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install.sh
executable file
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install.sh
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#!/usr/bin/env bash
# Installation script taken over from https://github.com/ethersphere/bee/blob/master/install.sh
# Copyright (c) 2020 The Swarm Authors. All rights reserved.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above
# copyright notice, this list of conditions and the following disclaimer
# in the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Swarm nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
APP_NAME="loggy"
REPO_URL="https://github.com/auhau/loggy"
: "${USE_SUDO:="true"}"
: "${INSTALL_DIR:="/usr/local/bin"}"
detect_arch() {
ARCH=$(uname -m)
case $ARCH in
armv5*) ARCH="armv5";;
armv6*) ARCH="armv6";;
armv7*) ARCH="arm";;
aarch64) ARCH="arm64";;
x86) ARCH="386";;
x86_64) ARCH="amd64";;
i686) ARCH="386";;
i386) ARCH="386";;
esac
}
detect_os() {
OS=$(uname|tr '[:upper:]' '[:lower:]')
case "$OS" in
# Minimalist GNU for Windows
mingw*) OS='windows';;
esac
}
run_as_root() {
local CMD="$*"
if [ $EUID -ne 0 ] && [ $USE_SUDO = "true" ]; then
CMD="sudo $CMD"
fi
$CMD
}
supported() {
local supported="darwin-arm64\ndarwin-amd64\nlinux-386\nlinux-amd64\nlinux-arm64\nlinux-armv6"
if ! echo "${supported}" | grep -q "${OS}-${ARCH}"; then
if [ $OS == "windows" ]; then
echo "Auto install not supported for Windows."
echo "Install binary from here $REPO_URL/releases"
exit 1
else
echo "No prebuilt binary for ${OS}-${ARCH}."
echo "To build from source, go to $REPO_URL"
exit 1
fi
fi
if ! command -v curl &> /dev/null && ! command -v wget &> /dev/null; then
echo "Either curl or wget is required"
exit 1
fi
}
# check_installed_version checks which version of bee is installed and
# if it needs to be changed.
check_installed_version() {
if [[ -f "${INSTALL_DIR}/${APP_NAME}" ]]; then
local version=$($APP_NAME --version 2>&1)
if [[ "${version%-*}" == "${TAG#v}" ]]; then
echo "${APP_NAME} ${version} is already ${DESIRED_VERSION:-latest}"
return 0
else
echo "${APP_NAME} ${TAG} is available. Changing from version ${version}."
return 1
fi
else
return 1
fi
}
# check_tag_provided checks whether TAG has provided as an environment variable so we can skip check_latest_version.
check_tag_provided() {
[[ ! -z "$TAG" ]]
}
# check_latest_version grabs the latest version string from the releases
check_latest_version() {
local latest_release_url="$REPO_URL/releases/latest"
if command -v curl &> /dev/null; then
TAG=$(curl -Ls -o /dev/null -w %{url_effective} $latest_release_url | grep -oE "[^/]+$" )
elif command -v wget &> /dev/null; then
TAG=$(wget $latest_release_url --server-response -O /dev/null 2>&1 | awk '/^ Location: /{DEST=$2} END{ print DEST}' | grep -oE "[^/]+$")
fi
}
# download_file downloads the latest binary package and also the checksum
# for that binary.
download_file() {
DIST_FILE="$APP_NAME-$OS-$ARCH"
if [ "$OS" == "windows" ]; then
DIST_FILE="$APP_NAME-$OS-$ARCH.exe"
fi
DOWNLOAD_URL="$REPO_URL/releases/download/$TAG/$DIST_FILE"
TMP_ROOT="$(mktemp -dt ${APP_NAME}-binary-XXXXXX)"
TMP_FILE="$TMP_ROOT/$DIST_FILE"
if command -v curl &> /dev/null; then
curl -SsL "$DOWNLOAD_URL" -o "$TMP_FILE"
elif command -v wget &> /dev/null; then
wget -q -O "$TMP_FILE" "$DOWNLOAD_URL"
fi
}
# install_file verifies the SHA256 for the file, then unpacks and
# installs it.
install_file() {
echo "Preparing to install $APP_NAME into ${INSTALL_DIR}"
run_as_root chmod +x "$TMP_FILE"
run_as_root cp "$TMP_FILE" "$INSTALL_DIR/$APP_NAME"
echo "$APP_NAME installed into $INSTALL_DIR/$APP_NAME"
}
# fail_trap is executed if an error occurs.
fail_trap() {
result=$?
if [ "$result" != "0" ]; then
if [[ -n "$INPUT_ARGUMENTS" ]]; then
echo "Failed to install $APP_NAME with the arguments provided: $INPUT_ARGUMENTS"
help
else
echo "Failed to install $APP_NAME"
fi
echo -e "\tFor support, go to $REPO_URL."
fi
cleanup
exit $result
}
# test_binary tests the installed client to make sure it is working.
test_binary() {
if ! command -v $APP_NAME &> /dev/null; then
echo "$APP_NAME not found. Is $INSTALL_DIR on your "'$PATH?'
exit 1
fi
echo "Run '$APP_NAME --help' to see what you can do with it."
}
# help provides possible cli installation arguments
help () {
echo "Accepted cli arguments are:"
echo -e "\t[--help|-h] ->> prints this help"
echo -e "\t[--no-sudo] ->> install without sudo"
}
# cleanup temporary files
cleanup() {
if [[ -d "${TMP_ROOT:-}" ]]; then
rm -rf "$TMP_ROOT"
fi
}
# Execution
#Stop execution on any error
trap "fail_trap" EXIT
set -e
# Parsing input arguments (if any)
export INPUT_ARGUMENTS="${@}"
set -u
while [[ $# -gt 0 ]]; do
case $1 in
'--no-sudo')
USE_SUDO="false"
;;
'--help'|-h)
help
exit 0
;;
*) exit 1
;;
esac
shift
done
set +u
detect_arch
detect_os
supported
check_tag_provided || check_latest_version
if ! check_installed_version; then
download_file
install_file
fi
test_binary
cleanup