gwm-cli 1.3.0

use std::fs;
#[cfg(unix)]
use std::{path::Path, process::Command};

#[cfg(unix)]
const CHECK_RC_DUPES: &str = ".github/scripts/check-rc-changelog-dupes.sh";

#[test]
fn stable_release_workflow_skips_prerelease_tags() {
  let workflow = fs::read_to_string(".github/workflows/release.yml").unwrap();

  for suffix in ["-rc.", "-alpha.", "-beta."] {
    let guard = format!("!contains(github.event.inputs.tag || github.ref_name, '{suffix}')");
    assert!(
      workflow.contains(&guard),
      "release.yml must guard stable release jobs against {suffix} tags"
    );
  }
}

#[test]
fn stable_release_publish_uses_github_cli_with_workflow_token() {
  let workflow = fs::read_to_string(".github/workflows/release.yml").unwrap();
  let publish_step = workflow
    .split("      - name: publish release")
    .nth(1)
    .and_then(|tail| tail.split("\n  homebrew-tap-update:").next())
    .expect("release.yml must contain a publish release step before homebrew-tap-update");

  assert!(
    !workflow.contains("uses: softprops/action-gh-release"),
    "release.yml must not use softprops/action-gh-release for the stable GitHub Release publish step"
  );
  assert!(
    publish_step.contains("GH_TOKEN: ${{ github.token }}"),
    "release.yml must pass the workflow token to gh via GH_TOKEN in the publish release step"
  );
  assert!(
    publish_step.contains("gh release create \"$TAG\""),
    "release.yml must create the stable GitHub Release with gh release create"
  );
  assert!(
    publish_step.contains("--notes-file \"${{ steps.changelog.outputs.path }}\""),
    "stable release notes must still come from changelogs/<version>.md"
  );
  assert!(
    publish_step.contains("gh release upload \"$TAG\"") && publish_step.contains("--clobber"),
    "release.yml must upload artifacts with gh release upload --clobber so recovery reruns can replace assets"
  );
}

/// Every `actions/checkout` in `release.yml`, paired with its `with:` block.
///
/// Parsing the YAML rather than grepping the text keeps the invariant below
/// honest: a step that spells its inputs differently, or a job that grows a
/// second checkout, is still seen.
fn release_workflow_checkout_steps() -> Vec<(String, serde_yaml_ng::Value)> {
  let workflow: serde_yaml_ng::Value =
    serde_yaml_ng::from_str(&fs::read_to_string(".github/workflows/release.yml").unwrap()).unwrap();

  let mut steps = Vec::new();
  for (job_name, job) in workflow["jobs"].as_mapping().expect("release.yml must define jobs") {
    let job_name = job_name.as_str().unwrap_or_default().to_string();
    let Some(job_steps) = job["steps"].as_sequence() else {
      continue;
    };
    for step in job_steps {
      let uses = step["uses"].as_str().unwrap_or_default();
      if uses.starts_with("actions/checkout@") {
        steps.push((job_name.clone(), step["with"].clone()));
      }
    }
  }
  steps
}

/// A checkout that is only there to read the tree (sources, packaging
/// templates, render scripts, `changelogs/`) has no use for the auto-injected
/// token `actions/checkout` writes into `.git/config`. Leaving it there hands a
/// credential to every later step in the job, including the ones that render
/// templates from release data.
///
/// The discriminator is the explicit `token:` input: the two checkouts that
/// genuinely push (the Homebrew tap and the Scoop bucket) pass a scoped PAT and
/// rely on it being persisted. Everything else must opt out.
#[test]
fn release_workflow_checkouts_without_a_token_do_not_persist_credentials() {
  let mut audited = 0;

  for (job, with) in release_workflow_checkout_steps() {
    if !with["token"].is_null() {
      continue;
    }
    audited += 1;
    assert_eq!(
      with["persist-credentials"].as_bool(),
      Some(false),
      "the checkout in job `{job}` does not push, so it must set `persist-credentials: false`"
    );
  }

  assert!(
    audited >= 4,
    "expected at least 4 credential-free checkouts in release.yml, found {audited} — the parser is \
     probably no longer seeing the steps"
  );
}

