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#!/bin/sh
# This install script is intended to download and install the latest available
# release of the dep dependency manager for Golang.
#
# It attempts to identify the current platform and an error will be thrown if
# the platform is not supported.
#
# Environment variables:
# - INSTALL_DIRECTORY (optional): defaults to $GOPATH/bin
# - DEP_RELEASE_TAG (optional): defaults to fetching the latest release
# - DEP_OS (optional): use a specific value for OS (mostly for testing)
# - DEP_ARCH (optional): use a specific value for ARCH (mostly for testing)
#
# You can install using this script:
# $ curl https://raw.githubusercontent.com/golang/dep/master/install.sh | sh
set -e
if [[ $EUID -ne 0 ]]; then
echo "This script must be run with root/sudo "
exit 1
fi
DEP_RELEASE_TAG="0.0.1"
RELEASES_URL="https://github.com/testthedocs/redactor/releases"
INSTALL_DIRECTORY="/usr/local/bin"
downloadJSON() {
url="$2"
echo "Fetching $url.."
if test -x "$(command -v curl)"; then
response=$(curl -s -L -w 'HTTPSTATUS:%{http_code}' -H 'Accept: application/json' "$url")
body=$(echo "$response" | sed -e 's/HTTPSTATUS\:.*//g')
code=$(echo "$response" | tr -d '\n' | sed -e 's/.*HTTPSTATUS://')
elif test -x "$(command -v wget)"; then
temp=$(mktemp)
body=$(wget -q --header='Accept: application/json' -O - --server-response "$url" 2> "$temp")
code=$(awk '/^ HTTP/{print $2}' < "$temp" | tail -1)
rm "$temp"
else
echo "Neither curl nor wget was available to perform http requests."
exit 1
fi
if [ "$code" != 200 ]; then
echo "Request failed with code $code"
exit 1
fi
eval "$1='$body'"
}
downloadFile() {
url="$1"
destination="$2"
echo "Fetching $url.."
if test -x "$(command -v curl)"; then
code=$(curl -s -w '%{http_code}' -L "$url" -o "$destination")
elif test -x "$(command -v wget)"; then
code=$(wget -q -O "$destination" --server-response "$url" 2>&1 | awk '/^ HTTP/{print $2}' | tail -1)
else
echo "Neither curl nor wget was available to perform http requests."
exit 1
fi
if [ "$code" != 200 ]; then
echo "Request failed with code $code"
exit 1
fi
}
initArch() {
ARCH=$(uname -m)
if [ -n "$DEP_ARCH" ]; then
echo "Using DEP_ARCH"
ARCH="$DEP_ARCH"
fi
case $ARCH in
amd64) ARCH="amd64";;
x86_64) ARCH="amd64";;
i386) ARCH="386";;
ppc64) ARCH="ppc64";;
ppc64le) ARCH="ppc64le";;
*) echo "Architecture ${ARCH} is not supported by this installation script"; exit 1;;
esac
echo "ARCH = $ARCH"
}
initOS() {
OS=$(uname | tr '[:upper:]' '[:lower:]')
OS_CYGWIN=0
if [ -n "$DEP_OS" ]; then
echo "Using DEP_OS"
OS="$DEP_OS"
fi
case "$OS" in
darwin) OS='darwin';;
linux) OS='linux';;
freebsd) OS='freebsd';;
mingw*) OS='windows';;
msys*) OS='windows';;
cygwin*)
OS='windows'
OS_CYGWIN=1
;;
*) echo "OS ${OS} is not supported by this installation script"; exit 1;;
esac
echo "OS = $OS"
}
# identify platform based on uname output
initArch
initOS
# determine install directory if required
echo "Will install into $INSTALL_DIRECTORY"
# assemble expected release artifact name
if [ "${OS}" != "linux" ] && { [ "${ARCH}" = "ppc64" ] || [ "${ARCH}" = "ppc64le" ];}; then
# ppc64 and ppc64le are only supported on Linux.
echo "${OS}_${ARCH} is not supported by this instalation script"
else
BINARY="redactor_${OS}_${ARCH}"
fi
# add .exe if on windows
if [ "$OS" = "windows" ]; then
BINARY="$BINARY.exe"
fi
# if DEP_RELEASE_TAG was not provided, assume latest
if [ -z "$DEP_RELEASE_TAG" ]; then
downloadJSON LATEST_RELEASE "$RELEASES_URL/latest"
DEP_RELEASE_TAG=$(echo "${LATEST_RELEASE}" | tr -s '\n' ' ' | sed 's/.*"tag_name":"//' | sed 's/".*//' )
fi
echo "Release Tag = $DEP_RELEASE_TAG"
# fetch the real release data to make sure it exists before we attempt a download
downloadJSON RELEASE_DATA "$RELEASES_URL/tag/$DEP_RELEASE_TAG"
BINARY_URL="$RELEASES_URL/download/$DEP_RELEASE_TAG/$BINARY"
DOWNLOAD_FILE=$(mktemp)
downloadFile "$BINARY_URL" "$DOWNLOAD_FILE"
echo "Setting executable permissions."
chmod +x "$DOWNLOAD_FILE"
INSTALL_NAME="redactor"
if [ "$OS" = "windows" ]; then
INSTALL_NAME="$INSTALL_NAME.exe"
fi
echo "Moving executable to $INSTALL_DIRECTORY/$INSTALL_NAME"
mv "$DOWNLOAD_FILE" "$INSTALL_DIRECTORY/$INSTALL_NAME"
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