$ git clone -n https://src.fedoraproject.org/rpms/rust-sequoia-chameleon-gnupg.git /var/lib/mock/f40-build-807211-145177/root/chroot_tmpdir/scmroot/rust-sequoia-chameleon-gnupg
Cloning into '/var/lib/mock/f40-build-807211-145177/root/chroot_tmpdir/scmroot/rust-sequoia-chameleon-gnupg'...
$ git fetch origin e5f501d9751e2701aa7d1df5aad3e87d86960d20:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sequoia-chameleon-gnupg
 * [new ref]         e5f501d9751e2701aa7d1df5aad3e87d86960d20 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e5f501d Update to version 0.7.1; Fixes RHBZ#2267970