ovr

Deep-merge TOML, JSON, and YAML config Layers. Later Layers override earlier ones.

ovr base.toml dev.toml local.yaml
ovr base.toml dev.toml local.yaml -o out.toml
ovr explain

Merge rules, tombstones, type conflicts, and CLI format resolution are the tested contract printed by ovr explain (source: merge/explain.md).

Install

go install github.com/y-cg/ovr/cmd/ovr@latest

Or with Nix:

nix run github:y-cg/ovr

Usage

ovr explain
ovr [--output-format FORMAT] [-o FILE] [--array-append] <files>...

Flag	Default	Description
--output-format / -f	-o extension, else first Layer	toml, json, or yaml. Errors if it disagrees with a known -o extension.
-o	stdout	Write to a file. A known extension sets format when -f is omitted.
--array-append	off	Concatenate arrays instead of replacing them.

Full contract: ovr explain.