comparison mercurial/revset.py @ 16174:0a73c4bd9f47

graphlog: implement --follow-first

log --graph --follow-first FILE cannot be compared with the regular version
because it never worked: --follow-first is not taken in account in
walkchangerevs() fast path and is explicitely bypassed in FILE case in
walkchangerevs() nested iterate() function.

16173:9178d284b880

        s = set(repo.changelog.ancestors(c.rev()))
        s.add(c.rev())

    return [r for r in subset if r in s]

def getall(repo, subset, x):
    """``all()``
    All changesets, the same as ``0:tip``.
    """
    # i18n: "all" is a keyword

    "draft": draft,
    "file": hasfile,
    "filelog": filelog,
    "first": first,
    "follow": follow,
    "grep": grep,
    "head": head,
    "heads": heads,
    "id": node,
    "keyword": keyword,

16174:0a73c4bd9f47

        s = set(repo.changelog.ancestors(c.rev()))
        s.add(c.rev())

    return [r for r in subset if r in s]

def _followfirst(repo, subset, x):
    # ``followfirst([file])``
    # Like ``follow([file])`` but follows only the first parent of
    # every revision or file revision.
    # i18n: "_followfirst" is a keyword
    l = getargs(x, 0, 1, _("_followfirst takes no arguments or a filename"))
    c = repo['.']
    if l:
        x = getstring(l[0], _("_followfirst expected a filename"))
        if x not in c:
            return []
        cx = c[x]
        visit = {}
        s = set([cx.linkrev()])
        while True:
            for p in cx.parents()[:1]:
                visit[(p.rev(), p.node())] = p
            if not visit:
                break
            cx = visit.pop(max(visit))
            s.add(cx.rev())
    else:
        cl = repo.changelog
        s = set()
        visit = [c.rev()]
        while visit:
            for prev in cl.parentrevs(visit.pop(0))[:1]:
                if prev not in s and prev != nodemod.nullrev:
                    visit.append(prev)
                    s.add(prev)
        s.add(c.rev())

    return [r for r in subset if r in s]

def getall(repo, subset, x):
    """``all()``
    All changesets, the same as ``0:tip``.
    """
    # i18n: "all" is a keyword

    "draft": draft,
    "file": hasfile,
    "filelog": filelog,
    "first": first,
    "follow": follow,
    "_followfirst": _followfirst,
    "grep": grep,
    "head": head,
    "heads": heads,
    "id": node,
    "keyword": keyword,