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25 lines
977 B
25 lines
977 B
6 years ago
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load("@bazel_tools//tools/build_defs/repo:http.bzl", "http_archive")
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def envoy_http_archive(name, locations, **kwargs):
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# `existing_rule_keys` contains the names of repositories that have already
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# been defined in the Bazel workspace. By skipping repos with existing keys,
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# users can override dependency versions by using standard Bazel repository
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# rules in their WORKSPACE files.
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existing_rule_keys = native.existing_rules().keys()
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if name in existing_rule_keys:
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# This repository has already been defined, probably because the user
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# wants to override the version. Do nothing.
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return
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loc_key = kwargs.pop("repository_key", name)
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location = locations[loc_key]
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# HTTP tarball at a given URL. Add a BUILD file if requested.
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http_archive(
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name = name,
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urls = location["urls"],
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sha256 = location["sha256"],
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strip_prefix = location.get("strip_prefix", ""),
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**kwargs
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)
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