Extracted to build-tools

.drone.yml

@@ -10,21 +10,14 @@ steps:
   - name: step1
     image: alpine
     commands:
-      - apk add perl git
-      - git show --name-only --pretty="format:" | grep '^charts'
-      - git show --name-only --pretty="format:" | grep '^charts' | perl -pe 's:^([^/]*?/[^/]*?)/.*:$1:'
-      - git show --name-only --pretty="format:" | grep '^charts' | perl -pe 's:^([^/]*?/[^/]*?)/.*:$1:' | sort | uniq
-      - var1=$(git show --name-only --pretty="format:")
-      - echo "$var1"
-      # - var2=$(git show --name-only --pretty="format:" | grep '^charts')
-      # - echo "$var2"
-      - var3=$(git show --name-only --pretty="format:" | grep '^charts' | perl -pe 's:^([^/]*?/[^/]*?)/.*:$1:')
-      - echo "$var3"
-      # - var4=$(git show --name-only --pretty="format:" | grep '^charts' | perl -pe 's:^([^/]*?/[^/]*?)/.*:$1:' | sort)
-      # - echo "$var4"
-      - changed_charts=$(git show --name-only --pretty="format:" | grep '^charts' | perl -pe 's:^([^/]*?/[^/]*?)/.*:$1:' | sort | uniq)
-      - echo "$changed_charts"
-      - echo "This is after"
+      - ls
+      - find build-tools
+      - find charts
+      - echo $SHELL
+      - ./build-tools/upload-new-versions.sh
+    environment:
+          GITEA_PASSWORD:
+            from_secret: gitea_password
 
 image_pull_secrets:
   - dockerconfigjson

README.md

@@ -15,6 +15,11 @@ $ curl --user <username>:<password> -X POST --upload-file ./<package>.tgz https:
 ### Installation
 
 ```bash
-$ helm repo add --username <username> --password <password> <repo-alias> https://hostname.of.gitea/api/packages/scubbo/helm
+$ helm repo add --username <username> --password <password> <repo-alias> https://hostname.of.gitea/api/packages/<user>/helm
 $ helm install <release-name> <repo-alias>/<name>
 ```
+
+## Other links
+
+* [General documentation on repositories](https://helm.sh/docs/topics/chart_repository/)
+* [Gitea's own documentation](https://docs.gitea.com/next/usage/packages/helm)

build-tools/upload-new-versions.sh

@@ -0,0 +1,36 @@
+#!/bin/sh
+
+set -x
+
+apk add git curl jq helm;
+# Intentionally does not handle renames, which would begin with `R`.
+changed_charts=$(git show --name-status --pretty="format:" | grep '^[MA]' | cut -f 2- | grep '^charts' | cut -d '/' -f 1,2 | sort | uniq);
+echo "$changed_charts";
+current_versions=$(curl -s --user scubbo:$GITEA_PASSWORD https://gitea.scubbo.org/api/v1/packages/scubbo | jq -r '.[] | select(.type == "helm") | .name + "___" + .version');
+echo "$current_versions";
+
+mkdir bundles;
+for changed_chart in $changed_charts
+do
+  echo "Operating on $changed_chart";
+  # e.g. /Users/scubbo/Code/helm-charts/hello-world-0.1.1.tgz
+  output_location=$(helm package $changed_chart | rev | cut -d ' ' -f 1 | rev);
+  # e.g. hello-world-0.1.1
+  file_metadata=$(echo $output_location | rev | cut -d '/' -f 1 | cut -c 5- | rev);
+  chart_name=$(echo $file_metadata | rev | cut -d '-' -f 2- | rev);
+  chart_version=$(echo $file_metadata | rev | cut -d '-' -f 1 | rev);
+  if [[ $(echo $current_versions | grep "$chart_name___$chart_version" | wc -l ) -eq 1 ]]; then
+    # I.e. if the current version in the repo is the same as what we're trying to push
+    # TODO - should we check that we're pushing a _newer_ version?
+    # TODO - does the API only show the current version, or all versions?
+    echo "Version clash ($chart_version) for $chart_name";
+    exit 1;
+  else
+    # Move to a directory so we can upload later. Do this after checking all packages so there's no partial update
+    mv $output_location bundles/;
+  fi
+done
+
+# All packages have been checked, no version conflicts - upload them all!
+find bundles -type f -exec curl -s --user "scubbo:$GITEA_PASSWORD" -X POST --upload-file '{}' https://gitea.scubbo.org/api/packages/scubbo/helm/api/charts \;
+rm -rf bundles;

charts/hello-world/i-am-a-new-file

@@ -0,0 +1 @@
+I have content!