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Implement locking for the kitty bootstrap install

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Kovid Goyal 2022-04-03 21:53:23 +05:30
parent b3fc2cb118
commit 6cc89416ce
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GPG Key ID: 06BC317B515ACE7C
1 changed files with 30 additions and 11 deletions
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41
shell-integration/ssh/kitty
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@ -5,17 +5,25 @@
die() { printf "\033[31m%s\033[m\n\r" "$*" > /dev/stderr; exit 1; }
delete_lock_dir() {
trap '' EXIT INT QUIT TERM
[ -n "$lock_dir" ] && command rm -rf "$lock_dir"
}
exec_kitty() {
delete_lock_dir
[ -n "$kitty_exe" ] && exec "$kitty_exe" "$@"
die "Failed to execute kitty"
}
lock_dir=""
script_path=$(command readlink -f "$0" 2> /dev/null)
[ $? == 0 ] || script_path="$0"
script_dir=$(command dirname "$script_path")
install_dir="$(command dirname "$script_dir")/install"
local_kitty_version_file="$install_dir/installed-kitty-version"
kitty_exe="$install_dir/bin/kitty"
if [ -r "$local_kitty_version_file" -a -f "$local_kitty_version_file" ]; then
if [ $? = 0 ]; then
version_sort_key() {
@ -29,6 +37,12 @@ if [ -r "$local_kitty_version_file" -a -f "$local_kitty_version_file" ]; then
fi
fi
case "$(command uname)" in
'Linux') OS="linux";;
'Darwin') OS="macos";;
*) die "kitty 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 "$1"
@ -47,16 +61,6 @@ else
die "Neither curl nor wget available, cannot download kitty"
fi
case "$(command uname)" in
'Linux') OS="linux";;
'Darwin') OS="macos";;
*) die "kitty pre-built binaries are not available for the $(command uname) operating system";;
esac
release_version=$(fetch_quiet "https://api.github.com/repos/kovidgoyal/kitty/releases/latest" | command grep tag_name | command head -n1 | command cut -dv -f2 | command cut -d '"' -f1)
[ -z "$release_version" ] && die "Could not get kitty latest release version"
command rm -rf "$install_dir"
if [ "$OS" = "linux" ]; then
case "$(command uname -m)" in
x86_64) arch="x86_64";;
@ -66,13 +70,28 @@ if [ "$OS" = "linux" ]; then
i686) arch="i686";;
*) die "Unknown CPU architecture $(command uname -m)";;
esac
fi
release_version=$(fetch_quiet "https://api.github.com/repos/kovidgoyal/kitty/releases/latest" | command grep tag_name | command head -n1 | command cut -dv -f2 | command cut -d '"' -f1)
[ -z "$release_version" ] && die "Could not get kitty latest release version"
if [ "$OS" = "linux" ]; then
url="https://github.com/kovidgoyal/kitty/releases/download/v$release_version/kitty-$release_version-$arch.txz"
else
url="https://github.com/kovidgoyal/kitty/releases/download/v$release_version/kitty-$release_version.dmg"
fi
printf "Downloading kitty from: \033[32m%s\033[m\n\n" "$url"
lock_dir="$script_dir/kitty-install-lock"
if ! command mkdir "$lock_dir" 2> /dev/null; then
ed="$lock_dir"
lock_dir="";
die "Failed to create lock dir another instance of the kitty bootstrap script is running. If you are sure that is not the case delete: $ed";
fi
trap 'delete_lock_dir' EXIT INT QUIT TERM
command rm -rf "$install_dir"
command mkdir -p "$install_dir"
printf "Downloading kitty from: \033[32m%s\033[m\n\n" "$url"
if [ "$OS" = "linux" ]; then
fetch "$url" | command tar -C "$install_dir" -xJof -