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Differential D1550

remotenames: add functions to read remotenames data from .hg/remotenames/
ClosedPublic

Authored by pulkit on Nov 29 2017, 4:58 PM.

Details

Reviewers
durin42
Group Reviewers
hg-reviewers
Commits
rHG744d1c874a59: remotenames: add functions to read remotenames data from .hg/remotenames/
Summary

This patch functions which can be used to read remotenames data from
.hg/remotenames/. The logic for the function which reads the remotenames file is
taken from the remotenames extension.

Previously reviewed as D940.

Diff Detail

Repository
rHG Mercurial
Lint
Automatic diff as part of commit; lint not applicable.
Unit
Automatic diff as part of commit; unit tests not applicable.

Event Timeline

pulkit created this revision.Nov 29 2017, 4:58 PM
pulkit updated this revision to Diff 3977.Nov 29 2017, 5:16 PM
dlax added a subscriber: dlax.Dec 1 2017, 3:23 AM
durin42 accepted this revision.Dec 5 2017, 5:17 PM
This revision is now accepted and ready to land.Dec 5 2017, 5:17 PM
Closed by commit rHG744d1c874a59: remotenames: add functions to read remotenames data from .hg/remotenames/ (authored by pulkit). · Explain WhyDec 5 2017, 5:23 PM
This revision was automatically updated to reflect the committed changes.

Revision Contents
Changeset List

PathPackages
Mmercurial/remotenames.py (40 lines)

Diff 4141

mercurial/remotenames.py

from . import ( from . import (
vfs as vfsmod, vfs as vfsmod,
) )
# directory name in .hg/ in which remotenames files will be present # directory name in .hg/ in which remotenames files will be present
remotenamedir = 'remotenames' remotenamedir = 'remotenames'
def readremotenamefile(repo, filename):
"""
reads a file from .hg/remotenames/ directory and yields it's content
filename: the file to be read
yield a tuple (node, remotepath, name)
"""
vfs = vfsmod.vfs(repo.vfs.join(remotenamedir))
if not vfs.exists(filename):
return
f = vfs(filename)
lineno = 0
for line in f:
line = line.strip()
if not line:
continue
# contains the version number
if lineno == 0:
lineno += 1
try:
node, remote, rname = line.split('\0')
yield node, remote, rname
except ValueError:
pass
f.close()
def readremotenames(repo):
"""
read the details about the remotenames stored in .hg/remotenames/ and
yields a tuple (node, remotepath, name). It does not yields information
about whether an entry yielded is branch or bookmark. To get that
information, call the respective functions.
"""
for bmentry in readremotenamefile(repo, 'bookmarks'):
yield bmentry
for branchentry in readremotenamefile(repo, 'branches'):
yield branchentry
def writeremotenamefile(repo, remotepath, names, nametype): def writeremotenamefile(repo, remotepath, names, nametype):
vfs = vfsmod.vfs(repo.vfs.join(remotenamedir)) vfs = vfsmod.vfs(repo.vfs.join(remotenamedir))
f = vfs(nametype, 'w', atomictemp=True) f = vfs(nametype, 'w', atomictemp=True)
# write the storage version info on top of file # write the storage version info on top of file
# version '0' represents the very initial version of the storage format # version '0' represents the very initial version of the storage format
f.write('0\n\n') f.write('0\n\n')
for name, node in sorted(names.iteritems()): for name, node in sorted(names.iteritems()):