noopener support via custom Hugo and BlackFriday forks

.github/actions/hugo-build-action/Dockerfile

@@ -0,0 +1,29 @@
+FROM golang:1.12-alpine
+
+LABEL repository="https://github.com/jakejarvis/hugo-build-action"
+LABEL homepage="https://jarv.is/"
+LABEL maintainer="Jake Jarvis <jake@jarv.is>"
+
+ARG HUGO_BRANCH=noopener
+# ARG HUGO_COMMIT=a28865c
+ARG HUGO_BUILD_TAGS=extended
+
+# CGO (and gcc/g++) required to build wellington/go-libsass
+ARG CGO=1
+ENV CGO_ENABLED=${CGO}
+ENV GOOS=linux
+ENV GO111MODULE=on
+
+WORKDIR /go/src/github.com/gohugoio/hugo
+
+RUN apk update && \
+    apk add --no-cache git gcc g++ musl-dev && \
+    git clone https://github.com/jakejarvis/hugo.git $GOPATH/src/github.com/gohugoio/hugo && \
+    if [ ! -z "$HUGO_BRANCH" ]; then git checkout $HUGO_BRANCH; fi && \
+    if [ ! -z "$HUGO_COMMIT" ]; then git reset --hard $HUGO_COMMIT; fi && \
+    go get github.com/magefile/mage && \
+    mage hugo && mage install
+
+RUN hugo version
+
+ENTRYPOINT ["hugo"]

.github/actions/hugo-build-action/LICENSE.md

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2019 Jake Jarvis
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

.github/actions/hugo-build-action/README.md

@@ -0,0 +1,23 @@
+# GitHub Action for [Hugo](https://github.com/gohugoio/hugo) ✏️ 
+
+**⚠️ Warning:** This branch is specifically for testing the latest `dev` version built from the most recent commits to the [Hugo repository](https://github.com/gohugoio/hugo). For 99.9% of use cases, the stable [`master` branch](https://github.com/jakejarvis/hugo-build-action/tree/master) is more appropriate.
+
+
+## Usage
+
+### `workflow.yml` Example
+
+```
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: jakejarvis/hugo-build-action@develop
+      with:
+        args: --minify --buildDrafts
+```
+
+
+## License
+
+This project is distributed under the [MIT license](LICENSE.md).

.github/workflows/gh-pages.yml

@@ -13,7 +13,8 @@ jobs:
       with:
         fetch-depth: 1
         lfs: false
-    - uses: jakejarvis/hugo-build-action@develop-v0.53-DEV
+    # pull from local Hugo action b/c LOTS of opinionated customizations
+    - uses: ./.github/actions/hugo-build-action
       with:
         args: --gc --cleanDestinationDir
     - uses: jakejarvis/github-pages-deploy-action@master

config.toml

@@ -23,9 +23,10 @@ enableRobotsTXT = true
   filename = "sitemap.xml"
 
 [blackfriday]
-  # hrefTargetBlank = true    # prefer not to use this until noopener option implemented (https://discourse.gohugo.io/t/link-with--target-blank-in-markdown-tipp/7569/10)
+  hrefTargetBlank = true
   nofollowLinks = true
   noreferrerLinks = true
+  noopenerLinks = true       # requires custom fork w/ custom blackfriday: https://github.com/jakejarvis/hugo/tree/noopener
   plainIDAnchors = true
   fractions = false