$ git clone -n https://src.fedoraproject.org/rpms/ghc-lzma-conduit.git /var/lib/mock/f38-build-side-42-init-devel-1001049-29278/root/chroot_tmpdir/scmroot/ghc-lzma-conduit
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1001049-29278/root/chroot_tmpdir/scmroot/ghc-lzma-conduit'...
$ git fetch origin be3a5d92af5b46b7f2c95bedce92ba51e92008fe:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/ghc-lzma-conduit
 * [new ref]         be3a5d92af5b46b7f2c95bedce92ba51e92008fe -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at be3a5d9 update to 1.2.3