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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
tdir=''
cleanup() {
[ -n "$tdir" ] && {
command rm -rf "$tdir"
tdir=''
}
}
die() {
cleanup
printf "\033[31m%s\033[m\n\r" "$*" > /dev/stderr;
exit 1;
}
detect_network_tool() {
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- "$1"
}
else
die "Neither curl nor wget available, cannot download kitty"
fi
}
detect_os() {
arch=""
case "$(command uname)" in
'Darwin') OS="macos";;
'Linux')
OS="linux"
case "$(command uname -m)" in
amd64|x86_64) arch="x86_64";;
aarch64*) arch="arm64";;
armv8*) arch="arm64";;
*) die "kitty binaries not available for architecture $(command uname -m)";;
esac
;;
*) die "kitty binaries are not available for $(command uname)"
esac
}
expand_tilde() {
tilde_less="${1#\~/}"
[ "$1" != "$tilde_less" ] && tilde_less="$HOME/$tilde_less"
printf '%s' "$tilde_less"
}
parse_args() {
dest='~/.local'
[ "$OS" = "macos" ] && dest="/Applications"
launch='y'
installer=''
while :; do
case "$1" in
dest=*) dest="${1#*=}";;
launch=*) launch="${1#*=}";;
installer=*) installer="${1#*=}";;
"") break;;
*) die "Unrecognized command line option: $1";;
esac
shift
done
dest=$(expand_tilde "${dest}")
[ "$launch" != "y" -a "$launch" != "n" ] && die "Unrecognized command line option: launch=$launch"
dest="$dest/kitty.app"
}
get_file_url() {
url="https://github.com/kovidgoyal/kitty/releases/download/$1/kitty-$2"
if [ "$OS" = "macos" ]; then
url="$url.dmg"
else
url="$url-$arch.txz"
fi
}
get_release_url() {
release_version=$(fetch_quiet "https://sw.kovidgoyal.net/kitty/current-version.txt")
[ $? -ne 0 -o -z "$release_version" ] && die "Could not get kitty latest release version"
get_file_url "v$release_version" "$release_version"
}
get_version_url() {
get_file_url "v$1" "$1"
}
get_nightly_url() {
get_file_url "nightly" "nightly"
}
get_download_url() {
installer_is_file="n"
case "$installer" in
"nightly") get_nightly_url ;;
"") get_release_url ;;
version-*) get_version_url "${installer#*-}";;
*) installer_is_file="y" ;;
esac
}
download_installer() {
tdir=$(command mktemp -d "/tmp/kitty-install-XXXXXXXXXXXX")
[ "$installer_is_file" != "y" ] && {
printf '%s\n\n' "Downloading from: $url"
if [ "$OS" = "macos" ]; then
installer="$tdir/kitty.dmg"
else
installer="$tdir/kitty.txz"
fi
fetch "$url" > "$installer" || die "Failed to download: $url"
installer_is_file="y"
}
}
ensure_dest() {
printf "%s\n" "Installing to $dest"
command rm -rf "$dest" || die "Failed to delete $dest"
command mkdir -p "$dest" || die "Failed to mkdir -p $dest"
command rm -rf "$dest" || die "Failed to delete $dest"
}
linux_install() {
command mkdir "$tdir/mp"
command tar -C "$tdir/mp" "-xJof" "$installer" || die "Failed to extract kitty tarball"
ensure_dest
command mv "$tdir/mp" "$dest" || die "Failed to move kitty.app to $dest"
}
macos_install() {
command mkdir "$tdir/mp"
command hdiutil attach "$installer" "-mountpoint" "$tdir/mp" || die "Failed to mount kitty.dmg"
ensure_dest
command ditto -v "$tdir/mp/kitty.app" "$dest"
rc="$?"
command hdiutil detach "$tdir/mp"
[ "$rc" != "0" ] && die "Failed to copy kitty.app from mounted dmg"
}
exec_kitty() {
if [ "$OS" = "macos" ]; then
exec "open" "$dest"
else
exec "$dest/bin/kitty" "--detach"
fi
die "Failed to launch kitty"
}
main() {
detect_os
parse_args "$@"
detect_network_tool
get_download_url
download_installer
if [ "$OS" = "macos" ]; then
macos_install
else
linux_install
fi
cleanup
[ "$launch" = "y" ] && exec_kitty
exit 0
}
main "$@"
|
