https://github.com/bazel-contrib/bazel-lib
Common useful functions for writing BUILD files and Starlark macros/rules
https://github.com/bazel-contrib/bazel-lib
bazel bazel-rules
Last synced: 28 days ago
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Common useful functions for writing BUILD files and Starlark macros/rules
- Host: GitHub
- URL: https://github.com/bazel-contrib/bazel-lib
- Owner: bazel-contrib
- License: apache-2.0
- Created: 2021-11-08T14:20:25.000Z (almost 4 years ago)
- Default Branch: main
- Last Pushed: 2025-03-12T18:44:03.000Z (8 months ago)
- Last Synced: 2025-03-19T22:02:51.164Z (8 months ago)
- Topics: bazel, bazel-rules
- Language: Starlark
- Homepage:
- Size: 1.76 MB
- Stars: 154
- Watchers: 6
- Forks: 98
- Open Issues: 84
-
Metadata Files:
- Readme: README.md
- Contributing: CONTRIBUTING.md
- License: LICENSE
Awesome Lists containing this project
- awesome-bazel - aspect_bazel_lib - More common useful functions for writing custom build rules with Starlark (Tooling / Starlark)
README
# Bazel helpers library
Base Starlark libraries and basic Bazel rules which are useful for constructing rulesets and BUILD files.
📚 API documentation: https://registry.bazel.build/modules/bazel_lib
## 3.0 release
This branch has code for the 3.0 release of `bazel_lib`, to https://registry.bazel.build/modules/bazel_lib
The module has been renamed from the 2.x releases which used the name "aspect_bazel_lib".
Following Aspect's donation to the Linux Foundation, the new name allows more of the community to participate without supporting one vendor.
This code is still in the `2.x` branch.
These two modules can be used in parallel during a transition. Note that `tar`, `jq` and `yq` have moved to their own modules as part of the 3.0 release.
## Relationship to bazel-skylib
This module depends on [bazel-skylib](https://github.com/bazelbuild/bazel-skylib).
In theory all these utilities could be upstreamed to bazel-skylib, but the declared scope of that project
is narrow and it no longer accepts feature requests, see https://github.com/orgs/bazelbuild/discussions/3.
It's possible that we may instead remove the dependency on bazel-skylib and entirely replace it, in an ABI-compatible sense. See https://github.com/bazel-contrib/bazel-lib/issues/927.
## Installation
Installation instructions are included on each release:
To use a commit rather than a release, you can point at any SHA of the repo.
However, this adds more "dev dependencies", as you'll have to build our helper programs
(such as `copy_to_directory`, `expand_template`) from their Go sources rather than
download pre-built binaries.
For example to use commit `abc123` in `MODULE.bazel`:
```
# Automatically picks up new Go dev dependencies
git_override(
module_name = "bazel_lib",
commit = "abc123",
remote = "git@github.com:bazel-contrib/bazel-lib.git",
)
```
Or in `WORKSPACE`:
1. Replace `url = "https://github.com/bazel-contrib/bazel-lib/releases/download/v0.1.0/bazel-lib-v0.1.0.tar.gz"`
with a GitHub-provided source archive like
`url = "https://github.com/bazel-contrib/bazel-lib/archive/abc123.tar.gz"`
1. Replace `strip_prefix = "bazel-lib-0.1.0"` with `strip_prefix = "bazel-lib-abc123"`
1. Update the `sha256`. The easiest way to do this is to comment out the line, then Bazel will
print a message with the correct value.
1. `load("@bazel_lib//:deps.bzl", "go_dependencies")` and then call `go_dependencies()`
> Note that GitHub source archives don't have a strong guarantee on the sha256 stability, see
>