essence

#! /usr/bin/env bash
#
# essence
# https://github.com/betatim/essence
#
# `essence` takes a list of file names and creates a gist from them
#

set -e

function json_escape(){
    echo "$1" | python -c 'import json,sys; print json.dumps(sys.stdin.read())'
}

if [ ! -f $HOME/.essence.token ]; then
    echo "You need to create a OAuth token for essence to work"
    echo "Run the following command and write the 'token' from"
    echo "the response to $HOME/.essence.token"
    echo
    echo "curl https://api.github.com/authorizations --user $YOUR_GH_USER_NAME--data '{\"scopes\":[\"gist\"],\"note\":\"Essence\"}'"
    echo
else
    TOKEN=`cat $HOME/.essence.token`
    FILES=""
    for fname in "$@"
    do
        if [ -f "$fname" ]; then
       	    gist_fname=$(basename "$fname")
	    gist_content=$(json_escape "$(<$fname)" )
	    FILES=$FILES"\"$gist_fname\":{\"content\":$gist_content},"
	fi
    done
    FILES=${FILES:0:${#FILES}-1}
    
    data="{\"public\":\"true\",\"files\":{$FILES}}"
    
    response=$(curl -H "Authorization: token $TOKEN" --data "$data" https://api.github.com/gists 2> /dev/null)
    
    url=$(awk '/html_url/{print $2}' <<< "$response")
    
    for u in $url
    do
	uu=${u:1:${#u}-3}
	echo "Your gist is at: $uu (URL pasted to clipboard)"
	echo "$uu" | tr -d '\n' | pbcopy
	break
    done
fi