$ git clone -n https://src.fedoraproject.org/rpms/rust-devise.git /var/lib/mock/f41-build-side-1-2982190-35870/root/chroot_tmpdir/scmroot/rust-devise
Cloning into '/var/lib/mock/f41-build-side-1-2982190-35870/root/chroot_tmpdir/scmroot/rust-devise'...
$ git fetch origin cabc832c66ba889f22080b49935a7f4f578b285b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-devise
 * [new ref]         cabc832c66ba889f22080b49935a7f4f578b285b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cabc832 Initial import (fedora#2296168).