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GitOrigin-RevId: 6370f6ea785709295b6abcf9c60717cacf3ac432
70 lines
3 KiB
Python
70 lines
3 KiB
Python
load("@bazel_tools//tools/build_defs/repo:git.bzl", "git_repository")
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load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
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def _jsonnet_deps_impl(ctx):
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# 1. Read the lockfile
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# We assume the lockfile is at //third_party/jsonnet/jsonnetfile.lock.json
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# relative to the module root.
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lockfile_content = ctx.read(ctx.path(Label("//third_party/jsonnet:jsonnetfile.lock.json")))
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lockfile = json.decode(lockfile_content)
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# 2. Iterate over dependencies
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for dep in lockfile.get("dependencies", []):
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source = dep.get("source", {})
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git_source = source.get("git", {})
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remote = git_source.get("remote")
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commit = dep.get("version")
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subdir = git_source.get("subdir", "")
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# Construct a unique name for the repository
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# e.g., https://github.com/grafana/jsonnet-libs.git (subdir: tanka-util) -> github_com_grafana_jsonnet_libs_tanka_util
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name_part = remote.removeprefix("https://").removeprefix("http://").removesuffix(".git")
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repo_name = name_part.replace("/", "_").replace("-", "_").replace(".", "_")
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if subdir:
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repo_name += "_" + subdir.replace("/", "_").replace("-", "_").replace(".", "_")
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subdir += "/"
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# Optional: Use http_archive for GitHub to avoid git overhead
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if "github.com" in remote:
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# https://github.com/user/repo.git -> https://github.com/user/repo/archive/<commit>.zip
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url = remote.removesuffix(".git") + "/archive/" + commit + ".zip"
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http_archive(
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name = repo_name,
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url = url,
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# We interpret "subdir" by generating a BUILD file that exposes files in that subdir.
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# Because the archive unzips to "repo-commit", we usually strip_prefix.
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# However, predicting strip_prefix is hard without knowing the repo name in the zip.
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# GitHub usually uses "repo-name-commit" or "repo-name-tag".
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# For safety in this prototype, we'll strip the first component.
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strip_prefix = remote.split("/")[-1].removesuffix(".git") + "-" + commit,
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build_file_content = """
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load("@rules_jsonnet//jsonnet:jsonnet.bzl", "jsonnet_library")
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jsonnet_library(
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name = "lib",
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srcs = glob(["{subdir}**/*.libsonnet", "{subdir}**/*.jsonnet", "{subdir}**/*.json"], allow_empty = True),
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visibility = ["//visibility:public"],
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)
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""".format(subdir = subdir)
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)
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else:
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# Fallback to git_repository for non-GitHub
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git_repository(
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name = repo_name,
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remote = remote,
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commit = commit,
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build_file_content = """
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load("@rules_jsonnet//jsonnet:jsonnet.bzl", "jsonnet_library")
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jsonnet_library(
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name = "lib",
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srcs = glob(["{subdir}**/*.libsonnet", "{subdir}**/*.jsonnet", "{subdir}**/*.json"], allow_empty = True),
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visibility = ["//visibility:public"],
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)
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""".format(subdir = subdir)
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)
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jsonnet_deps = module_extension(
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implementation = _jsonnet_deps_impl,
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)
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