[llvm] workflows/release-binaries: Fix digest generation on macOS (PR #176440)

[Tom Stellard via llvm-commits]

https://github.com/tstellar updated https://github.com/llvm/llvm-project/pull/176440

>From 7a456c5a480a299e3e7a664bcf25641b5fe0ad74 Mon Sep 17 00:00:00 2001
From: Tom Stellard <tstellar at redhat.com>
Date: Fri, 16 Jan 2026 09:39:30 -0800
Subject: [PATCH] workflows/release-binaries: Fix digest generation on macOS

The sha256sum command is not available on macOS runners.
---
 .github/workflows/release-binaries.yml | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

diff --git a/.github/workflows/release-binaries.yml b/.github/workflows/release-binaries.yml
index a727cf5d929c5..4b1e80bcca30f 100644
--- a/.github/workflows/release-binaries.yml
+++ b/.github/workflows/release-binaries.yml
@@ -287,7 +287,13 @@ jobs:
         # This will be empty on non-Windows builds.
         WINDOWS_INSTALLER_FILENAME: ${{ steps.build-windows.outputs.windows-installer-filename }}
       run: |
-          echo "digest=$(cat $WINDOWS_INSTALLER_FILENAME $RELEASE_BINARY_FILENAME | sha256sum | cut -d ' ' -f 1)" >> $GITHUB_OUTPUT
+          if [ "$RUNNER_OS" = "macOS" ]; then
+            # Mac runners don't have sha256sum.
+            sha256sum="shasum -a 256"
+          else
+            sha256sum="sha256sum"
+          fi
+          echo "digest=$(cat $WINDOWS_INSTALLER_FILENAME $RELEASE_BINARY_FILENAME | $sha256sum | cut -d ' ' -f 1)" >> $GITHUB_OUTPUT
 
     - uses: actions/upload-artifact at b7c566a772e6b6bfb58ed0dc250532a479d7789f # v6.0.0
       id: artifact-upload