$ git clone -n https://src.fedoraproject.org/rpms/ghc-half.git /var/lib/mock/f40-build-776049-128585/root/chroot_tmpdir/scmroot/ghc-half
Cloning into '/var/lib/mock/f40-build-776049-128585/root/chroot_tmpdir/scmroot/ghc-half'...
$ git fetch origin f4c9584fd83bf5e51d35244c75a6f759e648f001:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-half
 * [new ref]         f4c9584fd83bf5e51d35244c75a6f759e648f001 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f4c9584 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild