726 строки
18 KiB
Bash
726 строки
18 KiB
Bash
#!/bin/sh
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# note: we require errors to propagate (don't set -e)
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# Copyright © 2022 Docker, Inc.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -u
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PROJECT_NAME="docker-index"
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OWNER=docker
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REPO="index-cli-plugin"
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GITHUB_DOWNLOAD_PREFIX=https://github.com/${OWNER}/${REPO}/releases/download
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INSTALL_SH_BASE_URL=https://raw.githubusercontent.com/${OWNER}/${REPO}
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BINARY="docker-index"
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DOCKER_HOME=${DOCKER_HOME:-~/.docker}
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DEFAULT_INSTALL_DIR=${DOCKER_HOME}/cli-plugins
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PROGRAM_ARGS=$@
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# do not change the name of this parameter (this must always be backwards compatible)
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DOWNLOAD_TAG_INSTALL_SCRIPT=${DOWNLOAD_TAG_INSTALL_SCRIPT:-true}
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#
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# usage [script-name]
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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 ${OWNER}/${REPO}
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Usage: $this [-b] dir [-d] [tag]
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-b the installation directory (defaults to ${DEFAULT_INSTALL_DIR})
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-d turns on debug logging
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-dd turns on trace logging
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[tag] the specific release to use (if missing, then the latest will be used)
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EOF
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exit 2
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)
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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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is_command() (
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command -v "$1" >/dev/null
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)
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echo_stderr() (
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echo "$@" 1>&2
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)
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_logp=2
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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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init_colors() {
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RED=''
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BLUE=''
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PURPLE=''
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BOLD=''
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RESET=''
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# check if stdout is a terminal
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if test -t 1 && is_command tput; then
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# see if it supports colors
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ncolors=$(tput colors)
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if test -n "$ncolors" && test $ncolors -ge 8; then
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RED='\033[0;31m'
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BLUE='\033[0;34m'
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PURPLE='\033[0;35m'
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BOLD='\033[1m'
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RESET='\033[0m'
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fi
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fi
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}
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init_colors
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log_tag() (
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case $1 in
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0) echo "${RED}${BOLD}[error]${RESET}" ;;
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1) echo "${RED}[warn]${RESET}" ;;
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2) echo "[info]${RESET}" ;;
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3) echo "${BLUE}[debug]${RESET}" ;;
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4) echo "${PURPLE}[trace]${RESET}" ;;
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*) echo "[$1]" ;;
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esac
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)
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log_trace_priority=4
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log_trace() (
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priority=$log_trace_priority
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log_priority "$priority" || return 0
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echo_stderr "$(log_tag $priority)" "${@}" "${RESET}"
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)
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log_debug_priority=3
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log_debug() (
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priority=$log_debug_priority
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log_priority "$priority" || return 0
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echo_stderr "$(log_tag $priority)" "${@}" "${RESET}"
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)
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log_info_priority=2
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log_info() (
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priority=$log_info_priority
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log_priority "$priority" || return 0
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echo_stderr "$(log_tag $priority)" "${@}" "${RESET}"
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)
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log_warn_priority=1
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log_warn() (
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priority=$log_warn_priority
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log_priority "$priority" || return 0
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echo_stderr "$(log_tag $priority)" "${@}" "${RESET}"
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)
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log_err_priority=0
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log_err() (
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priority=$log_err_priority
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log_priority "$priority" || return 0
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echo_stderr "$(log_tag $priority)" "${@}" "${RESET}"
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)
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uname_os_check() (
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os=$1
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case "$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_err "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=$1
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case "$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_err "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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unpack() (
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archive=$1
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log_trace "unpack(archive=${archive})"
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case "${archive}" in
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*.tar.gz | *.tgz) tar --no-same-owner -xzf "${archive}" ;;
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*.tar) tar --no-same-owner -xf "${archive}" ;;
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*.zip) unzip -q "${archive}" ;;
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*.dmg) extract_from_dmg "${archive}" ;;
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*)
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log_err "unpack unknown archive format for ${archive}"
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return 1
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;;
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esac
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)
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extract_from_dmg() (
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dmg_file=$1
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mount_point="/Volumes/tmp-dmg"
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hdiutil attach -quiet -nobrowse -mountpoint "${mount_point}" "${dmg_file}"
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cp -fR "${mount_point}/." ./
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hdiutil detach -quiet -force "${mount_point}"
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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=$3
