/godownloader.sh
Shell | 377 lines | 342 code | 20 blank | 15 comment | 40 complexity | 6ebc3a89dc9f63cc8cbf25405bd58042 MD5 | raw file
- #!/bin/sh
- set -e
- # Code generated by godownloader on 2019-05-28T19:49:53Z. DO NOT EDIT.
- #
- usage() {
- this=$1
- cat <<EOF
- $this: download go binaries for boz/kail
- Usage: $this [-b] bindir [-d] [tag]
- -b sets bindir or installation directory, Defaults to ./bin
- -d turns on debug logging
- [tag] is a tag from
- https://github.com/boz/kail/releases
- If tag is missing, then the latest will be used.
- Generated by godownloader
- https://github.com/goreleaser/godownloader
- EOF
- exit 2
- }
- parse_args() {
- #BINDIR is ./bin unless set be ENV
- # over-ridden by flag below
- BINDIR=${BINDIR:-./bin}
- while getopts "b:dh?x" arg; do
- case "$arg" in
- b) BINDIR="$OPTARG" ;;
- d) log_set_priority 10 ;;
- h | \?) usage "$0" ;;
- x) set -x ;;
- esac
- done
- shift $((OPTIND - 1))
- TAG=$1
- }
- # this function wraps all the destructive operations
- # if a curl|bash cuts off the end of the script due to
- # network, either nothing will happen or will syntax error
- # out preventing half-done work
- execute() {
- tmpdir=$(mktemp -d)
- log_debug "downloading files into ${tmpdir}"
- http_download "${tmpdir}/${TARBALL}" "${TARBALL_URL}"
- http_download "${tmpdir}/${CHECKSUM}" "${CHECKSUM_URL}"
- hash_sha256_verify "${tmpdir}/${TARBALL}" "${tmpdir}/${CHECKSUM}"
- srcdir="${tmpdir}"
- (cd "${tmpdir}" && untar "${TARBALL}")
- test ! -d "${BINDIR}" && install -d "${BINDIR}"
- for binexe in "kail" ; do
- if [ "$OS" = "windows" ]; then
- binexe="${binexe}.exe"
- fi
- install "${srcdir}/${binexe}" "${BINDIR}/"
- log_info "installed ${BINDIR}/${binexe}"
- done
- rm -rf "${tmpdir}"
- }
- is_supported_platform() {
- platform=$1
- found=1
- case "$platform" in
- darwin/amd64) found=0 ;;
- linux/amd64) found=0 ;;
- esac
- return $found
- }
- check_platform() {
- if is_supported_platform "$PLATFORM"; then
- # optional logging goes here
- true
- else
- 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"
- exit 1
- fi
- }
- tag_to_version() {
- if [ -z "${TAG}" ]; then
- log_info "checking GitHub for latest tag"
- else
- log_info "checking GitHub for tag '${TAG}'"
- fi
- REALTAG=$(github_release "$OWNER/$REPO" "${TAG}") && true
- if test -z "$REALTAG"; then
- log_crit "unable to find '${TAG}' - use 'latest' or see https://github.com/${PREFIX}/releases for details"
- exit 1
- fi
- # if version starts with 'v', remove it
- TAG="$REALTAG"
- VERSION=${TAG#v}
- }
- adjust_format() {
- # change format (tar.gz or zip) based on OS
- true
- }
- adjust_os() {
- # adjust archive name based on OS
- true
- }
- adjust_arch() {
- # adjust archive name based on ARCH
- true
- }
- cat /dev/null <<EOF
- ------------------------------------------------------------------------
- https://github.com/client9/shlib - portable posix shell functions
- Public domain - http://unlicense.org
- https://github.com/client9/shlib/blob/master/LICENSE.md
- but credit (and pull requests) appreciated.
