prepush.sh: better code style
prepush.sh: better code style

- use $(COMMAND) as `COMMANDS` is deprecated.
- use [[ == ]] instead of [ == ] as you must choose between POSIX [ = ] or bash [[ == ]]/[[ = ]]
[ == ] only works because bash is smart to know what you want, but other shells are not.

http://wiki.bash-hackers.org/scripting/obsolete

charanrajtc/mvp,learnercys/mvp,btkostner/mvp,btkostner/mvp,elementary/website,elementary/mvp,elementary/mvp,charanrajtc/mvp,elementary/website,elementary/website,btkostner/mvp,charanrajtc/mvp,learnercys/mvp,elementary/mvp,learnercys/mvp