$ git clone -n https://src.fedoraproject.org/rpms/rust-jql-runner.git /var/lib/mock/f39-build-1938851-43145/root/chroot_tmpdir/scmroot/rust-jql-runner
Cloning into '/var/lib/mock/f39-build-1938851-43145/root/chroot_tmpdir/scmroot/rust-jql-runner'...
$ git fetch origin dfba3d8be3d550a6adb8538eb10205c3ff0471e3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-jql-runner
 * [new ref]         dfba3d8be3d550a6adb8538eb10205c3ff0471e3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dfba3d8 Update to version 7.0.6