- ------------------------------------------------------------------------
- EOF
- is_command() {
- command -v "$1" >/dev/null
- }
- echoerr() {
- echo "$@" 1>&2
- }
- log_prefix() {
- echo "$0"
- }
- _logp=6
- log_set_priority() {
- _logp="$1"
- }
- log_priority() {
- if test -z "$1"; then
- echo "$_logp"
- return
- fi
- [ "$1" -le "$_logp" ]
- }
- log_tag() {
- case $1 in
- 0) echo "emerg" ;;
- 1) echo "alert" ;;
- 2) echo "crit" ;;
- 3) echo "err" ;;
- 4) echo "warning" ;;
- 5) echo "notice" ;;
- 6) echo "info" ;;
- 7) echo "debug" ;;
- *) echo "$1" ;;
- esac
- }
- log_debug() {
- log_priority 7 || return 0
- echoerr "$(log_prefix)" "$(log_tag 7)" "$@"
- }
- log_info() {
- log_priority 6 || return 0
- echoerr "$(log_prefix)" "$(log_tag 6)" "$@"
- }
- log_err() {
- log_priority 3 || return 0
- echoerr "$(log_prefix)" "$(log_tag 3)" "$@"
- }
- log_crit() {
- log_priority 2 || return 0
- echoerr "$(log_prefix)" "$(log_tag 2)" "$@"
- }
- uname_os() {
- os=$(uname -s | tr '[:upper:]' '[:lower:]')
- case "$os" in
- msys_nt) os="windows" ;;
- esac
- echo "$os"
- }
- uname_arch() {
- arch=$(uname -m)
- case $arch in
- x86_64) arch="amd64" ;;
- x86) arch="386" ;;
- i686) arch="386" ;;
- i386) arch="386" ;;
- aarch64) arch="arm64" ;;
- armv5*) arch="armv5" ;;
- armv6*) arch="armv6" ;;
- armv7*) arch="armv7" ;;
- esac
- echo ${arch}
- }
- uname_os_check() {
- os=$(uname_os)
- case "$os" in
- darwin) return 0 ;;
- dragonfly) return 0 ;;
- freebsd) return 0 ;;
- linux) return 0 ;;
- android) return 0 ;;
- nacl) return 0 ;;
- netbsd) return 0 ;;
- openbsd) return 0 ;;
- plan9) return 0 ;;
- solaris) return 0 ;;
- windows) return 0 ;;
- esac
- log_crit "uname_os_check '$(uname -s)' got converted to '$os' which is not a GOOS value. Please file bug at https://github.com/client9/shlib"
- return 1
- }
- uname_arch_check() {
- arch=$(uname_arch)
- case "$arch" in
- 386) return 0 ;;
- amd64) return 0 ;;
- arm64) return 0 ;;
- armv5) return 0 ;;
- armv6) return 0 ;;
- armv7) return 0 ;;
- ppc64) return 0 ;;
- ppc64le) return 0 ;;
- mips) return 0 ;;
- mipsle) return 0 ;;
- mips64) return 0 ;;
- mips64le) return 0 ;;
- s390x) return 0 ;;
- amd64p32) return 0 ;;
- esac
- log_crit "uname_arch_check '$(uname -m)' got converted to '$arch' which is not a GOARCH value. Please file bug report at https://github.com/client9/shlib"
- return 1
- }
- untar() {
- tarball=$1
- case "${tarball}" in
- *.tar.gz | *.tgz) tar -xzf "${tarball}" ;;
- *.tar) tar -xf "${tarball}" ;;
- *.zip) unzip "${tarball}" ;;
- *)
- log_err "untar unknown archive format for ${tarball}"
- return 1
- ;;
- esac
- }
- http_download_curl() {
- local_file=$1
- source_url=$2
- header=$3
- if [ -z "$header" ]; then
- code=$(curl -w '%{http_code}' -sL -o "$local_file" "$source_url")
- else
- code=$(curl -w '%{http_code}' -sL -H "$header" -o "$local_file" "$source_url")
- fi
- if [ "$code" != "200" ]; then
- log_debug "http_download_curl received HTTP status $code"
- return 1
- fi
- return 0
- }
- http_download_wget() {
- local_file=$1
- source_url=$2
- header=$3
