From 56ed917afc638e2dd11f48e96c4f0d26038d52b4 Mon Sep 17 00:00:00 2001
From: Mike Hardy <github@mikehardy.net>
Date: Mon, 5 Jan 2026 11:59:15 -0500
Subject: [PATCH] perf(ci): only save ccache on main branch

prevents LRU eviction thrashing of caches since we are near the limit
on useful caches for a single CI run
---
 .github/workflows/tests_e2e_ios.yml   | 1 +
 .github/workflows/tests_e2e_other.yml | 1 +
 2 files changed, 2 insertions(+)

diff --git a/.github/workflows/tests_e2e_ios.yml b/.github/workflows/tests_e2e_ios.yml
index 0462e80bd3..71e5088ad7 100644
--- a/.github/workflows/tests_e2e_ios.yml
+++ b/.github/workflows/tests_e2e_ios.yml
@@ -163,6 +163,7 @@ jobs:
         name: Xcode Compile Cache
         with:
           key: ${{ runner.os }}-${{ matrix.buildmode }}-ios-v3 # makes a unique key w/related restore key internally
+          save: "${{ github.ref == 'refs/heads/main' }}"
           create-symlink: true
           max-size: 1500M
 
diff --git a/.github/workflows/tests_e2e_other.yml b/.github/workflows/tests_e2e_other.yml
index 98a41322f3..c75d880b0e 100644
--- a/.github/workflows/tests_e2e_other.yml
+++ b/.github/workflows/tests_e2e_other.yml
@@ -148,6 +148,7 @@ jobs:
         name: Xcode Compile Cache
         with:
           key: ${{ runner.os }}-macos-v2
+          save: "${{ github.ref == 'refs/heads/main' }}"
           create-symlink: true
           max-size: 1500M