prefix hook env var names with HG_.
old names are still provided, but doc says they deprecated.
#!/bin/shhg inittouch unknowntouch ahg add ahg ci -m "1" -d "0 0"touch bhg add bhg ci -m "2" -d "0 0"echo %% Should show unknownhg statushg revert -r 0echo %% Should show unknown and b removedhg statusecho %% Should show a and unknownls