$ git clone -n https://src.fedoraproject.org/rpms/ghc-system-filepath.git /var/lib/mock/f38-build-side-42-init-devel-633182-26381/root/chroot_tmpdir/scmroot/ghc-system-filepath
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-633182-26381/root/chroot_tmpdir/scmroot/ghc-system-filepath'...
$ git fetch origin 44736764fb717bd187e412852454538e253631c1:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-system-filepath
 * [new ref]         44736764fb717bd187e412852454538e253631c1 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4473676 Convert to %autorelease and %autochangelog