view tests/test-walkrepo.py @ 39286:3c4b2e880273

log: respect graphshorten on terminal nodes (collapsing o-~ to just o~)

Internally we have a custom template that's inspired by ones that we have seen
in the community. Normally, this looks something like:

    o  0834ec17 spectral tip
    |  crecord: support x to toggle single, X to toggle a range
    o  ee932990 spectral @
    |  filemerge: allow specifying $hgeditor as merge-tools.X.executable
    @  66f04611 matt_harbison
    |  cext: fix truncation warnings in revlog on Windows
    o  42cc76d0 matt_harbison
    |  cext: fix revlog compiler error on Windows
    ~
    o  bd63ada7 stable boris
    |  phases: drop dead code in `newheads`
    ~

With graphshorten on, and the descriptions of the public nodes hidden, it looks
like this, note that the commits right before the ~ are still "full height":

    o  0834ec17 spectral tip
    |  crecord: support x to toggle single, X to toggle a range
    o  ee932990 spectral @
    |  filemerge: allow specifying $hgeditor as merge-tools.X.executable
    @  66f04611 matt_harbison
    o  42cc76d0 matt_harbison
    |
    ~
    o  bd63ada7 stable boris
    |
    ~

This patch makes them look like this, removing the | but keeping the ~:

    o  0834ec17 spectral tip
    |  crecord: support x to toggle single, X to toggle a range
    o  ee932990 spectral @
    |  filemerge: allow specifying $hgeditor as merge-tools.X.executable
    @  66f04611 matt_harbison
    o  42cc76d0 matt_harbison
    ~
    o  bd63ada7 stable boris
    ~

This originally removed the ~s entirely, but this was determined to be too much
information loss and potentially confusing. This would have looked like the
following (note that the last commit is on a different branch than all of the
ones above it, and they are *not* linearly related):

    o  0834ec17 spectral tip
    |  crecord: support x to toggle single, X to toggle a range
    o  ee932990 spectral @
    |  filemerge: allow specifying $hgeditor as merge-tools.X.executable
    @  66f04611 matt_harbison
    o  42cc76d0 matt_harbison
    o  bd63ada7 stable boris

Differential Revision: https://phab.mercurial-scm.org/D4363

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()