instagrab 0.0.1

Scrapes Instagram profile metadata by attaching to a real Chrome over CDP
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name: Release

on:
  push:
    branches: [main]
    paths: ["Cargo.toml"]

permissions: {}

env:
  CARGO_TERM_COLOR: always

jobs:
  guard:
    name: detect version bump
    runs-on: ubuntu-latest
    permissions:
      contents: read
    outputs:
      release: ${{ steps.check.outputs.release }}
      version: ${{ steps.check.outputs.version }}
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
        with:
          fetch-depth: 0 # need all tags to tell a bump from a no-op edit
      - name: Release only when Cargo.toml's version has no tag yet
        id: check
        run: |
          # Read the [package] version straight from the manifest (no cargo
          # toolchain needed just to publish a string).
          version=$(grep -m1 '^version' Cargo.toml | sed -E 's/.*"(.*)".*/\1/')
          echo "version=${version}" >> "$GITHUB_OUTPUT"
          if git rev-parse -q --verify "refs/tags/v${version}" >/dev/null; then
            echo "v${version} already tagged — Cargo.toml changed but version did not; nothing to release."
            echo "release=false" >> "$GITHUB_OUTPUT"
          else
            echo "New version v${version} — releasing."
            echo "release=true" >> "$GITHUB_OUTPUT"
          fi

  test:
    name: build + test
    needs: guard
    if: needs.guard.outputs.release == 'true'
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
      - uses: Swatinem/rust-cache@c19371144df3bb44fab255c43d04cbc2ab54d1c4 # v2.9.1
      - name: cargo build
        run: cargo build --release --verbose
      - name: cargo test
        run: cargo test --verbose

  publish:
    name: publish to crates.io
    needs: [guard, test]
    if: needs.guard.outputs.release == 'true'
    runs-on: ubuntu-latest
    environment: release
    permissions:
      id-token: write # mint the OIDC token Trusted Publishing exchanges
      contents: write # push the tag + create the GitHub Release
    steps:
      - uses: actions/checkout@3d3c42e5aac5ba805825da76410c181273ba90b1 # v7.0.1
      - name: Install Rust toolchain
        uses: dtolnay/rust-toolchain@stable
      - name: Authenticate with crates.io (OIDC)
        id: auth
        uses: rust-lang/crates-io-auth-action@c6f97d42243bad5fab37ca0427f495c86d5b1a18 # v1.0.5
      - name: cargo publish
        run: cargo publish --locked
        env:
          CARGO_REGISTRY_TOKEN: ${{ steps.auth.outputs.token }}
      - name: Tag and create GitHub Release
        # Only after a successful publish, so the tag always marks a version
        # that actually made it to crates.io. gh creates the tag at this
        # commit if it doesn't exist yet.
        env:
          GH_TOKEN: ${{ github.token }}
          VERSION: ${{ needs.guard.outputs.version }}
        run: |
          gh release create "v${VERSION}" --title "v${VERSION}" --generate-notes