$ git clone -n https://src.fedoraproject.org/rpms/multimarkdown.git /var/lib/mock/f40-build-803427-144265/root/chroot_tmpdir/scmroot/multimarkdown
Cloning into '/var/lib/mock/f40-build-803427-144265/root/chroot_tmpdir/scmroot/multimarkdown'...
$ git fetch origin fa6f7d439e23b7e43d5f15498c42d9e67d8d4bf8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/multimarkdown
 * [new ref]         fa6f7d439e23b7e43d5f15498c42d9e67d8d4bf8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fa6f7d4 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild