$ git clone -n https://src.fedoraproject.org/rpms/rust-libadwaita.git /var/lib/mock/f42-build-side-1-3581413-46829/root/chroot_tmpdir/scmroot/rust-libadwaita
Cloning into '/var/lib/mock/f42-build-side-1-3581413-46829/root/chroot_tmpdir/scmroot/rust-libadwaita'...
$ git fetch origin 5073e2b8cbed8c24d4428a2f40734ca94010b0a0:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libadwaita
 * [new ref]         5073e2b8cbed8c24d4428a2f40734ca94010b0a0 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5073e2b Update to version 0.7.2; Fixes RHBZ#2353470