Add `--no-cache` global flag to bypass Drupal.org CDN caching by Copilot · Pull Request #325 · mglaman/drupalorg-cli

Copilot · 2026-03-19T21:38:36Z

issue:show --with-comments --format=llm returns stale data when Drupal.org's CDN serves a cached response, making it impossible for agents to see recently-posted comments. The skill docs also listed a drupalorg cache:clear command that doesn't exist, actively causing agent failures.

Changes

Client::__construct(bool $noCache = false) — when set, adds Cache-Control: no-cache, no-store, must-revalidate + Pragma: no-cache to all Guzzle requests
Application::getDefaultInputDefinition() — injects --no-cache as a Symfony Console global option; available on every command with no per-command changes required
Command::initialize() — reads --no-cache via $input->hasOption() and passes it to Client
skills/drupalorg-cli/SKILL.md — removes the non-existent cache:clear entry; adds a ## Cache Bypass section documenting --no-cache

# Fetch fresh issue data, bypassing CDN cache
drupalorg issue:show 3578142 --with-comments --format=llm --no-cache

Warning

Firewall rules blocked me from connecting to one or more addresses (expand for details)

I tried to connect to the following addresses, but was blocked by firewall rules:

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If you need me to access, download, or install something from one of these locations, you can either:

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Original prompt

This section details on the original issue you should resolve

<issue_title>drupalorg issue:show --format=llm unable to find latest comments</issue_title>
<issue_description>Genuinely started using the skill you announced at https://mglaman.dev/blog/drupalorg-cli-080-gitlab-issue-fork-and-merge-request-commands — thanks so much! 🙏

Context

I have your drupalorg-cli AI skills installed :)

I have an AI working on https://www.drupal.org/project/canvas/issues/3578142

While it was doing its thing, I was doing research in Drupal core. I updated the issue with new info in comment mglaman/drupalorg-cli#6

I informed the AI: "FYI a new comment with a new insight was posted — ensure the relevant @todo is added to the code you propose."

Problem

That is when I observed an inability to fetch this new comment, which is impairing real-time human-in-the-loop collaboration.

Output
Let me check the latest comment on the issue:
# Fetch latest issue comments
$ drupalorg issue:show 3578142 --with-comments --format=llm
then it did
The issue still shows the same comments I read before — the API cache might be stale. Let me try clearing the cache and fetching again:
# Clear cache and re-fetch issue
$ drupalorg cache:clear && drupalorg issue:show 3578142 --with-comments --format=llm
There are no commands defined in the "cache" namespace.
😂

Then:
# Fetch issue without cache
$ drupalorg issue:show 3578142 --with-comments --format=llm --no-cache 2>/dev/null || drupalorg issue:show 3578142 --with-comments --format=text
Finally:
The issue still shows the same 5 comments. Let me check the issue page directly via web fetch to see if there's a newer comment:
% WebFetch https://www.drupal.org/project/canvas/issues/3578142
Found it. Comment mglaman/drupalorg-cli#6 mentions the upstream issue mglaman/drupalorg-cli#3001284: Allow plugin derivers to specify cache tags for their definitions. And the issue summary was updated to include:
It's totally possible that d.o's HTTP API caching is what's getting in the way, but I think this repo's skill would be the ideal place to standardize some strategy to handle this.</issue_description>

Comments on the Issue (you are @copilot in this section)
@mglaman I bet it's the http caching on D.o, I removed all internal caching here (but the AI seems to think it exists! Something must have snuck into a skill).
I wonder if there's a comments endpoint to filter by issue ID that is busted faster. But I guess the problem would also exist for issue summary updates on the issue </comment_new>
<comment_new>@mglaman
Yeah, or something like --bypass-cache or even --fresh</comment_new>

Fixes drupalorg issue:show --format=llm unable to find latest comments #321

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Co-authored-by: mglaman <3698644+mglaman@users.noreply.github.com>

Copilot

Pull request overview

Adds a global CLI switch to bypass Drupal.org’s CDN/Varnish caching so agents can fetch fresh issue/comment data, and updates the agent skill docs to stop referencing a non-existent cache command.

