Grab --options from a help page

grab-options.sh

#!/bin/bash
options_for_command() {
    git help $1 \
        | tr " " "\n" \
        | egrep '^\--.*$' \
        | egrep -v '/' \
        | egrep -v '\-{3,}' \
        | egrep -v '{|}' \
        | perl -pe 's/\[=.*\]//' \
        | perl -pe 's/[^\w=\n\[\]<>-]//' \
        | perl -pe 's/([^=]+)=.*/\1=/' \
        | perl -pe 's/<.*>//' \
        | perl -pe 's/^\[(.*)\]$/\1/' \
        | perl -pe 's/^([^\[\]]+)\]+$/\1/' \
        | sort \
        | uniq \
        | perl -pe "s/(.*)(\n?)/'\1', /"
}

Useful bash script for grabbing all of the options from all help pages. Note
that it does not pick up sub commands like 'save' in git stash save. It is also
not perfect, so will pick up things like '--some-option).' unintentionally.