refactor: Change default branch from master to main and add tests

Ref: #44 (review)

.github/workflows/build-cartographer-ws.yaml

@@ -3,7 +3,7 @@ name: Build Docker Image for cartographer-ws
 on:
   push:
     branches:
-      - "master"
+      - "main"
     paths:
       - .github/workflows/build-cartographer-ws.yaml
       - cartographer_ws/docker/Dockerfile

.github/workflows/build-husky-ws.yaml

@@ -3,7 +3,7 @@ name: Build Docker Image for husky-ws
 on:
   push:
     branches:
-      - "master"
+      - "main"
     paths:
       - .github/workflows/build-husky-ws.yaml
       - husky_ws/docker/Dockerfile

.github/workflows/build-kobuki-ws.yaml

@@ -3,7 +3,7 @@ name: Build Docker Image for kobuki-ws
 on:
   push:
     branches:
-      - "master"
+      - "main"
     paths:
       - .github/workflows/build-kobuki-ws.yaml
       - kobuki_ws/docker/Dockerfile

.github/workflows/build-orbslam3-ws.yaml

@@ -3,7 +3,7 @@ name: Build Docker Image for orbslam3-ws
 on:
   push:
     branches:
-      - "master"
+      - "main"
     paths:
       - .github/workflows/build-orbslam3-ws.yaml
       - orbslam3_ws/docker/Dockerfile

.github/workflows/build-ros1-bridge-ws.yaml

@@ -3,7 +3,7 @@ name: Build Docker Image for ros1-bridge-ws
 on:
   push:
     branches:
-      - "master"
+      - "main"
     paths:
       - .github/workflows/build-ros1-bridge-ws.yaml
       - ros1_bridge_ws/docker/Dockerfile

.github/workflows/build-rtabmap-ws.yaml

@@ -3,7 +3,7 @@ name: Build Docker Image for rtabmap-ws
 on:
   push:
     branches:
-      - "master"
+      - "main"
     paths:
       - .github/workflows/build-rtabmap-ws.yaml
       - rtabmap_ws/docker/Dockerfile

.github/workflows/build-template-ws.yaml

@@ -3,7 +3,7 @@ name: Build Docker Image for template-ws
 on:
   push:
     branches:
-      - "master"
+      - "main"
     paths:
       - .github/workflows/build-template-ws.yaml
       - template_ws/docker/Dockerfile

.github/workflows/build-vlp-ws.yaml

@@ -3,7 +3,7 @@ name: Build Docker Image for vlp-ws
 on:
   push:
     branches:
-      - "master"
+      - "main"
     paths:
       - .github/workflows/build-vlp-ws.yaml
       - vlp_ws/docker/Dockerfile

husky_ws/README.md

@@ -115,4 +115,4 @@ To maintain reproducibility, we have frozen the following packages at specific c
 * [clearpathrobotics/clearpath_computer_installer](https://github.com/clearpathrobotics/clearpath_computer_installer) (at commit 7e7f415) is released under the [BSD-3-Clause License](https://github.com/clearpathrobotics/clearpath_computer_installer/blob/main/LICENSE).
 * [clearpathrobotics/clearpath_robot/clearpath_robot/debian/udev](https://github.com/clearpathrobotics/clearpath_robot/blob/17d55f1b27d3fe19fb82e7df64dca96dbd345837/clearpath_robot/debian/udev) (at commit 17d55f1) is released under the [BSD 3-Clause License](https://github.com/clearpathrobotics/clearpath_robot/blob/17d55f1b27d3fe19fb82e7df64dca96dbd345837/LICENSE).
 
-Further changes based on the packages above are release under the [Apache-2.0 License](https://github.com/j3soon/ros2-essentials/blob/master/LICENSE), as stated in the repository.
+Further changes based on the packages above are release under the [Apache-2.0 License](https://github.com/j3soon/ros2-essentials/blob/main/LICENSE), as stated in the repository.

tests/lint_filenames.py

@@ -1,6 +1,9 @@
 import os
 import glob
 
+current_dir = os.path.dirname(os.path.realpath(__file__))
+repo_dir = os.path.realpath(f"{current_dir}/..")
+
 # Check if all default files exist
 DEFAULT_FILES = [
     ".gitignore",
@@ -11,8 +14,6 @@
     "docker/Dockerfile",
     ".devcontainer/devcontainer.json",
 ]
-current_dir = os.path.dirname(os.path.realpath(__file__))
-repo_dir = os.path.realpath(f"{current_dir}/..")
 for filename in DEFAULT_FILES:
     print(f"Checking existence of: '{filename}'...")
     for workspace_path in glob.glob(f"{repo_dir}/*_ws"):
@@ -31,6 +32,15 @@
         content = f.read()
         if "version:" in content:
             # Ref: https://docs.docker.com/compose/compose-file/04-version-and-name/#version-top-level-element-optional
-            raise ValueError(f"version should not exist since it's obsolete: '{filename}'")
+            raise ValueError(f"`version` should not exist since it's obsolete: '{filename}'")
+
+# Check if `master` branch is accidentally used
+for filename in glob.glob(f"{repo_dir}/.github/workflows/*.yaml", recursive=True):
+    print(f"Checking: '{filename[len(repo_dir)+1:]}'...")
+    with open(filename, "r") as f:
+        content = f.read()
+        if "master" in content:
+            # Ref: https://github.com/j3soon/ros2-essentials/pull/44#pullrequestreview-2251404984
+            raise ValueError(f"`master` should not exist since it's obsolete: '{filename}'")
 
 print("All checks passed!")