Git Integration & Changed Files in Biome
From the Biome cheat sheet · Files & Version Control · verified Aug 2026
Git Integration & Changed Files
Read Git ignore files and define the comparison branch for focused checks.
json
{
"vcs": {
"enabled": true,
"clientKind": "git",
"useIgnoreFile": true,
"defaultBranch": "main"
}
}💡 Git integration reads .gitignore and .git/info/exclude
⚡ Use check --staged locally and ci --changed in CI
📌 vcs.root is relative to the Biome configuration file
🔍 --since can replace defaultBranch for one command
gitvcschangedgitignore
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