#!/bin/bash
 

 set -o errexit

 set -o nounset
 set -o pipefail
 
 OS_ROOT=$(dirname "${BASH_SOURCE}")/..
 source "${OS_ROOT}/hack/common.sh"
 
 cd "${OS_ROOT}"

 
 echo "===== Verifying Generated Conversions ====="
 echo "Building genconversion binary..."

 if ! buildout=`"${OS_ROOT}/hack/build-go.sh" tools/genconversion 2>&1`

 then
   echo "FAILURE: Building genconversion binary failed:"
   echo "$buildout"
   exit 1
 else
   echo "$buildout" | sed 's/^/   /'
 fi
 

 genconversion="$(os::build::find-binary genconversion)"

 echo "   Verifying genconversion binary..."

 if [[ ! -x "$genconversion" ]]; then
   {

     echo "FAILURE: It looks as if you don't have a compiled conversion binary."
     echo "If you are running from a clone of the git repo, please run:"

     echo "'./hack/build-go.sh tools/genconversion'."

   } >&2
   exit 1
 fi
 

 APIROOT_REL="pkg/api"
 APIROOT="${OS_ROOT}/${APIROOT_REL}"

 TMP_APIROOT_REL="_output/verify-generated-conversions"

 TMP_APIROOT="${OS_ROOT}/${TMP_APIROOT_REL}/${APIROOT_REL}"
 
 echo "Generating fresh conversions..."
 if ! output=`${OS_ROOT}/hack/update-generated-conversions.sh ${TMP_APIROOT_REL} 2>&1`
 then
   echo "FAILURE: Generation of fresh conversions failed:"
   echo "$output"
   exit 1
 fi

 rsync -au "${APIROOT}" "${TMP_APIROOT}/.."

 echo "Diffing current conversions against freshly generated conversions..."

 ret=0
 diff -Naupr -I 'Auto generated by' "${APIROOT}" "${TMP_APIROOT}" || ret=$?

 rm -rf "${TMP_APIROOT}"

 if [[ $ret -eq 0 ]]
 then

   echo "SUCCESS: Generated conversions up to date."

 else

   echo "FAILURE: Generated conversions out of date. Please run hack/update-generated-conversions.sh"

   exit 1
 fi
 
 # ex: ts=2 sw=2 et filetype=sh