wip: github actions

github/README.md

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+# opencode GitHub Action
+
+A GitHub Action that integrates [opencode](https://opencode.ai) directly into your GitHub workflow.
+
+Start your comment with `hey opencode`, and opencode will take action via your GitHub Actions runner.
+
+## Features
+
+#### Triage and explain issues
+
+```
+hey opencode, explain this issue
+```
+
+#### Fix or implement issues - opencode will create a PR with the changes.
+
+```
+hi opencode, fix this
+```
+
+- Review PRs and make changes
+
+```
+Delete the attachment from S3 when the note is removed @opencode-agent
+```
+
+## Installation
+
+Run the following command in the terminal from your GitHub repo:
+
+```
+opencode github install
+```
+
+This will walk you through installing the GitHub app, configuring the workflow, and setting up secrets.
+
+### Manual Setup
+
+1. Install the GitHub app https://github.com/apps/opencode-agent. Make sure it is installed on the target repository.
+2. Add the following workflow file to `.github/workflows/opencode.yml` in your repo. Set the appropriate `model` and required API keys in `env`.
+
+```yml
+name: opencode
+
+on:
+  issue_comment:
+    types: [created]
+
+jobs:
+  opencode:
+    if: |
+      startsWith(github.event.comment.body, 'opencode') ||
+      startsWith(github.event.comment.body, 'hi opencode') ||
+      startsWith(github.event.comment.body, 'hey opencode') ||
+      contains(github.event.comment.body, '@opencode-agent')
+    runs-on: ubuntu-latest
+    permissions:
+      id-token: write
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 1
+
+      - name: Run opencode
+        uses: sst/opencode/github@latest
+        env:
+          ANTHROPIC_API_KEY: ${{ secrets.ANTHROPIC_API_KEY }}
+        with:
+          model: anthropic/claude-sonnet-4-20250514
+```
+
+3. Store the API keys in secrets. In your organization or project **settings**, expand **Secrets and variables** on the left and select **Actions**. Add the required API keys.
+
+## Support
+
+This is an early release. If you encounter issues or have feedback, please create an issue at https://github.com/sst/opencode/issues.
+
+## Development
+
+To test locally:
+
+1. Navigate to a test repo (e.g. `hello-world`):
+
+```
+cd hello-world
+```
+
+2. Run:
+
+```
+MODEL=anthropic/claude-sonnet-4-20250514 \
+  ANTHROPIC_API_KEY=sk-ant-api03-1234567890 \
+  GITHUB_RUN_ID=dummy \
+  bun /path/to/opencode/packages/opencode/src/index.ts github run \
+  --token 'github_pat_1234567890' \
+  --event '{"eventName":"issue_comment",...}'
+```
+
+- `MODEL`: The model used by opencode. Same as the `MODEL` defined in the GitHub workflow.
+- `ANTHROPIC_API_KEY`: Your model provider API key. Same as the keys defined in the GitHub workflow.
+- `GITHUB_RUN_ID`: Dummy value to emulate GitHub action environment.
+- `/path/to/opencode`: Path to your cloned opencode repo. `bun /path/to/opencode/packages/opencode/src/index.ts` runs your local version of `opencode`.
+- `--token`: A GitHub persontal access token. This token is used to verify you have `admin` or `write` access to the test repo. Generate a token [here](https://github.com/settings/personal-access-tokens).
+- `--event`: Mock GitHub event payload (see templates below).
+
+#### Issue comment event
+
+```
+  --event '{"eventName":"issue_comment","repo":{"owner":"sst","repo":"hello-world"},"actor":"fwang","payload":{"issue":{"number":4},"comment":{"id":1,"body":"hey opencode, summarize thread"}}}'
+```
+
+Replace:
+
+- `"owner":"sst"` with repo owner
+- `"repo":"hello-world"` with repo name
+- `"actor":"fwang"` with the GitHub username of commentor
+- `"number":4` with the GitHub issue id
+- `"body":"hey opencode, summarize thread"` with comment body
+
+#### Issue comment with image attachment.
+
+```
+  --event '{"eventName":"issue_comment","repo":{"owner":"sst","repo":"hello-world"},"actor":"fwang","payload":{"issue":{"number":4},"comment":{"id":1,"body":"hey opencode, what is in my image ![Image](https://github.com/user-attachments/assets/xxxxxxxx)"}}}'
+```
+
+Replace the image URL `https://github.com/user-attachments/assets/xxxxxxxx` with a valid GitHub attachment (you can generate one by commenting with an image in any issue).
+
+#### PR comment event
+
+```
+  --event '{"eventName":"issue_comment","repo":{"owner":"sst","repo":"hello-world"},"actor":"fwang","payload":{"issue":{"number":4,"pull_request":{}},"comment":{"id":1,"body":"hey opencode, summarize thread"}}}'
+```

github/action.yml

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+name: "opencode GitHub Action"
+description: "Run opencode in GitHub Actions workflows"
+branding:
+  icon: "code"
+  color: "orange"
+
+inputs:
+  model:
+    description: "Model to use"
+    required: false
+
+  share:
+    description: "Share the opencode session (defaults to true for public repos)"
+    required: false
+
+runs:
+  using: "composite"
+  steps:
+    - name: Install opencode
+      shell: bash
+      run: curl -fsSL https://opencode.ai/install | bash
+
+    - name: Run opencode
+      shell: bash
+      id: run_opencode
+      run: opencode github run
+      env:
+        MODEL: ${{ inputs.model }}
+        SHARE: ${{ inputs.share }}

github/script/publish

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+#!/usr/bin/env bash
+
+# Get the latest Git tag
+latest_tag=$(git tag --sort=committerdate | grep -E '^github-v[0-9]+\.[0-9]+\.[0-9]+$' | tail -1)
+if [ -z "$latest_tag" ]; then
+    echo "No tags found"
+    exit 1
+fi
+echo "Latest tag: $latest_tag"
+
+# Update latest tag
+git tag -d latest
+git push origin :refs/tags/latest
+git tag -a latest $latest_tag -m "Update latest to $latest_tag"
+git push origin latest

github/script/release

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+#!/usr/bin/env bash
+
+# Parse command line arguments
+minor=false
+while [ "$#" -gt 0 ]; do
+  case "$1" in
+    --minor) minor=true; shift 1;;
+    *) echo "Unknown parameter: $1"; exit 1;;
+  esac
+done
+
+# Get the latest Git tag
+git fetch --force --tags
+latest_tag=$(git tag --sort=committerdate | grep -E '^github-v[0-9]+\.[0-9]+\.[0-9]+$' | tail -1)
+if [ -z "$latest_tag" ]; then
+    echo "No tags found"
+    exit 1
+fi
+
+echo "Latest tag: $latest_tag"
+
+# Split the tag into major, minor, and patch numbers
+IFS='.' read -ra VERSION <<< "$latest_tag"
+
+if [ "$minor" = true ]; then
+    # Increment the minor version and reset patch to 0
+    minor_number=${VERSION[1]}
+    let "minor_number++"
+    new_version="${VERSION[0]}.$minor_number.0"
+else
+    # Increment the patch version
+    patch_number=${VERSION[2]}
+    let "patch_number++"
+    new_version="${VERSION[0]}.${VERSION[1]}.$patch_number"
+fi
+
+echo "New version: $new_version"
+
+# Tag
+git tag $new_version
+git push --tags