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code-server/install.sh
2020-05-27 15:48:22 -04:00

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#!/bin/sh
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
To use latest:
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]
${curl_usage-}
- For Debian, Ubuntu, Raspbian it will install the latest deb package.
- For Fedora, CentOS, RHEL, openSUSE it will install the latest rpm package.
- For Arch Linux it will install the AUR package.
- For any unrecognized Linux operating system it will install the latest static release into ~/.local
- Add ~/.local/bin to your \$PATH to run code-server.
- For macOS it will install the Homebrew package.
- If Homebrew is not installed it will install the latest static release into ~/.local
- Add ~/.local/bin to your \$PATH to run code-server.
- If ran on an architecture with no binary releases, it will install the npm package with yarn or npm.
- We only have binary releases for amd64 and arm64 presently.
--dry-run Enables a dry run where where the steps that would have taken place
are printed but do not actually execute.
--version Pass to install a specific version instead of the latest release.
--static Forces the installation of a static release into ~/.local
This flag takes an optional argument for the installation prefix which defaults to "~/.local".
code-server will be unarchived into ~/.local/lib/code-server.X.X.X and the binary will be symlinked
into "~/.local/bin/code-server". You will need to add ~/.local/bin to your \$PATH to use it without
the full path.
To install system wide set the prefix to /usr/local.
EOF
}
echo_latest_version() {
# https://gist.github.com/lukechilds/a83e1d7127b78fef38c2914c4ececc3c#gistcomment-2758860
version="$(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"
}
echo_static_postinstall() {
echo
cat << EOF
Static release has been installed into $STATIC_INSTALL_PREFIX/lib/code-server-$VERSION
Please extend your path to use code-server:
PATH="$STATIC_INSTALL_PREFIX/bin:\$PATH"
Then you can run:
code-server
EOF
}
echo_systemd_postinstall() {
echo
cat << EOF
To have systemd start code-server now and restart on boot:
systemctl --user enable --now code-server
Or, if you don't want/need a background service you can run:
code-server
EOF
}
main() {
if [ "${TRACE-}" ]; then
set -x
fi
unset \
DRY_RUN \
STATIC \
STATIC_INSTALL_PREFIX \
SKIP_ECHO \
VERSION \
OPTIONAL
while [ "$#" -gt 0 ]; do
case "$1" in
--dry-run)
DRY_RUN=1
;;
--static)
STATIC=1
if [ "${2-}" ]; then
STATIC_INSTALL_PREFIX="$(OPTIONAL=1 parse_arg "$@")"
shift
fi
;;
--static=*)
STATIC=1
STATIC_INSTALL_PREFIX="$(OPTIONAL=1 parse_arg "$@")"
;;
--version)
VERSION="$(parse_arg "$@")"
shift
;;
--version=*)
VERSION="$(parse_arg "$@")"
;;
-h | --h | --help)
usage
exit 0
;;
*)
echoerr "Unknown flag $1"
echoerr "Run with --help to see usage."
exit 1
;;
esac
shift
done
VERSION="${VERSION-$(echo_latest_version)}"
STATIC_INSTALL_PREFIX="${STATIC_INSTALL_PREFIX-$HOME/.local}"
OS="$(os)"
if [ ! "$OS" ]; then
echoerr "Unsupported OS $(uname)."
exit 1
fi
distro_name
ARCH="$(arch)"
if [ ! "$ARCH" ]; then
if [ "${STATIC-}" ]; then
echoerr "No static releases available for the architecture $(uname -m)."
echoerr "Please rerun without the -s flag to install from npm."
exit 1
fi
install_npm
exit 0
fi
CACHE_DIR="$(echo_cache_dir)"
mkdir -p "$CACHE_DIR"
if [ "${STATIC-}" ]; then
install_static
return
fi
case "$(distro)" in
macos)
install_macos
;;
ubuntu | debian | raspbian)
install_deb
;;
centos | fedora | rhel | opensuse)
install_rpm
;;
arch)
install_arch
;;
*)
install_static
;;
esac
}
parse_arg() {
case "$1" in
*=*)
opt="${1#=*}"
optarg="${1#*=}"
if [ ! "$optarg" ] && [ ! "${OPTIONAL-}" ]; then
echoerr "$opt requires an argument"
echoerr "Run with --help to see usage."
exit 1
fi
echo "$optarg"
return
;;
esac
case "${2-}" in
"" | -*)
if [ ! "${OPTIONAL-}" ]; then
echoerr "$1 requires an argument"
echoerr "Run with --help to see usage."
exit 1
fi
;;
*)
echo "$2"
return
;;
esac
}
fetch() {
URL="$1"
FILE="$2"
if [ -e "$FILE" ]; then
echo
echo "+ Using cached $FILE from $URL"
return
fi
sh_c curl \
-#fL \
-Ro "$FILE.incomplete" \
-C - \
"$URL"
SKIP_ECHO=1 sh_c mv "$FILE.incomplete" "$FILE"
}
install_macos() {
if command_exists brew; then
echo "Installing from Homebrew."
sh_c brew install code-server
return
fi
echo "Homebrew is not installed so installing static release."
install_static
}
install_deb() {
echo "Installing v$VERSION deb package from GitHub releases."
