$ git clone -n https://src.fedoraproject.org/rpms/ghc-oeis.git /var/lib/mock/f38-build-side-42-init-devel-738321-27649/root/chroot_tmpdir/scmroot/ghc-oeis
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-738321-27649/root/chroot_tmpdir/scmroot/ghc-oeis'...
$ git fetch origin 00c32c1106c80968e0dd9aea4c650b6fb5906ade:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-oeis
 * [new ref]         00c32c1106c80968e0dd9aea4c650b6fb5906ade -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 00c32c1 Convert to %autorelease and %autochangelog