$ git clone -n https://src.fedoraproject.org/rpms/rust-image.git /var/lib/mock/f41-build-side-1-2758683-31543/root/chroot_tmpdir/scmroot/rust-image
Cloning into '/var/lib/mock/f41-build-side-1-2758683-31543/root/chroot_tmpdir/scmroot/rust-image'...
$ git fetch origin f183cbde2cd241181ebe71d1b59d8fcf009fa783:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-image
 * [new ref]         f183cbde2cd241181ebe71d1b59d8fcf009fa783 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f183cbd Update to version 0.25.2; Fixes RHBZ#2268816