Bash functions

bash.sh

# list path env variable
function list-path() {
    echo $PATH | tr ':' '\n'
}

# find text in files
function search() {
    find . -type f -print0 | xargs -0 grep "$1"
}

# tar up directory
function tar-dir() {
    local TARGET=$(basename "$1")
    tar -zcvf "$TARGET".tar.gz -C "$(dirname "$1")" "$TARGET"
}

# update apt-get in one command
function apt-up() {
  sudo apt-get update && sudo apt-get -y upgrade
}

go-lang.sh

# to easily switch between go projects
function go-path() {
    local new_go_path="$(pwd)/lib"
    if [ "$#" -ge "1" -a "$1" = "default" ]; then
        local use_default="TRUE"
        new_go_path=$DEFAULT_GOPATH
    fi

    if [ "$new_go_path" == "$GOPATH" ]; then
      echo "GOPATH is already set to $new_go_path"
      return 1
    fi

    if [ "$DEFAULT_GOPATH" != "$GOPATH" ]; then
      echo "Removing $GOPATH/bin from PATH"
      PATH=${PATH//$GOPATH\/bin?/}
    fi

    if [ "$use_default" != "TRUE" ]; then
        echo "Adding $new_go_path/bin to PATH"
        PATH=$new_go_path/bin:$PATH
    fi

    echo "Setting GOPATH to $new_go_path"
    GOPATH="$new_go_path"

    echo "Setting GOBIN to $new_go_path/bin"
    GOBIN="$new_go_path/bin"

    return 0
}

function default-go-path() {
    go-path "default"
}

node.sh

function use-node() {
    if [[ "$NPM_HOME" == "$LOCAL_PATH/npm/node" ]]; then
        echo "Already using node.js"
        return
    fi

    echo "Switching to node.js"
    brew unlink iojs
    brew link node

    echo "Changing .npmrc file to ~/local/npm/node"
    local NPMRC_FILE="$HOME/.npmrc"
    if [[ -f "$NPMRC_FILE" ]]; then
        sed -i'.bak' "s/\/npm\/io/\/npm\/node/g" "$NPMRC_FILE"
        if [[ $? -eq 0 ]]; then
            rm -f "$NPMRC_FILE.bak"
        fi
    fi

    echo "Updating NPM_HOME and PATH"
    local NEW_HOME_HOME=$LOCAL_PATH/npm/node
    PATH=${PATH//$NPM_HOME\/bin/$NEW_HOME_HOME/bin}
    export NPM_HOME=$NEW_HOME_HOME

    echo "node.js is ready"
}

function use-io() {
    if [[ "$NPM_HOME" == "$LOCAL_PATH/npm/io" ]]; then
        echo "Already using io.js"
        return
    fi

    echo "Switching to io.js"
    brew unlink node
    brew link --force iojs

    echo "Changing .npmrc file to ~/local/npm/io"
    local NPMRC_FILE="$HOME/.npmrc"
    if [[ -f "$NPMRC_FILE" ]]; then
        sed -i'.bak' "s/\/npm\/node/\/npm\/io/g" "$NPMRC_FILE"
        if [[ $? -eq 0 ]]; then
            rm -f "$NPMRC_FILE.bak"
        fi
    fi

    echo "Updating NPM_HOME and PATH"
    local NEW_HOME_HOME=$LOCAL_PATH/npm/io
    PATH=${PATH//$NPM_HOME\/bin/$NEW_HOME_HOME/bin}
    export NPM_HOME=$NEW_HOME_HOME

    echo "io.js is ready"
}

function env-node() {
    if hash iojs 2>/dev/null; then
        export NPM_HOME=$LOCAL_PATH/npm/io
        PATH=$NPM_HOME/bin:$PATH
    else
        export NPM_HOME=$LOCAL_PATH/npm/node
        PATH=$NPM_HOME/bin:$PATH
    fi
}