Setting up Kerl with ZSH

.kerlrc

KERL_DOWNLOAD_DIR=$KERL_BASE_DIR/archives
KERL_BUILD_DIR=$KERL_BASE_DIR/builds
KERL_DEFAULT_INSTALL_DIR=$KERL_BASE_DIR/installs
KERL_INSTALL_MANPAGES=1
KERL_INSTALL_HTMLDOCS=1
KERL_ENABLE_PROMPT=

.zshrc

# Kerl Setup
# git clone https://github.com/yrashk/kerl ~/src/kerl
KERL_SRC=~/src/kerl
DEFAULT_KERL_INSTALLATION=17.5
chmod a+x ${KERL_SRC}/kerl
path=($path ${KERL_SRC})
chmod a+x ${KERL_SRC}/zsh_completion/_kerl
fpath=($fpath ${KERL_SRC}/zsh_completion)
if [ -d ~/.kerl/installs/${DEFAULT_KERL_INSTALLATION} ]
then
    source ~/.kerl/installs/${DEFAULT_KERL_INSTALLATION}/activate
fi

autoload -U compinit
compinit

kerl_setup

#!/bin/bash

set -e

RELEASES=(17.5 17.4 17.3 17.1)

kerl_installation_dir() {
    BUILD_NAME=$1
    kerl list installations | awk '/'${BUILD_NAME}'/{print $2}'
}

kerl_build_exists() {
    RELEASE_CODE=$1
    BUILD_NAME=$2
    kerl list builds | grep "${RELEASE_CODE},${BUILD_NAME}" 1>/dev/null
}

build_and_install() {
    RELEASE_CODE=$1
    BUILD_NAME=$2

    if kerl_build_exists ${RELEASE_CODE} ${BUILD_NAME}
    then
       echo "Build '${BUILD_NAME}' of OTP release ${RELEASE_CODE} is already built"
    else
        kerl build ${RELEASE_CODE} ${BUILD_NAME}
    fi

    KERL_INSTALLATION_DIR=`kerl_installation_dir ${BUILD_NAME}`
    if [ -d "$KERL_INSTALLATION_DIR" ]
    then
        echo "Build '${BUILD_NAME}' of OTP release ${RELEASE_CODE} is already installed"
    else
        kerl install ${BUILD_NAME}
    fi
}

kerl update releases 1>/dev/null

for RELEASE_CODE in "${RELEASES[@]}"
do
    BUILD_NAME=$RELEASE_CODE
    build_and_install ${RELEASE_CODE} ${BUILD_NAME}
done