Minor fixes for install.sh and bundle in libstdc++

Closes #1706

README.md

@@ -29,6 +29,8 @@ curl -fsSL https://code-server.dev/install.sh | sh
 ```
 $ curl -fsSL https://code-server.dev/install.sh | sh  -s -- --dry-run --help
 
+$0 [--dry-run] [--version X.X.X] [--static <install-prefix>=~/.local]
+
 Installs latest code-server on any macOS or Linux system preferring to use the OS package manager.
 
   curl -fsSL https://code-server.dev/install.sh | sh -s --
@@ -37,29 +39,29 @@ Installs latest code-server on any macOS or Linux system preferring to use the O
 - For Fedora, CentOS, RHEL, openSUSE it will install the latest rpm package.
 - For Arch Linux it will install the AUR package.
 - For any unrecognized Linux operating system it will install the latest static release into ~/.local
-  - Add ~/.local/bin to your $PATH to run code-server.
+  - Add ~/.local/bin to your \$PATH to run code-server.
 
 - For macOS it will install the Homebrew package.
   - If Homebrew is not installed it will install the latest static release into ~/.local
-  - Add ~/.local/bin to your $PATH to run code-server.
+  - Add ~/.local/bin to your \$PATH to run code-server.
 
-- If ran on an architecture with no binary releases or outdated libc/libcxx, it will install the
+- If ran on an architecture with no binary releases or glibc < v2.17, it will install the
   npm package with yarn or npm.
   - We only have binary releases for amd64 and arm64 presently.
 
     --dry-run Enables a dry run where where the steps that would have taken place
               are printed but do not actually execute.
 
+    --version Pass to install a specific version instead of the latest release.
+
     --static  Forces the installation of a static release into ~/.local
 
               This flag takes an optional argument for the installation prefix which defaults to "~/.local".
               code-server will be unarchived into ~/.local/lib/code-server.X.X.X and the binary will be symlinked
-              into "~/.local/bin/code-server". You will need to add ~/.local/bin to your $PATH to use it without
+              into "~/.local/bin/code-server". You will need to add ~/.local/bin to your \$PATH to use it without
               the full path.
 
               To install system wide set the prefix to /usr/local.
-
-    --version Pass to install a specific version instead of the latest release.
 ```
 
 If you still don't trust our install script, even with the above explaination and the dry run, we have

ci/build/build-static-release.sh

@@ -16,7 +16,8 @@ main() {
 
   mkdir -p "$RELEASE_PATH/bin"
   rsync ./ci/build/code-server.sh "$RELEASE_PATH/bin/code-server"
-  rsync "$node_path" "$RELEASE_PATH/lib/node"
+
+  g++ -Wl,--allow-multiple-definition "$node_path" -static-libstdc++ -static-libgcc -o "$RELEASE_PATH/lib/node"
 
   ln -s "./bin/code-server" "$RELEASE_PATH/code-server"
   ln -s "./lib/node" "$RELEASE_PATH/node"

doc/install.md

@@ -64,8 +64,7 @@ systemctl --user enable --now code-server
 We recommend installing with `yarn` or `npm` if:
 
 1. We don't have a precompiled release for your machine's platform or architecture.
-2. libc < v2.19
-3. libcxx < 3.4.20
+2. glibc < v2.17.
 
 **note:** Installing via `yarn` or `npm` builds native modules on install and so requires C dependencies.
 See [./doc/npm.md](./doc/npm.md) for installing these dependencies.

install.sh

@@ -2,13 +2,28 @@
 set -eu
 
 usage() {
+  cli="$0"
+  if [ "$0" = sh ]; then
+    cli="curl -fsSL https://code-server.dev/install.sh | sh -s --"
+  else
+    curl_usage="$(
       cat << EOF
-$0 [--dry-run] [--version X.X.X] [--static <install-prefix>=~/.local]
 
-Installs latest code-server on any macOS or Linux system preferring to use the OS package manager.
+To use latest:
 
-  curl -fsSL https://code-server.dev/install.sh | sh -s --
+  curl -fsSL https://code-server.dev/install.sh | sh -s -- <args>
+EOF
+    )"$"\n"
+  fi
+  cat << EOF
+Installs latest code-server on Linux or macOS preferring to use the system package manager.
 
