$ git clone -n https://src.fedoraproject.org/rpms/ghc-hxt-regex-xmlschema.git /var/lib/mock/f40-build-2279703-55358/root/chroot_tmpdir/scmroot/ghc-hxt-regex-xmlschema
Cloning into '/var/lib/mock/f40-build-2279703-55358/root/chroot_tmpdir/scmroot/ghc-hxt-regex-xmlschema'...
$ git fetch origin 8a6c15e323baa51023b6f48316ca625a502efe78:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hxt-regex-xmlschema
 * [new ref]         8a6c15e323baa51023b6f48316ca625a502efe78 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8a6c15e Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild