add Makefile with reproducible build command

Author: Joshix-1

.github/workflows/release.yml

@@ -21,9 +21,9 @@ jobs:
         with:
           python-version: "3.10"
       - name: Install build frontend
-        run: pip install "build>=0.9,<2"
+        run: grep "^build==" requirements-dev.txt | xargs pip install
       - name: Build
-        run: python -m build
+        run: make build
       - name: Upload as build artifact
         uses: actions/upload-artifact@v3
         with:

Makefile

@@ -0,0 +1,9 @@
+build:
+	env SOURCE_DATE_EPOCH="$(git show -s --format=%ct)" python3 -m build
+
+check:
+	./check.sh
+
+test:
+	python3 -m tests
+	python -m examples.test

requirements-dev.txt

@@ -1,3 +1,6 @@
+# building
+build==1.2.1
+
 # formatting and fixing
 autoflake==2.*
 black==24.*