cache repository rules

The following functions can be loaded from @bazel_tools//tools/build_defs/repo:cache.bzl.

Returns the default canonical id to use for downloads.

get_default_canonical_id

load("@bazel//tools/build_defs/repo:cache.bzl", "get_default_canonical_id")

get_default_canonical_id(repository_ctx, urls)

Returns the default canonical id to use for downloads.

Returns "" (empty string) when Bazel is run with --repo_env=BAZEL_HTTP_RULES_URLS_AS_DEFAULT_CANONICAL_ID=0.

e.g. ```python load("@bazel_tools//tools/build_defs/repo:cache.bzl", "get_default_canonical_id")

...

repository_ctx.download_and_extract(
    url = urls,
    integrity = integrity
    canonical_id = get_default_canonical_id(repository_ctx, urls),
),


### Parameters

<table class="params-t>a<ble">;<
colgroup
col class=&qu>o<t;col-param" /
col class>=<"col>-<descr>i<ption" /
/colgroup
tbody
tr id="get_d>e<fa><ult_>canonical_id-r<eposi><tor>y<_c>tx"
tdco<d>erepository_ctx/code/td
td

required.

p

The repository context of the reposito<ry> <rul>e< ca>l<ling this utility
function.

/p
/td
/>t<r<>/span>
<tr i>d=&q<uot;g><et_>d<ef>ault_canonica<l>_id-urls"
tdcodeurls/code/td
td

required.

p

A list of URLs matching what is passed to `repository_ctx.down<lo>a<d` >a<nd<>/span>
`<reposi>t<ory_ct>x.download_and_extract`.

/p
/td
/tr
/tbody
/table