/// The mirror of the invariant above: the two checkouts that push must keep the
/// credential they were handed. A blanket `persist-credentials: false` sweep
/// across the file would break `git push` in both publish jobs, and it would
/// break it at tag time, on the one run nobody gets to retry cheaply.
#[test]
fn release_workflow_publishing_checkouts_keep_their_token() {
  let pushing: Vec<_> = release_workflow_checkout_steps()
    .into_iter()
    .filter(|(_, with)| !with["token"].is_null())
    .collect();

  assert_eq!(
    pushing.len(),
    2,
    "expected exactly the tap and bucket checkouts to carry a token, found {}",
    pushing.len()
  );

  for (job, with) in pushing {
    assert_ne!(
      with["persist-credentials"].as_bool(),
      Some(false),
      "job `{job}` pushes with its token, so it must not disable credential persistence"
    );
  }
}

/// The AUR publish automation was removed in #430: `gwm-cli-bin` is maintained
/// on the AUR by a third party, so the job never had push rights on it. Being
/// advisory, it failed silently on every stable tag while the release run
/// reported success, which is the worst of both worlds: the docs read as
/// automated and nobody sees the failure.
///
/// `AUR_SSH_PRIVATE_KEY` is pinned alongside the job because the secret was
/// malformed to begin with (`invalid format` at the v1.2.0 tag). Resurrecting
/// a reference to it by copy-paste would fail the same way, quietly.
///
/// If co-maintenance of the package is ever granted, deleting this test is the
/// correct first step of the change that brings the job back, not a workaround
/// for it. The template, render script and their tests were kept intact for
/// exactly that.
#[test]
fn release_workflow_carries_no_aur_publish_automation() {
  let workflow = fs::read_to_string(".github/workflows/release.yml").unwrap();

  for needle in [
    "aur-publish",
    "AUR_SSH_PRIVATE_KEY",
    "github-actions-deploy-aur",
    "gwm-cli-bin",
  ] {
    assert!(
      !workflow.contains(needle),
      "release.yml must not reference `{needle}`: the AUR package is maintained by a third party \
       (#430) and is refreshed by hand, see CONTRIBUTING.md > Releases > AUR"
    );
  }
}

#[test]
fn prerelease_workflow_does_not_match_stable_tags() {
  let workflow = fs::read_to_string(".github/workflows/pre-release.yml").unwrap();

  assert!(
    workflow.contains("\"v*.*.*-rc.*\""),
    "pre-release.yml must trigger on rc tags"
  );
  assert!(
    workflow.contains("\"v*.*.*-alpha.*\""),
    "pre-release.yml must trigger on alpha tags"
  );
  assert!(
    workflow.contains("\"v*.*.*-beta.*\""),
    "pre-release.yml must trigger on beta tags"
  );
  assert!(
    !workflow.contains("\n      - \"v*.*.*\""),
    "pre-release.yml must not trigger on stable tags"
  );
}

#[test]
fn ci_test_matrix_runs_on_windows_latest() {
  let workflow = fs::read_to_string(".github/workflows/ci.yml").unwrap();
  let test_job = workflow
    .split("  test:")
    .nth(1)
    .and_then(|tail| tail.split("\n  hook-smoke:").next())
    .expect("ci.yml must contain a test job before hook-smoke");

  for os in ["ubuntu-latest", "macos-latest", "windows-latest"] {
    assert!(test_job.contains(os), "ci.yml test matrix must include {os}");
  }
  assert!(
    test_job.contains("run: cargo build --verbose"),
    "windows-latest must run the same cargo build step as the other test matrix rows"
  );
  assert!(
    test_job.contains("run: cargo test --verbose"),
    "windows-latest must run the same cargo test step as the other test matrix rows"
  );
}

#[test]
fn prerelease_workflow_checks_unreleased_against_previous_rc_before_publish() {
  let workflow = fs::read_to_string(".github/workflows/pre-release.yml").unwrap();
  let check_pos = workflow
    .find("check unreleased changelog against previous rc")
    .expect("pre-release.yml must run the duplicate changelog guard");
  let publish_pos = workflow
    .find("publish pre-release")
    .expect("pre-release.yml must still publish the pre-release");

  assert!(
    check_pos < publish_pos,
    "duplicate changelog guard must run before publishing the pre-release"
  );
  assert!(
    workflow.contains("./.github/scripts/check-rc-changelog-dupes.sh \"${{ steps.tag.outputs.name }}\""),
    "pre-release.yml must call the duplicate changelog guard with the resolved tag"
  );
}

