From 891c4ac68e507ec74ec3e422aa21ea0a66fe250d Mon Sep 17 00:00:00 2001
From: Timothy Flynn <trflynn89@pm.me>
Date: Wed, 24 Apr 2024 15:03:06 -0400
Subject: [PATCH] CI: Bust the toolchain ccache when the toolchain's major
 version changes

The build will be entirely clean anyways, so no need to preserve the
previous version's ccache.
---
 Meta/Azure/Caches.yml | 15 +++++++++++++--
 1 file changed, 13 insertions(+), 2 deletions(-)

diff --git a/Meta/Azure/Caches.yml b/Meta/Azure/Caches.yml
index fc2b74bc2bf..ad9d1d6e504 100644
--- a/Meta/Azure/Caches.yml
+++ b/Meta/Azure/Caches.yml
@@ -21,6 +21,12 @@ steps:
           key: '"toolchain" | "x86_64" | Toolchain/BuildClang.sh | Toolchain/Patches/llvm/*.patch | Toolchain/CMake/*.cmake | Userland/Libraries/LibC/**/*.h'
           path: $(Build.SourcesDirectory)/Toolchain/Cache
         displayName: 'Toolchain Prebuilt Cache'
+
+      - script: |
+          source $(Build.SourcesDirectory)/Ports/llvm/package.sh
+          echo "##vso[task.setvariable variable=toolchain_version]$(echo ${version} | cut -d'.' -f1)"
+        displayName: 'Toolchain Version'
+
     - ${{ if eq(parameters.toolchain, 'gcc') }}:
       - task: Cache@2
         inputs:
@@ -28,12 +34,17 @@ steps:
           path: $(Build.SourcesDirectory)/Toolchain/Cache
         displayName: 'Toolchain Prebuilt Cache'
 
+      - script: |
+          source $(Build.SourcesDirectory)/Ports/gcc/package.sh
+          echo "##vso[task.setvariable variable=toolchain_version]$(echo ${version} | cut -d'.' -f1)"
+        displayName: 'Toolchain Version'
+
     - ${{ if ne(parameters.toolchain_ccache_path, '') }}:
       - task: Cache@2
         inputs:
-          key: '"toolchain ccache" | "x86_64" | "${{ parameters.toolchain }}" | "${{ parameters.ccache_version }}" | "$(timestamp)"'
+          key: '"toolchain ccache" | "x86_64" | "${{ parameters.toolchain }}" | "$(toolchain_version)" | "${{ parameters.ccache_version }}" | "$(timestamp)"'
           restoreKeys: |
-            "toolchain ccache" | "x86_64" | "${{ parameters.toolchain }}" | "${{ parameters.ccache_version }}"
+            "toolchain ccache" | "x86_64" | "${{ parameters.toolchain }}" | "$(toolchain_version)" | "${{ parameters.ccache_version }}"
           path: ${{ parameters.toolchain_ccache_path }}
         displayName: 'Toolchain Compiler Cache'