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Update golangci-lint to v2.12.2 with canonical config (closes #60)
- Add canonical .golangci.yml (v2 schema, default: all, project
  thresholds for lll/funlen/cyclop/dupl)
- Bump golangci-lint pins from v2.0.2 to v2.12.2 in Makefile
  (go install, new /v2 module path) and Dockerfile (tagged+digest
  Debian image pin)
- Fix all lint findings surfaced by the new linter set across
  cmd/mfer, internal/bork, internal/cli, internal/log, and mfer:
  static sentinel errors (err113), context-aware HTTP and exec
  (noctx), guarded integer conversions and stricter permissions
  (gosec), named constants (mnd, goconst), function decomposition
  (funlen, cyclop, gocognit, nestif), declaration ordering
  (funcorder), t.Parallel/t.TempDir/t.Setenv adoption in tests
  (paralleltest, usetesting), protobuf getters (protogetter), plus
  formatting and style cleanups (wsl_v5, nlreturn, lll, revive,
  testifylint, and others)
- Serialize CLI runs in tests behind a mutex so parallel tests do
  not cross-wire the process-global logger's captured output

The decompositions are behavior-preserving. In particular:

- REPO_POLICIES.md is untouched and stays byte-identical to the
  authoritative copy in the prompts repo
- the mfer.manifest type stays unexported; whether to export it is an
  open owner design question (README question 13)
- directories created by fetch keep mode 0755, because fetched trees
  are content meant to be readable by other uids
- an absent MFFilePath.Mtime is handled explicitly and identically in
  freshen, list, and export rather than being read as the Unix epoch,
  which would classify every entry as changed and rewrite the manifest
  on every freshen
- every user-visible error message renders byte-identically to what it
  did before, with the err113 sentinels wrapped mid-sentence where
  needed; the rendered strings are now pinned by tests

Also fixes an argument-injection defect the lint pass surfaced: key IDs
reach gpg as bare positional arguments, so a key ID beginning with "-"
was parsed by gpg as an option. All positional arguments now follow an
explicit "--" end-of-options marker.

The symlink-escape gap in fetch's path handling, which sanitizePath
does not and cannot address, is filed separately as #86.
2026-08-10 13:56:38 +00:00

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Docker

# Lint stage — fast feedback on formatting and lint issues
# golangci/golangci-lint:v2.12.2 (Debian-based), 2026-08-07
FROM golangci/golangci-lint:v2.12.2@sha256:5cceeef04e53efe1470638d4b4b4f5ceefd574955ab3941b2d9a68a8c9ad5240 AS lint
WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download
COPY . .
# Touch .pb.go so make does not try to regenerate via protoc (file is committed)
RUN touch mfer/mf.pb.go
RUN make fmt-check
RUN make lint
# Build stage — tests and compilation
# golang:1.23 (2026-03-14)
FROM golang@sha256:60deed95d3888cc5e4d9ff8a10c54e5edc008c6ae3fba6187be6fb592e19e8c0 AS builder
# Force BuildKit to run the lint stage by creating a stage dependency
COPY --from=lint /src/go.sum /dev/null
WORKDIR /src
COPY go.mod go.sum ./
RUN go mod download
COPY . .
# Touch .pb.go so make does not try to regenerate via protoc (file is committed)
RUN touch mfer/mf.pb.go
RUN make test
RUN cd cmd/mfer && go build -tags urfave_cli_no_docs -o /mfer .
FROM scratch
COPY --from=builder /mfer /mfer
ENTRYPOINT ["/mfer"]