$ git clone -n https://src.fedoraproject.org/rpms/ghc-hslua-module-text.git /var/lib/mock/f39-build-1969384-43314/root/chroot_tmpdir/scmroot/ghc-hslua-module-text
Cloning into '/var/lib/mock/f39-build-1969384-43314/root/chroot_tmpdir/scmroot/ghc-hslua-module-text'...
$ git fetch origin c9f9089c33e62f12e309f0f8b7a55e4f4ac5710b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hslua-module-text
 * [new ref]         c9f9089c33e62f12e309f0f8b7a55e4f4ac5710b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c9f9089 subpackage deps moved to main hslua package