$ git clone -n https://src.fedoraproject.org/rpms/rust-libcryptsetup-rs.git /var/lib/mock/f39-build-1657548-40566/root/chroot_tmpdir/scmroot/rust-libcryptsetup-rs
Cloning into '/var/lib/mock/f39-build-1657548-40566/root/chroot_tmpdir/scmroot/rust-libcryptsetup-rs'...
$ git fetch origin de456cfdaf674f1ac36694ab825209f9108d9c70:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-libcryptsetup-rs
 * [new ref]         de456cfdaf674f1ac36694ab825209f9108d9c70 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at de456cf Update to version 0.9.1