checks

#!/bin/bash

#performs basic dev and build environment checks

USAGE="Usage: $0 <build packages>"

if [ $# -ne 1 ]; then
    echo $USAGE
    exit 1
fi

BUILD_PKGS=$1

echo "+++ Checking Go version..."
ver=$(go version | awk '{print $3}')
minVer="go1.4"
if [[ ${ver} < ${minVer} ]]; then
    echo "!!! Go version check failed. Expected >=${minVer} but found ${ver}"
    exit 1
fi

echo "+++ Checking gofmt..."
fmtRes=$(gofmt -l $BUILD_PKGS)
if [ -n "${fmtRes}" ]; then
    echo -e "!!! gofmt checking failed:\n${fmtRes}\n"
    exit 1
fi


echo "+++ go vet tree..."
for i in ${BUILD_PKGS}
do
    tmp="$(go vet ${i} 2>&1)"
    if [ -n "$tmp" ]
    then
      vetOutput="${vetOutput}\n${tmp}"
    fi
done

if [ -n "${vetOutput}" ]
then
    echo -e "!!! go vet checking failed:\n${vetOutput}\n"
    exit 1
fi

echo "+++ All checks passed!!"
exit 0