README: adjust env requirements for sandbox-less builds
Since we can now build without sandboxroot, we no longer need user
namespaces to build. Also add git and python3 to the requirements list,
but these are not new, they were already required before but just not
documented.
Change-Id: I516ecfa601587295a61f7a6c5464ff8b3018a99e
Reviewed-on: https://review.monogon.dev/c/monogon/+/4456
Reviewed-by: Tim Windelschmidt <tim@monogon.tech>
Tested-by: Jenkins CI
diff --git a/README.md b/README.md
index 38324c7..92e20c7 100644
--- a/README.md
+++ b/README.md
@@ -10,7 +10,9 @@
- A Linux machine or VM.
- [Bazelisk](https://github.com/bazelbuild/bazelisk) >= v1.15.0 (or a working Nix environment).
-- A reasonably recent kernel with user namespaces enabled.
+- `git` to check out modules.
+- `python3` to generate the workspace status to stamp.
+- A reasonably recent kernel, user namespaces are recommended for performance reasons.
- Working KVM with access to `/dev/kvm` (if you want to run tests).
Our docs assume that Bazelisk is available as `bazel` on your PATH.