$ git clone -n https://src.fedoraproject.org/rpms/pyserial.git /var/lib/mock/f40-build-2312369-57577/root/chroot_tmpdir/scmroot/pyserial
Cloning into '/var/lib/mock/f40-build-2312369-57577/root/chroot_tmpdir/scmroot/pyserial'...
$ git fetch origin fc21d2d24240598cd4df1ea3c8103bf9db947fbf:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pyserial
 * [new ref]         fc21d2d24240598cd4df1ea3c8103bf9db947fbf -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fc21d2d Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild