[ci] Switch to clang-format 10

.clang-format-common.sh

@@ -1,12 +1,12 @@
 # This script is meant to be sourced from other scripts
 
-# Check for clang-format, prefer 6.0 if available
-if [[ -x "$(command -v clang-format-6.0)" ]]; then
-  clang_format=clang-format-6.0
+# Check for clang-format, prefer 10 if available
+if [[ -x "$(command -v clang-format-10)" ]]; then
+  clang_format=clang-format-10
 elif [[ -x "$(command -v clang-format)" ]]; then
   clang_format=clang-format
 else
-  echo "clang-format or clang-format-6.0 must be installed"
+  echo "clang-format or clang-format-10 must be installed"
   exit 1
 fi
 

.github/workflows/build.yml

@@ -13,22 +13,7 @@ on:
       - '**'
 
 jobs:
-
-  clang-format:
-    runs-on: ubuntu-18.04
-    steps:
-    - uses: actions/checkout@v1
-    - name: Install clang-format-6.0
-      run: |
-        sudo apt-get -qq update
-        sudo apt-get -qq remove clang-6.0 libclang1-6.0 libclang-common-6.0-dev libllvm6.0
-        sudo apt-get -qq install clang-format-6.0 clang-format
-    - name: Run clang-format-check
-      run: |
-        ./.clang-format-check.sh
-
   build:
-    needs: clang-format
     strategy:
       fail-fast: false
       matrix:

.github/workflows/clang-format.yml

@@ -0,0 +1,29 @@
+name: Check formatting of Tasks sources
+
+on:
+  push:
+    paths-ignore:
+      # Changes to those files don't mandate running CI
+      - ".github/workflows/sources/*"
+      - ".github/workflows/build.yml"
+      - ".github/workflows/conan.yml"
+      - ".github/workflows/package.yml"
+      - "debian/**"
+    branches:
+      - '**'
+  pull_request:
+    branches:
+      - '**'
+jobs:
+  clang-format:
+    runs-on: ubuntu-20.04
+    steps:
+    - uses: actions/checkout@v2
+    - name: Install clang-format-10
+      run: |
+        sudo apt-get -qq update
+        sudo apt-get -qq install clang-format-10
+    - name: Run clang-format-check
+      run: |
+        ./.clang-format-check.sh
+