Add check CI workflow and format sources (#14)

* Add check CI workflow

* Fix license-eye configuration and some license headers

* Install cppcheck from repo

* Revert "Install cppcheck from repo"

This reverts commit 806b108.

* Format sources

.github/workflows/check.yml

@@ -0,0 +1,90 @@
+name: Checks
+on:
+  pull_request:
+
+jobs:
+  cppcheck:
+    name: Cppcheck
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+        with:
+          path: src/percona_pg_telemetry
+
+      - name: Checkout cppcheck sources
+        uses: actions/checkout@v4
+        with:
+          repository: "danmar/cppcheck"
+          ref: "2.13.4"
+          path: src/cppcheck
+
+      - name: Build and install cppcheck
+        working-directory: src/cppcheck
+        run: |
+          mkdir build
+          cd build
+          cmake ..
+          cmake --build .
+          sudo cmake --install .
+
+      - name: Execute linter check with cppcheck
+        working-directory: src/percona_pg_telemetry
+        run: |
+          set -x
+          cppcheck --enable=all --inline-suppr --template='{file}:{line},{severity},{id},{message}' --error-exitcode=1 --suppress=missingIncludeSystem --suppress=missingInclude --suppress=unmatchedSuppression:percona_pg_telemetry.c --check-config .
+
+  format:
+    name: Format
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Clone postgres repository
+        uses: actions/checkout@v4
+        with:
+          repository: 'postgres/postgres'
+          ref: 'REL_17_STABLE'
+
+      - name: Checkout sources
+        uses: actions/checkout@v4
+        with:
+          path: 'contrib/percona_pg_telemetry'
+
+      - name: Configure postgres
+        run: ./configure
+
+      - name: Install perltidy
+        run: sudo cpan -T SHANCOCK/Perl-Tidy-20230309.tar.gz
+
+      - name: Install pg_bsd_indent
+        working-directory: src/tools/pg_bsd_indent
+        run: sudo make install
+
+      - name: Add pg_bsd_indent and pgindent to path
+        run: |
+          echo "/usr/local/pgsql/bin" >> $GITHUB_PATH
+          echo "${{ github.workspace }}/src/tools/pgindent" >> $GITHUB_PATH
+      - name: Format sources
+        working-directory: contrib/percona_pg_telemetry
+        run: |
+          make update-typedefs
+          make indent
+      - name: Check files are formatted and no source code changes
+        working-directory: contrib/percona_pg_telemetry
+        run: |
+          git status
+          git diff --exit-code
+
+  license:
+    name: License
+    runs-on: ubuntu-22.04
+
+    steps:
+      - name: Checkout sources
+        uses: actions/checkout@v4
+
+      - name: Check license headers
+        uses: apache/skywalking-eyes/[email protected]
+        with:
+          token: "" # Prevent comments

.gitignore

@@ -14,3 +14,6 @@
 ## .vscode
 .vscode/
 .vscode/*
+
+# tools files
+typedefs-full.list

.licenserc.yaml

@@ -0,0 +1,13 @@
+header:
+  paths:
+    - "**/*.c"
+    - "**/*.h"
+  license:
+    pattern: |
+      .*\.(c|h)
+      .*
+
+      IDENTIFICATION
+         contrib/percona_pg_telemetry/.*\.(c|h)
+
+  comment: never

Makefile

@@ -24,3 +24,14 @@ top_builddir = ../..
 include $(top_builddir)/src/Makefile.global
 include $(top_srcdir)/contrib/contrib-global.mk
 endif
+
+# Fetches typedefs list for PostgreSQL core and merges it with typedefs defined in this project.
+# https://wiki.postgresql.org/wiki/Running_pgindent_on_non-core_code_or_development_code
+update-typedefs:
+	wget -q -O - "https://buildfarm.postgresql.org/cgi-bin/typedefs.pl?branch=REL_17_STABLE" | cat - typedefs.list | sort | uniq > typedefs-full.list
+
+# Indents projects sources.
+indent:
+	pgindent --typedefs=typedefs-full.list .
+
+.PHONY: update-typedefs indent