$ git clone -n https://src.fedoraproject.org/rpms/ghc-IfElse.git /var/lib/mock/f38-build-side-42-init-devel-895045-28550/root/chroot_tmpdir/scmroot/ghc-IfElse
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-895045-28550/root/chroot_tmpdir/scmroot/ghc-IfElse'...
$ git fetch origin ae25acc9807d32c6525f16125e8fed5fb06cb9ee:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-IfElse
 * [new ref]         ae25acc9807d32c6525f16125e8fed5fb06cb9ee -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at ae25acc Convert to %autorelease and %autochangelog