fix(cli): comma-split network-bans and network-restrictions slice flags like pflag (CLI-1983) by Coly010 · Pull Request #5975 · supabase/cli

Coly010 · 2026-07-28T14:20:13Z

What changed

Go declares both --db-unban-ip (network-bans remove, cmd/bans.go:48) and --db-allow-cidr (network-restrictions update, cmd/restrictions.go:40) with pflag's StringSliceVar, which CSV-splits every occurrence (--db-unban-ip=1.2.3.4,5.6.7.8 → two IPs) and appends across repeated flags. The TS legacy ports used plain Flag.string(...).pipe(Flag.atLeast(0)) with no splitting, so a comma-separated value stayed one token and failed validation (invalid IP address: 1.2.3.4,5.6.7.8 / failed to parse IP: 1.2.3.0/24,5.6.7.0/24) where the Go CLI accepts both values.

Both flags now route through the existing parity-reviewed legacyParseStringSliceFlag helper (the same encoding/csv-faithful pipeline already used by sso --domains, postgres-config --config, start, and status), using the established Flag.mapTryCatch pattern. This restores Go-identical semantics: comma-split per occurrence, append across repeats, CSV quoting for embedded commas, no trimming, and parse-time rejection of malformed CSV (which, as in Go, precedes the --experimental gate and handler validation).

Scope check: these are the only two StringSliceVar flags in either command family (--bypass-cidr-checks and --append are booleans, --project-ref is a plain string), so no sibling flags needed the same fix. Flag names, defaults, and help text are unchanged, so docs/go-cli-porting-status.md needs no update.

New coverage: flag-parse unit tests per command (comma split, quoted embedded comma, unset default, malformed-CSV rejection) plus integration scenarios that run the real flag pipeline into the handler and assert the resulting request bodies (comma form, repeated append, mixed, single-value regression, and an invalid post-split element failing before any API call). The new tests fail without the fix.

Review notes (deliberately left open)

The rendered flag-error wording for malformed CSV (Go's invalid argument "..." for "--db-unban-ip" flag: parse error ... wrapper) is asserted nowhere in the repo — a pre-existing gap shared with the sso/postgres-config slice-flag tests; this PR matches the existing pattern rather than solving it unilaterally.
In the pathological double-error case (-o bad plus malformed CSV in one invocation), TS surfaces the CSV parse error while Go's winner depends on argv order; both exit non-zero. No action taken.

Fixes CLI-1983
https://linear.app/supabase/issue/CLI-1983/db-unban-ip-and-db-allow-cidr-dont-comma-split-like-gos-stringslicevar

…gs like pflag (CLI-1983)

Coly010 · 2026-07-28T14:20:23Z

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github-actions · 2026-07-29T09:53:31Z

Supabase CLI preview

npx --yes https://pkg.pr.new/supabase/cli/supabase@b75ed7276c474280e4589824757c2e1d8f570714

Preview package for commit b75ed72.

…S to match Go pflag ordering (review: #5975)

Coly010 · 2026-07-29T11:11:01Z

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… to match Go stderr (review: #5975)

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…encoding/csv (review: #5975)

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kanadgupta

Two asks before merge (but I'll approve so as to unblock this):

The PR description is stale: the "Review notes" still say the rendered flag-error wording is asserted nowhere and that the PR "matches the existing pattern rather than solving it unilaterally" — the later commits (a4caf57, b75ed72) do solve it, assert it, and replace the plain Flag.mapTryCatch pattern with a new builder plus a renderer passthrough. Please update the body so it describes what is actually being merged.
See the inline comment about migrating the seven remaining hand-rolled slice-flag sites to legacyStringSliceFlag in a follow-up.

The unresolved %q-vs-JSON.stringify quoting thread (U+2028/NBSP/DEL residual) is a reasonable accepted divergence given the Bun argv lossy-decode ceiling; fine to leave as-is with a human sign-off on that thread.

kanadgupta · 2026-07-29T17:04:44Z

+ * including `\n`/`\r` escapes in multiline values (same precedent as
+ * `sso.format.ts`).
+ */
+export function legacyStringSliceFlag(name: string, description: string) {


DRY follow-up: this builder now supersedes the hand-rolled Flag.mapTryCatch((raw) => legacyParseStringSliceFlag(raw), err => err.message) pattern still used by the seven other slice-flag sites (sso add/update x4, postgres-config update/delete, start, status). Those sites map only err.message, so their malformed-CSV stderr misses the pflag invalid argument %q for %q flag: ... framing this PR establishes as the Go-parity contract — and the parser rewrite in this file also silently changed their multiline/blank-line semantics (first-record-only, EOF on blank-only values). Keeping the migration out of this PR is the right call for diff size, but it might be worthwhile to file a follow-up to move those consumers onto legacyStringSliceFlag so the near-duplicate pattern (and the parity gap it carries) does not persist.

kanadgupta · 2026-07-29T17:04:44Z

+
+// Go declares `--db-unban-ip` with pflag's `StringSliceVar` (`cmd/bans.go:48`),
+// which CSV-splits each occurrence and appends across repeats.
+describe("legacy network-bans remove --db-unban-ip flag (pflag StringSlice parity)", () => {


Optional diff-trim: these four tests (and the mirror file in network-restrictions/update) mostly re-cover behavior that already has stronger homes — comma split / quoted comma / malformed CSV live in the parser suite (legacy-string-slice-flag.unit.test.ts), the integration tests run the same .parse wiring via parseDbUnbanIp, and the experimental-gate integration test asserts the full rendered pflag diagnostic through the real command path. Per the repo testing pyramid (flag parsing coverage belongs in integration by default), the two *.command.unit.test.ts files could be dropped without losing any unique assertion. Fine to keep if you want the flag-level anchor, but they are ~140 lines of duplicate coverage.

fix(cli): comma-split network-bans and network-restrictions slice fla…

09ab038

…gs like pflag (CLI-1983)

Coly010 mentioned this pull request Jul 28, 2026

fix(cli): edge and cosmetic parity sweep from the 2026-07-24 audit (CLI-1990) #5978

Open

Coly010 self-assigned this Jul 29, 2026

Coly010 marked this pull request as ready for review July 29, 2026 09:46

Coly010 requested a review from a team as a code owner July 29, 2026 09:46

chatgpt-codex-connector Bot reviewed Jul 29, 2026

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Comment thread apps/cli/src/legacy/commands/network-bans/remove/remove.command.ts Outdated

docs(cli): document pre-handler CSV flag-parse failure in SIDE_EFFECT…

3f46eb3

…S to match Go pflag ordering (review: #5975)

chatgpt-codex-connector Bot reviewed Jul 29, 2026

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Comment thread apps/cli/src/legacy/commands/network-bans/remove/remove.command.ts Outdated

fix(cli): emit pflag's exact malformed-CSV diagnostic for slice flags…

a4caf57

… to match Go stderr (review: #5975)

chatgpt-codex-connector Bot reviewed Jul 29, 2026

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Comment thread apps/cli/src/legacy/shared/legacy-string-slice-flag.ts Outdated

fix(cli): track physical lines in slice-flag CSV parsing to match Go …

b75ed72

…encoding/csv (review: #5975)

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Comment thread apps/cli/src/legacy/shared/legacy-string-slice-flag.ts

kanadgupta approved these changes Jul 30, 2026

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Coly010 commented Jul 28, 2026

What changed

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