Copy build artifacts to S3 after every PR

Add .github/workflows/deploy-branch.yml and upload_output.sh
Deploy-branch does not deploy branch and only copy build artifacts

Resolves #5

Author: ImeevOchir

.github/workflow/deploy-branch.yml

@@ -0,0 +1,24 @@
+name: Deploy-branch
+
+on:
+  pull_request:
+jobs:
+  deploy-branch:
+    runs-on: self-hosted
+    container: tarantool/doc-builder:slim-4.2
+    env:
+      AWS_ACCESS_KEY_ID: ${{secrets.AWS_ACCESS_KEY_ID}}
+      AWS_SECRET_ACCESS_KEY: ${{secrets.AWS_SECRET_ACCESS_KEY}}
+      AWS_DEFAULT_REGION: ${{secrets.AWS_DEFAULT_REGION}}
+      S3_ENDPOINT_URL: ${{secrets.S3_ENDPOINT_URL}}
+      S3_UPLOAD_PATH: ${{secrets.S3_UPLOAD_PATH}}
+      INTERNALS_UPDATE_URL: ${{secrets.INTERNALS_DEVELOP_UPDATE_URL}}
+      S3_BUCKET: ${{secrets.S3_BUCKET}}
+    steps:
+      - uses: actions/checkout@v2
+
+      - name: Set branch name from source branch
+        run: echo "BRANCH_NAME=${GITHUB_HEAD_REF##*/}" >> $GITHUB_ENV
+
+      - run: make json
+      - run: bash upload_output.sh

upload_output.sh

@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+
+
+BRANCH=$BRANCH_NAME
+DOC_DEST="$secrets.S3_UPLOAD_PATH/internals/${BRANCH_NAME}"
+CHECK_KEY="doc-builds/internals/${BRANCH_NAME}/json/_build_ru/json/toctree.fjson"
+
+aws s3api head-object --bucket ${S3_BUCKET} --key ${CHECK_KEY} --endpoint-url="$ENDPOINT_URL" || not_exist=true
+if [ $not_exist ]; then
+  echo "toctree.json does not exist"
+else
+  echo "found toctree.json, remove the branch from s3 location"
+  aws s3 rm "$DOC_DEST"/json --endpoint-url="$ENDPOINT_URL" --recursive
+fi
+
+aws s3 cp build/json "$DOC_DEST"/json --endpoint-url="$ENDPOINT_URL" --recursive --include "*" --exclude "*.jpg" --exclude "*.png" --exclude "*.svg"