General style guide

• Always use spaces
• 2 spaces for indentation
• Keep line length below 80 characters

Conventions

• Underscore for variable names ($this_is_a_variable)
• Dash for function names (this-is-a-function)
• Prefix '-' for "private" functions
• Always use if / then / else for conditionals

Running shellcheck

Shellcheck is run on TravisCI, but you can run it manually this way:

shellcheck bin/antigen.zsh --shell=ksh