revlog: make triple-quoted string a real comment

posix: do not use fstat in isowner The fstat function was undefined, but never used since a stat object was always passed in the optional st argument. Passing st is now mandatory. This bug crept in when util was split up into posix and windows modules. The fstat function is still defined in util, but importing it into posix would create an import cycle which seems unnecessary.

removed unused imports

Move alias into core

mq: rename setheader to updateheader and fix comment

mq: initializing patchheader class directly from patch content The patch header needs only be read in order to instantiate the class, and as such it makes more sense to do it within the class.

Merge with mpm

run-tests: clarify timeout log message.

revlog: refactor chunk cache interface again - chunk to _chunk - _prime to _chunkraw - _chunkclear for cache clearing - _chunk calls _chunkraw - clean up _prime a bit - simplify users in revision and checkinlinesize - drop file descriptor passing (we're better off opening fds lazily

clone: fall back to pull source repo cannot be locked, 937ee88da3ef was a noop 937ee88da3ef was a noop, it was missing the wait keyword