$ git clone -n https://src.fedoraproject.org/rpms/erlang-webmachine.git /var/lib/mock/f40-build-2047586-48962/root/chroot_tmpdir/scmroot/erlang-webmachine
Cloning into '/var/lib/mock/f40-build-2047586-48962/root/chroot_tmpdir/scmroot/erlang-webmachine'...
$ git fetch origin 3f1c4a7727688d19ebf6a89c3038f665dfd2abe5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/erlang-webmachine
 * [new ref]         3f1c4a7727688d19ebf6a89c3038f665dfd2abe5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3f1c4a7 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild