Remove hugow (#146)

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Luiz F. A. de Prá 2019-02-10 21:05:34 -02:00 committed by GitHub
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commit e66c174061
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0.52/extended

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hugow
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#!/usr/bin/env sh
# ------------------------------------------------------------------------------
# Licensed to the Apache Software Foundation (ASF) under one
# or more contributor license agreements. See the NOTICE file
# distributed with this work for additional information
# regarding copyright ownership. The ASF licenses this file
# to you under the Apache License, Version 2.0 (the
# "License"); you may not use this file except in compliance
# with the License. You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing,
# software distributed under the License is distributed on an
# "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
# KIND, either express or implied. See the License for the
# specific language governing permissions and limitations
# under the License.
# ------------------------------------------------------------------------------
# ------------------------------------------------------------------------------
# Hugo Wrapper (v1.1.0)
#
# Hugo Wrapper is a POSIX-style shell script which acts as a wrapper to download
# and execute Hugo binary for your platform. It can be executed in variety of
# Operating Systems and Command Shells. As a result, hugow has very minimal
# number of dependencies:
#
# downloader: wget or curl
# checksum : sha256sum or shasum or cksum
# tarball : tar
#
# https://github.com/khos2ow/hugo-wrapper
# ------------------------------------------------------------------------------
set -e
VERSION_NUMBER="v1.1.0"
# hugo-wrapper command available flags
get_version=""
get_latest=false
get_extended=false
upgrade=false
version=false
show_help=false
# hugo related commands to pass through the actual binary
HUGO_ARGS=""
while [ -n "$1" ]; do
case "$1" in
--get-version) get_version=$2; shift 2 ;;
--get-latest) get_latest=true; shift 1 ;;
--get-extended) get_extended=true; shift 1 ;;
--upgrade) upgrade=true; shift 1 ;;
--version) version=true; shift 1 ;;
-h | --help) show_help=true; shift 1 ;;
*) HUGO_ARGS="$HUGO_ARGS $1"; shift 1 ;;
esac
done
set -- $HUGO_ARGS
if [ "$upgrade" = true ]; then
if [ "$get_extended" = true -o "$get_latest" = true -o -n "$get_version" ]; then
echo "Error: Flag --upgrade cannot be used together with --get-extended, --get-version or --get-latest"
exit 1
fi
else
if [ "$get_latest" = true -a -n "$get_version" ]; then
echo "Error: Flags --get-version and --get-latest cannot be used together"
exit 1
fi
fi
# normalizing get_version
get_version_base="$(echo "$get_version" | cut -d "/" -f1)"
get_version_extended="$(echo "$get_version" | cut -d "/" -f2)"
get_version="$get_version_base"
if [ "$get_version_extended" = "extended" ]; then
get_extended=true
fi
# check which download command (wget or curl) is available.
DOWNLOAD_COMMAND=""
DOWNLOAD_OUTPUT=""
DOWNLOAD_SILENT=""
DOWNLOAD_REDIRECT=""
if command -v wget > /dev/null; then
DOWNLOAD_COMMAND="wget"
DOWNLOAD_OUTPUT="-O"
DOWNLOAD_SILENT="-q"
DOWNLOAD_REDIRECT=""
elif command -v curl > /dev/null; then
DOWNLOAD_COMMAND="curl"
DOWNLOAD_OUTPUT="-o"
DOWNLOAD_SILENT="-s"
DOWNLOAD_REDIRECT="-L"
else
echo "Error: Unable to find 'wget' or 'curl' command."