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log_trace "http_download_curl(local_file=$local_file, source_url=$source_url, header=$header)"
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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 [ "$code" != "200" ]; then
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log_err "received HTTP status=$code for url='$source_url'"
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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=$3
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log_trace "http_download_wget(local_file=$local_file, source_url=$source_url, header=$header)"
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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(url=$2)"
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if is_command curl; then
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http_download_curl "$@"
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return
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elif is_command wget; then
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http_download_wget "$@"
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return
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fi
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log_err "http_download unable to find wget or curl"
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return 1
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)
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http_copy() (
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tmp=$(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 "$body"
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)
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hash_sha256() (
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TARGET=${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_err "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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# ------------------------------------------------------------------------
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# End of functions from https://github.com/client9/shlib
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# ------------------------------------------------------------------------
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# asset_file_exists [path]
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#
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# returns 1 if the given file does not exist
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#
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asset_file_exists() (
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path="$1"
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if [ ! -f "${path}" ]; then
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return 1
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fi
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)
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# github_release_json [owner] [repo] [version]
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#
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# outputs release json string
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#
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github_release_json() (
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owner=$1
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repo=$2
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version=$3
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test -z "$version" && version="latest"
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giturl="https://github.com/${owner}/${repo}/releases/${version}"
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json=$(http_copy "$giturl" "Accept:application/json")
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log_trace "github_release_json(owner=${owner}, repo=${repo}, version=${version}) returned '${json}'"
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test -z "$json" && return 1
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echo "${json}"
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)
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# extract_value [key-value-pair]
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#
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# outputs value from a colon delimited key-value pair
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#
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extract_value() (
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key_value="$1"
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IFS=':' read -r _ value << EOF
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${key_value}
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EOF
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echo "$value"
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)
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# extract_json_value [json] [key]
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#
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# outputs value of the key from the given json string
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#
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extract_json_value() (
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json="$1"
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key="$2"
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key_value=$(echo "${json}" | grep -o "\"$key\":[^,]*[,}]" | tr -d '",}')
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extract_value "$key_value"
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)
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# github_release_tag [release-json]
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#
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# outputs release tag string
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#
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github_release_tag() (
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json="$1"
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tag=$(extract_json_value "${json}" "tag_name")
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test -z "$tag" && return 1
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echo "$tag"
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)
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# download_github_release_checksums [release-url-prefix] [name] [version] [output-dir]
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#
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# outputs path to the downloaded checksums file
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#
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download_github_release_checksums() (
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download_url="$1"
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name="$2"
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version="$3"
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output_dir="$4"
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log_trace "download_github_release_checksums(url=${download_url}, name=${name}, version=${version}, output_dir=${output_dir})"
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checksum_filename=${name}_${version}_checksums.txt
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checksum_url=${download_url}/${checksum_filename}
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output_path="${output_dir}/${checksum_filename}"
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http_download "${output_path}" "${checksum_url}" ""
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asset_file_exists "${output_path}"
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log_trace "download_github_release_checksums() returned '${output_path}'"
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echo "${output_path}"
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)
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# search_for_asset [checksums-file-path] [name] [os] [arch] [format]
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#
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# outputs name of the asset to download
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#
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search_for_asset() (
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checksum_path="$1"
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name="$2"
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os="$3"
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arch="$4"
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format="$5"
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log_trace "search_for_asset(checksum-path=${checksum_path}, name=${name}, os=${os}, arch=${arch}, format=${format})"
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asset_glob="${name}_.*_${os}_${arch}.${format}"
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output_path=$(grep -o "${asset_glob}" "${checksum_path}" || true)
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log_trace "search_for_asset() returned '${output_path}'"
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echo "${output_path}"
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)
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# uname_os
