view tests/heredoctest.py @ 48247:c62e4397eb28

copy: recommend `--at-rev .` if target was added in parent commit

If the target file was added in the working copy parent, it's much
more likely that the user meant to use `--at-rev .` (to record the
copy/rename in the that commit) than `--force` (to replace the
just-added file by another file).

Differential Revision: https://phab.mercurial-scm.org/D11667

from __future__ import absolute_import, print_function

import sys


def flush():
    sys.stdout.flush()
    sys.stderr.flush()


globalvars = {}
lines = sys.stdin.readlines()
while lines:
    l = lines.pop(0)
    if l.startswith('SALT'):
        print(l[:-1])
    elif l.startswith('>>> '):
        snippet = l[4:]
        while lines and lines[0].startswith('... '):
            l = lines.pop(0)
            snippet += l[4:]
        c = compile(snippet, '<heredoc>', 'single')
        try:
            flush()
            exec(c, globalvars)
            flush()
        except Exception as inst:
            flush()
            print(repr(inst))