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ENOBUFS error when the to be committed files exceed 1MB

See original GitHub issue

I am trying to commit the docs folder generated in a previous step. This throws the following error after 1s on execFileSync. I found that ENOBUFS is thrown when the maxBuffer (1MB by default) gets exceeded.

This happens to be the case here. When only committing a single HTML file from the docs folder, the action succeeds as expected.

Possible solution The buffer size can be specified as an option with execFileSync. More in the docs of Node.js. Setting an increased maxBuffer might solve the issue.

Run EndBug/add-and-commit@v4
  with:
    add: docs
    author_name: Github Workflow Bot
    author_email: bot@github.com
    message: build docs and dist
    cwd: .
    force: false
  env:
    GITHUB_TOKEN: ***
Using 'Github Workflow Bot <bot@github.com>' as author.
Error: spawnSync /home/runner/work/_actions/EndBug/add-and-commit/v4/lib/entrypoint.sh ENOBUFS
    at Object.spawnSync (internal/child_process.js:1041:20)
    at spawnSync (child_process.js:607:24)
    at Object.execFileSync (child_process.js:634:15)
    at Object.131 (/home/runner/work/_actions/EndBug/add-and-commit/v4/lib/index.js:1:576)
    at __webpack_require__ (/home/runner/work/_actions/EndBug/add-and-commit/v4/lib/index.js:1:154)
    at startup (/home/runner/work/_actions/EndBug/add-and-commit/v4/lib/index.js:1:291)
    at module.exports.87 (/home/runner/work/_actions/EndBug/add-and-commit/v4/lib/index.js:1:323)
    at Object.<anonymous> (/home/runner/work/_actions/EndBug/add-and-commit/v4/lib/index.js:1:333)
    at Module._compile (internal/modules/cjs/loader.js:959:30)
    at Object.Module._extensions..js (internal/modules/cjs/loader.js:995:10)

My workflow yml:

name: Build and release

on:
  push:
    # branches:
    #   - master
    paths-ignore:
      - 'docs/**'

jobs:
  node:
    name: Node 12
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v2

      - name: Sync packages with cache
        uses: actions/cache@v1
        with:
          path: ./node_modules
          key: ${{ runner.os }}-node_modules-${{ hashFiles('**/yarn.lock') }}
          restore-keys: ${{ runner.os }}-node_modules-

      - name: Install packages
        run: yarn install --frozen-lockfile

      - name: Build the docs
        run: yarn document

      - name: Commit docs
        uses: EndBug/add-and-commit@v4
        with:
          add: 'docs'
          author_name: Github Workflow Bot
          author_email: bot@github.com
          message: 'build docs'
        env:
          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}