$ git clone -n https://src.fedoraproject.org/rpms/rust-gix-date.git /var/lib/mock/f38-build-side-42-init-devel-1089993-30049/root/chroot_tmpdir/scmroot/rust-gix-date
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1089993-30049/root/chroot_tmpdir/scmroot/rust-gix-date'...
$ git fetch origin f3897a9e5f4707559fec37932fbf4fc61c82ec70:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-gix-date
 * [new ref]         f3897a9e5f4707559fec37932fbf4fc61c82ec70 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f3897a9 Update to version 0.7.2 (rhbz#2229612)