$ git clone -n https://src.fedoraproject.org/rpms/ghc-tagsoup.git /var/lib/mock/f40-build-776473-128863/root/chroot_tmpdir/scmroot/ghc-tagsoup
Cloning into '/var/lib/mock/f40-build-776473-128863/root/chroot_tmpdir/scmroot/ghc-tagsoup'...
$ git fetch origin 6f0847349de8200b27a8143a61fe39d4e97c3e96:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-tagsoup
 * [new ref]         6f0847349de8200b27a8143a61fe39d4e97c3e96 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 6f08473 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild