Backup an anaconda environment

backup-conda-env.sh

#!/bin/sh

# Set usage function
usage() {
  status=$1
  read -rd '' usage << EOM
Usage: [OPTIONS] SOURCE DEST

Backup the SOURCE anaconda environment to DEST

  OPTIONS

    -h  Prints this help message
    -f  Force creating the destination environment even if it exists
EOM
  printf "$usage\n";
  exit $status
}

# Get flags
force='false'
while getopts ':hf' option; do
  case "$option" in
    h)
      usage 0
      exit
      ;;
    f)
      force='true'
      ;;
   \?) printf "Invalid option: -%s\n" "$OPTARG" >&2
       usage 1 >&2
       exit 1
       ;;
  esac
done
shift $((OPTIND - 1))

# Get positional args
[[ $# < 2 ]] && { echo $usage; exit 1; }
SOURCE=$1
DEST=$2

# Define some colors for printfs
RED='\e[0;31m'
GREEN='\e[0;32m'
YELLOW='\e[0;33m'
BLUE='\e[0;34m'
MAGENTA='\e[0;35m'
CYAN='\e[0;36m'
WHITE='\e[0;37m'
BLACK='\e[0;38m'
BOLDYELLOW='\e[1;33m'
NOCOLOR='\e[m'

# See if this environment already exists - remove it if the -f option was used
if [[ -d $DEST ]] ; then
	if [[ "$force" == "true" ]] ; then
		printf "${DEST} already exists, but since you used the ${YELLOW}-f${NOCOLOR} flag, ${RED}it will be removed${NOCOLOR}...\n"
		rm -rf $DEST
	else
		printf "${DEST} already exists...\n"
		exit 1
	fi
fi

printf "Backing up ${BLUE}${SOURCE}${NOCOLOR} to ${BLUE}${DEST}${NOCOLOR}...\n"

# Clone the source environment
conda create -qy --clone $SOURCE -p $DEST --copy