From 4d20b07cbf82ebd1a628eeee2f9c88d553b332b7 Mon Sep 17 00:00:00 2001
From: E M <5089238+emizzle@users.noreply.github.com>
Date: Mon, 22 Jun 2026 14:40:52 +1000
Subject: [PATCH] silence homebrew tap warnings

---
 .github/actions/nimbus-build-system/action.yml | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/.github/actions/nimbus-build-system/action.yml b/.github/actions/nimbus-build-system/action.yml
index 7c7230e8..4b692f58 100644
--- a/.github/actions/nimbus-build-system/action.yml
+++ b/.github/actions/nimbus-build-system/action.yml
@@ -41,6 +41,15 @@ runs:
     - name: Homebrew (macOS)
       if: inputs.os == 'macos'
       shell: ${{ inputs.shell }} {0}
+      env:
+        # The macOS runner image ships preinstalled, untrusted taps
+        # (aws/tap, azure/bicep) that make brew emit a "taps are not trusted"
+        # warning on every invocation. We only install the core `libomp`
+        # formula (always trusted), so opt into Homebrew's upcoming default
+        # of ignoring untrusted taps to silence the warning. Using the
+        # forward-compatible flag; HOMEBREW_NO_REQUIRE_TAP_TRUST is slated
+        # for removal.
+        HOMEBREW_REQUIRE_TAP_TRUST: 1
       run: |
         brew install libomp