Distillation

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<observations> Date: Jul 21, 2026 * 🟡 (09:03) [tool:result] Confirmed wrangler 4.111.0 installed successfully in /tmp/opencode/wr. * 🟡 (09:03) [tool:result] `wrangler pages deploy --help` output captured. Key OPTIONS: --project-name, --branch ("The name of the branch you want to deploy to"), --commit-hash, --commit-message, --commit-dirty, --skip-caching, --no-bundle, --upload-source-maps (default false). No `--production` flag exists for pages deploy. * 🟡 (09:03) [tool:result] `wrangler deploy --help` output captured. Key OPTIONS include: --name, --tag, --message, --no-bundle (default false), --outdir, --outfile, --compatibility-date, --compatibility-flags/--compatibility-flag, --latest (default false), --assets, --var, --define, --alias, --jsx-factory, --jsx-fragment, --tsconfig, --minify, --upload-source-maps, --dry-run, --secrets-file, --keep-vars (default false), --strict (default false), --triggers/--schedule/--schedules, --routes/--route, --domains/--domain, --metafile, --logpush, --old-asset-ttl, --dispatch-namespace, --containers-rollout (choices: immediate/gradual/none), --autoconfig (default true). * 🔴 (09:03) Cloudflare wrangler CLI `--keep-vars` help text states: "When not used (or set to false), Wrangler will delete all vars before setting those found in the Wrangler configuration. When used (and set to true), the environment variables are not deleted before the deployment... Note that secrets are never deleted by deployments." This is official wrangler v4.111.0 CLI documentation text (relevant to answering user's Q3 about secrets/account-id sensitivity). * 🟡 (09:03) [tool:result] `wrangler whoami --help` output captured: OPTIONS --account (show membership info by id/name), --json (return user info as JSON, non-zero exit if not authenticated). * 🟡 (09:03) [tool:result] `wrangler pages project create --help` output captured: OPTIONS --production-branch ("The name of the production branch of your project"), --compatibility-flags/--compatibility-flag, --compatibility-date. * 🟡 (09:04) Assistant found in wrangler source (node_modules/wrangler/wrangler-dist/cli.js, function deploy2, line ~298961) the exact isProduction logic: `let isProduction = true; if (branch) { isProduction = project.production_branch === branch; }` — answering Q1/Q4: when `--branch` is omitted entirely, isProduction=true (deploys to production); when `--branch` is passed, production only if it exactly matches project.production_branch, else preview. * 🟡 (09:05) [tool:result] Found `getPagesEnvironmentVariables()` in wrangler source sets CF_PAGES_BRANCH via `git rev-parse --abbrev-ref HEAD` defaulting to "local" if git command fails — this is for injecting env vars into the deployed site, NOT the deploy branch-selection logic itself. * 🟡 (09:05) [tool:result] Found pages deploy handler source (src/pages/deploy.ts, pagesDeployCommand): explicitly rejects `--env` flag with error "Pages does not support targeting an environment with the --env flag. Use the --branch flag to target your production or preview branch" — confirms no separate environment selector exists for Pages deploy in wrangler v4. * 🟡 (09:05) [tool:result] Found new-project-creation flow (interactive) in deploy.ts: git detection (`git rev-parse --is-inside-work-tree`) is used ONLY to suggest a production branch name in a prompt; the prompt's fallback default when not a git repo (or detection fails) is the literal string `"production"` (`defaultValue: productionBranch ?? "production"`) — this is distinct from `wrangler pages project create`'s own default (not yet found at cutoff). * 🟡 (09:06) [tool:result] Found existing-project deploy source: if `isGitDir` is true and no `--branch` was passed, `branch = git rev-parse --abbrev-ref HEAD` (auto-detected from git). If NOT a git directory and no `--branch` passed, `branch` remains `undefined`. * 🟡 (09:06) Assistant concluded (confirming Q4): deploying `wrangler pages deploy <dir> --project-name <name>` with no `--branch` from a non-git temp directory results in `branch=undefined` passed to deploy2, causing `isProduction=true` (production deploy) automatically — no need to explicitly pass `--branch <productionBranch>` to force production; omitting `--branch` from a non-git dir already defaults to production. * 🟡 (09:07) [tool:result] Found account-ID/auth resolution source (getActiveAccountId / getOrSelectAccountId2 in wrangler-dist/cli.js): resolution order is (1) temporary account via oauthFlow.getActiveTemporaryAccount(), (2) `config.account_id` (from wrangler.toml/wrangler.jsonc), (3) `CLOUDFLARE_ACCOUNT_ID` env var, (4) cached account (getAccountFromCache2()), (5) if none set, fetchAllAccounts() — if exactly 1 account returned, auto-selects and caches it; if multiple accounts and running non-interactively, throws UserError "More than one account available but unable to select one in non-interactive mode" listing each as `` `name`: `account_id` `` (account name redacted as "(redacted)" if isCI() is true). * 🟡 (09:07) [tool:result] Found requireAuth2 source: in non-interactive mode with no credentials/expired token, throws UserError requiring `CLOUDFLARE_API_TOKEN` env var to be set (links to https://developers.cloudflare.com/fundamentals/api/get-started/create-token/) — confirms CLOUDFLARE_API_TOKEN is the expected/required auth mechanism for CI/non-interactive contexts. * 🟡 (09:08) [tool:result] Grep of wrangler source found evidence of Global API Key auth support alongside API Token: identifiers `apiEmail`(16), `authEmail`/`AuthEmail`(9 combined), `authKey`/`AuthKey`(25 combined), `CLOUDFLARE_API_KEY`(6), `CLOUDFLARE_EMAIL`(5), `globalApiKey`(3), HTTP headers `X-Auth-Email`(5)/`x-auth-email`(2) and `X-Auth-Key`(5)/`x-auth-key`(2) — confirms wrangler v4.111.0 supports the legacy Global API Key + Email auth method (CLOUDFLARE_API_KEY + CLOUDFLARE_EMAIL) as an alternative to CLOUDFLARE_API_TOKEN, in addition to OAuth via `wrangler login`. * 🟡 (09:08) [tool:result] `wrangler pages project create` handler source located (pagesProjectCreateCommand, args include `production-branch` string option, no default shown yet in captured output) — investigation of its exact default value was still in progress at cutoff (assistant's next step, per message: "Now the account discovery and `pages project create` default.").