$ git clone -n https://src.fedoraproject.org/rpms/lua-markdown.git /var/lib/mock/f45-build-17666-502/root/chroot_tmpdir/scmroot/lua-markdown
Cloning into '/var/lib/mock/f45-build-17666-502/root/chroot_tmpdir/scmroot/lua-markdown'...
$ git fetch origin df045bdc5fd12d992ccd0a9454de29abdee516fc:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-markdown
 * [new ref]         df045bdc5fd12d992ccd0a9454de29abdee516fc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at df045bd Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild