make --style=compact look for map-cmdline.compact. change name of key in map file from changelog to changeset. rename command map files to start with map-cmdline. rename ui.logmap to ui.style in hgrc. now --style=foo does this: tries to open foo as file. tries as map-cmdline.foo in template path. tries as foo in template path.

#!/bin/sh

hg init
touch unknown

touch a
hg add a
hg ci -m "1" -d "0 0"

touch b
hg add b
hg ci -m "2" -d "0 0"

echo %% Should show unknown
hg status
hg revert -r 0
echo %% Should show unknown and b removed
hg status
echo %% Should show a and unknown
ls