[roll recipes_version.txt] checkout: Don't rebase merge commits

Detect merge commits based on how many parents they have and don't
rebase them.

Tested with led:

Original build: http://go/bbid/8824406343025130689.

$ led get-build 8824406343025130689 | led edit-recipe-bundle | led launch
https://ci.chromium.org/swarming/task/5896cb4735774d10?server=chrome-swarming.appspot.com

Original-Reviewed-on: https://pigweed-review.googlesource.com/c/infra/recipes/+/80788

https://pigweed.googlesource.com/infra/recipes
recipes_version.txt Rolled-Commits: 1749f47d513a747..7baaf47fbc745fb

GitOrigin-RevId: 4c56523b78a025e2cace9231cce50107a1e10bba
Change-Id: I57a12ae72dade93231abc26772c998056b93748f
1 file changed
tree: 24947b548283389fc3c3b70d00e69633456774b2
  1. generated/
  2. AUTHORS
  3. LICENSE
  4. README.md
  5. recipes_version.txt
README.md

Pigweed Config

This repository contains configs for Pigweed. The source of truth for these configs is the corresponding internal repository.