spf13-vim/bootstrap.sh

#!/usr/bin/env bash

#   Copyright 2014 Steve Francia
#
#   Licensed under the Apache License, Version 2.0 (the "License");
#   you may not use this file except in compliance with the License.
#   You may obtain a copy of the License at
#
#       http://www.apache.org/licenses/LICENSE-2.0
#
#   Unless required by applicable law or agreed to in writing, software
#   distributed under the License is distributed on an "AS IS" BASIS,
#   WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
#   See the License for the specific language governing permissions and
#   limitations under the License.

############################  SETUP PARAMETERS
app_name='spf13-vim'
app_dir="$HOME/.spf13-vim-3"
[ -z "$git_uri" ] && git_uri='https://github.com/spf13/spf13-vim.git'
git_branch='3.0'
debug_mode='0'
fork_maintainer='0'
[ -z "$VUNDLE_URI" ] && VUNDLE_URI="https://github.com/gmarik/vundle.git"

############################  BASIC SETUP TOOLS
msg() {
    printf '%b\n' "$1" >&2
}

success() {
    if [ "$ret" -eq '0' ]; then
    msg "\33[32m[✔]\33[0m ${1}${2}"
    fi
}

error() {
    msg "\33[31m[✘]\33[0m ${1}${2}"
    exit 1
}

debug() {
    if [ "$debug_mode" -eq '1' ] && [ "$ret" -gt '1' ]; then
      msg "An error occurred in function \"${FUNCNAME[$i+1]}\" on line ${BASH_LINENO[$i+1]}, we're sorry for that."
    fi
}

program_exists() {
    local ret='0'
    type $1 >/dev/null 2>&1 || { local ret='1'; }

    # throw error on non-zero return value
    if [ ! "$ret" -eq '0' ]; then
    error "$2"
    fi
}

variable_set() {
    if [ -z "$1" ]; then
        error "You must have your HOME environmental variable set to continue."
    fi
}

############################ SETUP FUNCTIONS
lnif() {
    if [ -e "$1" ]; then
        ln -sf "$1" "$2"
    fi
    ret="$?"
    debug
}

do_backup() {
    if [ -e "$2" ] || [ -e "$3" ] || [ -e "$4" ]; then
        today=`date +%Y%m%d_%s`
        for i in "$2" "$3" "$4"; do
            [ -e "$i" ] && [ ! -L "$i" ] && mv "$i" "$i.$today";
        done
        ret="$?"
        success "$1"
        debug
   fi
}

sync_repo() {
    local repo_path="$1"
    local repo_uri="$2"
    local repo_branch="$3"
    local repo_name="$4"

    msg "Trying to update $repo_name"

    if [ ! -e "$repo_path" ]; then
        git clone -b "$repo_branch" "$repo_uri" "$repo_path"
        ret="$?"
        success "Successfully cloned $repo_name."
    else
        cd "$repo_path" && git pull origin "$repo_branch"
        ret="$?"
        success "Successfully updated $repo_name"
    fi

    debug
}

create_symlinks() {
    endpath="$app_dir"

    if [ ! -d "$endpath/.vim/bundle" ]; then
        mkdir -p "$endpath/.vim/bundle"
    fi

    lnif "$endpath/.vimrc"              "$HOME/.vimrc"
    lnif "$endpath/.vimrc.bundles"      "$HOME/.vimrc.bundles"
    lnif "$endpath/.vimrc.before"       "$HOME/.vimrc.before"
    lnif "$endpath/.vim"                "$HOME/.vim"

    # Useful for fork maintainers
    touch  "$HOME/.vimrc.local"

    if [ -e "$endpath/.vimrc.fork" ]; then
        ln -sf "$endpath/.vimrc.fork" "$HOME/.vimrc.fork"
    elif [ "$fork_maintainer" -eq '1' ]; then
        touch "$HOME/.vimrc.fork"
        touch "$HOME/.vimrc.bundles.fork"
        touch "$HOME/.vimrc.before.fork"
    fi

    if [ -e "$endpath/.vimrc.bundles.fork" ]; then
        ln -sf "$endpath/.vimrc.bundles.fork" "$HOME/.vimrc.bundles.fork"
    fi

    if [ -e "$endpath/.vimrc.before.fork" ]; then
        ln -sf "$endpath/.vimrc.before.fork" "$HOME/.vimrc.before.fork"
    fi

    ret="$?"
    success "$1"
    debug
}

setup_vundle() {
    system_shell="$SHELL"
    export SHELL='/bin/sh'

    vim \
        -u "$app_dir/.vimrc.bundles.default" \
        "+set nomore" \
        "+BundleInstall!" \
        "+BundleClean" \
        "+qall"

    export SHELL="$system_shell"

    success "$1"
    debug
}

############################ MAIN()
variable_set "$HOME"
program_exists "vim" "To install $app_name you first need to install Vim."
program_exists "git" "To install $app_name you first need to install Git."

do_backup   "Your old vim stuff has a suffix now and looks like .vim.`date +%Y%m%d%S`" \
        "$HOME/.vim" \
        "$HOME/.vimrc" \
        "$HOME/.gvimrc"

sync_repo       "$app_dir" \
                "$git_uri" \
                "$git_branch" \
                "$app_name"

create_symlinks "Setting up vim symlinks"

sync_repo       "$HOME/.vim/bundle/vundle" \
                "$VUNDLE_URI" \
                "master" \
                "vundle"


setup_vundle    "Now updating/installing plugins using Vundle"

msg             "\nThanks for installing $app_name."
msg             "© `date +%Y` http://vim.spf13.com/"