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#!/bin/sh
# Copyright (C) 2018 Kovid Goyal <kovid at kovidgoyal.net>
#
# Distributed under terms of the GPLv3 license.
{ \unalias command; \unset -f command; } >/dev/null 2>&1
die() {
if [ -e /dev/stderr ]; then
printf "\033[31m%s\033[m\n\r" "$*" > /dev/stderr;
elif [ -e /dev/fd/2 ]; then
printf "\033[31m%s\033[m\n\r" "$*" > /dev/fd/2;
else
printf "\033[31m%s\033[m\n\r" "$*";
fi
exit 1;
}
exec_kitty() {
[ -n "$kitty_exe" ] && exec "$kitty_exe" "$@"
die "Failed to execute kitty"
}
script_path="$(command readlink -f "$0" 2> /dev/null)"
[ $? = 0 ] || script_path="$0"
script_dir="$(command dirname "$script_path")"
install_dir="$(command dirname "$script_dir")/install-tool"
remote_kitty_version_file="$script_dir/../version"
local_kitty_version_file="$install_dir/installed-kitten-version"
kitty_exe="$install_dir/kitten"
local_kitty_version=""
[ -f "$kitty_exe" -a -x "$kitty_exe" ] && exec_kitty "$@"
# Use kitten from the downloaded kitty installation, if available.
embed_exe="$(command dirname "$script_dir")/install/bin/kitten"
[ -f "$embed_exe" -a -x "$embed_exe" ] && {
kitty_exe="$embed_exe"
exec_kitty "$@"
}
case "$(command uname)" in
'Linux') OS="linux";;
'Darwin') OS="darwin";;
'FreeBSD') OS="freebsd";;
'NetBSD') OS="netbsd";;
'OpenBSD') OS="openbsd";;
'DragonFlyBSD') OS="dragonfly";;
*) die "kitten pre-built binaries are not available for the $(command uname) operating system";;
esac
if command -v curl 2> /dev/null > /dev/null; then
fetch() {
command curl -fL "$1"
}
fetch_quiet() {
command curl -fsSL "$1"
}
elif command -v wget 2> /dev/null > /dev/null; then
fetch() {
command wget -O- "$1"
}
fetch_quiet() {
command wget --quiet -O- "$1"
}
else
die "Neither curl nor wget available, cannot download kitten"
fi
case "$(command uname -m)" in
amd64|x86_64) arch="amd64";;
aarch64*) arch="arm64";;
armv8*) arch="arm64";;
arm64) arch="arm64";;
arm|armv7l) arch="arm";;
i386) arch="386";;
i686) arch="386";;
*) die "Unknown CPU architecture $(command uname -m)";;
esac
url="https://github.com/kovidgoyal/kitty/releases/latest/download/kitten-$OS-$arch"
printf "\033[33mkitten needs to be installed\033[m\n\n"
command mkdir -p "$install_dir"
printf "Downloading kitten from: \033[32m%s\033[m\n\n" "$url"
download_dest="$(command mktemp "$kitty_exe.XXXXXXXXXX")"
fetch "$url" > "$download_dest" || {
command rm -f "$download_dest"
die "Failed to download kitten"
}
command chmod 755 "$download_dest"
command mv "$download_dest" "$kitty_exe"
command "$kitty_exe" --version | cut -d" " -f2 > "$local_kitty_version_file"
exec_kitty "$@"
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