From 4441125bac733fd87fc7cd09aa0055ae1ece15dd Mon Sep 17 00:00:00 2001 From: cyhhao Date: Fri, 20 Jan 2023 17:15:13 +0800 Subject: [PATCH] add install.sh --- install.sh | 490 +++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 490 insertions(+) create mode 100755 install.sh diff --git a/install.sh b/install.sh new file mode 100755 index 0000000..e066862 --- /dev/null +++ b/install.sh @@ -0,0 +1,490 @@ +need_cmd() { + if ! check_cmd "$1"; then + err "need '$1' (command not found)" + fi +} + +check_cmd() { + command -v "$1" > /dev/null 2>&1 +} +assert_nz() { + if [ -z "$1" ]; then err "assert_nz $2"; fi +} + +# Run a command that should never fail. If the command fails execution +# will immediately terminate with an error showing the failing +# command. +ensure() { + if ! "$@"; then err "command failed: $*"; fi +} + +say() { + printf 'git3: %s\n' "$1" +} + +err() { + say "$1" >&2 + exit 1 +} + +check_help_for() { + local _arch + local _cmd + local _arg + _arch="$1" + shift + _cmd="$1" + shift + + local _category + if "$_cmd" --help | grep -q 'For all options use the manual or "--help all".'; then + _category="all" + else + _category="" + fi + + case "$_arch" in + + *darwin*) + if check_cmd sw_vers; then + case $(sw_vers -productVersion) in + 10.*) + # If we're running on macOS, older than 10.13, then we always + # fail to find these options to force fallback + if [ "$(sw_vers -productVersion | cut -d. -f2)" -lt 13 ]; then + # Older than 10.13 + echo "Warning: Detected macOS platform older than 10.13" + return 1 + fi + ;; + 11.*) + # We assume Big Sur will be OK for now + ;; + *) + # Unknown product version, warn and continue + echo "Warning: Detected unknown macOS major version: $(sw_vers -productVersion)" + echo "Warning TLS capabilities detection may fail" + ;; + esac + fi + ;; + + esac + + for _arg in "$@"; do + if ! "$_cmd" --help $_category | grep -q -- "$_arg"; then + return 1 + fi + done + + true # not strictly needed +} + +# Return strong TLS 1.2-1.3 cipher suites in OpenSSL or GnuTLS syntax. TLS 1.2 +# excludes non-ECDHE and non-AEAD cipher suites. DHE is excluded due to bad +# DH params often found on servers (see RFC 7919). Sequence matches or is +# similar to Firefox 68 ESR with weak cipher suites disabled via about:config. +# $1 must be openssl or gnutls. +get_strong_ciphersuites_for() { + if [ "$1" = "openssl" ]; then + # OpenSSL is forgiving of unknown values, no problems with TLS 1.3 values on versions that don't support it yet. + echo "TLS_AES_128_GCM_SHA256:TLS_CHACHA20_POLY1305_SHA256:TLS_AES_256_GCM_SHA384:ECDHE-ECDSA-AES128-GCM-SHA256:ECDHE-RSA-AES128-GCM-SHA256:ECDHE-ECDSA-CHACHA20-POLY1305:ECDHE-RSA-CHACHA20-POLY1305:ECDHE-ECDSA-AES256-GCM-SHA384:ECDHE-RSA-AES256-GCM-SHA384" + elif [ "$1" = "gnutls" ]; then + # GnuTLS isn't forgiving of unknown values, so this may require a GnuTLS version that supports TLS 1.3 even if wget doesn't. + # Begin with SECURE128 (and higher) then remove/add to build cipher suites. Produces same 9 cipher suites as OpenSSL but in slightly different order. + echo "SECURE128:-VERS-SSL3.0:-VERS-TLS1.0:-VERS-TLS1.1:-VERS-DTLS-ALL:-CIPHER-ALL:-MAC-ALL:-KX-ALL:+AEAD:+ECDHE-ECDSA:+ECDHE-RSA:+AES-128-GCM:+CHACHA20-POLY1305:+AES-256-GCM" + fi +} + +check_curl_for_retry_support() { + local _retry_supported="" + # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc. + if check_help_for "notspecified" "curl" "--retry"; then + _retry_supported="--retry 3" + fi + + RETVAL="$_retry_supported" + +} + +# Return cipher suite string specified by user, otherwise return strong TLS 1.2-1.3 cipher suites +# if support by local tools is detected. Detection currently supports these curl backends: +# GnuTLS and OpenSSL (possibly also LibreSSL and BoringSSL). Return value can be empty. +get_ciphersuites_for_curl() { + if [ -n "${RUSTUP_TLS_CIPHERSUITES-}" ]; then + # user specified custom cipher suites, assume they know what they're doing + RETVAL="$RUSTUP_TLS_CIPHERSUITES" + return + fi + + local _openssl_syntax="no" + local _gnutls_syntax="no" + local _backend_supported="yes" + if curl -V | grep -q ' OpenSSL/'; then + _openssl_syntax="yes" + elif curl -V | grep -iq ' LibreSSL/'; then + _openssl_syntax="yes" + elif curl -V | grep -iq ' BoringSSL/'; then + _openssl_syntax="yes" + elif curl -V | grep -iq ' GnuTLS/'; then + _gnutls_syntax="yes" + else + _backend_supported="no" + fi + + local _args_supported="no" + if [ "$_backend_supported" = "yes" ]; then + # "unspecified" is for arch, allows for possibility old OS using macports, homebrew, etc. + if check_help_for "notspecified" "curl" "--tlsv1.2" "--ciphers" "--proto"; then + _args_supported="yes" + fi + fi + + local _cs="" + if [ "$_args_supported" = "yes" ]; then + if [ "$_openssl_syntax" = "yes" ]; then + _cs=$(get_strong_ciphersuites_for "openssl") + elif [ "$_gnutls_syntax" = "yes" ]; then + _cs=$(get_strong_ciphersuites_for "gnutls") + fi + fi + + RETVAL="$_cs" +} + +# This wraps curl or wget. Try curl first, if not installed, +# use wget instead. +downloader() { + local _dld + local _ciphersuites + local _err + local _status + local _retry + if check_cmd curl; then + _dld=curl + elif check_cmd wget; then + _dld=wget + else + _dld='curl or wget' # to be used in error message of need_cmd + fi + + if [ "$1" = --check ]; then + need_cmd "$_dld" + elif [ "$_dld" = curl ]; then + check_curl_for_retry_support + _retry="$RETVAL" + get_ciphersuites_for_curl + _ciphersuites="$RETVAL" + if [ -n "$_ciphersuites" ]; then + _err=$(curl $_retry --proto '=https' --tlsv1.2 --ciphers "$_ciphersuites" --silent --show-error --fail --location "$1" --output "$2" 2>&1) + _status=$? + else + echo "Warning: Not enforcing strong cipher suites for TLS, this is potentially less secure" + if ! check_help_for "$3" curl --proto --tlsv1.2; then + echo "Warning: Not enforcing TLS v1.2, this is potentially less secure" + _err=$(curl $_retry --silent --show-error --fail --location "$1" --output "$2" 2>&1) + _status=$? + else + _err=$(curl $_retry --proto '=https' --tlsv1.2 --silent --show-error --fail --location "$1" --output "$2" 2>&1) + _status=$? + fi + fi + if [ -n "$_err" ]; then + echo "$_err" >&2 + if echo "$_err" | grep -q 404$; then + err "installer for platform '$3' not found, this may be unsupported" + fi + fi + return $_status + elif [ "$_dld" = wget ]; then + if [ "$(wget -V 2>&1|head -2|tail -1|cut -f1 -d" ")" = "BusyBox" ]; then + echo "Warning: using the BusyBox version of