add tests that validate git remote related flows

[Soph]

So far our integration tests did not cover pushing or pulling from/to a remote. This adds this now using a local remote.

[cursor]

PR Summary

Low Risk
Adds integration/unit tests around git remote push/fetch behavior (including non-fast-forward merge and graceful fallback), with minimal risk beyond potential test flakiness due to external git invocation and parallel execution constraints.

Overview
Adds a new remote_operations_test.go integration suite that validates pre-push behavior for syncing entire/checkpoints/v1 and (when present) entire/trails/v1 to bare remotes, including no-op/idempotent cases, push_sessions: false, checkpoint-remote routing/fallback, clone+fetch resume, and concurrent non-fast-forward recovery.

Extends the integration TestEnv with helpers to create bare remotes, clone repos, patch .entire/settings.json, run the pre-push hook, fetch metadata branches, and assert remote branch state.

Adds unit tests in push_common_test.go to ensure doPushBranch/pushBranchIfNeeded gracefully ignore unreachable targets and can push successfully to a local bare-repo path.

^{Written by Cursor Bugbot for commit 3c059e3. Configure here.}

[Copilot]

Pull request overview

Adds unit and integration coverage for git-remote–related checkpoint/trails push flows in Entire CLI, focusing on pre-push behavior, routing/fallback logic, and non-fast-forward recovery.

Changes:

• Expanded strategy unit tests around pushing metadata branches to unreachable/local targets.
• Added new TestEnv helpers for creating bare remotes, cloning, pushing/fetching, and running the pre-push hook.
• Introduced a comprehensive integration test suite validating pre-push outcomes (checkpoint/trails pushes, routing, clone+resume, and concurrent push merge recovery).

Reviewed changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated 6 comments.

File	Description
cmd/entire/cli/strategy/push_common_test.go	Adds unit tests for graceful push failure and local bare-repo push success cases.
cmd/entire/cli/integration_test/testenv.go	Adds integration helpers for bare remotes, cloning, settings patching, and pre-push execution.
cmd/entire/cli/integration_test/remote_operations_test.go	Adds integration tests covering pre-push push behavior, routing/fallback, clone+resume flows, and non-fast-forward recovery.

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[cursor]

Cursor Bugbot has reviewed your changes and found 1 potential issue.

Bugbot Autofix prepared a fix for the issue found in the latest run.

• ✅ Fixed: Unused GitFetch method is dead code
  • Removed the unused GitFetch method from TestEnv since it is never called anywhere in the codebase; all fetching uses FetchMetadataBranch instead.

Or push these changes by commenting:

@cursor push 3dbf40d88d

Preview (3dbf40d88d)

diff --git a/cmd/entire/cli/integration_test/testenv.go b/cmd/entire/cli/integration_test/testenv.go
--- a/cmd/entire/cli/integration_test/testenv.go
+++ b/cmd/entire/cli/integration_test/testenv.go
@@ -1792,19 +1792,6 @@
 	}
 }
 
-// GitFetch fetches from a remote. Fails the test on error.
-func (env *TestEnv) GitFetch(remote string, args ...string) {
-	env.T.Helper()
-
-	cmdArgs := append([]string{"fetch", remote}, args...)
-	cmd := exec.CommandContext(context.Background(), "git", cmdArgs...)
-	cmd.Dir = env.RepoDir
-	cmd.Env = testutil.GitIsolatedEnv()
-	if output, err := cmd.CombinedOutput(); err != nil {
-		env.T.Fatalf("git fetch %s failed: %v\n%s", remote, err, output)
-	}
-}
-
 // RunPrePush runs the pre-push hook via the CLI binary, consistent with how
 // other CLI invocations (GitCommitWithShadowHooks, RunCLI) use env.cliEnv().
 func (env *TestEnv) RunPrePush(remote string) {

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