Created
June 25, 2019 08:37
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Helm chart semver pre-commit script
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| #!/usr/bin/env bash | |
| set -euo pipefail | |
| export PATH=$PATH:/usr/local/bin | |
| function error { | |
| echo -e " | |
| [x] Encountered error on pre-commit script: ${BASH_SOURCE[0]} | |
| Message: $1 | |
| " | |
| exit 1 | |
| } | |
| function wasChartYamlChanged { | |
| if [[ -f "$1/Chart.yaml" ]]; then | |
| [[ -n $(git diff --cached $1/Chart.yaml) ]] && return 0 # checks if there are changes to chart.yaml | |
| fi | |
| return 1 | |
| } | |
| function wasVersionChanged { | |
| git diff --cached $1/Chart.yaml | grep -q +version > /dev/null # if the 'version' line wasnt changed, return false | |
| [[ $? != 0 ]] && return 1 | |
| BEFORE=$(git diff --cached $1/Chart.yaml | grep -- '-version:' | awk '{ print $2 }') | |
| AFTER=$(git diff --cached $1/Chart.yaml | grep -- '+version:' | awk '{ print $2 }') | |
| [[ "$BEFORE" != "$AFTER" ]] && return 0 | |
| return 1 | |
| } | |
| which semver-tool > /dev/null || error "Please install semver-tool: https://github.com/fsaintjacques/semver-tool" | |
| # get the charts that were changed, and insert their folders into an array | |
| read -a CHANGED_CHARTS <<< $(git diff --cached --name-status | awk '{ print $2 }' | xargs -I '{}' dirname '{}' | uniq | tr '/' ' ' | awk '{ print $1 }' | uniq | tr '\n' ' ') | |
| for CHART in "${CHANGED_CHARTS[@]}"; do | |
| echo "[x] Checking $CHART chart for version bumps" | |
| # check if the version in Chart.yaml was changed | |
| if wasChartYamlChanged "$CHART" && wasVersionChanged "$CHART"; then | |
| echo " Version was manually changed, not bumping!" | |
| else | |
| if [[ -f "$CHART/Chart.yaml" ]]; then | |
| echo " Chart '$CHART' version bumped:" | |
| OLD_VER=$(cat $CHART/Chart.yaml | grep -E "^version: " | awk '{ print $2 }') | |
| NEW_VER=$(semver-tool bump patch $OLD_VER) | |
| echo " Before: $OLD_VER | After: $NEW_VER" | |
| sed -i '' "s/^version:.*/version: $NEW_VER/g" $CHART/Chart.yaml | |
| git add $CHART/Chart.yaml | |
| fi | |
| fi | |
| echo "" # new line | |
| done; | |
| exit |
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