From 3dd525d7675f8434dac07ba359480e0d6cb07a7a Mon Sep 17 00:00:00 2001
From: Yoshiya Hinosawa <stibium121@gmail.com>
Date: Fri, 9 Apr 2021 02:37:59 +0900
Subject: [PATCH] ci: use gnu tar on macos (#10069)

---
 .github/workflows/ci.yml | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 4f76e8cd7d..36b462ab28 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -163,6 +163,13 @@ jobs:
       - name: Restore timestamps
         run: python ./tools/restore_mtime.py
 
+      # Work around https://github.com/actions/cache/issues/403 by using GNU tar
+      # instead of BSD tar.
+      - name: Install GNU tar
+        if: matrix.os == 'macos-10.15'
+        run: |
+          brew install gnu-tar
+
       - name: Cache
         uses: actions/cache@v2
         with: