workflows: use -latest images where appropriate

9 files changed, 24 insertions, 24 deletions

diff --git a/.github/workflows/basic.yml b/.github/workflows/basic.yml
index a92e708..d1883b6 100644
--- a/.github/workflows/basic.yml
+++ b/.github/workflows/basic.yml
@@ -10,18 +10,18 @@ on:
 
 jobs:
   lint:
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     name: Linting
     steps:
       - name: Checkout
         uses: actions/checkout@v2
       - name: Run clang-format
-        run: ./tools/project-clang-format.py --clang-format clang-format-10
+        run: ./tools/project-clang-format.py
 
   os:
     strategy:
       matrix:
-        os: [ubuntu-20.04, windows-2016, windows-2019]
+        os: [ubuntu-18.04, ubuntu-20.04, windows-2016, windows-2019]
         include:
           - boost-version: 1.72.0
     runs-on: '${{ matrix.os }}'
@@ -55,7 +55,7 @@ jobs:
       matrix:
         python-version: [3.6, 3.7, 3.8, 3.9, 3.x]
         include:
-          - os: ubuntu-20.04
+          - os: ubuntu-latest
           - boost-version: 1.72.0
     runs-on: '${{ matrix.os }}'
     name: 'Python ${{ matrix.python-version }}'
@@ -88,7 +88,7 @@ jobs:
   publish:
     # TODO: figure out how to add a dependency on the *toolsets workflows.
     needs: [lint, os, python-versions]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     name: Publish
     steps:
       - name: Checkout
diff --git a/.github/workflows/boost_clang_windows.yml b/.github/workflows/boost_clang_windows.yml
index 6c2612d..8d3c1b7 100644
--- a/.github/workflows/boost_clang_windows.yml
+++ b/.github/workflows/boost_clang_windows.yml
@@ -25,7 +25,7 @@ jobs:
           - {toolset: clang, b2_toolset: clang}
           - {toolset: clang-cl, b2_toolset: clang-win}
 
-    runs-on: windows-2019
+    runs-on: windows-latest
 
     name: '${{ matrix.toolset }} / ${{ matrix.boost-version }}'
 
diff --git a/.github/workflows/boost_download.yml b/.github/workflows/boost_download.yml
index a9eb826..8b27948 100644
--- a/.github/workflows/boost_download.yml
+++ b/.github/workflows/boost_download.yml
@@ -13,7 +13,7 @@ jobs:
     strategy:
       matrix:
         boost-version: [1.58.0, 1.72.0]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     name: 'Download: ${{ matrix.boost-version }}'
     defaults:
       run:
diff --git a/.github/workflows/boost_toolsets.yml b/.github/workflows/boost_toolsets.yml
index 9f81156..ba027c6 100644
--- a/.github/workflows/boost_toolsets.yml
+++ b/.github/workflows/boost_toolsets.yml
@@ -15,13 +15,13 @@ jobs:
         boost-version: [1.58.0, 1.65.0, 1.72.0]
         toolset: [auto, clang, clang-cl, gcc, mingw, msvc]
         cygwin: [0, 1]
-        os: [ubuntu-18.04, windows-2016, windows-2019]
+        os: [ubuntu-latest, windows-2016, windows-2019]
 
