Enable color output in our Linux and macOS CI tests (#1939)

Co-authored-by: Rangi <sylvie.oukaour+rangi42@gmail.com>

.github/workflows/analysis.yml

@@ -3,6 +3,12 @@ on:
   - push
   - pull_request
 
+env:
+  # Force colored output (see https://bixense.com/clicolors/ and https://force-color.org/)
+  TERM: xterm-256color
+  CLICOLOR: 1
+  CLICOLOR_FORCE: 1
+
 jobs:
   analysis:
     runs-on: ubuntu-latest

.github/workflows/build-container.yml

@@ -6,6 +6,12 @@ on:
     tags:
       - '*'
 
+env:
+  # Force colored output (see https://bixense.com/clicolors/ and https://force-color.org/)
+  TERM: xterm-256color
+  CLICOLOR: 1
+  CLICOLOR_FORCE: 1
+
 jobs:
   publish-docker-image:
     if: github.repository_owner == 'gbdev'

.github/workflows/checkdiff.yml

@@ -1,6 +1,12 @@
 name: Diff completeness check
 on: pull_request
 
+env:
+  # Force colored output (see https://bixense.com/clicolors/ and https://force-color.org/)
+  TERM: xterm-256color
+  CLICOLOR: 1
+  CLICOLOR_FORCE: 1
+
 jobs:
   checkdiff:
     runs-on: ubuntu-slim

.github/workflows/checkformat.yml

@@ -1,6 +1,12 @@
 name: Code format checking
 on: pull_request
 
+env:
+  # Force colored output (see https://bixense.com/clicolors/ and https://force-color.org/)
+  TERM: xterm-256color
+  CLICOLOR: 1
+  CLICOLOR_FORCE: 1
+
 jobs:
   checkformat:
     runs-on: ubuntu-latest

.github/workflows/coverage.yml

@@ -3,6 +3,12 @@ on:
   - push
   - pull_request
 
+env:
+  # Force colored output (see https://bixense.com/clicolors/ and https://force-color.org/)
+  TERM: xterm-256color
+  CLICOLOR: 1
+  CLICOLOR_FORCE: 1
+
 jobs:
   coverage:
     runs-on: ubuntu-24.04

.github/workflows/create-release-artifacts.yml

@@ -5,7 +5,11 @@ on:
       - v[0-9]*
 
 env:
-  CLICOLOR_FORCE: 1 # Tells CMake to have colored output.
+  # Force colored output (see https://bixense.com/clicolors/ and https://force-color.org/)
+  TERM: xterm-256color
+  CLICOLOR: 1
+  CLICOLOR_FORCE: 1
+
   CMAKE_COLOR_DIAGNOSTICS: ON # Tells CMake-generated build systems to have colored output.
   # Approximate number of CPU cores in GitHub's runners as of 2026-03-18:
   # https://docs.github.com/en/actions/reference/runners/github-hosted-runners#standard-github-hosted-runners-for-public-repositories

.github/workflows/create-release-docs.yml

@@ -4,6 +4,12 @@ on:
     types:
       - released # This avoids triggering on pre-releases
 
+env:
+  # Force colored output (see https://bixense.com/clicolors/ and https://force-color.org/)
+  TERM: xterm-256color
+  CLICOLOR: 1
+  CLICOLOR_FORCE: 1
+
 jobs:
   build:
     if: github.repository_owner == 'gbdev'

.github/workflows/testing.yml

@@ -4,7 +4,11 @@ on:
   - pull_request
 
 env:
-  CLICOLOR_FORCE: 1 # Tells CMake to have colored output.
+  # Force colored output (see https://bixense.com/clicolors/ and https://force-color.org/)
+  TERM: xterm-256color
+  CLICOLOR: 1
+  CLICOLOR_FORCE: 1
+
   CMAKE_COLOR_DIAGNOSTICS: ON # Tells CMake-generated build systems to have colored output.
   CMAKE_CONFIG_TYPE: Debug # `cmake --build` now implies `--config Debug`.
   # Approximate number of CPU cores in GitHub's runners as of 2026-03-18:
@@ -362,8 +366,9 @@ jobs:
         uses: vmactions/freebsd-vm@v1
         with:
           envs: >-
-            CLICOLOR_FORCE CMAKE_COLOR_DIAGNOSTICS CMAKE_CONFIG_TYPE
-            CMAKE_BUILD_PARALLEL_LEVEL CMAKE_INSTALL_PARALLEL_LEVEL CTEST_PARALLEL_LEVEL
+            TERM CLICOLOR CLICOLOR_FORCE
+            CMAKE_COLOR_DIAGNOSTICS CMAKE_CONFIG_TYPE
+            CMAKE_BUILD_PARALLEL_LEVEL CTEST_PARALLEL_LEVEL
             CTEST_NO_TESTS_ACTION CTEST_OUTPUT_ON_FAILURE
             GIT_CONFIG_COUNT GIT_CONFIG_KEY_0 GIT_CONFIG_VALUE_0
           release: "14.3"

.github/workflows/update-master-docs.yml

@@ -7,6 +7,12 @@ on:
       - man/*
   workflow_dispatch:
 
+env:
+  # Force colored output (see https://bixense.com/clicolors/ and https://force-color.org/)
+  TERM: xterm-256color
+  CLICOLOR: 1
+  CLICOLOR_FORCE: 1
+
 jobs:
   build:
     if: github.repository_owner == 'gbdev'