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| 1 | +#!/usr/bin/env python |
| 2 | +# -*- coding: utf-8 -*- |
| 3 | + |
| 4 | +# Copyright 2017 The Rust Project Developers. See the COPYRIGHT |
| 5 | +# file at the top-level directory of this distribution and at |
| 6 | +# http://rust-lang.org/COPYRIGHT. |
| 7 | +# |
| 8 | +# Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or |
| 9 | +# http://www.apache.org/licenses/LICENSE-2.0> or the MIT license |
| 10 | +# <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your |
| 11 | +# option. This file may not be copied, modified, or distributed |
| 12 | +# except according to those terms. |
| 13 | + |
| 14 | +import sys |
| 15 | +import re |
| 16 | +import json |
| 17 | +import copy |
| 18 | +import datetime |
| 19 | +import collections |
| 20 | + |
| 21 | +# List of people to ping when the status of a tool changed. |
| 22 | +MAINTAINERS = { |
| 23 | + 'miri': '@oli-obk @RalfJung @eddyb', |
| 24 | + 'clippy-driver': '@Manishearth @llogiq @mcarton @oli-obk', |
| 25 | + 'rls': '@nrc', |
| 26 | + 'rustfmt': '@nrc', |
| 27 | +} |
| 28 | + |
| 29 | + |
| 30 | +def read_current_status(current_commit, path): |
| 31 | + '''Reads build status of `current_commit` from content of `history/*.tsv` |
| 32 | + ''' |
| 33 | + with open(path, 'rU') as f: |
| 34 | + for line in f: |
| 35 | + (commit, status) = line.split('\t', 1) |
| 36 | + if commit == current_commit: |
| 37 | + return json.loads(status) |
| 38 | + return {} |
| 39 | + |
| 40 | + |
| 41 | +def update_latest(current_commit, relevant_pr_number, current_datetime): |
| 42 | + '''Updates `_data/latest.json` to match build result of the given commit. |
| 43 | + ''' |
| 44 | + with open('_data/latest.json', 'rb+') as f: |
| 45 | + latest = json.load(f, object_pairs_hook=collections.OrderedDict) |
| 46 | + |
| 47 | + current_status = { |
| 48 | + os: read_current_status(current_commit, 'history/' + os + '.tsv') |
| 49 | + for os in ['windows', 'linux'] |
| 50 | + } |
| 51 | + |
| 52 | + slug = 'rust-lang/rust' |
| 53 | + message = '📣 Toolstate changed by {}!\n\nTested on commit {}@{}.\n\n' \ |
| 54 | + .format(relevant_pr_number, slug, current_commit) |
| 55 | + anything_changed = False |
| 56 | + for status in latest: |
| 57 | + tool = status['tool'] |
| 58 | + changed = False |
| 59 | + |
| 60 | + for os, s in current_status.items(): |
| 61 | + old = status[os] |
| 62 | + new = s.get(tool, old) |
| 63 | + status[os] = new |
| 64 | + if new > old: |
| 65 | + changed = True |
| 66 | + message += '🎉 {} on {}: {} → {}.\n' \ |
| 67 | + .format(tool, os, old, new) |
| 68 | + elif new < old: |
| 69 | + changed = True |
| 70 | + message += '💔 {} on {}: {} → {} (cc {}).\n' \ |
| 71 | + .format(tool, os, old, new, MAINTAINERS[tool]) |
| 72 | + |
| 73 | + if changed: |
| 74 | + status['commit'] = current_commit |
| 75 | + status['datetime'] = current_datetime |
| 76 | + anything_changed = True |
| 77 | + |
| 78 | + if not anything_changed: |
| 79 | + return '' |
| 80 | + |
| 81 | + f.seek(0) |
| 82 | + f.truncate(0) |
| 83 | + json.dump(latest, f, indent=4, separators=(',', ': ')) |
| 84 | + return message |
| 85 | + |
| 86 | + |
| 87 | +if __name__ == '__main__': |
| 88 | + cur_commit = sys.argv[1] |
| 89 | + cur_datetime = datetime.datetime.utcnow().strftime('%Y-%m-%dT%H:%M:%SZ') |
| 90 | + cur_commit_msg = sys.argv[2] |
| 91 | + save_message_to_path = sys.argv[3] |
| 92 | + |
| 93 | + relevant_pr_match = re.search('#[0-9]+', cur_commit_msg) |
| 94 | + if relevant_pr_match: |
| 95 | + relevant_pr_number = 'rust-lang/rust' + relevant_pr_match.group(0) |
| 96 | + else: |
| 97 | + relevant_pr_number = '<unknown PR>' |
| 98 | + |
| 99 | + message = update_latest(cur_commit, relevant_pr_number, cur_datetime) |
| 100 | + if message: |
| 101 | + print(message) |
| 102 | + with open(save_message_to_path, 'w') as f: |
| 103 | + f.write(message) |
| 104 | + else: |
| 105 | + print('<Nothing changed>') |
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