tests/test-revlog-ancestry.py

subrepo: be more careful with deletions of .hgsub and .hgsubstate (issue2844)

We shouldn't try to process subrepos if .hgsub isn't present and we
should remove .hgsubstate if .hgsub is marked for removal.

import os
from mercurial import hg, ui, merge

u = ui.ui()

repo = hg.repository(u, 'test1', create=1)
os.chdir('test1')

def commit(text, time):
    repo.commit(text=text, date="%d 0" % time)

def addcommit(name, time):
    f = open(name, 'w')
    f.write('%s\n' % name)
    f.close()
    repo[None].add([name])
    commit(name, time)

def update(rev):
    merge.update(repo, rev, False, True, False)

def merge_(rev):
    merge.update(repo, rev, True, False, False)

if __name__ == '__main__':
    addcommit("A", 0)
    addcommit("B", 1)

    update(0)
    addcommit("C", 2)

    merge_(1)
    commit("D", 3)

    update(2)
    addcommit("E", 4)
    addcommit("F", 5)

    update(3)
    addcommit("G", 6)

    merge_(5)
    commit("H", 7)

    update(5)
    addcommit("I", 8)

    # Ancestors
    print 'Ancestors of 5'
    for r in repo.changelog.ancestors(5):
        print r,

    print '\nAncestors of 6 and 5'
    for r in repo.changelog.ancestors(6, 5):
        print r,

    print '\nAncestors of 5 and 4'
    for r in repo.changelog.ancestors(5, 4):
        print r,

    # Descendants
    print '\n\nDescendants of 5'
    for r in repo.changelog.descendants(5):
        print r,

    print '\nDescendants of 5 and 3'
    for r in repo.changelog.descendants(5, 3):
        print r,

    print '\nDescendants of 5 and 4'
    for r in repo.changelog.descendants(5, 4):
        print r,