$ git clone -n https://src.fedoraproject.org/rpms/rust-sequoia-ipc.git /var/lib/mock/f40-build-2307985-57264/root/chroot_tmpdir/scmroot/rust-sequoia-ipc
Cloning into '/var/lib/mock/f40-build-2307985-57264/root/chroot_tmpdir/scmroot/rust-sequoia-ipc'...
$ git fetch origin cb39bb4e4b33180a7d1a2a27526f4987fab390f5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sequoia-ipc
 * [new ref]         cb39bb4e4b33180a7d1a2a27526f4987fab390f5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cb39bb4 Update to version 0.31.0; Fixes RHBZ#2246576