From fcf8c918a8fcc9b48f1bb3347609ea3b4fb20946 Mon Sep 17 00:00:00 2001
From: Harmen Stoppels <harmenstoppels@gmail.com>
Date: Thu, 19 Dec 2024 21:48:24 +0100
Subject: [PATCH] remove support for spack 0.21 (#15)

---
 .github/workflows/dev.yml | 14 ++------------
 README.md                 | 11 +----------
 action.yml                |  6 ++----
 3 files changed, 5 insertions(+), 26 deletions(-)

diff --git a/.github/workflows/dev.yml b/.github/workflows/dev.yml
index 37e75f4..fad0521 100644
--- a/.github/workflows/dev.yml
+++ b/.github/workflows/dev.yml
@@ -12,7 +12,7 @@ jobs:
       matrix:
         ref:
         - develop
-        - releases/v0.21
+        - releases/v0.23
     steps:
     - uses: actions/checkout@9bb56186c3b09b4f86b1c65136769dd318469633
 
@@ -29,23 +29,13 @@ jobs:
     - name: Check build cache config
       run: spack config blame mirrors
 
-    - name: Check build cache install in active env with spack-bash shell (new style)
+    - name: Check build cache install in active env with spack-bash shell
       shell: spack-bash {0}
       run: |
         spack env activate
         spack install --add --cache-only --reuse python
         which python3
         python3 -c 'print("hello world")'
-      if: matrix.ref == 'develop'
-
-    - name: Check build cache install in active env with spack-bash shell (old style)
-      shell: spack-bash {0}
-      run: |
-        spack env activate
-        spack install --add --cache-only --reuse --no-check-signature python
-        which python3
-        python3 -c 'print("hello world")'
-      if: matrix.ref == 'releases/v0.21'
 
     - name: Check spack-sh shell
       shell: spack-sh {0}
diff --git a/README.md b/README.md
index fea7ccc..4b04a83 100644
--- a/README.md
+++ b/README.md
@@ -13,7 +13,7 @@ jobs:
     - name: Set up Spack
       uses: spack/setup-spack@v2
       with:
-        ref: develop      # Spack version (examples: develop, releases/v0.21)
+        ref: develop      # Spack version (examples: develop, releases/v0.23)
         buildcache: true  # Configure oci://ghcr.io/spack/github-actions-buildcache
         color: true       # Force color output (SPACK_COLOR=always)
         path: spack       # Where to clone Spack
@@ -23,15 +23,6 @@ jobs:
 When `buildcache: true` is set, binaries from https://github.com/spack/github-actions-buildcache
 are used. For available software, [see here](https://github.com/spack/github-actions-buildcache/blob/main/spack.yaml).
 
-**Note**: when using the build cache with Spack v0.21 and below, the following flag is
-required:
-
-```
-spack install --no-check-signature
-```
-
-This flag is no longer required in Spack v0.22.
-
 ## Example: shell support
 
 If you want to use shell-aware commands such as `spack env activate` and `spack load`,
diff --git a/action.yml b/action.yml
index d689a09..037f866 100644
--- a/action.yml
+++ b/action.yml
@@ -6,7 +6,7 @@ branding:
   color: "blue"
 inputs:
   ref:
-    description: "Version of Spack (git ref: develop, releases/v0.21, ...)"
+    description: "Version of Spack (git ref: develop, releases/v0.23, ...)"
     required: false
     default: develop
   buildcache:
@@ -41,9 +41,7 @@ runs:
   - name: Spack configuration
     run: |
       if [ ${{ inputs.buildcache }} = "true" ]; then
-        # Spack 0.22 should support the --unsigned flag
-        spack mirror add --unsigned github-actions-buildcache oci://ghcr.io/spack/github-actions-buildcache || \
-        spack mirror add github-actions-buildcache oci://ghcr.io/spack/github-actions-buildcache
+        spack mirror add --unsigned github-actions-buildcache oci://ghcr.io/spack/github-actions-buildcache
       fi
     shell: sh