action.yml

name: "DepsHub MCP"
description: "Installs the latest DepsHub MCP binary and exposes Codex config"
author: "DepsHub"
branding:
  icon: "package"
  color: "green"

inputs:
  base-url:
    description: "Base API URL for DepsHub MCP"
    required: false
    default: "https://mcp-api.depshub.com"

outputs:
  codex_prompt:
    description: "Prompt text for OpenAI Codex"
    value: ${{ steps.prompt.outputs.prompt }}

  codex_args:
    description: "Arguments for MCP configuration"
    value: ${{ steps.args.outputs.codex_args }}

runs:
  using: "composite"
  steps:
    - name: Detect architecture
      id: arch
      shell: bash
      run: |
        ARCH=$(uname -m)
        case "$ARCH" in
          x86_64)  ARCH=amd64 ;;
          arm64|aarch64) ARCH=arm64 ;;
          *) echo "Unsupported architecture: $ARCH"; exit 1 ;;
        esac
        echo "arch=$ARCH" >> $GITHUB_OUTPUT

    - name: Find latest DepsHub MCP release
      id: version
      shell: bash
      run: |
        TAG=$(curl -s https://api.github.com/repos/DepsHubHQ/mcp/releases/latest \
          | grep '"tag_name":' \
          | sed -E 's/.*"([^"]+)".*/\1/')
        echo "Latest MCP version: $TAG"
        echo "version=$TAG" >> $GITHUB_OUTPUT

    - name: Download latest MCP binary
      shell: bash
      run: |
        URL="https://github.com/DepsHubHQ/mcp/releases/download/${{ steps.version.outputs.version }}/depshub-linux-${{ steps.arch.outputs.arch }}"
        echo "Downloading MCP binary: $URL"
        curl -L "$URL" -o depshub-mcp
        chmod +x depshub-mcp

    - name: Load dynamic prompt from MCP
      id: prompt
      shell: bash
      env:
        BASE_URL: ${{ inputs.base-url }}
      run: |
        PROMPT=$(./depshub-mcp prompt)
        PROMPT_FILE="$GITHUB_WORKSPACE/prompt.txt"
        printf "%s" "$PROMPT" > "$PROMPT_FILE"
        echo "prompt=$PROMPT_FILE" >> "$GITHUB_OUTPUT"
        echo "Saved prompt to: $PROMPT_FILE"

    - name: Build Codex MCP arguments
      id: args
      shell: bash
      run: |
        echo "codex_args=-c 'mcp_servers.depshub.command=\"./depshub-mcp\"' -c 'mcp_servers.depshub.args=[\"start\"]' -c 'sandbox_workspace_write.network_access=true' -c 'shell_environment_policy.ignore_default_excludes=true'" >> $GITHUB_OUTPUT

    - name: Set Git identity
      shell: bash
      run: |
        git config user.name "DepsHub"
        git config user.email "support@depshub.com"