from __future__ import absolute_import, print_function

import os

from mercurial import (

    hg,

    scmutil,

    ui as uimod,

    util,

)

chdir = os.chdir

mkdir = os.mkdir

pjoin = os.path.join

walkrepos = scmutil.walkrepos

checklink = util.checklink

u = uimod.ui.load()

sym = checklink(b'.')

hg.repository(u, b'top1', create=1)

mkdir(b'subdir')

chdir(b'subdir')

hg.repository(u, b'sub1', create=1)

mkdir(b'subsubdir')

chdir(b'subsubdir')

hg.repository(u, b'subsub1', create=1)

chdir(os.path.pardir)

if sym:

    os.symlink(os.path.pardir, b'circle')

    os.symlink(pjoin(b'subsubdir', b'subsub1'), b'subsub1')

def runtest():

    reposet = frozenset(walkrepos(b'.', followsym=True))

    if sym and (len(reposet) != 3):

        print("reposet = %r" % (reposet,))

        print(

            (

                "Found %d repositories when I should have found 3"

                % (len(reposet),)

            )

        )

    if (not sym) and (len(reposet) != 2):

        print("reposet = %r" % (reposet,))

        print(

            (

                "Found %d repositories when I should have found 2"

                % (len(reposet),)

            )

        )

    sub1set = frozenset(

        (pjoin(b'.', b'sub1'), pjoin(b'.', b'circle', b'subdir', b'sub1'))

    )

    if len(sub1set & reposet) != 1:

        print("sub1set = %r" % (sub1set,))

        print("reposet = %r" % (reposet,))

        print("sub1set and reposet should have exactly one path in common.")

    sub2set = frozenset(

        (pjoin(b'.', b'subsub1'), pjoin(b'.', b'subsubdir', b'subsub1'))

    )

    if len(sub2set & reposet) != 1:

        print("sub2set = %r" % (sub2set,))

        print("reposet = %r" % (reposet,))

        print("sub2set and reposet should have exactly one path in common.")

    sub3 = pjoin(b'.', b'circle', b'top1')

    if sym and sub3 not in reposet:

        print("reposet = %r" % (reposet,))

        print("Symbolic links are supported and %s is not in reposet" % (sub3,))

runtest()

if sym:

    # Simulate not having symlinks.

    del os.path.samestat

    sym = False

    runtest()