2 Commits

Author	SHA1	Message	Date
Anso	48f010475b	feat(gitops): resolve branch, tag, and SHA refs to immutable commits before fetch (#1864) ... * feat(gitops): resolve branch, tag, and SHA refs to immutable commits before fetch The ref model now resolves a configured branch, tag, or full commit SHA to an immutable commit before any content is downloaded, and records both the configured and the resolved identity where revision state persists. - RefKind (branch | tag | sha) is a resolved property, not caller-asserted. A bare string resolves branch-first, then tag; a full 40/64-hex SHA self-resolves with no remote round-trip. Branch and tag both fetch via a bare --branch name; a SHA uses init + shallow fetch + detached checkout. - A single ls-remote with narrow heads/tags refspecs pins the configured ref to an immutable SHA; rev-parse HEAD must equal the resolved SHA or the fetch refuses (tip-changed) instead of materializing unreviewed content. - Error union grew: REF_NOT_FOUND (ref-neutral, replaces BRANCH_NOT_FOUND), UNSUPPORTED_REF (a pinned SHA the host will not serve), and a service-level REF_DELETED upgrade that fires when a classified REF_NOT_FOUND occurs for a source with prior fetch history (a vanished ref reads as delete/force-push, not a fresh typo). Status mapping: REF_NOT_FOUND/REF_DELETED to 404, UNSUPPORTED_REF to 400. - Configured-vs-resolved identity is recorded via a nullable resolved_ref_kind column on gitops_generations (added to CREATE TABLE and re-added for legacy installs through maybeAddCol). The kind is deliberately NOT in the plan fingerprint: two sources naming the same commit differently are the same plan. Docs updated (git-sources feature page, connect-a-git-source tutorial, and the native-git-transport internal deep-dive) to the ref-neutral naming. * fix(gitops): harden ref resolution after pre-merge audit Request peeled annotated-tag refs from ls-remote, detect force-pushes and ref-kind changes against prior fetch identity, persist resolved kind on application rows, and add real-git tag/SHA integration coverage plus ref-neutral UI and operator docs. * test(gitops): mock verifyFastForward in direct producer suite The producer tests stub the transport seam but were missing resolved kind on resolveRef and a verifyFastForward stub, so second pulls tripped the new ref-continuity checks as REF_DELETED. * test(git): remove unused buildBareFixtureRepo helper Fixes backend lint failure after the integration fixture was refactored to buildRichFixtureRepo without dropping the old wrapper. * fix(gitops): correct fast-forward ancestry verification under size bounds Replace the dual shallow-fetch ancestry probe with a single-tip deepen strategy, keep verifier Git work inside the transport watchdog, and add real-Git regression coverage for linear advances and rewritten history. * fix(gitops): bound fast-forward verification with exponential deepen Replace per-commit deepen loops with exponential steps, cap remote fetch rounds, and share one deadline across verifier Git calls. Budget exhaustion now surfaces as a classified timeout instead of REF_DELETED. * fix(gitops): classify fast-forward probe failures accurately Normalize verifier probe timeouts and unexpected exit codes into transport failures, interpret merge-base status 1 as proven non-ancestry only, and treat shallow stagnation as timeout instead of REF_DELETED. * fix(gitops): satisfy tsc on probeFailure never returns * fix(gitops): address Phase E QA findings on ref verification Remove the fast-forward scratch repo after verification so pull size caps are not inflated, classify GitHub not-our-ref as UNSUPPORTED_REF, persist fetched_resolved_ref_kind on create-from-git, and broaden REF_DELETED copy for retagged tags.	2026-08-28 16:15:37 -04:00
Anso	392bc15d91	feat(git): swap isomorphic-git for native git transport behind clone seam (#1849) ... * feat(git): swap isomorphic-git for native git transport behind clone seam Replace the isomorphic-git engine (HTTP-only, single importer) with the native git CLI behind the existing withClonedRepo seam, so SSH deploy keys, ref semantics, and private CAs become reachable in later PRs. - resolve-before-fetch: ls-remote pins the branch to an immutable SHA, then rev-parse verifies the checkout against it; tip races refuse - hardened spawns: argv arrays only, protocol allowlist (https only), neutralized hooks, isolated HOME and all config channels, no prompts - token reaches git only via a credential helper reading SENCHO_GIT_TOKEN from the child env; never argv or URL - size cap becomes a workspace watchdog (on-disk measure) keeping the same knob and breach message; deterministic final gate added - Windows: pin http.sslBackend=openssl (schannel ignores sslCAInfo) and anchor to Git's bundled CA; NODE_EXTRA_CA_CERTS combines with platform defaults instead of replacing