Enable 24.04 CI, require cmake 3.22.1 (#444)

* Only run workflows on pull requests or release / main
  branches.
* Use checkout@v4.
* Require cmake version 3.22.1, remove old cmake code
  Part of gazebosim/gz-cmake#350.

Signed-off-by: Steve Peters <scpeters@openrobotics.org>

Author: scpeters

.github/workflows/ci.yml

@@ -1,14 +1,20 @@
 name: Ubuntu CI
 
-on: [push, pull_request]
+on:
+  pull_request:
+  push:
+    branches:
+      - 'ign-msgs[0-9]?'
+      - 'gz-msgs[0-9]?'
+      - 'main'
 
 jobs:
   jammy-ci:
     runs-on: ubuntu-latest
     name: Ubuntu Jammy CI
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
       - name: Compile and test
         id: ci
         uses: gazebo-tooling/action-gz-ci@jammy
@@ -17,3 +23,12 @@ jobs:
           cppcheck-enabled: true
           cpplint-enabled: true
           doxygen-enabled: true
+  noble-ci:
+    runs-on: ubuntu-latest
+    name: Ubuntu Noble CI
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+      - name: Compile and test
+        id: ci
+        uses: gazebo-tooling/action-gz-ci@noble

CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10.2 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.22.1 FATAL_ERROR)
 
 #============================================================================
 # Initialize the project

examples/generating_custom_msgs/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10.2 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.22.1 FATAL_ERROR)
 
 #============================================================================
 # Initialize the project

examples/using_gz_msgs/CMakeLists.txt

@@ -1,4 +1,4 @@
-cmake_minimum_required(VERSION 3.10.2 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.22.1 FATAL_ERROR)
 
 #============================================================================
 # Initialize the project

gz-msgs-extras.cmake.in

@@ -22,14 +22,7 @@ include(${@PROJECT_NAME@_DIR}/gz_msgs_factory.cmake)
 include(${@PROJECT_NAME@_DIR}/gz_msgs_generate.cmake)
 
 set(@PROJECT_NAME@_INSTALL_PATH "${@PROJECT_NAME@_DIR}/@PROJECT_CMAKE_EXTRAS_PATH_TO_PREFIX@")
-
-if(CMAKE_VERSION VERSION_LESS "3.20.0") 
-  file(TO_CMAKE_PATH @PROJECT_NAME@_INSTALL_PATH NORMALIZED_PATH)  # Converts native path to CMake style with forward slashes.
-  get_filename_component(ABSOLUTE_PATH "${NORMALIZED_PATH}" ABSOLUTE)  # Extracts the absolute path component.
-  set(@PROJECT_NAME@_INSTALL_PATH "${ABSOLUTE_PATH}")  # Stores the normalized absolute path back to the original variable.
-else()
-  cmake_path(NORMAL_PATH @PROJECT_NAME@_INSTALL_PATH OUTPUT_VARIABLE @PROJECT_NAME@_INSTALL_PATH)
-endif()
+cmake_path(NORMAL_PATH @PROJECT_NAME@_INSTALL_PATH OUTPUT_VARIABLE @PROJECT_NAME@_INSTALL_PATH)
 
 set(PROTOC_NAME "$<TARGET_FILE_NAME:@PROJECT_NAME@_protoc_plugin>")
 set(PROTO_SCRIPT_NAME "@PROJECT_NAME@_generate.py")

tutorials/cppgetstarted.md

@@ -59,7 +59,7 @@ int main()
 To compile the code create a `CMakeLists.txt`:
 
 ```
-cmake_minimum_required(VERSION 2.8 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.22.1 FATAL_ERROR)
 
 # Find the Gazebo msgs library
 find_package(gz-msgs11 QUIET REQUIRED)

tutorials/message_generation.md

@@ -127,7 +127,7 @@ The `cmake` functionality is exported from the `gz-msgs` library, via the `gz-cm
 To make the functions available, simply `find_package(gz-msgs11)` in your `CMakeLists.txt`:
 
 ```cmake
-cmake_minimum_required(VERSION 3.10.2 FATAL_ERROR)
+cmake_minimum_required(VERSION 3.22.1 FATAL_ERROR)
 project(my_custom_package VERSION 0.0.1)
 find_package(gz-cmake4 REQUIRED)
 find_package(gz-msgs11 REQUIRED)