Files
f2b/.github/ISSUE_TEMPLATE/bug_report.md
Ismo Vuorinen 98b53d84b5 fix: repair Renovate config, convert Makefile to go run, update GitHub Actions (#120)
* fix: repair Renovate config and convert Makefile to go run (#117)

- Remove non-existent `github>renovatebot/presets:golang` preset that
  broke Renovate PR creation
- Replace deprecated `fileMatch` with `managerFilePatterns` in
  customManagers
- Rewrite regex to match new Makefile pattern (renovate comment above
  version variable assignment)
- Fix `matchFileNames` glob pattern (`*.mk` -> `**/*.mk`)
- Convert all tool invocations from `go install` + global binary to
  `go run tool@version` for reproducible builds
- Convert npm global tools to `npx --yes` invocations
- Remove `dev-deps` and `check-deps` targets (tools auto-download)
- Add mdformat pre-commit hook with GFM support and config
- Add `fmt-md` Makefile target for manual markdown formatting
- Update local golangci-lint pre-commit hook to use `go run`
- Apply golangci-lint v2.10.1 auto-fixes (fmt.Fprintf optimization)
- Add nolint:gosec annotations for legitimate exec.Command usage
- Exclude .serena/ from mdformat and megalinter
- Add markdown indent_size=unset in .editorconfig for CommonMark compat

* chore(deps): update GitHub Actions to latest versions

- anthropics/claude-code-action: v1.0.34 -> v1.0.64
- actions/setup-go: v6.2.0 -> v6.3.0
- actions/upload-artifact: v6.0.0 -> v7.0.0
- goreleaser/goreleaser-action: v6.4.0 -> v7.0.0
- docker/login-action: v3.6.0 -> v3.7.0
- ivuorinen/actions: v2026.01.21 -> v2026.02.24

* fix: address code review feedback

- Fix issue template YAML frontmatter (replace underscore separators
  with proper --- delimiters); exclude templates from mdformat
- Replace string(rune(n)) with strconv.Itoa(n) in test files to produce
  deterministic numeric directory names instead of Unicode characters
- Remove stale `make dev-deps` reference in README, replace with
  `make dev-setup`
- Extract ban/unban format strings into shared.MetricsFmtBanOperations
  and shared.MetricsFmtUnbanOperations constants
- Replace hardcoded coverage percentages in README with evergreen
  phrasing

* fix: address round 2 code review feedback for PR #120

- Fix corrupted path traversal example in docs/security.md
- Fix Renovate .mk regex to match nested paths (.*\.mk$)
- Update checkmake pre-commit hook to v0.3.2 to match Makefile
- Add sync.WaitGroup to unsynchronized goroutines in security tests
- Fix fmt-md target to use pre-commit run mdformat
- Pin markdownlint-cli2 to v0.21.0 in lint-md target
- Standardize //nolint:gosec to // #nosec annotations for gosec CLI

* fix(ci): install PyYAML dependency for PR lint workflow

The pr-lint workflow uses ivuorinen/actions/pr-lint which internally
calls validate-inputs running a Python script that imports yaml.
Python was set up but PyYAML was never installed, causing
ModuleNotFoundError at runtime.

* fix: address round 3 code review feedback for PR #120

- Wrap Windows-style path traversal example in backtick code span so
  backslashes render literally in docs/security.md
- Add Renovate-managed MARKDOWNLINT_CLI2_VERSION variable in Makefile
  to match the pattern used by all other tool versions
2026-03-01 19:09:17 +02:00

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---
name: Bug report
about: Create a report to help us improve
title: ''
labels: bug
assignees: ivuorinen
---
**Describe the bug**
A clear and concise description of what the bug is.
**To Reproduce**
Steps to reproduce the behavior:
1. Run command: `f2b [command]`
1. With arguments: `[arguments]`
1. Expected behavior: `[what should happen]`
1. Actual result: `[what actually happened]`
**Expected behavior**
A clear and concise description of what you expected to happen.
**Command Output**
Please include the full command output:
```bash
$ f2b [your command here]
[paste the complete output here]
```
**Environment (please complete the following information):**
- OS: [e.g. Ubuntu 20.04, macOS 12.6, Windows 11]
- Architecture: [e.g. amd64, arm64]
- Go version: [e.g. 1.20.5] (if building from source)
- f2b version: [e.g. 1.2.3] (run `f2b version`)
- Fail2Ban version: [e.g. 0.11.2] (run `fail2ban-client version`)
- User privileges: [e.g. root, sudo user, regular user]
**Logs**
If available, include relevant logs:
```text
# f2b debug logs (run with --log-level=debug)
[paste debug output here]
# Fail2Ban logs (if relevant)
[paste relevant fail2ban logs here]
```
**Additional context**
Add any other context about the problem here.