         include:
           # Prettier run names.
           - {os: windows-2019, name: Windows 2019}
           - {os: windows-2016, name: Windows 2016}
-          - {os: ubuntu-18.04, name: Ubuntu}
+          - {os: ubuntu-latest, name: Ubuntu}
           - {cygwin: 1, name: Cygwin}
           # Target platform.
           - {boost-version: 1.58.0, platform: x64}
@@ -52,9 +52,9 @@ jobs:
             libraries: filesystem program_options regex system
         exclude:
           # Ubuntu: no MSVC/clang-cl/Cygwin.
-          - {os: ubuntu-18.04, toolset: msvc}
-          - {os: ubuntu-18.04, toolset: clang-cl}
-          - {os: ubuntu-18.04, cygwin: 1}
+          - {os: ubuntu-latest, toolset: msvc}
+          - {os: ubuntu-latest, toolset: clang-cl}
+          - {os: ubuntu-latest, cygwin: 1}
           # Cygwin: no MSVC/clang-cl.
           - {cygwin: 1, toolset: msvc}
           - {cygwin: 1, toolset: clang-cl}
diff --git a/.github/workflows/ci_appveyor.yml b/.github/workflows/ci_appveyor.yml
index fd4494f..069eed5 100644
--- a/.github/workflows/ci_appveyor.yml
+++ b/.github/workflows/ci_appveyor.yml
@@ -17,7 +17,7 @@ jobs:
       matrix:
         platform: [Win32, x64]
         configuration: [Debug, Release]
-    runs-on: windows-2019
+    runs-on: windows-latest
     name: '${{ matrix.platform }} / ${{ matrix.configuration }}'
     defaults:
       run:
diff --git a/.github/workflows/ci_github.yml b/.github/workflows/ci_github.yml
index b01d041..ae35e4d 100644
--- a/.github/workflows/ci_github.yml
+++ b/.github/workflows/ci_github.yml
@@ -12,13 +12,13 @@ jobs:
   build:
     strategy:
       matrix:
-        os: [ubuntu-20.04, windows-2019]
+        os: [ubuntu-latest, windows-latest]
         toolset: [gcc, clang, msvc]
         configuration: [Debug, Release]
         exclude:
-          - {os: ubuntu-20.04, toolset: msvc}
-          - {os: windows-2019, toolset: gcc}
-          - {os: windows-2019, toolset: clang}
+          - {os: ubuntu-latest, toolset: msvc}
+          - {os: windows-latest, toolset: gcc}
+          - {os: windows-latest, toolset: clang}
     runs-on: '${{ matrix.os }}'
     name: '${{ matrix.os }} / ${{ matrix.toolset }} / ${{ matrix.configuration }}'
     defaults:
diff --git a/.github/workflows/ci_travis.yml b/.github/workflows/ci_travis.yml
index b9a31d9..49ae907 100644
--- a/.github/workflows/ci_travis.yml
+++ b/.github/workflows/ci_travis.yml
@@ -16,7 +16,7 @@ jobs:
     strategy:
       matrix:
         configuration: [Debug, Release]
-    runs-on: ubuntu-20.04
+    runs-on: ubuntu-latest
     name: '${{ matrix.configuration }}'
     defaults:
       run:
diff --git a/.github/workflows/cygwin_static_libstdc++.yml b/.github/workflows/cygwin_static_libstdc++.yml
index 7cf4c0b..31bb414 100644
--- a/.github/workflows/cygwin_static_libstdc++.yml
+++ b/.github/workflows/cygwin_static_libstdc++.yml
@@ -17,7 +17,7 @@ on:
 
 jobs:
   test:
-    runs-on: windows-2019
+    runs-on: windows-latest
 
     name: Test
 
diff --git a/.github/workflows/example_toolsets.yml b/.github/workflows/example_toolsets.yml
index 4f0f8de..a55c7b7 100644
--- a/.github/workflows/example_toolsets.yml
+++ b/.github/workflows/example_toolsets.yml
@@ -15,13 +15,13 @@ jobs:
         example: [simple, static, dynamic]
         toolset: [auto, clang, clang-cl, gcc, mingw, msvc]
         cygwin: [0, 1]
-        os: [ubuntu-18.04, windows-2016, windows-2019]
+        os: [ubuntu-latest, windows-2016, windows-2019]
 
         include:
           # Prettier run names.
           - {os: windows-2019, name: Windows 2019}
           - {os: windows-2016, name: Windows 2016}
-          - {os: ubuntu-18.04, name: Ubuntu}
+          - {os: ubuntu-latest, name: Ubuntu}
           - {cygwin: 1, name: Cygwin}
           # Target platform.
           - {example: simple, platform: x64}
@@ -52,9 +52,9 @@ jobs:
                 symbols: [baz]
         exclude:
           # Ubuntu: no MSVC/clang-cl/Cygwin.
-          - {os: ubuntu-18.04, toolset: msvc}
-          - {os: ubuntu-18.04, toolset: clang-cl}
-          - {os: ubuntu-18.04, cygwin: 1}
+          - {os: ubuntu-latest, toolset: msvc}
+          - {os: ubuntu-latest, toolset: clang-cl}
+          - {os: ubuntu-latest, cygwin: 1}
           # Cygwin: no MSVC/clang-cl.
           - {cygwin: 1, toolset: msvc}
           - {cygwin: 1, toolset: clang-cl}