd04b1da4bf40142fd9aa0d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-ashpd
 * [new ref]         d842b150ad97fdf2dd04b1da4bf40142fd9aa0d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d842b15 Update to version 0.13.13; Fixes RHBZ#2501972