exit 1
fi
# OS type
os_type=""
case "`uname -s`" in
Darwin) os_type="macOS" ;;
Linux) os_type="Linux" ;;
DragonFly) os_type="DragonFlyBSD" ;;
FreeBSD) os_type="FreeBSD" ;;
NetBSD) os_type="NetBSD" ;;
OpenBSD) os_type="OpenBSD" ;;
# CYGWIN* os_type="Windows" ;;
# MINGW*) os_type="Windows" ;;
# Windows_NT) os_type="Windows" ;;
esac
# OS architecture
os_arch=""
case "`uname -m`" in
x86) os_arch="32bit" ;;
x86_64) os_arch="64bit" ;;
amd64) os_arch="64bit" ;;
armv7l) os_arch="ARM" ;;
armv8) os_arch="ARM64" ;;
esac
if [ -z "$os_type" -o -z "$os_arch" ]; then
echo "Error: Unknown OS type or architecture"
exit 1
fi
# ------------------------------------------------------------------------------
# traverses directory structure from process work directory to filesystem root
# first directory with .hugo subdirectory is considered project base directory
# ------------------------------------------------------------------------------
find_basedir() {
if [ -z "$1" ]; then
echo "Error: Path not specified to find_basedir"
return 1
fi
basedir="$1"
wdir="$1"
while [ "$wdir" != '/' ]; do
if [ -d "$wdir"/.hugo ]; then
basedir=$wdir
break
fi
if [ -d "${wdir}" ]; then
wdir=`cd "$wdir/.."; pwd`
fi
done
echo "${basedir}"
}
BASE_DIR=`find_basedir "$(pwd)"`
if [ -z "$BASE_DIR" ]; then
echo "Error: Unable to find base directory."
exit 1
fi
if [ ! -d "$BASE_DIR/.hugo" ]; then
mkdir -p "$BASE_DIR/.hugo"
else
if [ -r "$BASE_DIR/.hugo/hugo" -a ! -s "$BASE_DIR/.hugo/hugo" ]; then
rm "$BASE_DIR/.hugo/hugo"
fi
if [ -r "$BASE_DIR/.hugo/version" -a ! -s "$BASE_DIR/.hugo/version" ]; then
rm "$BASE_DIR/.hugo/version"
fi
fi
parse_json() {
local json="$1"
local field="$2"
if [ -z "$json" ]; then
echo ""
elif [ -z "$field" ]; then
echo ""
fi
temp=`echo $json | sed 's/\\\\\//\//g' | sed 's/[{}]//g' | awk -v k="text" '{n=split($0,a,","); for (i=1; i<=n; i++) print a[i]}' | sed 's/\"\:\"/\|/g' | sed 's/[\,]/ /g' | sed 's/\"//g' | grep -w $field`
echo ${temp##*|} | sed "s/${field}: //g"
}
perform_checksum() {
if [ -n "$1" ]; then
if command -v sha256sum > /dev/null; then
echo "$1" | sha256sum --check > /dev/null
elif command -v shasum > /dev/null; then
echo "$1" | shasum --algorithm 256 --check > /dev/null
elif command -v cksum > /dev/null; then
echo "$1" | cksum -a SHA256 -c > /dev/null
else
echo "Error: cannot find any checksum command"
exit 1
fi
fi
}
remove_file() {
if [ -n "$1" -a "$1" != "/" -a -f "$1" -a -r "$1" ] ; then
rm "$1"
fi
}
download_version() {
local versionToDownload="$1"
local isExtended="$2"
if [ -n "$versionToDownload" ]; then
local filenamePrefix="hugo"
local versionDownloadSuffix=""
if [ "$isExtended" = true ]; then
filenamePrefix="hugo_extended"
versionDownloadSuffix="/extended"
fi
if [ "$versionToDownload" = "LATEST" ]; then
latest_release=`$DOWNLOAD_COMMAND $DOWNLOAD_SILENT $DOWNLOAD_REDIRECT ${DOWNLOAD_OUTPUT}- https://api.github.com/repos/gohugoio/hugo/releases/latest`
versionToDownload=`parse_json "$latest_release" "tag_name"`
fi
# strip down 'v' from begining of the string if exists
versionToDownload=`echo $versionToDownload | sed -ne 's/[^0-9]*\(\([0-9]*\.\)\{0,4\}[0-9]*\(\/extended\)*\).*/\1/p'`
printf "downloading hugo binary version v${versionToDownload}${versionDownloadSuffix} ... "
# download for specific OS and architecture
local binaryUrl="https://github.com/gohugoio/hugo/releases/download/v${versionToDownload}/${filenamePrefix}_${versionToDownload}_${os_type}-${os_arch}.tar.gz"
local checksumUrl="https://github.com/gohugoio/hugo/releases/download/v${versionToDownload}/${filenamePrefix}_${versionToDownload}_checksums.txt"
local tarballName="${filenamePrefix}_${versionToDownload}_${os_type}-${os_arch}.tar.gz"
local tarballPath="$BASE_DIR/.hugo/${tarballName}"
local checksumName="checksum.txt"
local checksumPath="$BASE_DIR/.hugo/${checksumName}"
$DOWNLOAD_COMMAND $DOWNLOAD_SILENT $DOWNLOAD_REDIRECT $DOWNLOAD_OUTPUT "$tarballPath" "$binaryUrl" &
$DOWNLOAD_COMMAND $DOWNLOAD_SILENT $DOWNLOAD_REDIRECT $DOWNLOAD_OUTPUT "$checksumPath" "$checksumUrl" &
wait
if [ -s "$tarballPath" -a -s "$checksumPath" ]; then
printf "[done]\n"
else
printf "[failed]\n"
remove_file "$checksumPath"
remove_file "$tarballPath"
exit 1
fi
printf "verifying hugo binary version v${versionToDownload}${versionDownloadSuffix} ..... "
cd $BASE_DIR/.hugo/
grep "${tarballName}" "$BASE_DIR/.hugo/$checksumName" | perform_checksum
cd - > /dev/null 2>&1
wait
printf "[done]\n"
printf "unzipping hugo binary version v${versionToDownload}${versionDownloadSuffix} ..... "
if [ -f "${tarballPath}" -a -r "${tarballPath}" ]; then
tar --directory="$BASE_DIR/.hugo/" -xzf "${tarballPath}" 2>&1
wait
printf "[done]\n"
else
printf "[failed]\n"
remove_file "$checksumPath"
remove_file "$tarballPath"
exit 1
fi
# save the downloaded binary version into $BASE_DIR/.hugo/version
echo "${versionToDownload}${versionDownloadSuffix}" > $BASE_DIR/.hugo/version
# cleanup after extraction
remove_file "$checksumPath"
remove_file "$tarballPath"
remove_file "$BASE_DIR/.hugo/LICENSE"
remove_file "$BASE_DIR/.hugo/README.md"
fi
}
# ------------------------------------------------------------------------------
# upgrade hugo wrapper binary and save it as ${BASE_DIR}/hugow
# ------------------------------------------------------------------------------
if [ "$version" = true ]; then
echo "Hugo Wrapper $VERSION_NUMBER"
exit
fi
# ------------------------------------------------------------------------------
# upgrade hugo wrapper binary and save it as ${BASE_DIR}/hugow
# ------------------------------------------------------------------------------
if [ "$upgrade" = true ]; then
printf "downloading hugow binary ... "
latest_release=`$DOWNLOAD_COMMAND $DOWNLOAD_SILENT $DOWNLOAD_REDIRECT ${DOWNLOAD_OUTPUT}- https://api.github.com/repos/khos2ow/hugo-wrapper/releases/latest`
versionToDownload=`parse_json "$latest_release" "tag_name"`
$DOWNLOAD_COMMAND $DOWNLOAD_SILENT $DOWNLOAD_REDIRECT $DOWNLOAD_OUTPUT "hugow" "https://github.com/khos2ow/hugo-wrapper/releases/download/${versionToDownload}/hugow" &
wait
printf "[done]\n"
chmod +x hugow
exit
fi
# ------------------------------------------------------------------------------
# download hugo binary and save it as ${BASE_DIR}/.hugo/hugo
# ------------------------------------------------------------------------------
if [ -r "$BASE_DIR/.hugo/hugo" ]; then
current_binary_version="$($BASE_DIR/.hugo/hugo version | sed -ne 's/[^0-9]*\(\([0-9]*\.\)\{0,4\}[0-9]*\(\/extended\)*\).*/\1/p' | sed 's/^ *//;s/ *$//')"
if [ "$get_extended" = true ]; then
suffix_extended_version="/extended"
fi
# download hugo binary and save it as ${BASE_DIR}/.hugo/hugo
if [ -n "$get_version" ]; then
if [ "${get_version}${suffix_extended_version}" != "$current_binary_version" ]; then
# specified hugo version
download_version "$get_version" $get_extended
else
