From 13ef09aefdd653c19b439a0a12fa1924498f01b8 Mon Sep 17 00:00:00 2001
From: cyqsimon <28627918+cyqsimon@users.noreply.github.com>
Date: Tue, 16 Apr 2024 19:49:53 +0800
Subject: CI: use sccache to speed up CI (#408)

* CI: use sccache to speed up CI

* Write changelog

* Only use sccache for non-cross targets
---
 .github/workflows/ci.yaml | 11 +++++++++++
 CHANGELOG.md              |  1 +
 2 files changed, 12 insertions(+)

diff --git a/.github/workflows/ci.yaml b/.github/workflows/ci.yaml
index 11027ba..8e01f19 100644
--- a/.github/workflows/ci.yaml
+++ b/.github/workflows/ci.yaml
@@ -50,6 +50,11 @@ jobs:
     name: Test on each target
     needs: get-msrv
     env:
+      # use sccache
+      # It's too much of a hassle to set up sccache in cross.
+      # See https://github.com/cross-rs/cross/wiki/Recipes#sccache.
+      SCCACHE_GHA_ENABLED: ${{ matrix.cargo == 'cargo' && 'true' || 'false'}}
+      RUSTC_WRAPPER: ${{ matrix.cargo == 'cargo' && 'sccache' || '' }}
       # Emit backtraces on panics.
       RUST_BACKTRACE: 1
     runs-on: ${{ matrix.os }}
@@ -114,6 +119,12 @@ jobs:
           toolchain: ${{ matrix.rust }}
           targets: ${{ matrix.target }}
           components: clippy
+      
+      - name: Set up sccache
+        # It's too much of a hassle to set up sccache in cross.
+        # See https://github.com/cross-rs/cross/wiki/Recipes#sccache.
+        if: matrix.cargo == 'cargo'
+        uses: mozilla-actions/sccache-action@v0.0.4
 
       - name: Install cross
         if: matrix.cargo == 'cross'
diff --git a/CHANGELOG.md b/CHANGELOG.md
index bc98dfd..5560e2a 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -23,6 +23,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 * CI: add builds for target `aarch64-linux-android` #384 - @flxo
 * CI: Keep GitHub Actions up to date with GitHub's Dependabot #403 - @cclauss
 * CI: Enable more cross-compiled builds #401 - @cyqsimon
+* CI: use sccache to speed up CI #408 - @cyqsimon
 
 ## Changed
 
-- 
cgit v1.2.3