$ git clone -n https://src.fedoraproject.org/rpms/ghc-tagsoup.git /var/lib/mock/f38-build-side-42-init-devel-963757-28792/root/chroot_tmpdir/scmroot/ghc-tagsoup
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-963757-28792/root/chroot_tmpdir/scmroot/ghc-tagsoup'...
$ git fetch origin 8206d9df8917df310001e515610b6477db233e14:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-tagsoup
 * [new ref]         8206d9df8917df310001e515610b6477db233e14 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8206d9d Convert to %autorelease and %autochangelog