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#
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# outputs an adjusted os value
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#
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uname_os() (
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os=$(uname -s | tr '[:upper:]' '[:lower:]')
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case "$os" in
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cygwin_nt*) os="windows" ;;
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mingw*) os="windows" ;;
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msys_nt*) os="windows" ;;
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esac
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uname_os_check "$os"
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log_trace "uname_os() returned '${os}'"
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echo "$os"
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)
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# uname_arch
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#
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# outputs an adjusted architecture value
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#
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uname_arch() (
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arch=$(uname -m)
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case $arch in
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x86_64) arch="amd64" ;;
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x86) arch="386" ;;
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i686) arch="386" ;;
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i386) arch="386" ;;
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aarch64) arch="arm64" ;;
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armv5*) arch="armv5" ;;
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armv6*) arch="armv6" ;;
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armv7*) arch="armv7" ;;
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esac
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uname_arch_check "${arch}"
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log_trace "uname_arch() returned '${arch}'"
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echo "${arch}"
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)
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# get_release_tag [owner] [repo] [tag]
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#
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# outputs tag string
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#
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get_release_tag() (
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owner="$1"
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repo="$2"
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tag="$3"
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log_trace "get_release_tag(owner=${owner}, repo=${repo}, tag=${tag})"
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json=$(github_release_json "${owner}" "${repo}" "${tag}")
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real_tag=$(github_release_tag "${json}")
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if test -z "${real_tag}"; then
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return 1
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fi
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log_trace "get_release_tag() returned '${real_tag}'"
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echo "${real_tag}"
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)
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# tag_to_version [tag]
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#
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# outputs version string
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#
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tag_to_version() (
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tag="$1"
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value="${tag#v}"
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log_trace "tag_to_version(tag=${tag}) returned '${value}'"
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echo "$value"
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)
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# get_binary_name [os] [arch] [default-name]
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#
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# outputs a the binary string name
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#
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get_binary_name() (
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os="$1"
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arch="$2"
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binary="$3"
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original_binary="${binary}"
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case "${os}" in
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windows) binary="${binary}.exe" ;;
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esac
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log_trace "get_binary_name(os=${os}, arch=${arch}, binary=${original_binary}) returned '${binary}'"
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echo "${binary}"
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)
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# get_format_name [os] [arch] [default-format]
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#
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# outputs an adjusted file format
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#
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get_format_name() (
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os="$1"
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arch="$2"
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format="$3"
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original_format="${format}"
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case ${os} in
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windows) format=zip ;;
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esac
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log_trace "get_format_name(os=${os}, arch=${arch}, format=${original_format}) returned '${format}'"
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echo "${format}"
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)
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# download_and_install_asset [release-url-prefix] [download-path] [install-path] [name] [os] [arch] [version] [format] [binary]
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#
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# attempts to download the archive and install it to the given path.
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#
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download_and_install_asset() (
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download_url="$1"
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download_path="$2"
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install_path=$3
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name="$4"
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os="$5"
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arch="$6"
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version="$7"
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format="$8"
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binary="$9"
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asset_filepath=$(download_asset "${download_url}" "${download_path}" "${name}" "${os}" "${arch}" "${version}" "${format}")
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# don't continue if we couldn't download an asset
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if [ -z "${asset_filepath}" ]; then
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log_err "could not find release asset for os='${os}' arch='${arch}' format='${format}' "
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return 1
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fi
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install_asset "${asset_filepath}" "${install_path}" "${binary}"
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)
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# download_asset [release-url-prefix] [download-path] [name] [os] [arch] [version] [format] [binary]
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#
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# outputs the path to the downloaded asset asset_filepath
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#
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download_asset() (
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download_url="$1"
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destination="$2"
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name="$3"
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os="$4"
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arch="$5"
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version="$6"
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format="$7"
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log_trace "download_asset(url=${download_url}, destination=${destination}, name=${name}, os=${os}, arch=${arch}, version=${version}, format=${format})"
