Initial importv0.1.0

1 files changed, 41 insertions, 0 deletions

diff --git a/Makefile b/Makefile
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index 0000000..e5501e6
--- /dev/null
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+# Development tasks. Everything runs through `mix`, so there is nothing to
+# install first: the library has no dependencies.
+#
+#   make            list the targets
+#   make test       run the ExUnit suite
+#   make lint       mix format --check-formatted, no files touched
+#   make build      compile with warnings as errors
+MIX ?= mix
+
+.DEFAULT_GOAL := help
+.PHONY: help test lint format build check clean
+
+help:
+	@echo 'Targets:'
+	@echo '  test       run the ExUnit suite'
+	@echo '  lint       mix format --check-formatted (read-only)'
+	@echo '  format     apply mix format (writes)'
+	@echo '  build      compile with warnings as errors'
+	@echo '  check      lint + test + build, in that order'
+	@echo '  clean      remove build artefacts'
+
+test:
+	$(MIX) test
+
+# Read-only by design, so it is safe in CI and in a pre-commit hook: it reports
+# what `make format` would change without changing anything.
+lint:
+	$(MIX) format --check-formatted
+
+format:
+	$(MIX) format
+
+build:
+	$(MIX) compile --warnings-as-errors
+
+# The order matters: lint is the fastest to fail, build the slowest, so a
+# broken run reports the cheapest problem first.
+check: lint test build
+
+clean:
+	rm -rf _build deps doc cover