This PR contains the following updates:
| Package | Type | Update | Change | Pending |
|---|---|---|---|---|
| [golangci/golangci-lint](https://github.com/golangci/golangci-lint) | repository | minor | `v2.11.4` → `v2.12.0` | `v2.12.1` |
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---
### Release Notes
<details>
<summary>golangci/golangci-lint (golangci/golangci-lint)</summary>
### [`v2.12.0`](https://github.com/golangci/golangci-lint/blob/HEAD/CHANGELOG.md#v2120)
[Compare Source](https://github.com/golangci/golangci-lint/compare/v2.11.4...v2.12.0)
*Released on 2026-05-01*
1. New linters
- Add `clickhouselint` linter <https://github.com/ClickHouse/clickhouse-go-linter>
2. Linters new features or changes
- `dupl`: from [`f665c8d`](https://github.com/golangci/golangci-lint/commit/f665c8d69b32) to [`c99c5cf`](https://github.com/golangci/golangci-lint/commit/c99c5cf5c202) (extended detection)
- `funcorder`: from 0.5.0 to 0.6.0 (new option: `function`)
- `goconst`: add an option to ignore strings from tests
- `goconst`: from 1.8.2 to 1.10.0 (extended detection)
- `gomodguard_v2`: from 1.4.1 to 2.1.0 (major version with new configuration)
- `gosec`: from [`619ce21`](https://github.com/golangci/golangci-lint/commit/619ce2117e08) to 2.26.1 (new checks: `G124`, `G708`, `G709`, `G710`)
- `govet`: add `inline` analyzer
- `makezero`: from 2.1.0 to 2.2.1 (support slice type aliases)
- `paralleltest`: expose `checkcleanup` option
- `sloglint`: from 0.11.1 to 0.12.0 (new options: `allowed-keys`, `custom-funcs`)
- `wsl_v5`: from 5.6.0 to 5.8.0 (new option: `cuddle-max-statements`; new checks: `after-decl`, `after-defer`, `after-expr`, `after-go`, `cuddle-group`)
3. Linters bug fixes
- `forbidigo`: from 2.3.0 to 2.3.1
- `godot`: from 1.5.4 to 1.5.6
- `govet-modernize`: from 0.43.0 to 0.44.0
- `ireturn`: from 0.4.0 to 0.4.1
- `rowserrcheck`: from 1.1.1 to [`c5f79b8`](https://github.com/golangci/golangci-lint/commit/c5f79b8)
4. Misc.
- Decrease cache entropy
- Embed the JSON schema in the binary
- Filter env vars when cloning the repository with the `custom` command
</details>
---
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Reviewed-on: #100
Co-authored-by: Renovate Bot <renovate@unbound.se>
Co-committed-by: Renovate Bot <renovate@unbound.se>
## Summary
- `vladopajic/go-test-coverage@v2` (v2.18.5+, released 2026-04-26/27) restructured its composite action to pass inputs via env-var mapping. Gitea `act_runner` doesn't expand `${{ }}` expressions inside docker-action `env:` blocks reliably, so the literal string `${{ inputs.config }}` reached the binary and broke the 'Check coverage' step.
- Replace the action with a direct `go install` + binary invocation (matching the established Frostmoln pattern).
- Use `--github-action-output` to expose `total-coverage` as a step output, replacing the manual `go tool cover -func | grep | awk` calculations.
- Baseline artifact now stores the percentage directly instead of the full coverage profile.
- Bump `go` directive in `go.mod` from 1.24.4 → 1.26.2 (matching toolchain) — we are the sole consumers of this module.
## Test plan
- [x] `prek run --all-files` passes
- [ ] CI passes on this PR
- [ ] After merge, baseline artifact format propagates on next push to main
Reviewed-on: #96
Add go-test-coverage for coverage threshold enforcement. Coverage data
is uploaded as artifacts on main branch and compared against baseline
in PRs using shell script that gracefully handles first run without
baseline. PR comments show coverage percentage.
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>
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