cast_bash.rc

#emacs: -*- mode: shell-script; c-basic-offset: 4; tab-width: 4; indent-tabs-mode: nil -*-
#ex: set sts=4 ts=4 sw=4 et:
# This file contains bash configuration variables to be used for generating
# asciinema demos to guarantee consistent appearance.

: ${do_colors:=1}

if [ ! -z "$do_colors" ]; then
    # Lets color PSes
    black='\[\e[0;30m\]'
    Black='\[\e[1;30m\]'
    red='\[\e[0;31m\]'
    Red='\[\e[1;31m\]'
    green='\[\e[0;32m\]'
    Green='\[\e[1;32m\]'
    yellow='\[\e[0;33m\]'
    Yellow='\[\e[1;33m\]'
    blue='\[\e[0;34m\]'
    Blue='\[\e[1;34m\]'
    cyan='\[\e[0;36m\]'
    Cyan='\[\e[1;36m\]'
    white='\[\e[0;37m\]'
    White='\[\e[1;37m\]'
    NC='\[\e[0m\]' #no color
fi

# Color the working directory to help highlighting boundaries of the commands
# execution/output
export PS1="${Cyan}\w${NC} % "
export PS2="> "
export PS3=
export PS4=+

# make a fake temporary home dir and go into it
SCREENCAST_HOME=${SCREENCAST_HOME:-/demo}
if [ ! -e "$SCREENCAST_HOME" ]; then
    mkdir -p ${SCREENCAST_HOME} || {
        echo "FAILED to create $SCREENCAST_HOME" >&2
        exit 1;  # we need demo directory!
    }
fi
HOME=$SCREENCAST_HOME
export HOME
cd

if ! hash datalad 2>/dev/null; then
    # assume layout of the "master" but should be working fine if datalad
    # is system wide or virtualenv installed in the session
    export PATH=~/datalad/bin:$PATH
    export PYTHONPATH=~/datalad
fi

# Basic git setup
git config --global user.name "DataLad Demo"
git config --global user.email demo@datalad.org

# pager by default is not helpful in demo
git config --global core.pager cat


# cleanup at the end
trap "cd ; datalad remove $SCREENCAST_HOME/demo -r --nocheck > /dev/null 2>&1" EXIT