+Lives at https://code-server.dev/install.sh
+
+Usage:
+
+  $cli [--dry-run] [--version X.X.X] [--static <install-prefix>=~/.local]
+${curl_usage-}
 - For Debian, Ubuntu, Raspbian it will install the latest deb package.
 - For Fedora, CentOS, RHEL, openSUSE it will install the latest rpm package.
 - For Arch Linux it will install the AUR package.
@@ -19,8 +34,7 @@ Installs latest code-server on any macOS or Linux system preferring to use the O
   - If Homebrew is not installed it will install the latest static release into ~/.local
   - Add ~/.local/bin to your \$PATH to run code-server.
 
-- If ran on an architecture with no binary releases or outdated libc/libcxx, it will install the
-  npm package with yarn or npm.
+- If ran on an architecture with no binary releases, it will install the npm package with yarn or npm.
   - We only have binary releases for amd64 and arm64 presently.
 
     --dry-run Enables a dry run where where the steps that would have taken place
@@ -40,9 +54,9 @@ EOF
 }
 
 echo_latest_version() {
-  version="$(curl -fsSL https://api.github.com/repos/cdr/code-server/releases/latest | jq -r .tag_name)"
-  # Strip leading v.
-  version="${version:1}"
+  # https://gist.github.com/lukechilds/a83e1d7127b78fef38c2914c4ececc3c#gistcomment-2758860
+  version="$(curl -fsSLI -o /dev/null -w "%{url_effective}" https://github.com/cdr/code-server/releases/latest)"
+  version="${version#https://github.com/cdr/code-server/releases/tag/v}"
   echo "$version"
 }
 
@@ -172,7 +186,7 @@ parse_arg() {
   *=*)
     opt="${1#=*}"
     optarg="${1#*=}"
-    if [ ! "$optarg" -a ! "${OPTIONAL-}" ]; then
+    if [ ! "$optarg" ] && [ ! "${OPTIONAL-}" ]; then
       echoerr "$opt requires an argument"
       echoerr "Run with --help to see usage."
       exit 1
@@ -183,7 +197,7 @@ parse_arg() {
   esac
 
   case "${2-}" in
-  "" | -* | --*)
+  "" | -*)
     if [ ! "${OPTIONAL-}" ]; then
       echoerr "$1 requires an argument"
       echoerr "Run with --help to see usage."
@@ -282,7 +296,7 @@ install_static() {
   fi
   SKIP_ECHO=1 sh_c mkdir -p "$STATIC_INSTALL_PREFIX/lib" "$STATIC_INSTALL_PREFIX/bin"
 
-  if [[ -e "$STATIC_INSTALL_PREFIX/lib/code-server-$VERSION" ]]; then
+  if [ -e "$STATIC_INSTALL_PREFIX/lib/code-server-$VERSION" ]; then
     echo
     echoerr "code-server-$VERSION is already installed at $STATIC_INSTALL_PREFIX/lib/code-server-$VERSION"
     echoerr "Please remove it to reinstall."
@@ -339,10 +353,7 @@ distro() {
     return
   fi
 
-  if [ ! -f /etc/os-release ]; then
-    return
-  fi
-
+  if [ -f /etc/os-release ]; then
     (
       . /etc/os-release
       case "$ID" in opensuse-*)
@@ -354,6 +365,8 @@ distro() {
 
       echo "$ID"
     )
+    return
+  fi
 }
 
 # os_name prints a pretty human readable name for the OS/Distro.
@@ -363,11 +376,12 @@ distro_name() {
     return
   fi
 
-  if [ ! -f /etc/os-release ]; then
+  if [ -f /etc/os-release ]; then
     (
       . /etc/os-release
       echo "$PRETTY_NAME"
     )
+    return
   fi
 
   # Prints something like: Linux 4.19.0-9-amd64