$ git clone -n https://src.fedoraproject.org/rpms/lua-lpeg.git /var/lib/mock/f45-build-17651-502/root/chroot_tmpdir/scmroot/lua-lpeg
Cloning into '/var/lib/mock/f45-build-17651-502/root/chroot_tmpdir/scmroot/lua-lpeg'...
$ git fetch origin c010f395354de316217d7f20ac8aece1e172af54:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/lua-lpeg
 * [new ref]         c010f395354de316217d7f20ac8aece1e172af54 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c010f39 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild