| #!/usr/bin/env python |
| # -*- coding: utf-8 -*- |
| |
| ## This script has two purposes: detect any tool that *regressed*, which is used |
| ## during the week before the beta branches to reject PRs; and detect any tool |
| ## that *changed* to see if we need to update the toolstate repo. |
| |
| import sys |
| import json |
| |
| # Regressions for these tools during the beta cutoff week do not cause failure. |
| # See `status_check` in `checktools.sh` for tools that have to pass on the |
| # beta/stable branches. |
| REGRESSION_OK = ["rustc-guide", "miri", "embedded-book"] |
| |
| if __name__ == '__main__': |
| os_name = sys.argv[1] |
| toolstate_file = sys.argv[2] |
| current_state = sys.argv[3] |
| verb = sys.argv[4] # 'regressed' or 'changed' |
| |
| with open(toolstate_file, 'r') as f: |
| toolstate = json.load(f) |
| with open(current_state, 'r') as f: |
| current = json.load(f) |
| |
| regressed = False |
| for cur in current: |
| tool = cur['tool'] |
| state = cur[os_name] |
| new_state = toolstate.get(tool, '') |
| if verb == 'regressed': |
| updated = new_state < state |
| elif verb == 'changed': |
| updated = new_state != state |
| else: |
| print('Unknown verb {}'.format(updated)) |
| sys.exit(2) |
| if updated: |
| print( |
| 'The state of "{}" has {} from "{}" to "{}"' |
| .format(tool, verb, state, new_state) |
| ) |
| if not (verb == 'regressed' and tool in REGRESSION_OK): |
| regressed = True |
| |
| if regressed: |
| sys.exit(1) |
