$ git clone -n https://src.fedoraproject.org/rpms/ghc-uuid-types.git /var/lib/mock/f38-build-side-42-init-devel-947718-28779/root/chroot_tmpdir/scmroot/ghc-uuid-types
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-947718-28779/root/chroot_tmpdir/scmroot/ghc-uuid-types'...
$ git fetch origin 58b963c4d61a8de4227456840778a40def0b9cce:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-uuid-types
 * [new ref]         58b963c4d61a8de4227456840778a40def0b9cce -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 58b963c Convert to %autorelease and %autochangelog