$ git clone -n https://src.fedoraproject.org/rpms/ghc-hslogger.git /var/lib/mock/f38-build-side-42-init-devel-967380-28808/root/chroot_tmpdir/scmroot/ghc-hslogger
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-967380-28808/root/chroot_tmpdir/scmroot/ghc-hslogger'...
$ git fetch origin aa3dbaf057fb8c77cc4dc09e9627082247ecc756:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-hslogger
 * [new ref]         aa3dbaf057fb8c77cc4dc09e9627082247ecc756 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at aa3dbaf Convert to %autorelease and %autochangelog