$ git clone -n https://src.fedoraproject.org/rpms/rust-remove_dir_all.git /var/lib/mock/f39-build-2131942-50802/root/chroot_tmpdir/scmroot/rust-remove_dir_all
Cloning into '/var/lib/mock/f39-build-2131942-50802/root/chroot_tmpdir/scmroot/rust-remove_dir_all'...
$ git fetch origin 8e58a6d18cc6cb1f992eb5507f3a5e038939c220:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-remove_dir_all
 * [new ref]         8e58a6d18cc6cb1f992eb5507f3a5e038939c220 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8e58a6d Update to version 0.8.2; Fixes RHBZ#2173156