Release page show all tags in compare dropdown (#20070) (#20071)

Backport #20070 

Just get all tags when creating the compare dropdown. (Also updates the changelog.)
Fix #19936

Author: 6543

Diff for: CHANGELOG.md

@@ -4,9 +4,10 @@ This changelog goes through all the changes that have been made in each release
 without substantial changes to our git log; to see the highlights of what has
 been added to each release, please refer to the [blog](https://blog.gitea.io).
 
-## [1.16.9](https://github.com/go-gitea/gitea/releases/tag/1.16.9) - 2022-06-20
+## [1.16.9](https://github.com/go-gitea/gitea/releases/tag/v1.16.9) - 2022-06-21
 
 * BUGFIXES
+  * Release page show all tags in compare dropdown (#20070) (#20071)
   * Fix permission check for delete tag (#19985) (#20001)
   * Only log non ErrNotExist errors in git.GetNote  (#19884) (#19905)
   * Use exact search instead of fuzzy search for branch filter dropdown (#19885) (#19893)

Diff for: routers/web/repo/release.go

@@ -98,7 +98,14 @@ func releasesOrTags(ctx *context.Context, isTagList bool) {
 		listOptions.PageSize = setting.API.MaxResponseItems
 	}
 
-	tags, err := ctx.Repo.GitRepo.GetTags(listOptions.GetStartEnd())
+	// TODO(20073) tags are used for compare feature witch needs all tags
+	// filtering is doen at the client side atm
+	tagListStart, tagListEnd := 0, 0
+	if isTagList {
+		tagListStart, tagListEnd = listOptions.GetStartEnd()
+	}
+
+	tags, err := ctx.Repo.GitRepo.GetTags(tagListStart, tagListEnd)
 	if err != nil {
 		ctx.ServerError("GetTags", err)
 		return