$ git clone -n https://src.fedoraproject.org/rpms/ghc-hxt.git /var/lib/mock/f40-build-2722306-73094/root/chroot_tmpdir/scmroot/ghc-hxt
Cloning into '/var/lib/mock/f40-build-2722306-73094/root/chroot_tmpdir/scmroot/ghc-hxt'...
$ git fetch origin fd8763187ddbcc0a7f844f463e3b85c074b50c70:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hxt
 * [new ref]         fd8763187ddbcc0a7f844f463e3b85c074b50c70 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at fd87631 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild