157 lines
3.9 KiB
Bash
Executable File
157 lines
3.9 KiB
Bash
Executable File
#!/usr/bin/env bash
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# This script builds the application from source for multiple platforms.
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# Determine the arch/os combos we're building for
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ALL_XC_ARCH="386 amd64 arm arm64 ppc64le mips mips64 mipsle mipsle64 s390x"
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ALL_XC_OS="linux darwin windows freebsd openbsd"
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# Exit immediately if a command fails
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set -e
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# Validates that a necessary tool is on the PATH
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function validateToolPresence
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{
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local TOOLNAME=$1
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which ${TOOLNAME} >/dev/null
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if [ $? -ne 0 ]; then
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echo "${TOOLNAME} is not on the path. Exiting..."
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exit 1
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fi
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}
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# Validates that all used tools are present; exits when any is not found
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function validatePreconditions
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{
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echo "==> Checking for necessary tools..."
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validateToolPresence realpath
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validateToolPresence dirname
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validateToolPresence tr
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validateToolPresence find
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}
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# Get the parent directory of where this script is.
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# NOTE: I'm unsure why you don't just use realpath like below
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function enterPackerSourceDir
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{
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echo "==> Entering Packer source dir..."
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local BUILD_SCRIPT_PATH="${BASH_SOURCE[0]}"
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SOURCEDIR=$(dirname $(dirname $(realpath "${BUILD_SCRIPT_PATH}")))
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cd ${SOURCEDIR}
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}
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function ensureOutputStructure {
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echo "==> Ensuring output directories are present..."
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mkdir -p bin/
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mkdir -p pkg/
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}
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function cleanOutputDirs {
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echo "==> Removing old builds..."
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rm -f bin/*
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rm -fr pkg/*
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}
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function lowerCaseOSType {
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local OS_TYPE=${OSTYPE:=`uname`}
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echo "${OS_TYPE}" | tr "[:upper:]" "[:lower:]"
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}
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# Returns the OS appropriate path separator
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function getPathSeparator {
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# helpers for Cygwin-hosted builds
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case "$(lowerCaseOSType)" in
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mingw*|msys*|cygwin*)
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# cygwin only translates ';' to ':' on select environment variables
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echo ';'
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;;
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*) echo ':'
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esac
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}
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function convertPathOnCygwin() {
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local flag
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local somePath
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if [ "${1:0:1}" = '-' ]; then
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flag=$1
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somePath=$2
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else
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somePath=$1
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fi
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[ -n "${somePath}" ] || return 0
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case "$(lowerCaseOSType)" in
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cygwin*)
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cygpath ${flag} -- "${somePath}"
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;;
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*) echo "${somePath}"
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esac
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}
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validatePreconditions
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enterPackerSourceDir
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ensureOutputStructure
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cleanOutputDirs
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PATHSEP=$(getPathSeparator)
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# XXX works in MINGW?
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# FIXME: What if go is not in the PATH and GOROOT isn't set?
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which go &>/dev/null || PATH+=":`convertPathOnCygwin "${GOROOT:?}"`/bin"
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OLDIFS="${IFS}"
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# make sure GOPATH is consistent - Windows binaries can't handle Cygwin-style paths
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IFS="${PATHSEP}"
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for d in ${GOPATH:-$(go env GOPATH)}; do
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_GOPATH+="${_GOPATH:+${PATHSEP}}$(convertPathOnCygwin --windows "${d}")"
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done
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GOPATH="$_GOPATH"
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# locate 'gox' and traverse GOPATH if needed
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which "${GOX:=gox}" &>/dev/null || {
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for d in ${GOPATH}; do
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GOX="$(convertPathOnCygwin --unix "${d}")/bin/gox"
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[ -x "${GOX}" ] && break || unset GOX
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done
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}
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IFS="$OLDIFS"
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# Build!
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echo "==> Building..."
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# If in dev mode, only build for ourself
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if [ -n "${PACKER_DEV+x}" ]; then
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XC_OS=$(go env GOOS)
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XC_ARCH=$(go env GOARCH)
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fi
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set +e
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${GOX:?command not found} \
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-os="${XC_OS:-$ALL_XC_OS}" \
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-arch="${XC_ARCH:-$ALL_XC_ARCH}" \
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-osarch="!darwin/arm !darwin/arm64" \
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-ldflags "${GOLDFLAGS}" \
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-output "pkg/{{.OS}}_{{.Arch}}/packer" \
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.
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set -e
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# trim GOPATH to first element
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IFS="${PATHSEP}"
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# FIXME: How do you know that the first path of GOPATH is the main GOPATH? Or is the main GOPATH meant to be the first path in GOPATH?
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MAIN_GOPATH=(${GOPATH})
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MAIN_GOPATH="$(convertPathOnCygwin --unix "${MAIN_GOPATH[0]}")"
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IFS="${OLDIFS}"
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# Copy our OS/Arch to the bin/ directory
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echo "==> Copying binaries for this platform..."
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DEV_PLATFORM="./pkg/${XC_OS}_${XC_ARCH}"
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for F in $(find ${DEV_PLATFORM} -mindepth 1 -maxdepth 1 -type f 2>/dev/null); do
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cp -v ${F} bin/
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cp -v ${F} "${MAIN_GOPATH}/bin/"
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done
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# Done!
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echo
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echo "==> Results:"
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ls -hl bin/
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