$ git clone -n https://src.fedoraproject.org/rpms/ghc-ansi-wl-pprint.git /var/lib/mock/f38-build-side-42-init-devel-604984-26244/root/chroot_tmpdir/scmroot/ghc-ansi-wl-pprint
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-604984-26244/root/chroot_tmpdir/scmroot/ghc-ansi-wl-pprint'...
$ git fetch origin 1b55ddf531e5b4f9981d7714bde0c32de945f379:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-ansi-wl-pprint
 * [new ref]         1b55ddf531e5b4f9981d7714bde0c32de945f379 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1b55ddf Convert to %autorelease and %autochangelog