echo "hugo binary version ${get_version}${suffix_extended_version} already exists"
echo "${get_version}${suffix_extended_version}" > $BASE_DIR/.hugo/version
fi
elif [ $get_latest = true ]; then
latest_release=`$DOWNLOAD_COMMAND $DOWNLOAD_SILENT $DOWNLOAD_REDIRECT ${DOWNLOAD_OUTPUT}- https://api.github.com/repos/gohugoio/hugo/releases/latest`
latest_version=`parse_json "$latest_release" "tag_name" | sed -ne 's/[^0-9]*\(\([0-9]*\.\)\{0,4\}[0-9]*\(\/extended\)*\).*/\1/p'`
if [ "${latest_version}${suffix_extended_version}" != "$current_binary_version" ]; then
# latest hugo version
download_version "$latest_version" $get_extended
else
echo "latest hugo binary version ${latest_version}${suffix_extended_version} already exists"
echo "${latest_version}${suffix_extended_version}" > $BASE_DIR/.hugo/version
fi
elif [ -r "$BASE_DIR/.hugo/version" ]; then
current_file_version="$(cat "$BASE_DIR/.hugo/version")"
if [ "$current_file_version" != "$current_binary_version" ]; then
version_from_file="$(echo "$current_file_version" | cut -d "/" -f1)"
extended_from_file="$(echo "$current_file_version" | cut -d "/" -f2)"
if [ "${extended_from_file}" = "extended" ]; then
isExtended=true
else
isExtended=false
fi
# specified hugo version
download_version "$version_from_file" $isExtended
fi
else
# save the current binary version into $BASE_DIR/.hugo/version
echo "$current_binary_version" > $BASE_DIR/.hugo/version
fi
else
if [ -n "$get_version" ]; then
# specified hugo version
download_version "$get_version" $get_extended
elif [ $get_latest = true ]; then
# latest hugo version
download_version "LATEST" $get_extended
elif [ -r "$BASE_DIR/.hugo/version" ]; then
# specified hugo version
version_from_file="$(cat "$BASE_DIR/.hugo/version" | cut -d "/" -f1)"
extended_from_file="$(cat "$BASE_DIR/.hugo/version" | cut -d "/" -f2)"
if [ "${extended_from_file}" = "extended" ]; then
isExtended=true
else
isExtended=false
fi
download_version "${version_from_file}" $isExtended
else
# latest hugo version
download_version "LATEST" $get_extended
fi
fi
# ------------------------------------------------------------------------------
# only download binary and not execute hugo related command
# ------------------------------------------------------------------------------
if [ "$get_latest" = true -o -n "$get_version" ]; then
${BASE_DIR}/.hugo/hugo version
exit
fi
# ------------------------------------------------------------------------------
# Show help, both from hugow and ${BASE_DIR}/.hugo/hugo
# ------------------------------------------------------------------------------
if [ $show_help = true ]; then
help=$(${BASE_DIR}/.hugo/hugo --help)
cat << USAGE
hugow is the universal wrapper for hugo main command.
Hugo is a Fast and Flexible Static Site Generator
built with love by spf13 and friends in Go.
Complete documentation is available at http://gohugo.io/.
Flags:
--get-extended get hugo extended binary
--get-latest get latest version of hugo binary
--get-version string get specified version of hugo binary
--upgrade upgrade hugo wrapper binary itself
--version show version of hugo wrapper binary itself
-h, --help help for hugo-wrapper
--------
$help
USAGE
exit 0
fi
# ------------------------------------------------------------------------------
# pass commands and flags to actual hugo binary
# ------------------------------------------------------------------------------
${BASE_DIR}/.hugo/hugo "$@"