view mercurial/stack.py @ 51983:46afce95e5a5

tests: skip `test-wsgicgi.t` on MSYS

The test is attempting to set `PATH_INFO="/rev/\xe2\x80\x94"` into the
environment, which it does.  The problem is that when MSYS sees a leading '/' in
an environment variable, it thinks it's a unix filesystem path, so it "helpfully"
prepends the Windows path to the MSYS root directory before running a non-MSYS
process.  hgweb would then split this value on '/', so it would get 'C:' instead
of 'rev', and return a 400 since that isn't a valid web command.

I tried generating a *.bat file, but had trouble running that via `cmd.exe`
inside the test.  I also tried generating an equivalent *.py launcher that would
set the environment variables itself.  But there is no `os.environb` on Windows,
and the value was getting mangled when put into the script.  So, I give up.  If
it's encoding stuff on Windows, it's probably broken.

# stack.py - Mercurial functions for stack definition
#
#  Copyright Olivia Mackall <[e-mail]> and other
#
# This software may be used and distributed according to the terms of the
# GNU General Public License version 2 or any later version.

from __future__ import annotations


def getstack(repo, rev=None):
    """return a sorted smartrev of the stack containing either rev if it is
    not None or the current working directory parent.

    The stack will always contain all drafts changesets which are ancestors to
    the revision and are not merges.
    """
    if rev is None:
        rev = b'.'

    revspec = b'only(%s) and not public() and not ::merge()'
    revisions = repo.revs(revspec, rev)
    revisions.sort()
    return revisions