roaster/data/tmpl.activate at master · dmedri/roaster · GitHub

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# Roaster RVE bin/activate

# helpful message to run this command
if [[ "${BASH_SOURCE-}" = "$0" ]]; then
	echo -e "\e[32mPlease, run: \$ source $0\e[0m"
	exit 33
fi

# deactivate virtual environment settings
function deactivate {
	# reset old environment variables
	if ! [[ -z "${ROASTER_SYS_PATH:+_}" ]]; then
		PATH="$ROASTER_SYS_PATH"
		export PATH
		unset ROASTER_SYS_PATH
	fi

	# reset old home
	if ! [[ -z "$ROASTER_SYS_HOME" ]]; then
		HOME="$ROASTER_SYS_HOME"
		export HOME && cd
		unset ROASTER_SYS_HOME
	fi

	# reset commands history
	if [[ -n "${BASH-}" ]]; then
		hash -r 2>/dev/null
	fi

	# reset bash prompt
	if ! [[ -z "${ROASTER_SYS_PS1+_}" ]]; then
		PS1="$ROASTER_SYS_PS1"
		export PS1
		unset ROASTER_SYS_PS1
	fi

	unset ROASTER_RVE_ENV
	unset R_HOME_USER
	unset R_PROFILE_USER
	unset R_LIBS_USER
	unset R_HISTFILE

	if [[ ! "${1-}" = "nondestructive" ]]; then
		unset -f deactivate
	fi
}

# update packages
function rve-update {
	Rscript -e "update.packages(ask=F)"
}

# freeze packages/libraries
function rve-freeze {
	Rscript -e "write(unname(installed.packages(.Library)[,1]),'~/requirements.txt')"
}

# install packages/libraries
function rve-install {
	if [[ -f "$1" ]]; then
		Rscript -e "install.packages(pkgs=readLines('$1'), ask=F)"
	else
		echo "Use: rve-install requirements.txt"
	fi
}

# unset irrelevant variables
deactivate nondestructive

# set env variables
ROASTER_RVE_ENV="$HOME/RVE"
export ROASTER_RVE_ENV

ROASTER_SYS_HOME="$HOME"

HOME="$HOME/RVE"
export HOME && cd

R_HOME_USER="$HOME/workspace"
export R_HOME_USER

R_PROFILE_USER="$HOME/.Rprofile"
export R_PROFILE_USER

R_LIBS_USER="$HOME/lib/R/library"
export R_LIBS_USER

R_HISTFILE="$HOME/.Rhistory"
export R_HISTFILE

ROASTER_SYS_PATH="$PATH"

PATH="$ROASTER_RVE_ENV/bin:$PATH"
export PATH

# set bash prompt
ROASTER_SYS_PS1="${PS1-}"
if [ "x" != x ] ; then
	PS1="${PS1-}"
else
	PS1="(`basename \"$ROASTER_RVE_ENV\"`) ${PS1-}"
fi
export PS1

# reset commands history
if [[ -n "${BASH-}" ]]; then
	hash -r 2>/dev/null
fi