[bug] git history lost on remixed projects

[bidah]

There is a fact that whenever we use the remix feature ref: https://github.com/react-native-vibe-code/react-native-vibe-code-sdk/tree/main/packages/remix The flow for remixing works on the new user and it gets the code base with the last history as it should, but whenever a new change is done by prompting to the chat, the change happens. But the git commit does not. So in the back, we are on the sandbox and the changes to code are being made, but the commit for the last changes of that prompt in the remix code base are not being applied. fix.

[bidah]

@claude implement fix to this

[claude]

Claude finished @bidah's task in 7m 50s —— View job • claude/issue-7-20260223-1021 • Create PR ➔

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Implementing fix for git history lost on remixed projects

• Gather context and explore codebase
• Understand the request
• Identify root cause of git commits not being applied in remixed projects
• Implement fix
• Commit and push changes

Root Cause Analysis

Two bugs caused git commits to silently fail after remixing a project:

Bug 1 — Wrong git remote after sandbox-copy fallback (remix-handler.ts Option 2)

When GitHub clone fails and the fallback path copies files via tarball, the tarball includes the source project's .git directory. The git remote add origin ... || true then silently fails (origin already exists pointing to the source repo). All subsequent commitAndPush calls push to the wrong repository.

Fix: Remove .git and run a clean git init in the extract script before setting up the new remote.

Bug 2 — commitAndPush never verifies the remote URL (github-service.ts)

The commitAndPush method receives repositoryName as a parameter but never used it — it trusted whatever remote was already in the sandbox. For a remixed sandbox with an incorrect or stale remote, all pushes silently failed (the caller uses fire-and-forget so errors were never surfaced).

Fix: Add git remote set-url || git remote add with the correct authenticated URL (owner + token + repositoryName) before every commit. Also switched from git push origin main to git push origin HEAD:main to handle cases where the local branch is named master (older git defaults).

Changes Made

File	Change
packages/remix/src/api/remix-handler.ts	Extract script: rm -rf .git && git init instead of git init || true
packages/sandbox/src/lib/github-service.ts	commitAndPush: set correct remote URL before push; use HEAD:main refspec

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