Download and extract a GIST zipfile.

gist

#!/bin/bash

GISTS_DIR=~/.gists
FILENAME=$1.tar.gz

if [ "X$1" == "X" ]; then
	echo "Usage: gist <gistid>"
	exit 1
fi

if [ ! -d $GISTS_DIR ]; then
	mkdir $GISTS_DIR
fi

cd $GISTS_DIR
if [ -f $FILENAME ]; then
	rm $1.tar.gz
fi

echo "> Downloading Gist $1..."
curl -s "https://gist.github.com/gists/$1/download" > $1.tar.gz || exit 1

echo "> Untar Gist $1..."
tar vxzf $1.tar.gz || exit 1

echo "> Entering in the directory"
DIRECTORY=$(tar tzfv $1.tar.gz | awk '{print $6}' | head -n1)
cd $DIRECTORY

echo "> Gist extracted at" $(pwd)
echo "> Type 'exit' or Control+D for exiting the env."

echo -n "> Available files: "
ls
echo

$SHELL

cd ..
if [ -d $DIRECTORY ]; then
	rm -rf $DIRECTORY
	echo "> Gist $1 directory deleted"
fi
if [ -f $FILENAME ]; then
	rm -f $FILENAME
	echo "> Gist $1 archive deleted"
fi