Mercurial > hg
view contrib/undumprevlog @ 40057:25b2868206e2
copies: add a devel debug mode to trace what copy tracing does
Mercurial can spend a lot of time finding renames between two commits. Having
more information about that process help to understand what makes it slow in
an individual instance. (eg: many files vs 1 file, etc...)
author | Boris Feld <boris.feld@octobus.net> |
---|---|
date | Fri, 07 Sep 2018 11:16:06 -0400 |
parents | a063b84ce064 |
children | 99e231afc29c |
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#!/usr/bin/env python # Undump a dump from dumprevlog # $ hg init # $ undumprevlog < repo.dump from __future__ import absolute_import, print_function import sys from mercurial import ( encoding, node, pycompat, revlog, transaction, vfs as vfsmod, ) from mercurial.utils import ( procutil, ) for fp in (sys.stdin, sys.stdout, sys.stderr): procutil.setbinary(fp) opener = vfsmod.vfs(b'.', False) tr = transaction.transaction(sys.stderr.write, opener, {b'store': opener}, b"undump.journal") while True: l = sys.stdin.readline() if not l: break if l.startswith("file:"): f = encoding.strtolocal(l[6:-1]) r = revlog.revlog(opener, f) pycompat.stdout.write(b'%s\n' % f) elif l.startswith("node:"): n = node.bin(l[6:-1]) elif l.startswith("linkrev:"): lr = int(l[9:-1]) elif l.startswith("parents:"): p = l[9:-1].split() p1 = node.bin(p[0]) p2 = node.bin(p[1]) elif l.startswith("length:"): length = int(l[8:-1]) sys.stdin.readline() # start marker d = encoding.strtolocal(sys.stdin.read(length)) sys.stdin.readline() # end marker r.addrevision(d, tr, lr, p1, p2) tr.close()