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Updating the rust-vmm-ci

All rust-vmm components are tested using the rust-vmm-ci submodule. For repositories that have Dependabot enabled, PRs for updating rust-vmm-ci will be opened automatically every week in case of changes. The repository maintainers (or the gatekeepers in case the repository does not have active maintainers) are responsible for reviewing the PRs that update rust-vmm-ci, and fix or find owners for any problems that arise from the update.

Manual Update of rust-vmm-ci

In case the automatic update via Dependabot is not working or you want to get the update in before the automatic schedule, you can follow the next steps to manually update it.

The following commands must run starting from the local directory that corresponds to the git repository where the submodule needs to be updated.

  1. Make sure the rust-vmm-ci submodule is initialized locally:
git submodule update --init --recursive
  1. Get the commit sha of the current commit.
cd rust-vmm-ci
OLD_COMMIT=`git rev-parse HEAD`
  1. Update rust-vmm-ci to the latest commit on main:
git pull https://github.com/rust-vmm/rust-vmm-ci/ main
  1. Get the pretty print of commits (this helps us keep track of updates):
git log --abbrev-commit --pretty=oneline ${OLD_COMMIT}..HEAD
  1. Add the submodule update to a new commit:
# Change the directory to the root directory of the repo
cd ..
git add rust-vmm-ci
git commit -s

For the commit message use the text from step 4, but remove any branch information that it might contain. The text should only have a list of sha1 and a short description.

Example of commit message update:

commit 6c984917be09327cfbe4c72b92825dbed3477c81 (HEAD -> update_rust_vmm_ci)
Author: Andreea Florescu <[email protected]>
Date:   Tue Aug 11 12:00:59 2020 +0200

    updated rust-vmm-ci
    
    0fc8ced refactor test_benchmark.py
    741b894 checkout to PR branch before finishing test_bench
    645a5c3 test_bench: don't crash when no bench on master
    bd32544 Fetch origin in benchmark test
    35beb91 Fix commit message test
    53427aa benchmarks: add test that can run at every PR
    abd2c90 Add test for commit message format
    fe859f4 Update container image to v6
    75d7254 run cargo check on all features
    
    Signed-off-by: Andreea Florescu <[email protected]>