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Add install.sh
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‎install.sh‎

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#!/bin/sh
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set -e
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# Code generated by godownloader on 2020-08-12T16:16:22Z. DO NOT EDIT.
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#
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usage() {
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this=$1
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cat <<EOF
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$this: download go binaries for cosmtrek/air
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Usage: $this [-b] bindir [-d] [tag]
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-b sets bindir or installation directory, Defaults to ./bin
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-d turns on debug logging
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[tag] is a tag from
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https://github.com/cosmtrek/air/releases
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If tag is missing, then the latest will be used.
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Generated by godownloader
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https://github.com/goreleaser/godownloader
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EOF
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exit 2
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}
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parse_args() {
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#BINDIR is ./bin unless set be ENV
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# over-ridden by flag below
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BINDIR=${BINDIR:-./bin}
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while getopts "b:dh?x" arg; do
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case "$arg" in
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b) BINDIR="$OPTARG" ;;
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d) log_set_priority 10 ;;
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h | \?) usage "$0" ;;
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x) set -x ;;
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esac
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done
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shift $((OPTIND - 1))
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TAG=$1
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}
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# this function wraps all the destructive operations
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# if a curl|bash cuts off the end of the script due to
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# network, either nothing will happen or will syntax error
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# out preventing half-done work
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execute() {
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tmpdir=$(mktemp -d)
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log_debug "downloading files into ${tmpdir}"
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http_download "${tmpdir}/${TARBALL}" "${TARBALL_URL}"
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http_download "${tmpdir}/${CHECKSUM}" "${CHECKSUM_URL}"
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hash_sha256_verify "${tmpdir}/${TARBALL}" "${tmpdir}/${CHECKSUM}"
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srcdir="${tmpdir}"
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(cd "${tmpdir}" && untar "${TARBALL}")
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test ! -d "${BINDIR}" && install -d "${BINDIR}"
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for binexe in $BINARIES; do
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if [ "$OS" = "windows" ]; then
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binexe="${binexe}.exe"
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fi
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install "${srcdir}/${binexe}" "${BINDIR}/"
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log_info "installed ${BINDIR}/${binexe}"
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done
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rm -rf "${tmpdir}"
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}
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get_binaries() {
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case "$PLATFORM" in
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darwin/amd64) BINARIES="air" ;;
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linux/386) BINARIES="air" ;;
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linux/amd64) BINARIES="air" ;;
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windows/386) BINARIES="air" ;;
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windows/amd64) BINARIES="air" ;;
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*)
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log_crit "platform $PLATFORM is not supported. Make sure this script is up-to-date and file request at https://github.com/${PREFIX}/issues/new"
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exit 1
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;;
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esac
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}
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tag_to_version() {
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if [ -z "${TAG}" ]; then
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log_info "checking GitHub for latest tag"
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else
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log_info "checking GitHub for tag '${TAG}'"
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fi
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REALTAG=$(github_release "$OWNER/$REPO" "${TAG}") && true
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if test -z "$REALTAG"; then
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log_crit "unable to find '${TAG}' - use 'latest' or see https://github.com/${PREFIX}/releases for details"
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exit 1
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fi
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# if version starts with 'v', remove it
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TAG="$REALTAG"
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VERSION=${TAG#v}
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}
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adjust_format() {
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# change format (tar.gz or zip) based on OS
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true
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}
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adjust_os() {
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# adjust archive name based on OS
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true
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}
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adjust_arch() {
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# adjust archive name based on ARCH
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true
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}
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cat /dev/null <<EOF
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------------------------------------------------------------------------
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https://github.com/client9/shlib - portable posix shell functions
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Public domain - http://unlicense.org
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https://github.com/client9/shlib/blob/master/LICENSE.md
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but credit (and pull requests) appreciated.
