From 0f91b229fa05d5fc60714e9a41fa85693a81fb3b Mon Sep 17 00:00:00 2001
From: David Holdeman <david@chuckwagoncomputing.com>
Date: Tue, 21 Feb 2023 12:35:13 -0600
Subject: [PATCH] use read to store message in variable (#5116)

---
 .github/workflows/build-firmware.yaml | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)

diff --git a/.github/workflows/build-firmware.yaml b/.github/workflows/build-firmware.yaml
index fd42015089..43824c1860 100644
--- a/.github/workflows/build-firmware.yaml
+++ b/.github/workflows/build-firmware.yaml
@@ -303,8 +303,11 @@ jobs:
       if: ${{ matrix.skip-rate && github.event_name != 'workflow_dispatch' || contains(github.event.head_commit.message, 'only:') }}
       run: |
         # if the commit message contains `only:`, get the part after the semicolon and check if it matches the build target.
-        if echo ${{ github.event.head_commit.message }} | grep "only:"; then
-          if [ "$(echo ${{ github.event.head_commit.message }} | grep -Po '(?<=only:)[^\s]*')" = "${{ matrix.build-target }}" ]; then
+        read -d ' ' MSG << EOM || true
+        ${{ github.event.head_commit.message }}
+        EOM
+        if echo $MSG | grep "only:"; then
+          if [ "$(echo $MSG | grep -Po '(?<=only:)[^\s]*')" = "${{ matrix.build-target }}" ]; then
             exit 0
           else
             # if it doesn't match, skip this job.