install.sh

#!/usr/bin/env bash
# Setup script for dotfiles, this will install all necessary components
# for a complete terminal setup.
# This setup is based on Oh-My-Zsh, Powerlevel 9k and the Mononoki font

set -e

FONTS_DIR="$HOME/.local/share/fonts"

function switch_to_zsh {
    if [ "$(basename "$SHELL")" != "zsh" -a -f "$(which zsh)" ]; then
        echo "Switching default shell to zsh, please enter your password:"
        chsh -s $(which zsh)
    fi
}

function install_ohmyzsh {
    if [ ! -d "$HOME/.oh-my-zsh" ]
    then
        echo "[INSTALL] Installing oh-my-zsh"
        if [ "$(which curl)" ]; then
            sh -c "$(curl -fsSL https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh)"
        elif [ "$(which wget)" ]; then
            sh -c "$(wget https://raw.github.com/ohmyzsh/ohmyzsh/master/tools/install.sh -O -)"
        fi
        # Check that OhMyZsh as been installed and create custom plugin dir
        if [ -f "$HOME/.oh-my-zsh/oh-my-zsh.sh" ]; then
            mkdir -p ~/.oh-my-zsh/custom/plugins
        fi
    else
        echo "[SKIP] oh-my-zsh is already installed"
    fi
}

function install_ohmyzsh_plugins {
    if [ -d $HOME/.oh-my-zsh/custom ]; then
        if [ ! -d "$HOME/.oh-my-zsh/custom/plugins/grunt" ]; then
            echo "[INSTALL] zsh Grunt plugin"
            mkdir -p ~/.oh-my-zsh/custom/plugins
            git clone https://github.com/yonchu/grunt-zsh-completion.git ~/.oh-my-zsh/custom/plugins/grunt
        fi

        if [ ! -d "$HOME/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting" ]; then
            echo "[INSTALL] zsh syntax highlighting"
            mkdir -p ~/.oh-my-zsh/custom/plugins
            git clone https://github.com/zsh-users/zsh-syntax-highlighting.git ~/.oh-my-zsh/custom/plugins/zsh-syntax-highlighting/
        fi

        if [ ! -d "$HOME/.oh-my-zsh/custom/plugins/git-flow-completion" ]; then
            echo "[INSTALL] zsh git flow completion"
            git clone https://github.com/bobthecow/git-flow-completion ~/.oh-my-zsh/custom/plugins/git-flow-completion
        fi

        if [ ! -d "$HOME/.oh-my-zsh/custom/themes/powerlevel9k" ]; then
            echo "[INSTALL] powerlevel9k theme"
            mkdir -p ~/.oh-my-zsh/custom/themes/
            git clone https://github.com/bhilburn/powerlevel9k.git ~/.oh-my-zsh/custom/themes/powerlevel9k
        fi
        if [ ! -d "$HOME/.oh-my-zsh/custom/themes/powerlevel10k" ]; then
            echo "[INSTALL] powerlevel10k theme"
            git clone --depth=1 https://gitee.com/romkatv/powerlevel10k.git ${ZSH_CUSTOM:-$HOME/.oh-my-zsh/custom}/themes/powerlevel10k
        fi
    fi
}

function link_file {
    source="${PWD}/$1"
    if [[ "${2}" ]]; then
        target="${2}/${1}"
    else
        target="${HOME}/.${1}"
    fi

    if [ -e "${target}" ]
    then
        if [ "_$(readlink ${target})" == "_${source}" ]
        then
            echo "[SKIP] Existing target ${target}, skipping file $1"
            return
        else
            backup=$target.backup$(date +%s)
            echo "[BACKUP] Saving backup of exising file ${target} as ${backup}"
            mv $target $backup
        fi
    fi
    echo "[ OK ] Creating link to ${source}"
    ln -sf ${source} ${target}
}

