Merge pull request #237 from joelsmith/kedamain

Fix hack/relprep.sh script to match KEDA repo

hack/relprep.sh

@@ -13,6 +13,8 @@ set -e
 # these components k8s.io/<item> are versioned for each k8s release and should match the version of k8s used in KEDA for a given release
 kube_components="api apimachinery apiextensions-apiserver apiserver client-go component-base kube-aggregator"
 
+match_keda_version_deps="sigs.k8s.io/controller-runtime sigs.k8s.io/controller-runtime/tools/setup-envtest sigs.k8s.io/controller-tools"
+
 echo "Fetching sample CRs for KEDA v$ver"
 curl -s "https://raw.githubusercontent.com/kedacore/keda/v${ver}/config/samples/kustomization.yaml" > config/samples/kustomization.yaml
 for cr in $(sed -n '/^resources:$/,/^[^-]/ { s#[^0-9a-zA-Z_. -]##g; s#^- ##p}' config/samples/kustomization.yaml); do
@@ -53,8 +55,8 @@ echo
 echo 'Running go mod tidy (pass 1)'
 go mod tidy
 
-echo "Getting latest tag for keda-tools for version $gover"
-bttag=$(skopeo list-tags docker://ghcr.io/kedacore/keda-tools | jq -r '.Tags|.[]' | sort --version-sort -r | head -1)
+echo "Getting tag for keda-tools used to build KEDA version $ver"
+bttag=$(curl -s "https://raw.githubusercontent.com/kedacore/keda/v${ver}/Dockerfile" | sed -n 's#^FROM.* ghcr.io/kedacore/keda-tools:\([0-9][0-9.]*\) AS builder$#\1#p;T;q')
 
 echo "Updating keda-tools tag to $bttag"
 while read f; do
@@ -111,6 +113,17 @@ for i in $kube_components; do
     updated_mods["k8s.io/$i"]=1
 done
 
+for i in $match_keda_version_deps; do
+    echo -n checking upstream version of $i .....
+    if ! modver=$(echo "$keda_gomod" | grep -Po '(?<=^\t'"$i"' )v[0-9]*\.[0-9]*\.[0-9]*(-[0-9]*(-[0-9a-e]*)?)?$'); then
+      echo "  Unable to find $i in https://raw.githubusercontent.com/kedacore/keda/v${ver}/go.mod .  Exiting!"
+      exit 1
+    fi
+    echo "  got version $modver"
+    to_update+=("$i@$modver")
+    updated_mods["$i"]=1
+done
+
 # hack: force version of openshift API module based upon k8s->openshift version skew (e.g. 1.27 -> 4.14)
 openshift_branch="release-4.$(($(echo $k8sver | sed 's/v0\.\([0-9]*\)\.[0-9]*$/\1/')-13))"
 to_update+=("github.com/openshift/api@$openshift_branch")