them - error classification retargets to exit code + stderr while preserving the contractual mappings (AUTH_FAILED maps to 400, never 401; unauthenticated refusals mask as REPO_NOT_FOUND) - runtime image installs git; tests re-pointed at the transport boundary plus a new engine suite (classifier corpus, argv hardening, watchdog) Zero externally visible behavior change except two edge cases: an empty branch now surfaces BRANCH_NOT_FOUND, and a mid-fetch force push refuses instead of materializing the moved tip. * fix(git): unblock CI on linux kill-path test and codeql log warning Two CI-only findings from the first pipeline run: - The scripted spawn child in the transport tests lacked the kill method that killTree's POSIX fallback reaches when a fake process group does not exist; Linux runs crashed inside the timeout tests while Windows (taskkill branch) could not reproduce it. Give the fixture the method the real ChildProcess always has. - CodeQL flagged the workspace-removal warning that interpolated the NODE_EXTRA_CA_CERTS path (environment-sourced values are treated as sensitive at log sinks). Reword the warning to name the variable instead of its value; operators know their own environment. * fix(git): collapse remaining duplicated test setup so the shared helper is used * fix(git): close watchdog, size-gate, ref-validator, and kill-ordering gaps in native transport Resolves the release-blocking findings from an independent pre-merge audit of the native git transport swap: - A watchdog-triggered kill mid-clone was misclassified as a generic exit failure instead of a size breach, because runGit resolves (not rejects) when the child is killed via SIGKILL. - The final on-disk size measurement failed open when it could not be read (workspace removed mid-walk, permissions), letting an unmeasured clone through as a success. Now fails closed and logs the real cause. - The ref-name validator was an overly restrictive allow-list that rejected valid branch names (leading underscore, non-ASCII, '#'). Replaced with a deny-list matching real `git check-ref-format --branch` semantics, verified against the git binary, including a per-path-segment `.lock` check the first pass missed. - runGit's timeout handler settled as soon as a kill was issued rather than confirmed, racing workspace cleanup against a still-alive child tree. It now waits for the child's close event, with a bounded fallback if termination is never confirmed, and preserves the timeout classification if 'error' fires after the kill. - Windows killTree now also falls back to child.kill() when taskkill itself exits non-zero, not just when it fails to spawn. - Added a real, non-mocked integration test that drives the credential helper through the actual git binary against a local HTTPS server with Basic Auth checking. It caught a genuine bug the mocked suite could not see: the credential.helper config value was quoted in a way that broke git's own absolute-path helper detection, failing every authenticated clone. Fixed by removing the quotes. - Migrated a separately developed test file's mocks off the deleted isomorphic-git module onto the native transport seam, matching the pattern already used elsewhere, after merging with main pulled in that feature. Also updates two stale comments left over from the isomorphic-git era and adds a git version check to the Docker runtime image smoke tests. * fix(git): make credential-helper path safe, unify ref length, and fix Windows kill ordering Addresses three PR 1 correction items from pre-merge audit: - credential.helper is a shell string, not argv: interpolating the helper's workspace-relative path broke authenticated fetches whenever the workspace sat under a directory with a space in its name. The config value is now a fixed string that names an environment variable instead, so no workspace path character can affect how git's shell parses it. - The transport rejected branch names over 200 characters while the route accepted up to 256 and real git has no comparable limit. REF_MAX_LEN is now a single exported constant shared by the transport and both routes. - On Windows, taskkill runs as a separate process and could still be walking a killed process tree after the direct git child reported closed, letting the caller delete the workspace early. Kill operations are now awaited to completion (bounded by a timeout) before a timed-out or size-breached run settles, on both the close and error event paths. Verified against a real authenticated git server inside the built runtime image: public HTTPS, private HTTPS with a valid PAT, invalid PAT, a deleted branch, an oversized repository, and the awkward workspace-path case, including from a workspace path containing spaces and shell metacharacters. * fix(git): reap killed helpers and classify curl refusals	2026-08-28 02:00:08 +00:00