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------------------------------------------------------------------------
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EOF
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is_command() {
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command -v "$1" >/dev/null
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}
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echoerr() {
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echo "$@" 1>&2
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}
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log_prefix() {
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echo "$0"
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}
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_logp=6
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log_set_priority() {
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_logp="$1"
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}
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log_priority() {
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if test -z "$1"; then
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echo "$_logp"
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return
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fi
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[ "$1" -le "$_logp" ]
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}
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log_tag() {
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case $1 in
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0) echo "emerg" ;;
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1) echo "alert" ;;
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2) echo "crit" ;;
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3) echo "err" ;;
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4) echo "warning" ;;
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5) echo "notice" ;;
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6) echo "info" ;;
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7) echo "debug" ;;
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*) echo "$1" ;;
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esac
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}
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log_debug() {
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log_priority 7 || return 0
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echoerr "$(log_prefix)" "$(log_tag 7)" "$@"
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}
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log_info() {
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log_priority 6 || return 0
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echoerr "$(log_prefix)" "$(log_tag 6)" "$@"
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}
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log_err() {
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log_priority 3 || return 0
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echoerr "$(log_prefix)" "$(log_tag 3)" "$@"
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}
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log_crit() {
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log_priority 2 || return 0
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echoerr "$(log_prefix)" "$(log_tag 2)" "$@"
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}
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uname_os() {
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os=$(uname -s | tr '[:upper:]' '[:lower:]')
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case "$os" in
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cygwin_nt*) os="windows" ;;
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mingw*) os="windows" ;;
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msys_nt*) os="windows" ;;
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esac
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echo "$os"
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}
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uname_arch() {
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arch=$(uname -m)
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case $arch in
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x86_64) arch="amd64" ;;
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x86) arch="386" ;;
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i686) arch="386" ;;
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i386) arch="386" ;;
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aarch64) arch="arm64" ;;
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armv5*) arch="armv5" ;;
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armv6*) arch="armv6" ;;
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armv7*) arch="armv7" ;;
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esac
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echo ${arch}
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}
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uname_os_check() {
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os=$(uname_os)
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case "$os" in
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darwin) return 0 ;;
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dragonfly) return 0 ;;
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freebsd) return 0 ;;
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linux) return 0 ;;
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android) return 0 ;;
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nacl) return 0 ;;
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netbsd) return 0 ;;
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openbsd) return 0 ;;
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plan9) return 0 ;;
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solaris) return 0 ;;
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windows) return 0 ;;
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esac
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log_crit "uname_os_check '$(uname -s)' got converted to '$os' which is not a GOOS value. Please file bug at https://github.com/client9/shlib"
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return 1
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}
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uname_arch_check() {
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arch=$(uname_arch)
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case "$arch" in
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386) return 0 ;;
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amd64) return 0 ;;
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arm64) return 0 ;;
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armv5) return 0 ;;
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armv6) return 0 ;;
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armv7) return 0 ;;
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ppc64) return 0 ;;
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ppc64le) return 0 ;;
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mips) return 0 ;;
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mipsle) return 0 ;;
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mips64) return 0 ;;
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mips64le) return 0 ;;
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s390x) return 0 ;;
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amd64p32) return 0 ;;
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esac
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log_crit "uname_arch_check '$(uname -m)' got converted to '$arch' which is not a GOARCH value. Please file bug report at https://github.com/client9/shlib"
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return 1
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}
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untar() {
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tarball=$1
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case "${tarball}" in
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*.tar.gz | *.tgz) tar --no-same-owner -xzf "${tarball}" ;;
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*.tar) tar --no-same-owner -xf "${tarball}" ;;
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*.zip) unzip "${tarball}" ;;
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*)
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log_err "untar unknown archive format for ${tarball}"
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return 1
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;;
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esac
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}
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http_download_curl() {
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local_file=$1
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source_url=$2
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header=$3
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if [ -z "$header" ]; then
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code=$(curl -w '%{http_code}' -sL -o "$local_file" "$source_url")
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else
