New tool: Buf

[lberrymage]

Tool name

Buf

What is the tool used for?

Buf is a tool for working with Protocol Buffers. It is required for implementing Buf Schema Registry module support in Renovate as per renovatebot/renovate#24741 and Renovate's developer documentation.

Tool scope

• Runtime only (CLI / binary)
• Full development stack (headers, SDK, compiler)

Supported version range

>=1.66.1 <2.0.0

I don't see any particular reason to support versions lesser than 1.66.1 (the latest at the time of writing).

Key commands that must work

buf --version
buf dep update

Uninstall strategy

rm -f /usr/local/bin/buf

License of the tool (and any pre‑built binaries)

Apache-2.0

Minimal Dockerfile snippet (optional but highly encouraged)

FROM ubuntu:24.04

RUN apt-get update \
    && apt-get install -y curl \
    && curl -fsSL https://github.com/bufbuild/buf/releases/download/v1.66.1/buf-Linux-x86_64 \
        -o /usr/local/bin/buf \
    && chmod +x /usr/local/bin/buf

The tool is also available as a Docker image at https://hub.docker.com/r/bufbuild/buf.

Suggested tests

# Test 1 - Runtime availability
RUN buf --version

# Test 2 - Lock file update
COPY buf.yaml buf.lock .
RUN buf dep update

Any other relevant information

No response