Build png images from svg

Makefile

 changelog := _includes/changelog.html.fragment
 
-all: $(changelog)
+all: $(changelog) images
 	jekyll build -q
-	rm _site/Makefile # FIXME exclude in jekyll not working
 
+REPO := https://gitlab.com/tobiasrautenkranz/site/commit/
+
+.PHONY: $(changelog)
+$(changelog):
+	@echo "<dl>" > [email protected]
+	@git log --pretty=format:'<dt>%n<a href="$(REPO)%H">%ai</a>%n</dt><dd>%s</dd>%n' >> [email protected]
+	@echo "</dl>" >> [email protected]
+
+# serve locally
 serve:
 	jekyll serve -B -D > /dev/null 2>&1
 
@@ -13,14 +21,20 @@ kill:
 serve-fg:
 	jekyll serve -D
 
-REPO := https://gitlab.com/tobiasrautenkranz/site/commit/
+# images
+img/%.png: img/%.svg
+	inkscape --without-gui --export-png=[email protected] --export-dpi=70 $< > /dev/null
+	optipng -quiet [email protected]
 
-.PHONY: $(changelog)
-$(changelog):
-	@echo "<dl>" > [email protected]
-	@git log --pretty=format:'<dt>%n<a href="$(REPO)%H">%ai</a>%n</dt><dd>%s</dd>%n' >> [email protected]
-	@echo "</dl>" >> [email protected]
+# images to be built
+image_objects :=
+include image_objects.mk
+image_objects_full_path := $(addprefix img/, $(image_objects))
+
+.PHONY: images
+images: $(image_objects_full_path)
 
+# clean
 .PHONY: clean
 clean:
 	rm -f $(changelog)
@@ -28,7 +42,9 @@ clean:
 .PHONY: dist-clean
 dist-clean: clean
 	jekyll clean
+	rm -f $(image_objects_full_path)
 
+# lint
 mld_rules := "~MD002,~MD012,~MD033"
 
 .PHONY: lint

_config.yml

@@ -23,3 +23,5 @@ gems:
 exclude:
   - Gemfile
   - Gemfile.lock
+  - Makefile
+  - image_objects.mk