better error messages

Author: simonbyrne

.github/workflows/UnitTests.yml

@@ -28,8 +28,6 @@ jobs:
       fail-fast: false
 
     runs-on: ${{ matrix.os }}
-    env:
-      JULIA_MPIEXEC_ARGS: ${{ matrix.mpiexec_args }}
 
     steps:
     - name: Cancel Previous Runs
@@ -44,25 +42,14 @@ jobs:
       with:
         arch: ${{ matrix.julia_arch }}
         version: ${{ matrix.julia_version }}
-
-    # https://discourse.julialang.org/t/recommendation-cache-julia-artifacts-in-ci-services/35484
-    - name: Cache artifacts
-      uses: actions/cache@v1
-      env:
-        cache-name: cache-artifacts
-      with:
-        path: ~/.julia/artifacts
-        key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
-        restore-keys: |
-          ${{ runner.os }}-test-${{ env.cache-name }}-
-          ${{ runner.os }}-test-
-          ${{ runner.os }}-
+    - uses: julia-actions/cache@v1
 
     - name: add MPIPreferences
       shell: julia --color=yes --project=. {0}
       run: |
         using Pkg
         Pkg.develop(path="lib/MPIPreferences")
+
     - uses: julia-actions/julia-buildpkg@latest
     - uses: julia-actions/julia-runtest@latest
 
@@ -164,26 +151,21 @@ jobs:
       with:
         version: ${{ matrix.julia_version }}
 
-    # https://discourse.julialang.org/t/recommendation-cache-julia-artifacts-in-ci-services/35484
-    - name: Cache artifacts
-      uses: actions/cache@v1
-      env:
-        cache-name: cache-artifacts
-      with:
-        path: ~/.julia/artifacts
-        key: ${{ runner.os }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
-        restore-keys: |
-          ${{ runner.os }}-test-${{ env.cache-name }}-
-          ${{ runner.os }}-test-
-          ${{ runner.os }}-
-    - name: "add MPIPreferences"
-      run: julia --project -e 'using Pkg; Pkg.develop(path="lib/MPIPreferences")'
-    - name: "Use system binary"
-      run: julia --project -e 'using MPIPreferences; MPIPreferences.use_system_binary()'
+    - uses: julia-actions/cache@v1
+
+    - name: add MPIPreferences
+      shell: julia --color=yes --project=. {0}
+      run: |
+        using Pkg
+        Pkg.develop(path="lib/MPIPreferences")
+    - name: Use system binary
+      shell: julia --color=yes --project=. {0}
+      run: |
+        using MPIPreferences
+        MPIPreferences.use_system_binary()
     - uses: julia-actions/julia-buildpkg@latest
     - uses: julia-actions/julia-runtest@latest
 
-
   test-intel-linux:
     timeout-minutes: 20
     strategy:

src/MPI.jl

@@ -43,7 +43,7 @@ elseif MPIPreferences.binary == "OpenMPI_jll"
 elseif MPIPreferences.binary == "MicrosofMPI_jll"
     import MicrosofMPI_jll: libmpi, mpiexec
 else
-    error("Unknown MPI binarys")
+    error("Unknown MPI binary: $(MPIPreferences.binary)")
 end
 
 include("consts/consts.jl")