Make filectx lazier - some users never use filenode

context: handle fileid or changeid == 0

merge with crew

mq: Add --rev argument to qimport, to adopt existing changesets.

manifest.py: remove unnecessary method

Switch revlog.ancestor to use revisions rather than nodeids

mpatch: Fix for malloc corner case on AIX

Merge with crew

tests: add new test; test-mq-qrefresh

Abstract ancestor algorithm into generic function Make depth calculation non-recursive Add simple shortcut for linear ancestry Convert context to use ancestor function make memoized parents function Convert revlog to use ancestor function

Merge with crew

qimport: rename patch to patchname to avoid shadowing module

Move defaultrev into changectx This also causes tag on a repository with no working directory to default to tip.

fix warnings spotted by pychecker

hgweb: fix errors spotted by pychecker

extdiff: use the default option only if the default program is used

Merge with mainline

Update [extdiff] configuration sample for vimdiff, taking acount cmd.xxx and opts.xxx configurations item.

filectx: add rename-aware ancestor algorithm This code works but may trigger recursion depth issues

changectx: add ancestor function

filectx: allow passing filelog in init to avoid opening new filelogs

filelog: make metadata method private

filectx: add rename traversal for parents()

merge: simplify actions with helper function

merge: simplify local created logic

merge: simplify prompt code

merge: simplify exec flag handling

merge: simplify tests for local changed/remote deleted

merge: more simplification of m2 manifest scanning

merge: reorder tests on m2 items in manifestmerge

merge: eliminate redundant security check duplicated in applyupdates

merge: eliminate confusing queued variable

merge: remove no longer possible clause

merge: move apply and dirstate code into separate functions

merge: remove linear variable

merge: simplify hook code

merge: linear_path -> linear

merge: pull manifest checks and updates into separate functions

merge: remove now unused umap dict

merge: pull manifest comparison out into separate function

Merge with mainline

merge: move set_exec to actions

merge: add forget to action list

merge: add codes to action list, eliminate None elements

merge: convert actions to list

Merge with backout

Back out trusted hgrc change for now Backed out changeset 494521a3f1425

Merge with crew

Add support for diffstat in commit emails, and move diffstat from patchbomb to patch

cat: default to working dir parent instead of tip This introduces a defaultrev function that chooses the working dir parent if a revision isn't specified, and uses it in several places.

merge with brendan

hgk: add --limit, and revranges

hgk: add revision numbers

mq: handle patch names containing ":"

Move revision parsing into cmdutil.

Avoid negative block sizes in lazyparser. This fixes a bug introduced by changeset baa3873eb387 .