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code=$(curl -w '%{http_code}' -sL -H "$header" -o "$local_file" "$source_url")
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fi
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if [ "$code" != "200" ]; then
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log_debug "http_download_curl received HTTP status $code"
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return 1
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fi
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return 0
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}
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http_download_wget() {
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local_file=$1
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source_url=$2
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header=$3
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if [ -z "$header" ]; then
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wget -q -O "$local_file" "$source_url"
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else
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wget -q --header "$header" -O "$local_file" "$source_url"
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fi
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}
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http_download() {
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log_debug "http_download $2"
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if is_command curl; then
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http_download_curl "$@"
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return
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elif is_command wget; then
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http_download_wget "$@"
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return
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fi
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log_crit "http_download unable to find wget or curl"
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return 1
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}
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http_copy() {
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tmp=$(mktemp)
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http_download "${tmp}" "$1" "$2" || return 1
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body=$(cat "$tmp")
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rm -f "${tmp}"
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echo "$body"
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}
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github_release() {
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owner_repo=$1
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version=$2
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test -z "$version" && version="latest"
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giturl="https://github.com/${owner_repo}/releases/${version}"
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json=$(http_copy "$giturl" "Accept:application/json")
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test -z "$json" && return 1
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version=$(echo "$json" | tr -s '\n' ' ' | sed 's/.*"tag_name":"//' | sed 's/".*//')
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test -z "$version" && return 1
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echo "$version"
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}
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hash_sha256() {
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TARGET=${1:-/dev/stdin}
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if is_command gsha256sum; then
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hash=$(gsha256sum "$TARGET") || return 1
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echo "$hash" | cut -d ' ' -f 1
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elif is_command sha256sum; then
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hash=$(sha256sum "$TARGET") || return 1
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echo "$hash" | cut -d ' ' -f 1
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elif is_command shasum; then
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hash=$(shasum -a 256 "$TARGET" 2>/dev/null) || return 1
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echo "$hash" | cut -d ' ' -f 1
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elif is_command openssl; then
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hash=$(openssl -dst openssl dgst -sha256 "$TARGET") || return 1
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echo "$hash" | cut -d ' ' -f a
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else
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log_crit "hash_sha256 unable to find command to compute sha-256 hash"
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return 1
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fi
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}
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hash_sha256_verify() {
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TARGET=$1
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checksums=$2
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if [ -z "$checksums" ]; then
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log_err "hash_sha256_verify checksum file not specified in arg2"
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return 1
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fi
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BASENAME=${TARGET##*/}
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want=$(grep "${BASENAME}" "${checksums}" 2>/dev/null | tr '\t' ' ' | cut -d ' ' -f 1)
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if [ -z "$want" ]; then
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log_err "hash_sha256_verify unable to find checksum for '${TARGET}' in '${checksums}'"
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return 1
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fi
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got=$(hash_sha256 "$TARGET")
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if [ "$want" != "$got" ]; then
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log_err "hash_sha256_verify checksum for '$TARGET' did not verify ${want} vs $got"
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return 1
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fi
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}
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cat /dev/null <<EOF
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------------------------------------------------------------------------
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End of functions from https://github.com/client9/shlib
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------------------------------------------------------------------------
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EOF
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PROJECT_NAME="air"
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OWNER=cosmtrek
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REPO="air"
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BINARY=air
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FORMAT=tar.gz
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OS=$(uname_os)
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ARCH=$(uname_arch)
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PREFIX="$OWNER/$REPO"
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# use in logging routines
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log_prefix() {
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echo "$PREFIX"
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}
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PLATFORM="${OS}/${ARCH}"
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GITHUB_DOWNLOAD=https://github.com/${OWNER}/${REPO}/releases/download
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uname_os_check "$OS"
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uname_arch_check "$ARCH"
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parse_args "$@"
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get_binaries
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tag_to_version
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adjust_format
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adjust_os
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adjust_arch
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log_info "found version: ${VERSION} for ${TAG}/${OS}/${ARCH}"
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NAME=${PROJECT_NAME}_${VERSION}_${OS}_${ARCH}
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TARBALL=${NAME}.${FORMAT}
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TARBALL_URL=${GITHUB_DOWNLOAD}/${TAG}/${TARBALL}
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CHECKSUM=${PROJECT_NAME}_${VERSION}_checksums.txt
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CHECKSUM_URL=${GITHUB_DOWNLOAD}/${TAG}/${CHECKSUM}
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execute

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