97 lines
3.2 KiB
Bash
Executable File
97 lines
3.2 KiB
Bash
Executable File
#!/bin/bash
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# Copyright 2017 The Kubernetes Authors All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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set -o errexit
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set -o nounset
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set -o pipefail
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semvercompareOldVer=""
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semvercompareNewVer=""
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if [ "${PULL_BASE_SHA}" == "" ]; then
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echo "PULL_BASE_SHA must be set"
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exit 1
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fi
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if ! git remote get-url jetstack; then
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git remote add jetstack https://github.com/jetstack/cert-manager
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fi
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git fetch jetstack "${PULL_BASE_SHA}:refs/remotes/jetstack/pull-base"
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SCRIPT_ROOT=$(dirname "${BASH_SOURCE}")/..
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CHANGED_FOLDERS=`git diff --find-renames --name-only $(git merge-base jetstack/pull-base HEAD) "${SCRIPT_ROOT}/contrib/charts/" | awk -F/ '{print $1"/"$2"/"$3}' | uniq`
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# Verify that the semver for the chart was increased
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semvercompare() {
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set +e
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printf "\nChecking the Chart version has increased for the chart at ${1}\n"
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# Checkout the Chart.yaml file on master to read the version for comparison
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# Sending the output to a file and the error to /dev/null so that these
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# messages do not clutter up the end user output
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$(git show jetstack/pull-base:$1/Chart.yaml 1> /tmp/Chart.yaml 2> /dev/null)
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## If the chart is new git cannot checkout the chart. In that case return
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if [ $? -ne 0 ]; then
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echo "Unable to find Chart on master. New chart detected."
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return
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fi
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semvercompareOldVer=`yaml r /tmp/Chart.yaml version`
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semvercompareNewVer=`yaml r $1/Chart.yaml version`
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# Pre-releases may not be API compatible. So, when tools compare versions
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# they often skip pre-releases. vert can force looking at pre-releases by
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# adding a dash on the end followed by pre-release. -0 on the end will force
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# looking for all valid pre-releases since a prerelease cannot start with a 0.
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# For example, 1.2.3-0 will include looking for pre-releases.
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local ret
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local out
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if [[ $semvercompareOldVer == *"-"* ]]; then # Found the - to denote it has a pre-release
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out=$(vert ">$semvercompareOldVer" $semvercompareNewVer)
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ret=$?
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else
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# No pre-release was found so we increment the patch version and attach a
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# -0 to enable pre-releases being found.
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local ov=( ${semvercompareOldVer//./ } ) # Turn the version into an array
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((ov[2]+=1)) # Increment the patch release
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out=$(vert ">${ov[0]}.${ov[1]}.${ov[2]}-0" $semvercompareNewVer)
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ret=$?
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fi
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if [ $ret -ne 0 ]; then
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echo "Error please increment the new chart version to be greater than the existing version of $semvercompareOldVer"
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exitCode=1
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else
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echo "New higher version $semvercompareNewVer found"
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fi
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# Clean up
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rm /tmp/Chart.yaml
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}
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exitCode=0
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for directory in ${CHANGED_FOLDERS}; do
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if [ "${directory}" == "contrib/charts" ]; then
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continue
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fi
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semvercompare "${directory}"
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done
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exit "${exitCode}"
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