make buildable with actions/jekyll-build-pages container

Author: koron

Makefile

@@ -17,13 +17,18 @@ html:
 clean:
 	rm -rf target
 
-jekyll-build:
+jekyll-build-prepare:
 	mkdir -p $(JEKYLL_WORKDIR)
 	cp target/html/doc/*.html $(JEKYLL_WORKDIR)
 	cp -Ru src/* $(JEKYLL_WORKDIR)
+
+jekyll-build: jekyll-build-prepare
 	jekyll build -s $(JEKYLL_WORKDIR) -d $(JEKYLL_OUTDIR)
 
+jekyll-build-by-docker: jekyll-build-prepare
+	./tools/docker_jekyll jekyll build -s $(JEKYLL_WORKDIR) -d $(JEKYLL_OUTDIR)
+
 jekyll-clean:
 	rm -rf $(JEKYLL_WORKDIR) $(JEKYLL_OUTDIR)
 
-.PHONY: jekyll-build jekyll-clean
+.PHONY: jekyll-build-prepare jekyll-build jekyll-build-by-docker jekyll-clean

tools/docker_jekyll

@@ -0,0 +1,25 @@
+#!/bin/bash
+#
+# This uses GitHub Container Registry.
+# So you need to login ghcr.io with Personal Access Token which have scope read:packages at least.
+#
+# Example:
+#
+#   cat | docker login ghcr.io -u USERNAME --password-stdin
+#   (type your PAT and Ctrl-D twice)
+
+set -eu
+
+dir="$(pwd)"
+
+case $(uname -s) in
+  MSYS*) dir=$(cygpath -w $dir) ;;
+esac
+
+docker run --rm -it \
+  --workdir //srv/jekyll \
+  -v "${dir}:/srv/jekyll" \
+  -p 4000:4000 \
+  --entrypoint "" \
+  ghcr.io/actions/jekyll-build-pages:v1.0.13 \
+  "$@"