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checksums_filepath=$(download_github_release_checksums "${download_url}" "${name}" "${version}" "${destination}")
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log_trace "checksums content:\n$(cat ${checksums_filepath})"
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asset_filename=$(search_for_asset "${checksums_filepath}" "${name}" "${os}" "${arch}" "${format}")
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# don't continue if we couldn't find a matching asset from the checksums file
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if [ -z "${asset_filename}" ]; then
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return 1
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fi
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asset_url="${download_url}/${asset_filename}"
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asset_filepath="${destination}/${asset_filename}"
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http_download "${asset_filepath}" "${asset_url}" ""
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hash_sha256_verify "${asset_filepath}" "${checksums_filepath}"
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log_trace "download_asset_by_checksums_file() returned '${asset_filepath}'"
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echo "${asset_filepath}"
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)
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# install_asset [asset-path] [destination-path] [binary]
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#
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install_asset() (
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asset_filepath="$1"
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destination="$2"
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binary="$3"
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log_trace "install_asset(asset=${asset_filepath}, destination=${destination}, binary=${binary})"
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# don't continue if we don't have anything to install
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if [ -z "${asset_filepath}" ]; then
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return
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fi
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archive_dir=$(dirname "${asset_filepath}")
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# unarchive the downloaded archive to the temp dir
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(cd "${archive_dir}" && unpack "${asset_filepath}")
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# create the destination dir
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test ! -d "${destination}" && install -d "${destination}"
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# install the binary to the destination dir
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install "${archive_dir}/${binary}" "${destination}/"
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)
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main() (
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# parse arguments
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# note: never change default install directory (this must always be backwards compatible)
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install_dir=${install_dir:-${DEFAULT_INSTALL_DIR}}
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# note: never change the program flags or arguments (this must always be backwards compatible)
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while getopts "b:dh?x" arg; do
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case "$arg" in
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b) install_dir="$OPTARG" ;;
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d)
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if [ "$_logp" = "$log_info_priority" ]; then
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# -d == debug
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log_set_priority $log_debug_priority
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else
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# -dd (or -ddd...) == trace
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log_set_priority $log_trace_priority
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fi
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;;
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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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set +u
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tag=$1
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if [ "${install_dir}" = "${DEFAULT_INSTALL_DIR}" ]; then
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if [ ! -d "${DOCKER_HOME}" ]; then
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log_err "docker is not installed; refusing to install to '${install_dir}'"
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exit 1
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fi
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fi
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if [ -z "${tag}" ]; then
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log_debug "checking github for the current release tag"
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tag=""
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else
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log_debug "checking github for release tag='${tag}'"
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fi
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set -u
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tag=$(get_release_tag "${OWNER}" "${REPO}" "${tag}")
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if [ "$?" != "0" ]; then
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log_err "unable to find tag='${tag}'"
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log_err "do not specify a version or select a valid version from https://github.com/${OWNER}/${REPO}/releases"
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return 1
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fi
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# run the application
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|
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version=$(tag_to_version "${tag}")
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os=$(uname_os)
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arch=$(uname_arch)
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format=$(get_format_name "${os}" "${arch}" "tar.gz")
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binary=$(get_binary_name "${os}" "${arch}" "${BINARY}")
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download_url="${GITHUB_DOWNLOAD_PREFIX}/${tag}"
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# we always use the install.sh script that is associated with the tagged release. Why? the latest install.sh is not
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# guaranteed to be able to install every version of the application. We use the DOWNLOAD_TAG_INSTALL_SCRIPT env var
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# to indicate if we should continue processing with the existing script or to download the script from the given tag.
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if [ "${DOWNLOAD_TAG_INSTALL_SCRIPT}" = "true" ]; then
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export DOWNLOAD_TAG_INSTALL_SCRIPT=false
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|
log_info "fetching release script for tag='${tag}'"
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|
http_copy "${INSTALL_SH_BASE_URL}/${tag}/install.sh" "" | sh -s -- ${PROGRAM_ARGS}
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|
exit $?
|
|
fi
|
|
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|
log_info "using release tag='${tag}' version='${version}' os='${os}' arch='${arch}'"
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|
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|
download_dir=$(mktemp -d)
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|
trap 'rm -rf -- "$download_dir"' EXIT
|
|
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|
log_debug "downloading files into ${download_dir}"
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|
|
|
download_and_install_asset "${download_url}" "${download_dir}" "${install_dir}" "${PROJECT_NAME}" "${os}" "${arch}" "${version}" "${format}" "${binary}"
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|
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|
# don't continue if we couldn't install the asset
|
|
if [ "$?" != "0" ]; then
|
|
log_err "failed to install ${BINARY}"
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|
return 1
|
|
fi
|
|
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|
log_info "installed ${install_dir}/${binary}"
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|
)
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# entrypoint
|
|
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set +u
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if [ -z "${TEST_INSTALL_SH}" ]; then
|
|
set -u
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|
main "$@"
|
|
fi
|
|
set -u
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