$ git clone -n https://src.fedoraproject.org/rpms/ghc-math-functions.git /var/lib/mock/f40-build-776548-128929/root/chroot_tmpdir/scmroot/ghc-math-functions
Cloning into '/var/lib/mock/f40-build-776548-128929/root/chroot_tmpdir/scmroot/ghc-math-functions'...
$ git fetch origin 722afd67b459632f303c82a902974c62a413c5b5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-math-functions
 * [new ref]         722afd67b459632f303c82a902974c62a413c5b5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 722afd6 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild