code-server/install.sh

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2020-05-20 15:50:16 +07:00
#!/bin/sh
set -eu
VERSION=3.3.1
usage() {
cat << EOF
$0 [-d] [-s] [-p <static-install-prefix>]
Installs code-server on any macOS or Linux system.
If ran on Ubuntu, Debian or Raspbian then the GitHub releases v$VERSION
deb package will be fetched and installed.
If ran on Fedora, CentOS, RHEL or openSUSE then the GitHub releases v$VERSION
rpm package will be fetched and installed.
If ran on macOS and Homebrew is installed then the Homebrew code-server
package will be installed. However, if Homebrew is not installed then
v$VERSION of the macOS static release will be installed
into /usr/local/lib/code-server-$VERSION.
If ran on Arch Linux, then the code-server AUR package will be installed.
If ran on an unsupported architecture the npm package will be installed
with yarn or npm. Only amd64 and arm64 are currently supported.
If ran on any other Linux distro, v$VERSION of the linux static release
will be installed into /usr/local/lib/code-server-$VERSION.
-d Enables a dry run where where the steps that would have taken place
are printed but do not actually execute.
-s Forces the installation of a static release into /usr/local/lib/code-server-$VERSION
Set the -p flag to change the installation prefix from /usr/local/lib
-p Sets the installation prefix for a static release install.
EOF
exit 1
}
echo_static_postinstall() {
echo
cat << EOF
Static release has been installed into $STATIC_INSTALL_PREFIX/code-server-$VERSION
Please extend your path to use code-server:
PATH="$STATIC_INSTALL_PREFIX/code-server-$VERSION/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() {
unset DRY_RUN STATIC STATIC_INSTALL_PREFIX SKIP_LOG
while getopts ":dsp:h" opt; do
case "$opt" in
d) DRY_RUN=1 ;;
s) STATIC=1 ;;
p) STATIC_INSTALL_PREFIX="$OPTARG" ;;
h | ?) usage ;;
esac
done
shift $((OPTIND - 1))
OS="$(os)"
if [ ! "$OS" ]; then
echo "Unsupported OS $(uname)."
exit 1
fi
distro_name
ARCH="$(arch)"
if [ ! "$ARCH" ]; then
if [ "${STATIC-}" ]; then
echo "No static releases available for the architecture $(uname -m)."
echo "Please rerun without the -s flag to install from npm."
exit 1
fi
install_npm
exit 0
fi
CACHE_DIR="$(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
}
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
}
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 - \
"$URL"
mv "$FILE.incomplete" "$FILE"
}
install_deb() {
echo "Installing v$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-$ARCH.rpm"
echo_systemd_postinstall
}
install_arch() {
echo "Installing from the AUR."
fetch "https://aur.archlinux.org/cgit/aur.git/snapshot/code-server.tar.gz" "$CACHE_DIR/code-server-aur.tar.gz"
tmp_dir="$(mktemp -d)"
(
cd "$tmp_dir"
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
echo "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
"$sh_c" tar -C "$STATIC_INSTALL_PREFIX" -xzf "$CACHE_DIR/code-server-$VERSION-$OS-$ARCH.tar.gz"
# In case previously installed.
SKIP_LOG=1 "$sh_c" rm -Rf "$STATIC_INSTALL_PREFIX/code-server-$VERSION"
"$sh_c" mv -f "$STATIC_INSTALL_PREFIX/code-server-$VERSION-$OS-$ARCH" "$STATIC_INSTALL_PREFIX/code-server-$VERSION"
echo_static_postinstall
}
install_npm() {
echo "No precompiled releases for $(uname -m)."
if command_exists yarn; then
echo "Installing with yarn."
sh_c yarn global add code-server --unsafe-perm
return
elif command_exists npm; then
echo "Installing with npm."
sh_c npm install -g code-server --unsafe-perm
return
fi
echo
echo "Please install npm or yarn to install code-server!"
echo "You will need at least node v12 and a few C build dependencies."
echo "See the docs https://github.com/cdr/code-server#yarn-npm"
exit 1
}
os() {
case "$(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 [ "$(uname)" = "Darwin" ]; then
echo "macos"
return
fi
if [ ! -f /etc/os-release ]; then
return
fi
(
. /etc/os-release
case "$ID" in opensuse-*)
# opensuse's ID's look like opensuse-leap and opensuse-tumbleweed.
echo "opensuse"
return
;;
esac
echo "$ID"
)
}
# os_name prints a pretty human readable name for the OS/Distro.
distro_name() {
if [ "$(uname)" = "Darwin" ]; then
echo "macOS v$(sw_vers -productVersion)"
return
fi
if [ ! -f /etc/os-release ]; then
(
. /etc/os-release
echo "$PRETTY_NAME"
)
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_LOG-}" ]; 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
echo "This script needs to run the following command as root."
echo " $*"
echo "Please run this script as root or install sudo or su."
exit 1
fi
}
cache_dir() {
if [ "${XDG_CACHE_HOME-}" ]; then
echo "$XDG_CACHE_HOME/code-server"
elif [ "${HOME-}" ]; then
echo "$HOME/.cache/code-server"
else
echo "/tmp/code-server-cache"
fi
}
main "$@"