function check_inotify_watches {
    # Check that the running system has enough inotify watches
    watches=$(cat /proc/sys/fs/inotify/max_user_watches)
    if [ $watches -lt 524288 ]; then
        echo "*********************************************************************"
        echo "*********************************************************************"
        echo "*********************************************************************"
        echo "*********************************************************************"
        echo "*****                                                           *****"
        echo "*****                                                           *****"
        echo "*****     YOUR NUMBER OF INOTIFY WATCHES IS DANGEROUSLY LOW.    *****"
        echo "*****     SEVERAL TOOLS SUCH AS TAIL, LIVERELOAD AND DROPBOX    *****"
        echo "*****     WON'T WORK PROPERLY.                                  *****"
        echo "*****                                                           *****"
        echo "*****     PLEASE FIX THIS ASAP!! RUN AS ROOT:                   *****"
        echo "*****                                                           *****"
        echo "***** echo 1048576 > /proc/sys/fs/inotify/max_user_watches       *****"
        echo "*****echo fs.inotify.max_user_watches=1048576 >> /etc/sysctl.conf*****"
        echo "*****                                                           *****"
        echo "*****                                                           *****"
        echo "*********************************************************************"
        echo "*********************************************************************"
        echo "*********************************************************************"
        echo "*********************************************************************"
    fi
}

function install_powerline_fonts {
    mkdir -p $FONTS_DIR
    git clone https://github.com/powerline/fonts.git powerline-fonts
    cd powerline-fonts
    ./install.sh
    cd ..
    rm -rf powerline-fonts
}


function install_awesome_fonts {
    mkdir -p $FONTS_DIR
    git clone https://github.com/gabrielelana/awesome-terminal-fonts.git
    cd awesome-terminal-fonts
    git checkout patching-strategy
    cd patched
    cp *.ttf $FONTS_DIR
    cd ../..
    rm -rf awesome-terminal-fonts
}

function install_nerd_fonts {
    cd $FONTS_DIR
    wget "https://github.com/ryanoasis/nerd-fonts/raw/master/patched-fonts/Mononoki/Regular/MononokiNerdFontMono-Regular.ttf"
}

function install_font() {
    # Install a font compatible with PowerLevel 9k
    mkdir -p $FONTS_DIR
    # install_powerline_fonts
    # install_awesome_fonts
    install_nerd_fonts
    fc-cache -f -v
}

fix_gnome_shell_multimonitor_windows() {
    # Fix broken multi-monitor window positioning in Gnome Shell
    # "When true, the new windows will always be put in the center of the active screen of the monitor."
    if [ "$(which gsettings)" ]; then
        gsettings set org.gnome.mutter center-new-windows true
    fi
}

install_kde_config() {
    # Install KDE config if running KDE/Plasma
    if [ "$XDG_CURRENT_DESKTOP" = "KDE" ] || [ "$KDE_FULL_SESSION" = "true" ]; then
        echo "[INSTALL] Installing KDE configuration"
        mkdir -p "$HOME/.config"
        if [ -f "$HOME/.config/kdeglobals" ]; then
            # Merge settings using kwriteconfig6 if available
            if [ "$(which kwriteconfig6)" ]; then
                kwriteconfig6 --file kdeglobals --group KDE --key SingleClick true
                echo "[ OK ] KDE SingleClick enabled via kwriteconfig6"
            else
                echo "[SKIP] kwriteconfig6 not found, skipping KDE config"
            fi
        else
            ln -sf "${PWD}/kde/kdeglobals" "$HOME/.config/kdeglobals"
            echo "[ OK ] Linked kdeglobals"
        fi
    else
        echo "[SKIP] KDE not detected, skipping KDE config"
    fi
}

function install_fzf() {
    if [ ! -d "$HOME/.fzf" ]; then
        git clone --depth 1 https://github.com/junegunn/fzf.git $HOME/.fzf
        ~/.fzf/install --no-update-rc
    fi
}

link_file vim
link_file vimrc
link_file bashrc
link_file zshrc
link_file screenrc
link_file gitconfig
link_file gitignore_global
link_file hgrc
link_file tmux.conf
link_file dput.cf
link_file mancolor
link_file xbindkeysrc
link_file shell_functions.sh
install_ohmyzsh
install_ohmyzsh_plugins
install_fzf
install_font
fix_gnome_shell_multimonitor_windows
install_kde_config
check_inotify_watches
switch_to_zsh