forked from mirrors/nixpkgs
55 lines
1.8 KiB
Python
55 lines
1.8 KiB
Python
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#!/usr/bin/env python3
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import sys
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import json
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if len(sys.argv) != 2:
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print("usage: ./this-script src-deps.json < WORKSPACE", file=sys.stderr)
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print("Takes the bazel WORKSPACE file and reads all archives into a json dict (by evaling it as python code)", file=sys.stderr)
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print("Hail Eris.", file=sys.stderr)
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sys.exit(1)
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http_archives = []
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# just the kw args are the dict { name, sha256, urls … }
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def http_archive(**kw):
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http_archives.append(kw)
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# like http_file
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def http_file(**kw):
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http_archives.append(kw)
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# this is inverted from http_archive/http_file and bundles multiple archives
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def distdir_tar(**kw):
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for archive_name in kw['archives']:
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http_archives.append({
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"name": archive_name,
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"sha256": kw['sha256'][archive_name],
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"urls": kw['urls'][archive_name]
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})
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# TODO?
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def git_repository(**kw):
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print(json.dumps(kw, sort_keys=True, indent=4), file=sys.stderr)
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sys.exit(1)
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# execute the WORKSPACE like it was python code in this module,
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# using all the function stubs from above.
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exec(sys.stdin.read())
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# transform to a dict with the names as keys
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d = { el['name']: el for el in http_archives }
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def has_urls(el):
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return ('url' in el and el['url']) or ('urls' in el and el['urls'])
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def has_sha256(el):
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return 'sha256' in el and el['sha256']
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bad_archives = list(filter(lambda el: not has_urls(el) or not has_sha256(el), d.values()))
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if bad_archives:
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print('Following bazel dependencies are missing url or sha256', file=sys.stderr)
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print('Check bazel sources for master or non-checksummed dependencies', file=sys.stderr)
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for el in bad_archives:
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print(json.dumps(el, sort_keys=True, indent=4), file=sys.stderr)
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sys.exit(1)
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with open(sys.argv[1], "w") as f:
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print(json.dumps(d, sort_keys=True, indent=4), file=f)
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