a7071092__v_5____illumos___illumos_wiki__hg_description
[hg command] hg export $ID [git command] git format-patch [hg description] 
dump the header and diffs for one or more changesetsThis produces a file that entirely captures the contents of the change set specififed by $ID.The resulting file can be consumed by "hg import". (This is often useful for transporting changes between different workspaces and/or branches, etc.)
Page Comparison - hg git Rosetta Stone (v.4 vs v.5) - illumos - illumos wiki
hg description