Replace Travis CI with GitHub Actions

.editorconfig

@@ -0,0 +1,31 @@
+# top-most EditorConfig file
+root = true
+
+# Default for all files
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+# Custom files
+[*.py]
+indent_style = space
+indent_size = 4
+
+[.sh}]
+indent_style = tab
+indent_size = 4
+
+[Makefile]
+indent_style = tab
+indent_size = 4
+
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2
+
+[*.md]
+indent_style = space
+trim_trailing_whitespace = false
+indent_size = 2

.github/workflows/linting.yml

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+---
+
+###
+### Lints all generic and json files in the whole git repository
+###
+
+name: linting
+on:
+  pull_request:
+  push:
+    branches:
+      - master
+    tags:
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: False
+      matrix:
+        target:
+          - Linting
+    name: "[ ${{ matrix.target }} ]"
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@master
+
+      - name: Lint files
+        run: |
+          make _lint-files
+
+      - name: Shellcheck
+        run: |
+          make _lint-shell

Makefile

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+ifneq (,)
+.error This Makefile requires GNU Make.
+endif
+
+# -------------------------------------------------------------------------------------------------
+# Default configuration
+# -------------------------------------------------------------------------------------------------
+.PHONY: help lint
+
+FL_VERSION = 0.3
+FL_IGNORES = .git/,.github/
+
+
+# -------------------------------------------------------------------------------------------------
+# Default Target
+# -------------------------------------------------------------------------------------------------
+help:
+	@echo "lint             Lint repository"
+
+
+# -------------------------------------------------------------------------------------------------
+# Lint Targets
+# -------------------------------------------------------------------------------------------------
+lint: _lint-files
+lint: _lint-shell
+
+
+.PHONY: _lint-files
+_lint-files:
+	@echo "# -------------------------------------------------------------------- #"
+	@echo "# Lint files"
+	@echo "# -------------------------------------------------------------------- #"
+	@docker run --rm $$(tty -s && echo "-it" || echo) -v $(PWD):/data cytopia/file-lint:$(FL_VERSION) file-cr --text --ignore '$(FL_IGNORES)' --path .
+	@docker run --rm $$(tty -s && echo "-it" || echo) -v $(PWD):/data cytopia/file-lint:$(FL_VERSION) file-crlf --text --ignore '$(FL_IGNORES)' --path .
+	@docker run --rm $$(tty -s && echo "-it" || echo) -v $(PWD):/data cytopia/file-lint:$(FL_VERSION) file-trailing-single-newline --text --ignore '$(FL_IGNORES)' --path .
+	@docker run --rm $$(tty -s && echo "-it" || echo) -v $(PWD):/data cytopia/file-lint:$(FL_VERSION) file-trailing-space --text --ignore '$(FL_IGNORES)' --path .
+	@docker run --rm $$(tty -s && echo "-it" || echo) -v $(PWD):/data cytopia/file-lint:$(FL_VERSION) file-utf8 --text --ignore '$(FL_IGNORES)' --path .
+	@docker run --rm $$(tty -s && echo "-it" || echo) -v $(PWD):/data cytopia/file-lint:$(FL_VERSION) file-utf8-bom --text --ignore '$(FL_IGNORES)' --path .
+
+.PHONY: _lint-shell
+_lint-shell:
+	@echo "# -------------------------------------------------------------------- #"
+	@echo "# Shellcheck"
+	@echo "# -------------------------------------------------------------------- #"
+	@docker run --rm $$(tty -s && echo "-it" || echo) -v $(PWD):/mnt -w /mnt koalaman/shellcheck:stable watcherd