fetch "https://github.com/cdr/code-server/releases/download/v$VERSION/code-server_${VERSION}_$ARCH.deb" "$CACHE_DIR/code-server_${VERSION}_$ARCH.deb"
sudo_sh_c dpkg -i "$CACHE_DIR/code-server_${VERSION}_$ARCH.deb"
echo_systemd_postinstall
}
install_rpm() {
echo "Installing v$VERSION rpm package from GitHub releases."
fetch "https://github.com/cdr/code-server/releases/download/v$VERSION/code-server-$VERSION-$ARCH.rpm" "$CACHE_DIR/code-server-$VERSION-$ARCH.rpm"
sudo_sh_c rpm -i "$CACHE_DIR/code-server-$VERSION-$ARCH.rpm"
echo_systemd_postinstall
}
install_aur() {
echo "Installing from the AUR."
fetch "https://aur.archlinux.org/cgit/aur.git/snapshot/code-server.tar.gz" "$CACHE_DIR/code-server-aur.tar.gz"
tmp_dir="$(mktemp -d)"
(
cd "$tmp_dir"
SKIP_ECHO=1 sh_c tar -xzf "$CACHE_DIR/code-server-aur.tar.gz" --strip-components 1
sh_c makepkg -si
)
rm -Rf "$tmp_dir"
echo_systemd_postinstall
}
install_static() {
STATIC_INSTALL_PREFIX=${STATIC_INSTALL_PREFIX-/usr/local/lib}
echo "Installing static release v$VERSION"
fetch "https://github.com/cdr/code-server/releases/download/v$VERSION/code-server-$VERSION-$OS-$ARCH.tar.gz" "$CACHE_DIR/code-server-$VERSION-$OS-$ARCH.tar.gz"
if [ ! -d "$STATIC_INSTALL_PREFIX" ]; then
echo
echoerr "Static release install prefix $STATIC_INSTALL_PREFIX does not exist"
exit 1
fi
sh_c="sh_c"
if [ ! -w "$STATIC_INSTALL_PREFIX" ]; then
sh_c="sudo_sh_c"
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
echo
echoerr "code-server-$VERSION is already installed at $STATIC_INSTALL_PREFIX/lib/code-server-$VERSION"
echoerr "Please remove it to reinstall."
exit 1
fi
"$sh_c" tar -C "$STATIC_INSTALL_PREFIX/lib" -xzf "$CACHE_DIR/code-server-$VERSION-$OS-$ARCH.tar.gz"
"$sh_c" mv -f "$STATIC_INSTALL_PREFIX/lib/code-server-$VERSION-$OS-$ARCH" "$STATIC_INSTALL_PREFIX/lib/code-server-$VERSION"
echo_static_postinstall
}
install_npm() {
echoerr "No precompiled releases for $(uname -m)."
if command_exists yarn; then
echo "Installing with yarn."
sh_c yarn global add code-server --unsafe-perm
return
elif command_exists npm; then
echo "Installing with npm."
sh_c npm install -g code-server --unsafe-perm
return
fi
echoerr
echoerr "Please install npm or yarn to install code-server!"
echoerr "You will need at least node v12 and a few C build dependencies."
echoerr "See the docs https://github.com/cdr/code-server#yarn-npm"
exit 1
}
os() {
case "$(uname)" in
Linux)
echo linux
;;
Darwin)
echo macos
;;
esac
}
# distro prints the detected operating system including linux distros.
#
# Example outputs:
# - macos
# - debian, ubuntu, raspbian
# - centos, fedora, rhel, opensuse
# - alpine
# - arch
#
# Inspired by https://github.com/docker/docker-install/blob/26ff363bcf3b3f5a00498ac43694bf1c7d9ce16c/install.sh#L111-L120.
distro() {
if [ "$(uname)" = "Darwin" ]; then
echo "macos"
return
fi
if [ -f /etc/os-release ]; then
(
. /etc/os-release
case "$ID" in opensuse-*)
# opensuse's ID's look like opensuse-leap and opensuse-tumbleweed.
echo "opensuse"
return
;;
esac
echo "$ID"
)
return
fi
}
# os_name prints a pretty human readable name for the OS/Distro.
distro_name() {
if [ "$(uname)" = "Darwin" ]; then
echo "macOS v$(sw_vers -productVersion)"
return
fi
if [ -f /etc/os-release ]; then
(
. /etc/os-release
echo "$PRETTY_NAME"
)
return
fi
# Prints something like: Linux 4.19.0-9-amd64
uname -sr
}
arch() {
case "$(uname -m)" in
aarch64)
echo arm64
;;
x86_64)
echo amd64
;;
esac
}
command_exists() {
command -v "$@" > /dev/null 2>&1
}
sh_c() {
if [ ! "${SKIP_ECHO-}" ]; then
echo
echo "+ $*"
fi
if [ ! "${DRY_RUN-}" ]; then
sh -c "$*"
fi
}
sudo_sh_c() {
if [ "$(id -u)" = 0 ]; then
sh_c "$@"
elif command_exists sudo; then
sh_c "sudo $*"
elif command_exists su; then
sh_c "su -c '$*'"
else
echo
echoerr "This script needs to run the following command as root."
echoerr " $*"
echoerr "Please run this script as root or install sudo or su."
exit 1
fi
}
echo_cache_dir() {
if [ "${XDG_CACHE_HOME-}" ]; then
echo "$XDG_CACHE_HOME/code-server"
elif [ "${HOME-}" ]; then
echo "$HOME/.cache/code-server"
else
echo "/tmp/code-server-cache"
fi
}
echoerr() {
echo "$@" >&2
}
main "$@"