bash_completion: small updates and fixes
- $result in _hg_commands is not an array
- use "hg status ."
- update "hg cat" completion
- let bash itself generate the default completion
#!/bin/sh
mkdir a
cd a
hg init
echo 123 > a
hg add a
hg commit -m "a" -u a -d "0 0"
cd ..
mkdir b
cd b
hg init
echo 321 > b
hg add b
hg commit -m "b" -u b -d "0 0"
hg pull ../a
hg heads