$ git clone -n https://src.fedoraproject.org/rpms/ghc-QuickCheck.git /var/lib/mock/f38-build-side-42-init-devel-777520-27876/root/chroot_tmpdir/scmroot/ghc-QuickCheck
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-777520-27876/root/chroot_tmpdir/scmroot/ghc-QuickCheck'...
$ git fetch origin b7d80d30fe93629b5f09ee2ed6de604caac54da8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-QuickCheck
 * [new ref]         b7d80d30fe93629b5f09ee2ed6de604caac54da8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b7d80d3 Convert to %autorelease and %autochangelog