Changes:

Add global --no-cache Symfony Console option available to all commands.
Thread the flag through command initialisation into the Drupal.org API Client.
Update skills/drupalorg-cli/SKILL.md to remove cache:clear and document cache bypass usage.

Reviewed changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
src/Cli/Command/Command.php	Reads `--no-cache` from input and passes it into the API client.
src/Cli/Application.php	Registers `--no-cache` as a global console option.
src/Api/Client.php	Adds request headers when cache bypass is enabled.
skills/drupalorg-cli/SKILL.md	Documents `--no-cache` and removes invalid `cache:clear` guidance.

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src/Api/Client.php

Copilot · 2026-03-20T00:34:15Z

src/Api/Client.php

@@ -31,16 +31,22 @@ public function __construct()
            'default_retry_multiplier' => 1.5,
        ]), 'retry');

+        $headers = [
+            'User-Agent' => 'DrupalOrgCli/0.0.1',
+            'Accept' => 'application/json',
+            'Accept-Encoding' => '*',
+        ];
+        if ($noCache) {
+            $headers['Cache-Control'] = 'no-cache, no-store, must-revalidate';
+            $headers['Pragma'] = 'no-cache';
+        }


This new --no-cache behavior is user-facing and implemented in the HTTP client constructor, but there’s no test asserting that new Client(true) actually sets the expected request headers on the underlying Guzzle client. Since the repo has PHPUnit coverage for actions, please add a small unit test for Client that inspects the Guzzle client config/handler to verify the headers are applied when the flag is enabled (and absent when disabled).

Copilot · 2026-03-20T00:34:16Z

skills/drupalorg-cli/SKILL.md

+`--no-cache` sends `Cache-Control: no-cache, no-store, must-revalidate` and
+`Pragma: no-cache` headers so the upstream CDN returns a fresh response.
+


The docs state --no-cache sends Cache-Control: no-cache, no-store, must-revalidate, but must-revalidate isn’t a request directive and may be ignored. Update this section to reflect the actual (standards-aligned) request headers that will be sent after adjusting the client header value.

Suggested change

`--no-cache` sends `Cache-Control: no-cache, no-store, must-revalidate` and

`Pragma: no-cache` headers so the upstream CDN returns a fresh response.

`--no-cache` sends a `Cache-Control: no-cache` request header so the upstream CDN will revalidate and return a fresh response where supported.

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Initial plan

a87f4b6

Copilot AI assigned Copilot and mglaman Mar 19, 2026

Copilot started work on behalf of mglaman March 19, 2026 21:38 View session

Add --no-cache global option to bypass Drupal.org HTTP caching

f692752

Co-authored-by: mglaman <3698644+mglaman@users.noreply.github.com>

Copilot AI changed the title ~~[WIP] Fix issue with fetching latest comments in drupalorg-cli~~ Add --no-cache global flag to bypass Drupal.org CDN caching Mar 19, 2026

Copilot AI requested a review from mglaman March 19, 2026 21:53

Copilot finished work on behalf of mglaman March 19, 2026 21:53

mglaman marked this pull request as ready for review March 20, 2026 00:30

mglaman requested a review from Copilot March 20, 2026 00:30

Copilot started reviewing on behalf of mglaman March 20, 2026 00:31 View session

Copilot AI reviewed Mar 20, 2026

View reviewed changes

Update src/Api/Client.php

8d9cfa7

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

mglaman approved these changes Mar 20, 2026

View reviewed changes

mglaman merged commit e655423 into main Mar 20, 2026
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Add `--no-cache` global flag to bypass Drupal.org CDN caching#325

Add `--no-cache` global flag to bypass Drupal.org CDN caching#325
mglaman merged 3 commits intomainfrom
copilot/fix-latest-comments-fetch

Copilot AI commented Mar 19, 2026 •

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		`--no-cache` sends `Cache-Control: no-cache, no-store, must-revalidate` and
		`Pragma: no-cache` headers so the upstream CDN returns a fresh response.

	`--no-cache` sends `Cache-Control: no-cache, no-store, must-revalidate` and
	`Pragma: no-cache` headers so the upstream CDN returns a fresh response.
	`--no-cache` sends a `Cache-Control: no-cache` request header so the upstream CDN will revalidate and return a fresh response where supported.

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Copilot AI commented Mar 19, 2026 •

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