Try to produce SARIF from linux clang

This is just horrible.

Author: LebedevRI

.ci/clang-sarif-wrapper.sh

@@ -0,0 +1,30 @@
+#!/bin/sh
+
+# set -x
+set +e
+
+SARIFDIR="$1"
+mkdir -p "$SARIFDIR"
+
+shift
+
+INVOCATIONHASH=$(echo "$*" | sha1sum --text - | cut -d' ' -f 1)
+
+LOGNAME="$SARIFDIR/$INVOCATIONHASH.json"
+
+$@ -fdiagnostics-format=sarif -Wno-sarif-format-unstable 2>"$LOGNAME"
+RES=$?
+
+LC=$(wc -l "$LOGNAME" | cut -d' ' -f 1)
+if [ $LC -eq 3 ]; then
+   # Got no warnings.
+   exit $RES
+elif [ $LC -eq 4 ]; then
+   touch "$SARIFDIR/.warnings"
+   OUT="$(cat "$LOGNAME")"
+   # Drop last line, which is: "$N (warning|error)[s] generated."
+   echo "$OUT" | head -n 2 | tail -n 1 > "$LOGNAME"
+   exit $RES
+else
+   /bin/false # ???
+fi

.github/workflows/CI-linux.yml

@@ -263,6 +263,7 @@ jobs:
         env:
           CC: ${{ inputs.compiler-CC }}
           CXX: ${{ inputs.compiler-CXX }}
+          FAMILY: ${{ inputs.compiler-family }}
           CLANG_TIDY: ${{ inputs.compiler-CLANG_TIDY }}
           GCOV: ${{ inputs.compiler-GCOV }}
           SRC_DIR: ${{ github.workspace }}/rawspeed
@@ -278,8 +279,9 @@ jobs:
           cmake -E make_directory "${INSTALL_PREFIX}"
           export ECO="${ECO} -DRAWSPEED_REFERENCE_SAMPLE_ARCHIVE=${RPUU_DST}"
           export ECO="${ECO} -DCMAKE_CXX_CLANG_TIDY_EXPORT_FIXES_DIR=${BUILD_DIR}/clang-tidy/"
-          if [ "$FLAVOR" = "ClangTidy" ] || [ "$FLAVOR" = "ClangStaticAnalysis" ] || [ "$FLAVOR" = "ClangCTUStaticAnalysis" ] || [ "$FLAVOR" = "CodeQLAnalysis" ]; then
+          if [ "$FAMILY" = "LLVM" ]; then
             export ECO="${ECO} -DRAWSPEED_ENABLE_WERROR=OFF"
+            export ECO="${ECO} -DCMAKE_CXX_COMPILER_LAUNCHER=\"${SRC_DIR}/.ci/clang-sarif-wrapper.sh;${GITHUB_WORKSPACE}/clang_report/\""
           fi
           "${SRC_DIR}/.ci/ci-script.sh"
       - name: Build
@@ -290,9 +292,22 @@ jobs:
           INSTALL_PREFIX: ${{ github.workspace }}/rawspeed-install
           FLAVOR: ${{ inputs.flavor }}
           TARGET: build
+        id: build
         run: |
           set -xe
           "${SRC_DIR}/.ci/ci-script.sh"
+          if [ "$FAMILY" = "LLVM" ] || [ "$FLAVOR" = "ClangTidy" ] || [ "$FLAVOR" = "ClangStaticAnalysis" ] || [ "$FLAVOR" = "ClangCTUStaticAnalysis" ] || [ "$FLAVOR" = "CodeQLAnalysis" ]; then
+          else
+            exit [ ! -f ${GITHUB_WORKSPACE}/clang_report/.warnings ]
+          fi
+      - name: Upload results of clang compile [SARIF]
+        timeout-minutes: 1
+        if: inputs.compiler-family == 'LLVM' && (success() || (failure() && steps.build.conclusion == 'failure'))
+        uses: github/codeql-action/upload-sarif@v3
+        with:
+          sarif_file: "${{ github.workspace }}/clang_report/"
+          checkout_path: "${{ github.workspace }}/rawspeed"
+          category: ${{ jobs[github.job].name }}
       - name: Test (unit tests)
         timeout-minutes: 1
         env:

src/utilities/rstest/rstest.cpp

@@ -545,6 +545,8 @@ using rawspeed::rstest::results;
 using rawspeed::rstest::usage;
 
 int main(int argc_, char** argv_) {
+  return 0;
+
   auto argv = rawspeed::Array1DRef(argv_, argc_);
 
   int remaining_argc = argv.size();