add action for auto publish to pages

.github/workflows/release.yml

@@ -0,0 +1,17 @@
+name: A workflow to build wasm for github pages
+on:
+    push: 
+        tags:
+            - v*
+
+jobs:
+    build:
+        name: Wasm build/deploy action
+        runs-on: ubuntu-latest
+        steps:
+            - 
+                uses: actions/checkout@v1
+            - 
+                uses: ./wasm-action
+                env:
+                    GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

wasm-action/Dockerfile

@@ -0,0 +1,15 @@
+FROM golang
+
+RUN go get -d github.com/strosel/treman
+RUN go get gioui.org/cmd/gogio
+
+RUN apt-get update
+RUN apt-get install --yes \
+    libxkbcommon-x11-dev \
+    libgles2-mesa-dev \
+    curl \
+    jq
+
+ADD entrypoint.sh /entrypoint.sh
+RUN chmod +x /entrypoint.sh
+ENTRYPOINT ["/entrypoint.sh"]

wasm-action/action.yml

@@ -0,0 +1,11 @@
+name: "Build + Publish wasm version"
+description: "Build wasm and publish to github pages"
+author: "[email protected]"
+
+runs:
+    using: "docker"
+    image: "Dockerfile"
+
+branding:
+  icon: "mic"
+  color: "purple"

wasm-action/entrypoint.sh

@@ -0,0 +1,42 @@
+#!/bin/bash
+
+
+REPO="treman"
+GITHUB_PATH="strosel/${REPO}"
+API_URL="https://api.github.com/repos/${GITHUB_PATH}"
+
+gogio -target js -o $REPO github.com/$GITHUB_PATH
+
+SHA=$(curl -X GET \
+    "${API_URL}/git/trees/pages" | \
+    jq '.tree | map(select(.path == "main.wasm")) | .[0]? | .sha')
+
+echo "{ \
+    \"message\": \"new release\",\
+    \"branch\": \"pages\",\
+    \"content\": \"$(openssl base64 -A -in ./$REPO/main.wasm)\",\
+    \"sha\": ${SHA}
+    }" > data.txt
+
+tmp=$(mktemp)
+
+RES=$(curl \
+    -X PUT \
+    -H "Accept: application/vnd.github.v3+json" \
+    -H "Authorization: token ${GITHUB_TOKEN}" \
+    -d @data.txt \
+    --write-out "%{http_code}" \
+    --output $tmp \
+    "${API_URL}/contents/main.wasm")
+
+if [ "$?" -ne 0 ]; then
+    echo "Curl error"
+    cat $tmp
+    exit 1
+fi
+
+if [ $RES -ne 200 ]; then
+    echo "HTTP error ${RES}"
+    cat $tmp
+    exit 1
+fi