✨ Add feature to delete by tag pattern (#8)

* Implement pattern to match logic

* more logging, more items

* Apply suggestions from code review

Co-authored-by: Thad Guidry <thadguidry@gmail.com>

* fix logging mistake

* Apply suggestions from code review

Co-authored-by: REDDY PRASAD <dev.drprasad@aim.com>

* fix after suggestions

Co-authored-by: Dennis Trümper <privat@truemper-nord.de>
Co-authored-by: Thad Guidry <thadguidry@gmail.com>
Co-authored-by: REDDY PRASAD <dev.drprasad@aim.com>

README.md

@@ -38,3 +38,11 @@ Specifies whether to delete tags associated to older releases or not. Older tags
 | false    | repo executing action |
 
 Repo name in the format of `<owner>/<repoName>`. Defaults to the repo that executing this action
+
+#### `delete_tag_pattern`
+
+| required | default      |
+| -------- | ------------ |
+| false    | empty string |
+
+Specifies a pattern to match. If not specified then every release will be targeted. If specified then every release containing the pattern will be targeted. Use this option for example to remove old beta releases.

action.yml

@@ -16,6 +16,9 @@ inputs:
   delete_tags:
     description: whether to delete tags associated to older releases or not
     required: false
+  delete_tag_pattern:
+    description: part of the tag name. Example, if you want to delete 0.0.1-beta and 0.0.2-beta but not 0.0.1 then set this to just "beta". If not set then it will target all releases.
+    required: false
 
 runs:
   using: "node12"

index.js

@@ -53,6 +53,10 @@ if (shouldDeleteTags) {
   console.log("🔖  corresponding tags also will be deleted");
 }
 
+let deletePattern = process.env.INPUT_DELETE_TAG_PATTERN || "";
+if (deletePattern) {
+  console.log(`releases containing ${deletePattern} will be targeted`);
+}
 const commonOpts = {
   host: "api.github.com",
   port: 443,
@@ -69,19 +73,26 @@ async function deleteOlderReleases(keepLatest) {
   try {
     let data = await fetch({
       ...commonOpts,
-      path: `/repos/${owner}/${repo}/releases`,
+      path: `/repos/${owner}/${repo}/releases?per_page=100`,
       method: "GET",
     });
     data = data || [];
-    const activeReleases = data.filter(({ draft }) => !draft);
-    if (activeReleases.length === 0) {
+    // filter for delete_pattern
+    const activeMatchedReleases = data.filter(
+      ({ draft, tag_name }) => !draft && tag_name.indexOf(deletePattern) !== -1
+    );
+
+    if (activeMatchedReleases.length === 0) {
       console.log(`😕  no active releases found. exiting...`);
       return;
     }
+
+    const matchingLoggingAddition = deletePattern.length > 0 ? " matching" : "";
+
     console.log(
-      `💬  found total of ${activeReleases.length} active release(s)`
+      `💬  found total of ${activeMatchedReleases.length}${matchingLoggingAddition} active release(s)`
     );
-    releaseIdsAndTags = activeReleases
+    releaseIdsAndTags = activeMatchedReleases
       .map(({ id, tag_name: tagName }) => ({ id, tagName }))
       .slice(keepLatest);
   } catch (error) {
@@ -102,6 +113,8 @@ async function deleteOlderReleases(keepLatest) {
     const { id: releaseId, tagName } = releaseIdsAndTags[i];
 
     try {
+      console.log(`starting to delete ${tagName} with id ${releaseId}`);
+
       const _ = await fetch({
         ...commonOpts,
         path: `/repos/${owner}/${repo}/releases/${releaseId}`,