From 30422bae48c816211b105fc05058cad1e5b7e0b4 Mon Sep 17 00:00:00 2001
From: Dan Bonachea <dobonachea@lbl.gov>
Date: Thu, 29 Oct 2026 13:31:24 -0700
Subject: [PATCH 1/2] CI: Silence all of Homebrew's intrusive/irritating
 nonsense warnings

Homebrew is waaaaaay too spammy with their warning policy and we're
fed up with seeing their harmless warnings polluting our workflow
summary. Downgrade all Homebrew warnings to only appear in the log.
---
 .github/workflows/build.yml | 11 +++++++----
 1 file changed, 7 insertions(+), 4 deletions(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index d60ce3624..2a88d2d5f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -186,7 +186,7 @@ jobs:
       LDFLAGS: ${{ matrix.ldflags }}
       CONFIGURE_ARGS: --disable-mpi-compat --enable-rpath --enable-debug --enable-smp --enable-udp ${{ inputs.configure_args }}
       CURL_OPTIONS: --retry 10 --retry-all-errors --fail -L
-      BREW_WARNING_FILTER: 's/^[[:punct:]]*warning[[:punct:]]*(You are using macOS)/warn: \1/i'
+      BREW_WARNING_FILTER: 's/^[[:punct:]]+warning[[:punct:]]+/warning: /i'
       GASNET_BACKTRACE: 1
       GASNET_SPAWN_VERBOSE: 1
       GASNET_VERBOSEENV: 1
@@ -241,7 +241,8 @@ jobs:
           chmod +x install-homebrew.sh
           env CI=1 ./install-homebrew.sh
           HOMEBREW_PREFIX="/home/linuxbrew/.linuxbrew"
-          retry ${HOMEBREW_PREFIX}/bin/brew install -v gcc@${COMPILER_VERSION} binutils
+          retry ${HOMEBREW_PREFIX}/bin/brew install -v gcc@${COMPILER_VERSION} binutils \
+              2>&1 | perl -pe "$BREW_WARNING_FILTER" ; test ${PIPESTATUS[0]} = 0
           ls -al ${HOMEBREW_PREFIX}/bin
           echo "PATH=${HOMEBREW_PREFIX}/bin:${PATH}" >> "$GITHUB_ENV"
           : Homebrew GCC@15 needs binutils 2.44+
@@ -293,7 +294,8 @@ jobs:
       if: ${{ contains(matrix.os, 'macos') }}
       run: |
         # silence Homebrew tap trust warnings:
-        (set +e ; brew untap -f aws/tap hashicorp/tap 2>&1 | perl -pe 's/^::*//;s/^##*//' ; brew trust azure/bicep ; echo )
+        (set +e ; brew untap -f aws/tap hashicorp/tap ; brew trust azure/bicep ) \
+            2>&1 | perl -pe "$BREW_WARNING_FILTER"
         # set some Homebrew knobs to accelerate installation
         # but only when we are not simulating the user environment brew-via-install workflow
         if [[ -z "${{ matrix.brew_via_install }}" ]] ; then
@@ -306,7 +308,8 @@ jobs:
     - name: Install macOS Dependencies
       if: contains(matrix.os, 'macos')
       run: |
-        retry brew update
+        retry brew update \
+            2>&1 | perl -pe "$BREW_WARNING_FILTER" ; test ${PIPESTATUS[0]} = 0
         retry brew install automake \
             2>&1 | perl -pe "$BREW_WARNING_FILTER" ; test ${PIPESTATUS[0]} = 0
         if [[ "${{ matrix.compiler }}@${{ matrix.version }}" == gcc@12 ]] ; then

From aec58b011833cf6d71479d5b61c41dab4fad6463 Mon Sep 17 00:00:00 2001
From: Dan Bonachea <dobonachea@lbl.gov>
Date: Thu, 29 Oct 2026 13:38:21 -0700
Subject: [PATCH 2/2] CI: Retire macos-14 coverage

GitHub is retiring the macos-14 hosted runner
---
 .github/workflows/build.yml | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/.github/workflows/build.yml b/.github/workflows/build.yml
index 2a88d2d5f..8ac48417f 100644
--- a/.github/workflows/build.yml
+++ b/.github/workflows/build.yml
@@ -58,7 +58,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        os: [ macos-14, macos-15, macos-15-intel, macos-26, macos-26-intel, ubuntu-24.04, ubuntu-26.04-arm ]
+        os: [ macos-15, macos-15-intel, macos-26, macos-26-intel, ubuntu-24.04, ubuntu-26.04-arm ]
         compiler: [ gcc ]
         version: [ 12, 13, 14, 15, 16 ]