feat(publish_chart): use latest tag + bump version in main branch

Signed-off-by: Niladri Halder <[email protected]>

scripts/helm/publish-chart-yaml.sh

@@ -19,6 +19,18 @@ die()
 
 set -euo pipefail
 
+# Get latest release tag (not un-released) for a GitHub repo using GitHub's api.
+github_latest_version_tag() {
+  local github_org="$1"
+  local github_repo="$2"
+
+  local tag_name=$(curl -fSsL \
+    -H "Accept: application/vnd.github+json" \
+    https://api.github.com/repos/"$github_org"/"$github_repo"/releases | jq -r '.[0].tag_name' | tr -d " \t\r\n")
+
+  echo -n "$tag_name"
+}
+
 # Checks if version is semver and removes "v" from the beginning
 version()
 {
@@ -49,11 +61,20 @@ branch_chart_version()
     # Develop has no meaningful version
     echo "0.0.0"
   elif [ "$CHECK_BRANCH" == "main" ]; then
-    # Main has no meaningful version, other than the date-time
+    local latest_tag=$(github_latest_version_tag "$GITHUB_ORG" "$GITHUB_REPO")
+    # Main sits one version bump ahead of the latest GitHub release.
+    local bumped_github_latest=""
+    # Bump minor by default.
+    if [ "$BUMP_MAJOR_FOR_MAIN" = "true" ]; then
+      bumped_github_latest=$(semver bump major "$latest_tag")
+    else
+      bumped_github_latest=$(semver bump minor "$latest_tag")
+    fi
+    # Date-time appended to main tag, if present.
     if [ -n "$DATE_TIME" ]; then
-      echo "0.0.0-$DATE_TIME"
+      echo "$bumped_github_latest-$DATE_TIME"
     else
-      echo "0.0.0-main"
+      echo "$bumped_github_latest-main"
     fi
   elif [ "$RELEASE_V" != "${CHECK_BRANCH}" ]; then
     if [ "$(semver validate "$RELEASE_V")" == "valid" ]; then
@@ -112,12 +133,16 @@ Options:
   -d, --dry-run                                   Output actions that would be taken, but don't run them.
   -h, --help                                      Display this text.
   --check-chart          <branch>                 Check if the chart version/app version is correct for the branch.
-    --develop-to-release                            Also upgrade the chart to the release version matching the branch.
+  --develop-to-release                            Also upgrade the chart to the release version matching the branch.
   --app-tag              <tag>                    The appVersion tag.
   --override-index       <latest_version>         Override the latest chart version from the published chart's index.
   --index-file           <index_yaml>             Use the provided index.yaml instead of fetching from the git branch.
   --override-chart       <version> <app_version>  Override the Chart.yaml version and app version.
   --date-time            <date-time>              The date-time in the format +"$DATE_TIME_FMT".
+  --github-org           <org_name>               Set GitHub org name (default "openebs").
+  --github-repo          <repo_name>              Set GitHub repository name (default "mayastor-extensions").
+  --bump-major-for-main                           Bump latest released GitHub version tag major version for 'main'
+                                                  branch, instead of the minor version.
 
 Examples:
   $(basename "$0") --app-tag v2.0.0-alpha.0
@@ -149,6 +174,9 @@ DEVELOP_TO_REL=
 DATE_TIME_FMT="%Y-%m-%d-%H-%M-%S"
 DATE_TIME=
 IGNORE_INDEX_CHECK=
+GITHUB_ORG="openebs"
+GITHUB_REPO="mayastor-extensions"
+BUMP_MAJOR_FOR_MAIN="false"
 
 # Check if all needed tools are installed
 semver --version >/dev/null
@@ -204,6 +232,20 @@ while [ "$#" -gt 0 ]; do
       DATE_TIME=$1
       shift
       ;;
+    --github-org)
+      shift
+      GITHUB_ORG=$1
+      shift
+      ;;
+    --github-repo)
+      shift
+      GITHUB_REPO=$1
+      shift
+      ;;
+    --bump-major-for-main)
+      BUMP_MAJOR_FOR_MAIN="true"
+      shift
+      ;;
     *)
       help
       die "Unknown option: $1"

shell.nix

@@ -39,6 +39,7 @@ mkShell {
     utillinux
     which
     yq-go
+    jq
   ] ++ pkgs.lib.optional (!norust) channel.default_src.nightly
   ++ pkgs.lib.optional (system == "aarch64-darwin") darwin.apple_sdk.frameworks.Security;