#!/usr/bin/env sh
set -eu

# Copied from ../lib.sh except we do not rename Darwin and we do not need to
# detect Alpine.
os() {
 osname=$(uname | tr '[:upper:]' '[:lower:]')
 case $osname in
cygwin* | mingw*) osname="windows" ;;
 esac
 echo "$osname"
}

# Create a symlink at 2ドル pointing to 1ドル on any platform. Anything that
# currently exists at 2ドル will be deleted.
symlink() {
 source="1ドル"
 dest="2ドル"
 rm -rf "$dest"
 case $OS in
windows) mklink /J "$dest" "$source" ;;
 *) ln -s "$source" "$dest" ;;
 esac
}

# VS Code bundles some modules into an asar which is an archive format that
# works like tar. It then seems to get unpacked into node_modules.asar.
#
# I don't know why they do this but all the dependencies they bundle already
# exist in node_modules so just symlink it. We have to do this since not only
# Code itself but also extensions will look specifically in this directory for
# files (like the ripgrep binary or the oniguruma wasm).
symlink_asar() {
 symlink node_modules node_modules.asar
}

# Make a symlink at bin/1ドル/3ドル pointing to the platform-specific version of the
# script in 2ドル. The extension of the link will be .cmd for Windows otherwise it
# will be whatever is in 4ドル (or no extension if 4ドル is not set).
symlink_bin_script() {
 oldpwd="$(pwd)"
 cd "bin/1ドル"
 source="2ドル"
 dest="3ドル"
 ext="${4-}"
 case $OS in
windows) symlink "$source.cmd" "$dest.cmd" ;;
 darwin | macos) symlink "$source-darwin.sh" "$dest$ext" ;;
 *) symlink "$source-linux.sh" "$dest$ext" ;;
 esac
 cd "$oldpwd"
}

command_exists() {
 if [ ! "1ドル" ]; then return 1; fi
command -v "$@" > /dev/null
}

is_root() {
 if command_exists id && [ "$(id -u)" = 0 ]; then
 return 0
 fi
 return 1
}

OS="$(os)"

main() {
 # Grabs the major version of node from $npm_config_user_agent which looks like
 # yarn/1.21.1 npm/? node/v14.2.0 darwin x64
 major_node_version=$(echo "$npm_config_user_agent" | sed -n 's/.*node\/v\([^.]*\).*/1円/p')

 if [ -n "${FORCE_NODE_VERSION:-}" ]; then
echo "WARNING: Overriding required Node.js version to v$FORCE_NODE_VERSION"
 echo "This could lead to broken functionality, and is unsupported."
 echo "USE AT YOUR OWN RISK!"
 fi

 if [ "$major_node_version" -ne "${FORCE_NODE_VERSION:-20}" ]; then
echo "ERROR: code-server currently requires node v20."
 if [ -n "$FORCE_NODE_VERSION" ]; then
echo "However, you have overrided the version check to use v$FORCE_NODE_VERSION."
 fi
echo "We have detected that you are on node v$major_node_version"
 echo "You can override this version check by setting \$FORCE_NODE_VERSION,"
 echo "but configurations that do not use the same node version are unsupported."
 exit 1
 fi

 # Under npm, if we are running as root, we need --unsafe-perm otherwise
 # post-install scripts will not have sufficient permissions to do their thing.
 if is_root; then
 case "${npm_config_user_agent-}" in npm*)
 if [ "${npm_config_unsafe_perm-}" != "true" ]; then
echo "Please pass --unsafe-perm to npm to install code-server"
 echo "Otherwise post-install scripts will not have permissions to run"
 echo "See https://docs.npmjs.com/misc/config#unsafe-perm"
 echo "See https://stackoverflow.com/questions/49084929/npm-sudo-global-installation-unsafe-perm"
 exit 1
 fi
 ;;
 esac
 fi

 if ! vscode_install; then
echo "You may not have the required dependencies to build the native modules."
 echo "Please see https://github.com/coder/code-server/blob/main/docs/npm.md"
 exit 1
 fi

 if [ -n "${FORCE_NODE_VERSION:-}" ]; then
echo "WARNING: The required Node.js version was overriden to v$FORCE_NODE_VERSION"
 echo "This could lead to broken functionality, and is unsupported."
 echo "USE AT YOUR OWN RISK!"
 fi
}

install_with_yarn_or_npm() {
 echo "User agent: ${npm_config_user_agent-none}"
 # For development we enforce npm, but for installing the package as an
 # end-user we want to keep using whatever package manager is in use.
 case "${npm_config_user_agent-}" in
npm*)
 if ! npm install --unsafe-perm --omit=dev; then
 return 1
 fi
 ;;
 yarn*)
 if ! yarn --production --frozen-lockfile --no-default-rc; then
 return 1
 fi
 ;;
 *)
 echo "Could not determine which package manager is being used to install code-server"
 exit 1
 ;;
 esac
 return 0
}

vscode_install() {
 echo 'Installing Code dependencies...'
 cd lib/vscode
 if ! install_with_yarn_or_npm; then
 return 1
 fi

symlink_asar
 symlink_bin_script remote-cli code code-server
 symlink_bin_script helpers browser browser .sh

 cd extensions
 if ! install_with_yarn_or_npm; then
 return 1
 fi

 return 0
}

main "$@"