$ git clone -n https://src.fedoraproject.org/rpms/ghc-cmdargs.git /var/lib/mock/f42-build-877545-180229/root/chroot_tmpdir/scmroot/ghc-cmdargs
Cloning into '/var/lib/mock/f42-build-877545-180229/root/chroot_tmpdir/scmroot/ghc-cmdargs'...
$ git fetch origin 9fb165d1bff41e48409a2c9fda97e7534c5c83c7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-cmdargs
 * [new ref]         9fb165d1bff41e48409a2c9fda97e7534c5c83c7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9fb165d Rebuilt for https://fedoraproject.org/wiki/Fedora_42_Mass_Rebuild