$ git clone -n https://src.fedoraproject.org/rpms/rust-sequoia-openpgp.git /var/lib/mock/f41-build-2413608-25463/root/chroot_tmpdir/scmroot/rust-sequoia-openpgp
Cloning into '/var/lib/mock/f41-build-2413608-25463/root/chroot_tmpdir/scmroot/rust-sequoia-openpgp'...
$ git fetch origin dac066689583cb27b9c0cf201b5cd612e458048e:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sequoia-openpgp
 * [new ref]         dac066689583cb27b9c0cf201b5cd612e458048e -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dac0666 Update to version 1.21.2; Fixes RHBZ#2297114