$ git clone -n https://src.fedoraproject.org/rpms/rust-sctk-adwaita.git /var/lib/mock/f41-build-side-1-3134909-39764/root/chroot_tmpdir/scmroot/rust-sctk-adwaita
Cloning into '/var/lib/mock/f41-build-side-1-3134909-39764/root/chroot_tmpdir/scmroot/rust-sctk-adwaita'...
$ git fetch origin be74cb5b4960c828510911f2278ccfa3bb2938bf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sctk-adwaita
 * [new ref]         be74cb5b4960c828510911f2278ccfa3bb2938bf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be74cb5 Update to 0.10.1 (rhbz#2272241)