Use ./hack/feth-releases.sh for the release task…

We have an existing script that does fetch the release. Not using it
in the release tasks is proving to be very error prone as the script
might differ between the too, and thus we end up with broken
releases (missing files, …)

Signed-off-by: Vincent Demeester <vdemeest@redhat.com>
(cherry picked from commit cbcc09f)
Signed-off-by: Vincent Demeester <vdemeest@redhat.com>

tekton/task-fetch-components.yaml

@@ -27,122 +27,8 @@ spec:
     workingDir: /go/src/github.com/tektoncd/operator
     script: |
       #!/usr/bin/env sh
-
-      set -u -e -o pipefail
-
-      SCRIPT_DIR=$(pwd)
-      TARGET=""
-
-      # release_yaml <component> <release-yaml-name> <target-file-name> <version>
-      release_yaml() {
-       echo fetching: $*
-       local comp=$1
-       local releaseFileName=$2
-       local destFileName=$3
-       local version=$4
-
-        # directory name => tekton-<component>
-        # tekton-pipeline tekton-trigger
-        local dir=$1
-        if [[ $comp == "triggers" ]]; then
-          dir="trigger"
-        fi
-
-        if [[ $comp == "dashboard" ]]; then
-          if [[ ${releaseFileName} == "tekton-dashboard-release" ]]; then
-            dir="dashboard/tekton-dashboard-fullaccess"
-          fi
-
-          if [[ ${releaseFileName} == "tekton-dashboard-release-readonly" ]]; then
-            dir="dashboard/tekton-dashboard-readonly"
-          fi
-        fi
-
-        #nightly -> 0.0.0-nightly
-        #latest -> find version till then -> 0.0.0-latest
-        #version -> directory with version
-
-        url=""
-        case $version in
-          nightly)
-            dirVersion="0.0.0-nightly"
-            url="https://storage.googleapis.com/tekton-releases-nightly/${comp}/latest/${releaseFileName}.yaml"
-            ;;
-          latest)
-            dirVersion="0.0.0-latest"
-            url="https://storage.googleapis.com/tekton-releases/${comp}/latest/${releaseFileName}.yaml"
-            ;;
-          *)
-            dirVersion=${version//v}
-            url="https://storage.googleapis.com/tekton-releases/${comp}/previous/${version}/${releaseFileName}.yaml"
-            ;;
-        esac
-
-        ko_data=${SCRIPT_DIR}/cmd/${TARGET}/operator/kodata
-        comp_dir=${ko_data}/tekton-${dir}
-
-        # before adding releases, remove existing version directories
-        # ignore while adding for interceptors
-        if [[ ${releaseFileName} != "interceptors" ]] ; then
-          rm -rf ${comp_dir}/*
-        fi
-
-        # create a directory
-        dirPath=${comp_dir}/${dirVersion}
-        mkdir -p ${dirPath} || true
-
-        # destination file
-        dest=${dirPath}/${destFileName}.yaml
-        http_response=$(curl -s -o ${dest} -w "%{http_code}" ${url})
-        echo url: ${url}
-
-        if [ $http_response != "200" ]; then
-            echo "Error: failed to get $comp yaml, status code: $http_response"
-            exit 1
-        fi
-
-        # Add OpenShift specific files for pipelines
-        if [[ ${TARGET} == "openshift" ]] && [[ ${comp} == "pipeline" ]]; then
-          cp -r ${ko_data}/openshift/00-prereconcile ${comp_dir}/
-          cp ${ko_data}/openshift/pipelines-rbac/* ${dirPath}/
-        fi
-
-
-        if [[ ${comp} == "dashboard" ]]; then
-          sed -i '/aggregationRule/,+3d' ${dest}
-        fi
-
-        echo "Info: Added $comp/$releaseFileName:$version release yaml !!"
-        if [[ ${comp} == "results" ]]; then
-          grep 'version' ${dest} | head -n 1 | tr -d ' ' || true
-        else
-          grep 'app.kubernetes.io/version' ${dest} | head -n 1 | sed 's/[[:space:]]*app.kubernetes.io\///' || true
-        fi
-      }
-
-      main() {
-        echo args: $*
-        pwd
-        echo ::::::
-        find cmd/$(params.TARGET_PLATFORM)/operator
-        echo :::::::
-        TARGET=$1
-        p_version=${2}
-        release_yaml pipeline release.notags 00-pipelines ${p_version}
-
-        t_version=${3}
-        release_yaml triggers release.notags 00-triggers ${t_version}
-        release_yaml triggers interceptors.notags 01-interceptors ${t_version}
-
-        d_version=${4}
-        release_yaml dashboard tekton-dashboard-release 00-dashboard ${d_version}
-        release_yaml dashboard tekton-dashboard-release-readonly 00-dashboard-readonly ${d_version}
-
-        r_version=${5}
-        release_yaml results release 00-results ${r_version}
-      }
-
-      main $(params.TARGET_PLATFORM) $(params.PIPELINES_VERSION) $(params.TRIGGERS_VERSION) $(params.DASHBOARD_VERSION) $(params.RESULTS_VERSION)
+      apk add bash # Bash is not present
+      ./hack/fetch-releases.sh $(params.TARGET_PLATFORM) $(params.PIPELINES_VERSION) $(params.TRIGGERS_VERSION) $(params.DASHBOARD_VERSION) $(params.RESULTS_VERSION)
 
       # print directory structure of cmd/<target-platform>/operator/kodata
       find cmd/$(params.TARGET_PLATFORM)/operator/kodata/