$ git clone -n https://src.fedoraproject.org/rpms/ghc-hint.git /var/lib/mock/f38-build-side-42-init-devel-912820-28703/root/chroot_tmpdir/scmroot/ghc-hint
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-912820-28703/root/chroot_tmpdir/scmroot/ghc-hint'...
$ git fetch origin 2e88fe37f07fe25cfc2665c3017d84ae85c3dd86:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hint
 * [new ref]         2e88fe37f07fe25cfc2665c3017d84ae85c3dd86 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2e88fe3 testsuite uses cabal build