$ git clone -n https://src.fedoraproject.org/rpms/ghc-enclosed-exceptions.git /var/lib/mock/f39-build-2201937-51855/root/chroot_tmpdir/scmroot/ghc-enclosed-exceptions
Cloning into '/var/lib/mock/f39-build-2201937-51855/root/chroot_tmpdir/scmroot/ghc-enclosed-exceptions'...
$ git fetch origin 5babb64ecbafe9ad95eca6b2ce18fb259c1be2f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-enclosed-exceptions
 * [new ref]         5babb64ecbafe9ad95eca6b2ce18fb259c1be2f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5babb64 bump release