#!/bin/bash
#
# This script builds the application from source for only this platform.
set -e

# Get the parent directory of where this script is.
SOURCE="${BASH_SOURCE[0]}"
while [ -h "$SOURCE" ] ; do SOURCE="$(readlink "$SOURCE")"; done
DIR="$( cd -P "$( dirname "$SOURCE" )/.." && pwd )"

# Change into that directory
cd $DIR

# Get the git commit
GIT_COMMIT=$(git rev-parse HEAD)
GIT_DIRTY=$(test -n "`git status --porcelain`" && echo "+CHANGES" || true)

# If we're building on Windows, specify an extension
EXTENSION=""
if [ "$(go env GOOS)" = "windows" ]; then
    EXTENSION=".exe"
fi

GOPATHSINGLE=${GOPATH%%:*}
if [ "$(go env GOOS)" = "windows" ]; then
    GOPATHSINGLE=${GOPATH%%;*}
fi

# Install dependencies
echo "--> Getting dependencies..."
go get ./...

# Build!
echo "--> Building..."
gox \
    -os="$(go env GOOS)" \
    -arch="$(go env GOARCH)" \
    -ldflags "-X main.GitCommit ${GIT_COMMIT}${GIT_DIRTY}" \
    -output "bin/terraform-{{.Dir}}" \
    ./...
mv bin/terraform-terraform${EXTENSION} bin/terraform${EXTENSION}
cp bin/terraform* ${GOPATHSINGLE}/bin

# Done!
echo
echo "--> Results:"
ls -l bin/