$ git clone -n https://src.fedoraproject.org/rpms/rust-libcryptsetup-rs-sys.git /var/lib/mock/f42-build-side-1-3510385-46030/root/chroot_tmpdir/scmroot/rust-libcryptsetup-rs-sys
Cloning into '/var/lib/mock/f42-build-side-1-3510385-46030/root/chroot_tmpdir/scmroot/rust-libcryptsetup-rs-sys'...
$ git fetch origin e2f23ed3dc27a05a50352d58176fb08de1dcc724:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libcryptsetup-rs-sys
 * [new ref]         e2f23ed3dc27a05a50352d58176fb08de1dcc724 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e2f23ed Update to version 0.4.1