bash: Add smarter completion of add/commit/remove/forget/diff/revert Use hg status to determine which files are interesting for various commands. Thus, hg add [tab] finds unknown files, and hg commit [tab] finds added, modified, or removed files.

#!/bin/sh

hg init
echo a > a
hg add a
hg commit -m "test" -d "0 0"
hg history
hg tag -d "0 0" "bleah" 
hg history

echo foo >> .hgtags
hg tag -d "0 0" "bleah2" || echo "failed"