- if [ -z "$header" ]; then
- wget -q -O "$local_file" "$source_url"
- else
- wget -q --header "$header" -O "$local_file" "$source_url"
- fi
- }
- http_download() {
- log_debug "http_download $2"
- if is_command curl; then
- http_download_curl "$@"
- return
- elif is_command wget; then
- http_download_wget "$@"
- return
- fi
- log_crit "http_download unable to find wget or curl"
- return 1
- }
- http_copy() {
- tmp=$(mktemp)
- http_download "${tmp}" "$1" "$2" || return 1
- body=$(cat "$tmp")
- rm -f "${tmp}"
- echo "$body"
- }
- github_release() {
- owner_repo=$1
- version=$2
- test -z "$version" && version="latest"
- giturl="https://github.com/${owner_repo}/releases/${version}"
- json=$(http_copy "$giturl" "Accept:application/json")
- test -z "$json" && return 1
- version=$(echo "$json" | tr -s '\n' ' ' | sed 's/.*"tag_name":"//' | sed 's/".*//')
- test -z "$version" && return 1
- echo "$version"
- }
- hash_sha256() {
- TARGET=${1:-/dev/stdin}
- if is_command gsha256sum; then
- hash=$(gsha256sum "$TARGET") || return 1
- echo "$hash" | cut -d ' ' -f 1
- elif is_command sha256sum; then
- hash=$(sha256sum "$TARGET") || return 1
- echo "$hash" | cut -d ' ' -f 1
- elif is_command shasum; then
- hash=$(shasum -a 256 "$TARGET" 2>/dev/null) || return 1
- echo "$hash" | cut -d ' ' -f 1
- elif is_command openssl; then
- hash=$(openssl -dst openssl dgst -sha256 "$TARGET") || return 1
- echo "$hash" | cut -d ' ' -f a
- else
- log_crit "hash_sha256 unable to find command to compute sha-256 hash"
- return 1
- fi
- }
- hash_sha256_verify() {
- TARGET=$1
- checksums=$2
- if [ -z "$checksums" ]; then
- log_err "hash_sha256_verify checksum file not specified in arg2"
- return 1
- fi
- BASENAME=${TARGET##*/}
- want=$(grep "${BASENAME}" "${checksums}" 2>/dev/null | tr '\t' ' ' | cut -d ' ' -f 1)
- if [ -z "$want" ]; then
- log_err "hash_sha256_verify unable to find checksum for '${TARGET}' in '${checksums}'"
- return 1
- fi
- got=$(hash_sha256 "$TARGET")
- if [ "$want" != "$got" ]; then
- log_err "hash_sha256_verify checksum for '$TARGET' did not verify ${want} vs $got"
- return 1
- fi
- }
- cat /dev/null <<EOF
- ------------------------------------------------------------------------
- End of functions from https://github.com/client9/shlib
- ------------------------------------------------------------------------
- EOF
- PROJECT_NAME="kail"
- OWNER=boz
- REPO="kail"
- BINARY=kail
- FORMAT=tar.gz
- OS=$(uname_os)
- ARCH=$(uname_arch)
- PREFIX="$OWNER/$REPO"
- # use in logging routines
- log_prefix() {
- echo "$PREFIX"
- }
- PLATFORM="${OS}/${ARCH}"
- GITHUB_DOWNLOAD=https://github.com/${OWNER}/${REPO}/releases/download
- uname_os_check "$OS"
- uname_arch_check "$ARCH"
- parse_args "$@"
- check_platform
- tag_to_version
- adjust_format
- adjust_os
- adjust_arch
- log_info "found version: ${VERSION} for ${TAG}/${OS}/${ARCH}"
- NAME=${PROJECT_NAME}_${VERSION}_${OS}_${ARCH}
- TARBALL=${NAME}.${FORMAT}
- TARBALL_URL=${GITHUB_DOWNLOAD}/${TAG}/${TARBALL}
- CHECKSUM=checksums.txt
- CHECKSUM_URL=${GITHUB_DOWNLOAD}/${TAG}/${CHECKSUM}
- execute