oh-my-zsh/rake_completion.zsh

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_rake_does_task_list_need_generating () {
if [ ! -f .rake_tasks ]; then return 0;
else
accurate=$(stat -f%m .rake_tasks)
changed=$(stat -f%m Rakefile)
return $(expr $accurate '>=' $changed)
fi
}
_rake () {
if [ -f Rakefile ]; then
if _rake_does_task_list_need_generating; then
echo "\nGenerating .rake_tasks..." > /dev/stderr
rake --silent --tasks | cut -d " " -f 2 > .rake_tasks
fi
compadd `cat .rake_tasks`
fi
}
compdef _rake rake
function _cap_does_task_list_need_generating () {
if [ ! -f .cap_tasks ]; then return 0;
else
accurate=$(stat -f%m .cap_tasks)
changed=$(stat -f%m config/deploy.rb)
return $(expr $accurate '>=' $changed)
fi
}
function _cap () {
if [ -f config/deploy.rb ]; then
if _cap_does_task_list_need_generating; then
echo "\nGenerating .cap_tasks..." > /dev/stderr
cap show_tasks -q | cut -d " " -f 1 | sed -e '/^ *$/D' -e '1,2D'
> .cap_tasks
fi
compadd `cat .cap_tasks`
fi
}
compdef _cap cap