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WHY

Using GitHub Enterprise (or similar self-hosted Git platforms) often have API URLs with paths like https://git.company.com/api/v3 .

Since PR #21227, these setups have been failing because our webhook validator only expected URLs without paths.

HOW

Update the regex pattern in GetAPIURLRegex() to accept optional path segments.

The key change is replacing the overly strict /?$ (which only allowed a single trailing slash) with (/[\w.%/-]*)?$.

What

Files Modified:

  • util/webhook/webhook.go - Updated regex to support paths in API URLs
  • util/webhook/webhook_test.go - Added test case for enterprise API URL pattern

Fixes: #25095

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@HsiuChuanHsu HsiuChuanHsu requested a review from a team as a code owner January 26, 2026 13:49
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@ppapapetrou76 ppapapetrou76 left a comment

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@HsiuChuanHsu can you please check the failing unit tests?

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HsiuChuanHsu commented Jan 27, 2026

It's all green!

{true, "https://user@example.com/", "https://example.com/", "https+username should match https"},
{true, "http://example.com/", "https://user@example.com/", "http should match https+username"},
{true, "https://example.com/", "https://user@example.com/", "https should match https+username"},
{true, "https://git.ourenterprise.com/", "https://git.ourenterprise.com/api/v3", "enterprise API URL with path should match base repo URL"},
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Would it make sense to add a test case for the common webhook shape where apiURL includes /repos/{owner}/{repo} but the generator API is the base /api/v3?

{true, "https://git.ourenterprise.com/api/v3/repos/org/repo", "https://git.ourenterprise.com/api/v3", "enterprise API URL with repo path should match base API"},

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For sure. Test cases with API path followed by additional repository-specific segments are added.

Signed-off-by: HsiuChuanHsu <hchsu2106@gmail.com>
Signed-off-by: HsiuChuanHsu <hchsu2106@gmail.com>
Add test cases that verify the regex accepts webhook URLs containing
the base API path followed by additional repository-specific segments.

Signed-off-by: HsiuChuanHsu <hchsu2106@gmail.com>
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3 participants