$ git clone -n https://src.fedoraproject.org/rpms/ghc-mountpoints.git /var/lib/mock/f40-build-776129-128641/root/chroot_tmpdir/scmroot/ghc-mountpoints
Cloning into '/var/lib/mock/f40-build-776129-128641/root/chroot_tmpdir/scmroot/ghc-mountpoints'...
$ git fetch origin e486eac660e55e9cfbc7a2e38941d9d7454db408:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-mountpoints
 * [new ref]         e486eac660e55e9cfbc7a2e38941d9d7454db408 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e486eac Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild