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#!/usr/bin/env python
# ex:ts=4:sw=4:sts=4:et
# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
"""
BitBake 'Fetch' git implementation
Copyright (C) 2005 Richard Purdie
This program is free software; you can redistribute it and/or modify it under
the terms of the GNU General Public License as published by the Free Software
Foundation; either version 2 of the License, or (at your option) any later
version.
This program is distributed in the hope that it will be useful, but WITHOUT
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
this program; if not, write to the Free Software Foundation, Inc., 59 Temple
Place, Suite 330, Boston, MA 02111-1307 USA.
"""
import os, re
import bb
from bb import data
from bb.fetch import Fetch
from bb.fetch import FetchError
def prunedir(topdir):
# Delete everything reachable from the directory named in 'topdir'.
# CAUTION: This is dangerous!
for root, dirs, files in os.walk(topdir, topdown=False):
for name in files:
os.remove(os.path.join(root, name))
for name in dirs:
os.rmdir(os.path.join(root, name))
def rungitcmd(cmd,d):
bb.debug(1, "Running %s" % cmd)
# Need to export PATH as git is likely to be in metadata paths
# rather than host provided
pathcmd = 'export PATH=%s; %s' % (data.expand('${PATH}', d), cmd)
myret = os.system(pathcmd)
if myret != 0:
raise FetchError("Git: %s failed" % pathcmd)
def gettag(parm):
if 'tag' in parm:
tag = parm['tag']
else:
tag = ""
if not tag:
tag = "master"
return tag
def getprotocol(parm):
if 'protocol' in parm:
proto = parm['protocol']
else:
proto = ""
if not proto:
proto = "rsync"
return proto
def localfile(url, d):
"""Return the filename to cache the checkout in"""
(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d))
#if user sets localpath for file, use it instead.
if "localpath" in parm:
return parm["localpath"]
tag = gettag(parm)
return data.expand('git_%s%s_%s.tar.gz' % (host, path.replace('/', '.'), tag), d)
class Git(Fetch):
"""Class to fetch a module or modules from git repositories"""
def supports(url, d):
"""Check to see if a given url can be fetched with cvs.
Expects supplied url in list form, as outputted by bb.decodeurl().
"""
(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d))
return type in ['git']
supports = staticmethod(supports)
def localpath(url, d):
return os.path.join(data.getVar("DL_DIR", d, 1), localfile(url, d))
localpath = staticmethod(localpath)
def go(self, d, urls = []):
"""Fetch urls"""
if not urls:
urls = self.urls
for loc in urls:
(type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(loc, d))
tag = gettag(parm)
proto = getprotocol(parm)
gitsrcname = '%s%s' % (host, path.replace('/', '.'))
repofilename = 'git_%s.tar.gz' % (gitsrcname)
repofile = os.path.join(data.getVar("DL_DIR", d, 1), repofilename)
repodir = os.path.join(data.expand('${GITDIR}', d), gitsrcname)
coname = '%s' % (tag)
codir = os.path.join(repodir, coname)
cofile = self.localpath(loc, d)
# tag=="master" must always update
if (tag != "master") and Fetch.try_mirror(d, localfile(loc, d)):
bb.debug(1, "%s already exists (or was stashed). Skipping git checkout." % cofile)
continue
if not os.path.exists(repodir):
if Fetch.try_mirror(d, repofilename):
bb.mkdirhier(repodir)
os.chdir(repodir)
rungitcmd("tar -xzf %s" % (repofile),d)
else:
rungitcmd("git clone %s://%s%s %s" % (proto, host, path, repodir),d)
os.chdir(repodir)
rungitcmd("git pull %s://%s%s" % (proto, host, path),d)
rungitcmd("git pull --tags %s://%s%s" % (proto, host, path),d)
rungitcmd("git prune-packed", d)
# old method of downloading tags
#rungitcmd("rsync -a --verbose --stats --progress rsync://%s%s/ %s" % (host, path, os.path.join(repodir, ".git", "")),d)
os.chdir(repodir)
bb.note("Creating tarball of git repository")
rungitcmd("tar -czf %s %s" % (repofile, os.path.join(".", ".git", "*") ),d)
if os.path.exists(codir):
prunedir(codir)
bb.mkdirhier(codir)
os.chdir(repodir)
rungitcmd("git read-tree %s" % (tag),d)
rungitcmd("git checkout-index -q -f --prefix=%s -a" % (os.path.join(codir, "git", "")),d)
os.chdir(codir)
bb.note("Creating tarball of git checkout")
rungitcmd("tar -czf %s %s" % (cofile, os.path.join(".", "*") ),d)
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