$ git clone -n https://src.fedoraproject.org/rpms/rust-sequoia-sq.git /var/lib/mock/f42-build-side-1-3585335-46904/root/chroot_tmpdir/scmroot/rust-sequoia-sq
Cloning into '/var/lib/mock/f42-build-side-1-3585335-46904/root/chroot_tmpdir/scmroot/rust-sequoia-sq'...
$ git fetch origin 7ecf5df7851f9f5e072ea39768b56b50d5e474c5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sequoia-sq
 * [new ref]         7ecf5df7851f9f5e072ea39768b56b50d5e474c5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 7ecf5df Rebuild with sequoia-gpg-agent v0.6.1.