$ git clone -n https://src.fedoraproject.org/rpms/rust-sequoia-sq.git /var/lib/mock/f41-build-811014-147129/root/chroot_tmpdir/scmroot/rust-sequoia-sq
Cloning into '/var/lib/mock/f41-build-811014-147129/root/chroot_tmpdir/scmroot/rust-sequoia-sq'...
$ git fetch origin 13e4821f75149cf1b0eb6fa07e5be6906b112794:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sequoia-sq
 * [new ref]         13e4821f75149cf1b0eb6fa07e5be6906b112794 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 13e4821 Rebuild with Rust 1.78 to fix incomplete debuginfo and backtraces