#[cfg(unix)]
#[test]
fn rc_changelog_dupe_check_fails_on_repeated_bullet() {
  let tmp = tempfile::tempdir().unwrap();
  write_release_files(
    tmp.path(),
    r#"
# Changelog

## [Unreleased]

### Fixed

- Release workflow publishes with the workflow token. (#146)
- Fresh post-rc delta. (#147)

## Past releases
"#,
    r#"
# [0.7.0-rc.2] - 2026-05-23

### Fixed

- Release workflow publishes with the workflow token. (#146)
"#,
  );

  let output = run_dupe_check(tmp.path(), "v0.7.0-rc.3");

  assert!(!output.status.success(), "duplicate bullet must fail the check");
  let stderr = String::from_utf8_lossy(&output.stderr);
  assert!(
    stderr.contains("#146"),
    "failure should name the duplicated issue ref: {stderr}"
  );
  assert!(
    stderr.contains("Release workflow publishes with the workflow token"),
    "failure should name the duplicated changelog bullet: {stderr}"
  );
}

#[cfg(unix)]
#[test]
fn rc_changelog_dupe_check_fails_on_repeated_issue_ref() {
  let tmp = tempfile::tempdir().unwrap();
  write_release_files(
    tmp.path(),
    r#"
# Changelog

## [Unreleased]

### Changed

- Tighten release workflow token handling. (#146)

## Past releases
"#,
    r#"
# [0.7.0-rc.2] - 2026-05-23

### Fixed

- Release workflow publishes with the workflow token. (#146)
"#,
  );

  let output = run_dupe_check(tmp.path(), "v0.7.0-rc.3");

  assert!(!output.status.success(), "repeated issue ref must fail the check");
  let stderr = String::from_utf8_lossy(&output.stderr);
  assert!(
    stderr.contains("#146"),
    "failure should name the duplicated issue ref: {stderr}"
  );
}

#[cfg(unix)]
#[test]
fn rc_changelog_dupe_check_allows_new_post_rc_delta() {
  let tmp = tempfile::tempdir().unwrap();
  write_release_files(
    tmp.path(),
    r#"
# Changelog

## [Unreleased]

### Fixed

- Fresh post-rc delta. (#147)

## Past releases
"#,
    r#"
# [0.7.0-rc.2] - 2026-05-23

### Fixed

- Release workflow publishes with the workflow token. (#146)
"#,
  );

  let output = run_dupe_check(tmp.path(), "v0.7.0-rc.3");

  assert!(
    output.status.success(),
    "new post-rc deltas must pass: {}",
    String::from_utf8_lossy(&output.stderr)
  );
}

#[cfg(unix)]
#[test]
fn rc_changelog_dupe_check_skips_first_rc_without_previous_notes() {
  let tmp = tempfile::tempdir().unwrap();
  fs::create_dir_all(tmp.path().join("changelogs/pre-releases")).unwrap();
  fs::write(
    tmp.path().join("CHANGELOG.md"),
    r#"
# Changelog

## [Unreleased]

### Fixed

- First rc entry. (#147)

## Past releases
"#,
  )
  .unwrap();

  let output = run_dupe_check(tmp.path(), "v0.7.0-rc.1");

  assert!(
    output.status.success(),
    "rc.1 has no previous rc to compare: {}",
    String::from_utf8_lossy(&output.stderr)
  );
}

#[cfg(unix)]
fn write_release_files(root: &Path, changelog: &str, previous_rc: &str) {
  fs::create_dir_all(root.join("changelogs/pre-releases")).unwrap();
  fs::write(root.join("CHANGELOG.md"), changelog).unwrap();
  fs::write(root.join("changelogs/pre-releases/0.7.0-rc.2.md"), previous_rc).unwrap();
}

#[cfg(unix)]
fn run_dupe_check(root: &Path, tag: &str) -> std::process::Output {
  let script = std::env::current_dir().unwrap().join(CHECK_RC_DUPES);
  let test_script = root.join(CHECK_RC_DUPES);
  fs::create_dir_all(test_script.parent().unwrap()).unwrap();
  fs::copy(script, &test_script).unwrap();

  Command::new("bash")
    .arg(CHECK_RC_DUPES)
    .arg(tag)
    .current_dir(root)
    .output()
    .unwrap()
}