Migrate to clang-format 18+

Author: jserv

.ci/check-format.sh

@@ -2,7 +2,7 @@
 
 SOURCES=$(find $(git rev-parse --show-toplevel) | egrep "\.(cpp|cc|c|h)\$")
 
-CLANG_FORMAT=$(which clang-format-12)
+CLANG_FORMAT=$(which clang-format-18)
 if [ $? -ne 0 ]; then
     CLANG_FORMAT=$(which clang-format)
     if [ $? -ne 0 ]; then
@@ -18,4 +18,4 @@ do
     $CLANG_FORMAT ${file} > expected-format
     diff -u -p --label="${file}" --label="expected coding style" ${file} expected-format
 done
-exit $($CLANG_FORMAT --output-replacements-xml ${SOURCES} | egrep -c "</replacement>")
+exit $($CLANG_FORMAT --output-replacements-xml ${SOURCES} | egrep -c "</replacement>")

.github/workflows/main.yaml

@@ -18,6 +18,6 @@ jobs:
     - uses: actions/[email protected]
     - name: coding convention
       run: |
-            sudo apt-get install -q -y clang-format-12
+            sudo apt-get install -q -y clang-format-18
             sh .ci/check-format.sh
-      shell: bash
+      shell: bash