install.zsh

# stolen from https://github.com/ptrcnull/dotfiles/blob/master/install.zsh
# love you ptrc for your work <3

#!/bin/zsh
if [ "$ZSH_EVAL_CONTEXT" = "toplevel" ]; then
	echo "[!] this script is meant to be sourced"
fi

plugins_dir="$HOME/.local/share/zsh-plugins"
plugins_alpine="
	starship
	zsh-syntax-highlighting
	zsh-autosuggestions
	zsh-completions
"
plugins_git="
	https://github.com/zsh-users/zsh-syntax-highlighting
	https://github.com/zsh-users/zsh-autosuggestions
"

for cmd in curl git sed install find; do
	if ! command -v $cmd >/dev/null; then
		echo "[!] $cmd not found"
		exit 1
	fi
done
set -e

# migrate legacy
mkdir -p "$HOME"/.config/zsh
touch "$HOME"/.config/zsh/local.zsh
if [ -d "$HOME"/.zsh-custom ]; then
	for file in "$HOME"/.zsh-custom/*; do
		echo "# $file" >> "$HOME"/.config/zsh/local.zsh
		cat "$file" >> "$HOME"/.config/zsh/local.zsh
		echo "" >> "$HOME"/.config/zsh/local.zsh
		rm "$file"
	done
	rmdir "$HOME"/.zsh-custom
fi

if command -v rsync >/dev/null; then
	echo "[*] installing config files"
	rsync --archive --update --hard-links --itemize-changes --delay-updates \
		./config/ ~/.config/
	rsync --archive --update --hard-links --itemize-changes --delay-updates \
	    ./.zshrc "$HOME"
	echo "[*] installing executables"
	rsync --archive --update --hard-links --itemize-changes --delay-updates \
		./bin/ ~/.local/bin/
else
	install() {
		command install -dv "$(dirname "$2")" || true
		# screw you coreutils install and your ugly messages
		command install -v $@ | grep -v removed
	}

	echo "[*] installing config files"
	install -m644 .zshrc "$HOME"/.zshrc
	find config -type f | while read file; do
		install $file $(echo $file | sed "s|config|$HOME/.config|")
	done

	echo "[*] installing executables"
	find bin -type f | while read file; do
		install $file $(echo $file | sed "s|bin|$HOME/.local/bin|")
	done

	unfunction install
fi

#if ! { [ -f "$HOME"/.ssh/authorized_keys ] && grep -q patrycja "$HOME"/.ssh/authorized_keys }; then
#	echo "[*] installing SSH keys"
#	mkdir -p "$HOME"/.ssh
#:whilefi

os_id="$( . /etc/os-release 2>/dev/null && echo "$ID" || echo "unknown" )"

# if on alpine, install stuff system-wide
if [ "$os_id" = "alpine" ]; then
	elevate=

	if [ "$(id -u)" != 0 ]; then
		if command -v doas >/dev/null; then
			elevate=doas
		elif command -v sudo >/dev/null; then
			elevate=sudo
		else
			echo "[!] cannot install zsh plugins system-wide"
			elevate=:
		fi
	fi

	for plugin in $=plugins_alpine; do
		if ! grep -q "P:$plugin" /lib/apk/db/installed; then
			echo "[*] installing $plugin system-wide"
			$elevate apk add "$plugin"
		else
			echo "[+] $plugin installed already"
		fi
	done
else
	for plugin in $=plugins_git; do
		name="${plugin/*\//}"

		if [ ! -d "$plugins_dir/$name" ]; then
			echo "[*] installing $name locally"
			git clone --depth=1 "$plugin" "$plugins_dir/$name"
		else
			echo "[+] $name installed already"
		fi
	done
fi

echo
echo "[*] installing homedir files"
find homedir -type f |while read -r file; do
	install $file $(echo $file | sed "s|homedir|$HOME|")
done

echo
echo "[*] installing config files"
install -m644 .zshrc "$HOME"
find config -type f | while read file; do
	install $file $(echo $file | sed "s|config|$HOME/.config|")
done

echo
echo "[*] installing executables"

find bin -type f | while read -r file; do
	install $file $(echo $file | sed "s|bin|$HOME/.local/bin|")
done

for plugin in $=plugins_git; do
    name="${plugin/*\//}"
    mkdir -p "$plugins_dir"
    if [ ! -d "$plugins_dir/$name" ]; then
      echo "[*] installing $name locally"
      git clone --depth=1 "$plugin" "$plugins_dir/$name"
    else
      echo "[+] $name installed already"
    fi
  done

if [ -d "$HOME"/.oh-my-zsh ]; then
	echo "[*] cleaning up oh-my-zsh"
	rm -rf "$HOME"/.oh-my-zsh
fi

if [ -d "$HOME"/.zsh ]; then
	echo "[*] cleaning up .zsh"
	rm -rf "$HOME"/.zsh
fi

# enable committed secret-scan pre-commit hook (if this is a git clone)
if [ -d "$(dirname "$(readlink -f "$0" 2>/dev/null || echo "$0")")/.git" ]; then
	echo "[*] enabling pre-commit hooks for dotfiles repo"
	git config core.hooksPath .githooks
fi

exec zsh