Mercurial > public > mercurial-scm > hg
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.
| author | Patrick Mezard <patrick@mezard.eu> |
|---|---|
| date | Sat, 25 Feb 2012 22:11:36 +0100 |
| parents | 5a627b49b4d9 |
| children | 1fd352aa08fc |
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| 16173:9178d284b880 | 16174:0a73c4bd9f47 |
|---|---|
| 463 s = set(repo.changelog.ancestors(c.rev())) | 463 s = set(repo.changelog.ancestors(c.rev())) |
| 464 s.add(c.rev()) | 464 s.add(c.rev()) |
| 465 | 465 |
| 466 return [r for r in subset if r in s] | 466 return [r for r in subset if r in s] |
| 467 | 467 |
| 468 def _followfirst(repo, subset, x): | |
| 469 # ``followfirst([file])`` | |
| 470 # Like ``follow([file])`` but follows only the first parent of | |
| 471 # every revision or file revision. | |
| 472 # i18n: "_followfirst" is a keyword | |
| 473 l = getargs(x, 0, 1, _("_followfirst takes no arguments or a filename")) | |
| 474 c = repo['.'] | |
| 475 if l: | |
| 476 x = getstring(l[0], _("_followfirst expected a filename")) | |
| 477 if x not in c: | |
| 478 return [] | |
| 479 cx = c[x] | |
| 480 visit = {} | |
| 481 s = set([cx.linkrev()]) | |
| 482 while True: | |
| 483 for p in cx.parents()[:1]: | |
| 484 visit[(p.rev(), p.node())] = p | |
| 485 if not visit: | |
| 486 break | |
| 487 cx = visit.pop(max(visit)) | |
| 488 s.add(cx.rev()) | |
| 489 else: | |
| 490 cl = repo.changelog | |
| 491 s = set() | |
| 492 visit = [c.rev()] | |
| 493 while visit: | |
| 494 for prev in cl.parentrevs(visit.pop(0))[:1]: | |
| 495 if prev not in s and prev != nodemod.nullrev: | |
| 496 visit.append(prev) | |
| 497 s.add(prev) | |
| 498 s.add(c.rev()) | |
| 499 | |
| 500 return [r for r in subset if r in s] | |
| 501 | |
| 468 def getall(repo, subset, x): | 502 def getall(repo, subset, x): |
| 469 """``all()`` | 503 """``all()`` |
| 470 All changesets, the same as ``0:tip``. | 504 All changesets, the same as ``0:tip``. |
| 471 """ | 505 """ |
| 472 # i18n: "all" is a keyword | 506 # i18n: "all" is a keyword |
| 963 "draft": draft, | 997 "draft": draft, |
| 964 "file": hasfile, | 998 "file": hasfile, |
| 965 "filelog": filelog, | 999 "filelog": filelog, |
| 966 "first": first, | 1000 "first": first, |
| 967 "follow": follow, | 1001 "follow": follow, |
| 1002 "_followfirst": _followfirst, | |
| 968 "grep": grep, | 1003 "grep": grep, |
| 969 "head": head, | 1004 "head": head, |
| 970 "heads": heads, | 1005 "heads": heads, |
| 971 "id": node, | 1006 "id": node, |
| 972 "keyword": keyword, | 1007 "keyword": keyword, |