Update CI setup, set up Dependabot

.github/dependabot.yml

@@ -0,0 +1,11 @@
+# To get started with Dependabot version updates, you'll need to specify which
+# package ecosystems to update and where the package manifests are located.
+# Please see the documentation for all configuration options:
+# https://docs.github.com/code-security/dependabot/dependabot-version-updates/configuration-options-for-the-dependabot.yml-file
+
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"

.github/workflows/CI.yml

@@ -15,49 +15,48 @@ jobs:
       fail-fast: false
       matrix:
         version:
-          - "1.6"  # LTS
+          - "1.0"  # oldest supported version
+          - "1.6"  # previous LTS release
+          - "lts"
           - "1"    # Latest Release
         os:
           - ubuntu-latest
           - macOS-latest
           - windows-latest
         arch:
-          - x64
-          - x86
+          - default
         exclude:
-          # Test 32-bit only on Linux
+          # macOS default arch is ARM these days which requires Julia >= 1.8
+          - os: macOS-latest
+            version: "1.0"
           - os: macOS-latest
+            version: "1.6"
+        include:
+          # Test 32-bit only on Linux
+          - os: ubuntu-latest
             arch: x86
-          - os: windows-latest
+            version: "lts"
+          - os: ubuntu-latest
             arch: x86
+            version: "1"
     steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v6
+      - uses: julia-actions/setup-julia@v2
         with:
           version: ${{ matrix.version }}
           arch: ${{ matrix.arch }}
-      - uses: actions/cache@v2
-        env:
-          cache-name: cache-artifacts
-        with:
-          path: ~/.julia/artifacts
-          key: ${{ runner.os }}-${{ matrix.arch }}-test-${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
-          restore-keys: |
-            ${{ runner.os }}-${{ matrix.arch }}-test-${{ env.cache-name }}-
-            ${{ runner.os }}-${{ matrix.arch }}-test-
-            ${{ runner.os }}-${{ matrix.arch }}-
-            ${{ runner.os }}-
-      - uses: julia-actions/julia-buildpkg@latest
-      - uses: julia-actions/julia-runtest@latest
+      - uses: julia-actions/cache@v2
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v1
+      - uses: codecov/codecov-action@v5
         with:
-          file: lcov.info
+          token: ${{ secrets.CODECOV_TOKEN }}
 
   slack:
     name: Notify Slack Failure
     needs: test
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     if: always() && github.event_name == 'schedule'
     steps:
       - uses: technote-space/workflow-conclusion-action@v2
@@ -74,12 +73,12 @@ jobs:
     name: Documentation
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v6
+      - uses: julia-actions/setup-julia@v2
         with:
-          version: '1'
+          version: 'lts'
       - run: |
-          julia --project=docs -e '
+          julia --project=docs --color -e '
             using Pkg
             Pkg.develop(PackageSpec(path=pwd()))
             Pkg.instantiate()

.github/workflows/CompatHelper.yml

@@ -5,7 +5,7 @@ on:
   workflow_dispatch:
 jobs:
   CompatHelper:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - name: Pkg.add("CompatHelper")
         run: julia -e 'using Pkg; Pkg.add("CompatHelper")'

.github/workflows/JuliaNightly.yml

@@ -8,22 +8,15 @@ jobs:
     name: Julia Nightly - Ubuntu - x64
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@v1
+      - uses: actions/checkout@v6
+      - uses: julia-actions/setup-julia@v2
         with:
           version: nightly
           arch: x64
-      - uses: actions/cache@v2
-        env:
-          cache-name: julianightly-cache-artifacts
-        with:
-          path: ~/.julia/artifacts
-          key: ${{ env.cache-name }}-${{ hashFiles('**/Project.toml') }}
-          restore-keys: |
-            ${{ env.cache-name }}-
-      - uses: julia-actions/julia-buildpkg@latest
-      - uses: julia-actions/julia-runtest@latest
+      - uses: julia-actions/cache@v2
+      - uses: julia-actions/julia-buildpkg@v1
+      - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v1
+      - uses: codecov/codecov-action@v5
         with:
-          file: lcov.info
+          token: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/TagBot.yml

@@ -1,13 +1,18 @@
 name: TagBot
+
 on:
   issue_comment:
     types:
       - created
   workflow_dispatch:
+    inputs:
+      lookback:
+        default: 3
+
 jobs:
   TagBot:
     if: github.event_name == 'workflow_dispatch' || github.actor == 'JuliaTagBot'
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
       - uses: JuliaRegistries/TagBot@v1
         with:

.github/workflows/blue_style_formatter.yml

@@ -5,10 +5,10 @@ on:
 
 jobs:
   format:
-    runs-on: ubuntu-latest
+    runs-on: ubuntu-slim
     steps:
-      - uses: actions/checkout@v2
-      - uses: julia-actions/setup-julia@latest
+      - uses: actions/checkout@v6
+      - uses: julia-actions/setup-julia@v2
         with:
           version: 1
       - run: |

test/type_utils.jl

@@ -58,15 +58,19 @@
         @test isempty(parameters(Bool))
 
         # type-vars in signatures
-        s = only(parameters(TypeVar(:T)))
+        p = parameters(TypeVar(:T))
+        @test length(p) == 1
+        s = first(p)
         @test s.name == :T
         @test s.lb == Union{}
         @test s.ub == Any
 
         # https://github.com/JuliaTesting/ExprTools.jl/issues/39
         @testset "#39" begin
             s = signature(Tuple{Type{T},T} where {T<:Number})
-            @test only(s[:whereparams]).args[1] == :T
+            w = s[:whereparams]
+            @test length(w) == 1
+            @test first(w).args[1] == :T
         end
     end
 end