link

#!/bin/sh
set -eu

case `uname` in
    MINGW*|CYGWIN*)
        echo >&1 "don't run this on Windows; use link.bat instead"
        exit 1;;
esac

cd `dirname "$0"`
PWD=${PWD-`pwd`}
PATH=home/sbin:$PATH

link_home() {
    source=$PWD/home/$1
    destdir=${2-`dirname "$HOME/$1"`/}
    mkdir -p "$destdir"
    path=`relpath "$source" "$destdir"`
    ln -fs "$path" "$destdir"
    printf "%s\n" "$path --> $destdir"
}

link_home_systemd() {
    name=$1
    mkdir -p "$HOME/.config/systemd/user"
    echo "# automatically generated by config/link" \
         >"$HOME/.config/systemd/user/$name"
    sed "s:{{HOME}}:$HOME:" \
        "home/.config/systemd/user/$name" \
        >>"$HOME/.config/systemd/user/$name"
    printf "%s\n" "[systemd user] $name"
}

bundle_home() {
    source=$PWD/home/$1
    dest=$HOME/$1
    comment=${2-\#}
    if [ -f "$dest" ] && [ ! -d "$dest".d ]; then
        echo >&2 "error: $dest already exists; must move config to ${dest}.d/"
        exit 1
    fi
    mkdir -p "$dest".d
    rm -f "$dest"
    {
        printf "%s\n" "${comment} automatically generated from .d"
        cat "$source"
        for f in "$dest".d/*; do
            [ -f "$f" ] || continue
            printf "# %s\n" "$f"
            cat "$f"
        done
    } >"$dest"
    chmod a-w "$dest"
    printf "%s\n" ".d + $1 --> $dest"
}

link_home_systemd backup.service
link_home_systemd backup.timer
link_home_systemd ssh-agent.service
link_home_systemd socks-tunnel@.service

mkdir -p \
    "$HOME/.cache/makepkg/pkg" \
    "$HOME/.cache/makepkg/src" \
    "$HOME/.cache/makepkg/srcpkg" \
    "$HOME/.local/bin"

ln -fs /usr/bin/xfce4-terminal "${HOME}/.local/bin/term"

link_home .bashrc
link_home .bash_profile
link_home .clang-format
link_home .config/fontconfig/conf.d/10-hinting-none.conf
link_home .config/dunst/dunstrc
link_home .config/git/attributes
bundle_home .config/git/config
link_home .config/git/ignore
link_home .config/mypy
link_home .config/user-dirs.dirs
link_home .config/xfce4/terminal
link_home .config/xmobar/xmobarrc
link_home .config/yay
link_home .emacs.d/elisp/adwaita-custom-theme.el
link_home .emacs.d/elisp/solarized-custom-theme.el
link_home .emacs.d/elisp/tango-dark-custom-theme.el
link_home .emacs.d/elisp/wombat-custom-theme.el
link_home .emacs.d/init.el
link_home .gdbinit
link_home .ghci
link_home .gtkrc-2.0
link_home .i3/config
link_home .local/share/applications/mimeapps.list
link_home .local/opt
link_home .muttrc
link_home .profile
link_home .Rprofile
link_home .tmux.conf
link_home .ttytterrc
link_home .xbindkeysrc
link_home .XCompose
link_home .xinitrc
link_home .xmonad/xmonad.hs
link_home .Xresources
link_home .zprofile
link_home .zshrc
link_home sbin "$HOME/.local/"

ln -fs ../../stuff/emacs-rustdoc-theme/rustdoc-theme.el "$HOME/.emacs.d/elisp"

groups "$USER" | grep >/dev/null 2>&1 '\bwheel\b' ||
groups "$USER" | grep >/dev/null 2>&1 '\bsudo\b' ||
    exit 0

sudo sh <<EOF
set -e

mkdir -p /root/.emacs.d
cp -f home/.emacs.d/init.el /root/.emacs.d/
cp -f home/.bashrc /root/
cp -f home/.bash_profile /root/
cp -f home/.profile /root/
cp -f home/.zshrc /root/
cp -f home/.Rprofile /root/
echo "$PWD/home/ --> /root/"

uname -a | grep arch >/dev/null 2>&1 ||
    exit 0

link_root() {
    source=$PWD/root/\$1
    destdir=/\${2-\`dirname "\$1"\`/}
    [ -f "/\$1.preserve" ] && return
    mkdir -p "\$destdir"
    cp -fr "\$source" "\$destdir"
    printf "%s\n" "\$source --> \$destdir"
}

patch -d/ -N -p0 -r- <root/etc/inputrc.patch || :
patch -d/ -N -p0 -r- <root/etc/makepkg.conf.patch || :
patch -d/ -N -p0 -r- <root/etc/pacman.conf.patch || :
patch -d/ -N -p0 -r- <root/etc/pacman.d/gnupg/gpg.conf.patch || :

ln -fs ../conf.avail/70-no-bitmaps.conf /etc/fonts/conf.d/

link_root bin/conmon usr/local/bin/
link_root bin/touchpad-ctl usr/local/bin/
link_root bin/smartdnotify usr/local/bin/
link_root etc/locale.conf
link_root etc/locale.gen
link_root etc/modprobe.d/nobeep.conf
link_root etc/modules-load.d/ppp_mppe.conf
link_root etc/pam.d/su
link_root etc/ppp/ip-up.d/01-routes.sh
link_root etc/security/faillock.conf
link_root etc/security/limits.d/99-nocoredump.conf
link_root etc/sysctl.avail/30-ip-forward.conf
link_root etc/sysctl.avail/99-sysrq.conf
link_root etc/systemd/logind.conf.d/50-ignore-lid-switch.conf
link_root etc/systemd/system/conmon@.service
link_root etc/systemd/system/dhcpd4@.service
link_root etc/systemd/system/ssh-tunnel@.service
link_root etc/systemd/system/tmux@.service
link_root etc/udev/rules.d/01-touchpad.rules
link_root etc/udev/rules.d/60-schedulers.rules
link_root etc/X11/xorg.conf.d/10-monitor.conf
link_root etc/X11/xorg.conf.d/50-compose-key.conf
link_root etc/X11/xorg.conf.d/50-mouse-acceleration.conf
link_root etc/X11/xorg.conf.d/50-natural-scroll.conf
link_root etc/X11/xorg.conf.d/50-palm-detect.conf
link_root etc/X11/xorg.conf.d/60-composite.conf
link_root usr/share/i18n/locales/en_FYL
EOF