Try to remove COURSIER_ARCHIVE_CACHE configuration (#5916)

Inconsistent application of this environment variable seems to be the
cause of #5910. Before
applying it everywhere, first let's try removing it to see if it's still
needed at all

Author: lihaoyi

.github/actions/post-build-selective/action.yml

@@ -8,10 +8,6 @@ inputs:
     required: true
     type: string
 
-  coursierarchive:
-    default: ''
-    type: string
-
 runs:
   using: "composite"
   steps:
@@ -48,8 +44,6 @@ runs:
     #  shell: ${{ inputs.shell }}
 
     - run: ./mill -i -k selective.run ${{ inputs.millargs }}
-      env:
-        COURSIER_ARCHIVE_CACHE: ${{ inputs.coursierarchive }}
       shell: ${{ inputs.shell }}
 
     - name: Clean-up Test Reports

.github/workflows/post-build-selective.yml

@@ -10,10 +10,6 @@ on:
         required: true
         type: string
 
-      coursierarchive:
-        default: "/tmp"
-        required: false
-        type: string
       java-version:
         required: true
         type: string
@@ -67,5 +63,4 @@ jobs:
 
         with:
           millargs: ${{ inputs.millargs }}
-          coursierarchive: ${{ inputs.coursierarchive }}
           shell: ${{ inputs.shell }}

.github/workflows/publish-artifacts.yml

@@ -27,27 +27,22 @@ jobs:
       matrix:
         include:
         - os: ubuntu-latest
-          coursierarchive: "/tmp"
           publishartifacts: __.publishArtifacts
           uploadgithub: true
 
         - os: ubuntu-24.04-arm
-          coursierarchive: "/tmp"
           publishartifacts: dist.native.publishArtifacts
           uploadgithub: false
 
         - os: macos-13
-          coursierarchive: "/tmp"
           publishartifacts: dist.native.publishArtifacts
           uploadgithub: false
 
         - os: macos-latest
-          coursierarchive: "/tmp"
           publishartifacts: dist.native.publishArtifacts
           uploadgithub: false
 
         - os: windows-latest
-          coursierarchive: C:/coursier-arc
           publishartifacts: dist.native.publishArtifacts
           uploadgithub: false
 
@@ -62,7 +57,6 @@ jobs:
       LANG: "en_US.UTF-8"
       LC_MESSAGES: "en_US.UTF-8"
       LC_ALL: "en_US.UTF-8"
-      COURSIER_ARCHIVE_CACHE: ${{ matrix.coursierarchive }}
       REPO_ACCESS_TOKEN: ${{ secrets.REPO_ACCESS_TOKEN }}
     steps:
       - uses: actions/setup-java@v5

.github/workflows/publish-bridges.yaml

@@ -26,7 +26,6 @@ jobs:
       LANG: "en_US.UTF-8"
       LC_MESSAGES: "en_US.UTF-8"
       LC_ALL: "en_US.UTF-8"
-      COURSIER_ARCHIVE_CACHE: ${{ matrix.coursierarchive }}
       REPO_ACCESS_TOKEN: ${{ secrets.REPO_ACCESS_TOKEN }}
       MILL_COMPILER_BRIDGE_VERSIONS: ${{ inputs.bridge_versions }}
     steps:

.github/workflows/run-tests.yml

@@ -118,7 +118,6 @@ jobs:
       - uses: ./.github/actions/post-build-selective
         with:
           millargs: ${{ matrix.millargs }}
-          coursierarchive: "/tmp"
           shell: bash
 
   linux:
@@ -224,9 +223,6 @@ jobs:
       os: windows-latest
       java-version: ${{ matrix.java-version }}
       millargs: ${{ matrix.millargs }}
-      # Provide a shorter coursier archive folder to avoid hitting path-length bugs when
-      # running the graal native image binary on windows
-      coursierarchive: "C:/coursier-arc"
       shell: powershell
 
   itest: