$ git clone -n https://src.fedoraproject.org/rpms/ghc-base-compat.git /var/lib/mock/f38-build-side-42-init-devel-942778-28778/root/chroot_tmpdir/scmroot/ghc-base-compat
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-942778-28778/root/chroot_tmpdir/scmroot/ghc-base-compat'...
$ git fetch origin 182fb24434a4e6f93bc393e28415a3b123beeb13:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-base-compat
 * [new ref]         182fb24434a4e6f93bc393e28415a3b123beeb13 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 182fb24 Convert to %autorelease and %autochangelog