wget. Not enforcing strong cipher suites for TLS or TLS v1.2, this is potentially less secure" + _err=$(wget "$1" -O "$2" 2>&1) + _status=$? + else + get_ciphersuites_for_wget + _ciphersuites="$RETVAL" + if [ -n "$_ciphersuites" ]; then + _err=$(wget --https-only --secure-protocol=TLSv1_2 --ciphers "$_ciphersuites" "$1" -O "$2" 2>&1) + _status=$? + else + echo "Warning: Not enforcing strong cipher suites for TLS, this is potentially less secure" + if ! check_help_for "$3" wget --https-only --secure-protocol; then + echo "Warning: Not enforcing TLS v1.2, this is potentially less secure" + _err=$(wget "$1" -O "$2" 2>&1) + _status=$? + else + _err=$(wget --https-only --secure-protocol=TLSv1_2 "$1" -O "$2" 2>&1) + _status=$? + fi + fi + fi + if [ -n "$_err" ]; then + echo "$_err" >&2 + if echo "$_err" | grep -q ' 404 Not Found$'; then + err "installer for platform '$3' not found, this may be unsupported" + fi + fi + return $_status + else + err "Unknown downloader" # should not reach here + fi +} + +get_architecture() { + local _ostype _cputype _bitness _arch _clibtype + _ostype="$(uname -s)" + _cputype="$(uname -m)" + _clibtype="gnu" + + if [ "$_ostype" = Linux ]; then + if [ "$(uname -o)" = Android ]; then + _ostype=Android + fi + if ldd --version 2>&1 | grep -q 'musl'; then + _clibtype="musl" + fi + fi + + if [ "$_ostype" = Darwin ] && [ "$_cputype" = i386 ]; then + # Darwin `uname -m` lies + if sysctl hw.optional.x86_64 | grep -q ': 1'; then + _cputype=x86_64 + fi + fi + + if [ "$_ostype" = SunOS ]; then + # Both Solaris and illumos presently announce as "SunOS" in "uname -s" + # so use "uname -o" to disambiguate. We use the full path to the + # system uname in case the user has coreutils uname first in PATH, + # which has historically sometimes printed the wrong value here. + if [ "$(/usr/bin/uname -o)" = illumos ]; then + _ostype=illumos + fi + + # illumos systems have multi-arch userlands, and "uname -m" reports the + # machine hardware name; e.g., "i86pc" on both 32- and 64-bit x86 + # systems. Check for the native (widest) instruction set on the + # running kernel: + if [ "$_cputype" = i86pc ]; then + _cputype="$(isainfo -n)" + fi + fi + + case "$_ostype" in + + Android) + _ostype=linux-android + ;; + + Linux) + check_proc + _ostype=unknown-linux-$_clibtype + _bitness=$(get_bitness) + ;; + + FreeBSD) + _ostype=unknown-freebsd + ;; + + NetBSD) + _ostype=unknown-netbsd + ;; + + DragonFly) + _ostype=unknown-dragonfly + ;; + + Darwin) + _ostype=apple-darwin + ;; + + illumos) + _ostype=unknown-illumos + ;; + + MINGW* | MSYS* | CYGWIN* | Windows_NT) + _ostype=pc-windows-gnu + ;; + + *) + err "unrecognized OS type: $_ostype" + ;; + + esac + + case "$_cputype" in + + i386 | i486 | i686 | i786 | x86) + _cputype=i686 + ;; + + xscale | arm) + _cputype=arm + if [ "$_ostype" = "linux-android" ]; then + _ostype=linux-androideabi + fi + ;; + + armv6l) + _cputype=arm + if [ "$_ostype" = "linux-android" ]; then + _ostype=linux-androideabi + else + _ostype="${_ostype}eabihf" + fi + ;; + + armv7l | armv8l) + _cputype=armv7 + if [ "$_ostype" = "linux-android" ]; then + _ostype=linux-androideabi + else + _ostype="${_ostype}eabihf" + fi + ;; + + aarch64 | arm64) + _cputype=aarch64 + ;; + + x86_64 | x86-64 | x64 | amd64) + _cputype=x86_64 + ;; + + mips) + _cputype=$(get_endianness mips '' el) + ;; + + mips64) + if [ "$_bitness" -eq 64 ]; then + # only n64 ABI is supported for now + _ostype="${_ostype}abi64" + _cputype=$(get_endianness mips64 '' el) + fi + ;; + + ppc) + _cputype=powerpc + ;; + + ppc64) + _cputype=powerpc64 + ;; + + ppc64le) + _cputype=powerpc64le + ;; + + s390x) + _cputype=s390x + ;; + riscv64) + _cputype=riscv64gc + ;; + *) + err "unknown CPU type: $_cputype" + + esac + + # Detect 64-bit linux with 32-bit userland + if [ "${_ostype}" = unknown-linux-gnu ] && [ "${_bitness}" -eq 32 ]; then + case $_cputype in + x86_64) + if [ -n "${RUSTUP_CPUTYPE:-}" ]; then + _cputype="$RUSTUP_CPUTYPE" + else { + # 32-bit executable for amd64 = x32 + if is_host_amd64_elf; then { + echo "This host is running an x32 userland; as it stands, x32 support is poor," 1>&2 + echo "and there isn't a native toolchain -- you will have to install" 1>&2 + echo "multiarch compatibility with i686 and/or amd64, then select one" 1>&2 + echo "by re-running this script with the RUSTUP_CPUTYPE environment variable" 1>&2 + echo "set to i686 or x86_64, respectively." 1>&2 + echo 1>&2 + echo "You will be able to add an x32 target after installation by running" 1>&2 + echo " rustup target add x86_64-unknown-linux-gnux32" 1>&2 + exit 1 + }; else + _cputype=i686 + fi + }; fi + ;; + mips64) + _cputype=$(get_endianness mips '' el) + ;; + powerpc64) + _cputype=powerpc + ;; + aarch64) + _cputype=armv7 + if [ "$_ostype" = "linux-android" ]; then + _ostype=linux-androideabi + else + _ostype="${_ostype}eabihf" + fi + ;; + riscv64gc) + err "riscv64 with 32-bit userland unsupported" + ;; + esac + fi + + # Detect armv7 but without the CPU features Rust needs in that build, + # and fall back to arm. + # See https://github.com/rust-lang/rustup.rs/issues/587. + if [ "$_ostype" = "unknown-linux-gnueabihf" ] && [ "$_cputype" = armv7 ]; then + if ensure grep '^Features' /proc/cpuinfo | grep -q -v neon; then + # At least one processor does not have NEON. + _cputype=arm + fi + fi + + _arch="${_cputype}-${_ostype}" + + RETVAL="$_arch" + eval 'CPU_TYPE="$_cputype"; OS_TYPE="$(uname -s)"' +} + +main() { + downloader --check + need_cmd uname + need_cmd chmod + need_cmd mkdir + + get_architecture || return 1 + local _arch="$RETVAL" + assert_nz "$_arch" "arch" + + local _dir + local _suffix + local _url="https://github.com/git3protocol/git3-cli/releases/latest/download" + if [ "$OS_TYPE" = Darwin ]; then + _dir="/usr/local/bin" + _suffix="macos" + elif [ "$OS_TYPE" = Windows ]; then + _dir="/usr/local/bin" + _suffix="win.exe" + elif [ "$OS_TYPE" = Linux ]; then + _dir="/usr/local/bin" + _suffix="linux" + else + err "unsupported OS type: $OS_TYPE" + fi + + echo "Installing git3 for ${_arch}..." + + + ensure downloader "${_url}/git-remote-git3-${_suffix}" "${_dir}/git-remote-git3" "${_arch}" + echo "git-remote-git3 downloaded successfully" + + ensure downloader "${_url}/git3-${_suffix}" "${_dir}/git3" "${_arch}" + echo "git3 downloaded successfully" + + ensure chmod +x "${_dir}/git-remote-git3" + ensure chmod +x "${_dir}/git3" + + echo "git3 installed successfully" +} + +main "$@" || exit 1 \ No newline at end of file