Add bitbake-dev to allow ease of testing and development of bitbake trunk

git-svn-id: https://svn.o-hand.com/repos/poky/trunk@5337 311d38ba-8fff-0310-9ca6-ca027cbcb966

11 files changed, 1994 insertions, 0 deletions

diff --git a/bitbake-dev/lib/bb/fetch/__init__.py b/bitbake-dev/lib/bb/fetch/__init__.py
new file mode 100644
index 0000000000..c3bea447c1
--- /dev/null
+++ b/bitbake-dev/lib/bb/fetch/__init__.py
@@ -0,0 +1,556 @@
+# ex:ts=4:sw=4:sts=4:et
+# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+"""
+BitBake 'Fetch' implementations
+
+Classes for obtaining upstream sources for the
+BitBake build tools.
+"""
+
+# Copyright (C) 2003, 2004  Chris Larson
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# 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.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Based on functions from the base bb module, Copyright 2003 Holger Schurig
+
+import os, re, fcntl
+import bb
+from   bb import data
+from   bb import persist_data
+
+try:
+    import cPickle as pickle
+except ImportError:
+    import pickle
+
+class FetchError(Exception):
+    """Exception raised when a download fails"""
+
+class NoMethodError(Exception):
+    """Exception raised when there is no method to obtain a supplied url or set of urls"""
+
+class MissingParameterError(Exception):
+    """Exception raised when a fetch method is missing a critical parameter in the url"""
+
+class ParameterError(Exception):
+    """Exception raised when a url cannot be proccessed due to invalid parameters."""
+
+class MD5SumError(Exception):
+    """Exception raised when a MD5SUM of a file does not match the expected one"""
+
+def uri_replace(uri, uri_find, uri_replace, d):
+#   bb.msg.note(1, bb.msg.domain.Fetcher, "uri_replace: operating on %s" % uri)
+    if not uri or not uri_find or not uri_replace:
+        bb.msg.debug(1, bb.msg.domain.Fetcher, "uri_replace: passed an undefined value, not replacing")
+    uri_decoded = list(bb.decodeurl(uri))
+    uri_find_decoded = list(bb.decodeurl(uri_find))
+    uri_replace_decoded = list(bb.decodeurl(uri_replace))
+    result_decoded = ['','','','','',{}]
+    for i in uri_find_decoded:
+        loc = uri_find_decoded.index(i)
+        result_decoded[loc] = uri_decoded[loc]
+        import types
+        if type(i) == types.StringType:
+            import re
+            if (re.match(i, uri_decoded[loc])):
+                result_decoded[loc] = re.sub(i, uri_replace_decoded[loc], uri_decoded[loc])
+                if uri_find_decoded.index(i) == 2:
+                    if d:
+                        localfn = bb.fetch.localpath(uri, d)
+                        if localfn:
+                            result_decoded[loc] = os.path.dirname(result_decoded[loc]) + "/" + os.path.basename(bb.fetch.localpath(uri, d))
+#                       bb.msg.note(1, bb.msg.domain.Fetcher, "uri_replace: matching %s against %s and replacing with %s" % (i, uri_decoded[loc], uri_replace_decoded[loc]))
+            else:
+#               bb.msg.note(1, bb.msg.domain.Fetcher, "uri_replace: no match")
+                return uri
+#           else:
+#               for j in i.keys():
+#                   FIXME: apply replacements against options
+    return bb.encodeurl(result_decoded)
+
+methods = []
+urldata_cache = {}
+
+def fetcher_init(d):
+    """
+    Called to initilize the fetchers once the configuration data is known
+    Calls before this must not hit the cache.
+    """
+    pd = persist_data.PersistData(d)
+    # When to drop SCM head revisions controled by user policy
+    srcrev_policy = bb.data.getVar('BB_SRCREV_POLICY', d, 1) or "clear"
+    if srcrev_policy == "cache":
+        bb.msg.debug(1, bb.msg.domain.Fetcher, "Keeping SRCREV cache due to cache policy of: %s" % srcrev_policy)
+    elif srcrev_policy == "clear":
+        bb.msg.debug(1, bb.msg.domain.Fetcher, "Clearing SRCREV cache due to cache policy of: %s" % srcrev_policy)
+        pd.delDomain("BB_URI_HEADREVS")
+    else:
+        bb.msg.fatal(bb.msg.domain.Fetcher, "Invalid SRCREV cache policy of: %s" % srcrev_policy)
+    # Make sure our domains exist
+    pd.addDomain("BB_URI_HEADREVS")
+    pd.addDomain("BB_URI_LOCALCOUNT")
+
+# Function call order is usually:
+#   1. init
+#   2. go
+#   3. localpaths
+# localpath can be called at any time
+
+def init(urls, d, setup = True):
+    urldata = {}
+    fn = bb.data.getVar('FILE', d, 1)
+    if fn in urldata_cache:
+        urldata = urldata_cache[fn]
+
+    for url in urls:
+        if url not in urldata:
+            urldata[url] = FetchData(url, d)
+
+    if setup:
+        for url in urldata:
+            if not urldata[url].setup:
+                urldata[url].setup_localpath(d) 
+
+    urldata_cache[fn] = urldata
+    return urldata
+
+def go(d):
+    """
+    Fetch all urls
+    init must have previously been called
+    """
+    urldata = init([], d, True)
+
+    for u in urldata:
+        ud = urldata[u]
+        m = ud.method
+        if ud.localfile:
+            if not m.forcefetch(u, ud, d) and os.path.exists(ud.md5):
+                # File already present along with md5 stamp file
+                # Touch md5 file to show activity
+                try:
+                    os.utime(ud.md5, None)
+                except:
+                    # Errors aren't fatal here
+                    pass
+                continue
+            lf = bb.utils.lockfile(ud.lockfile)
+            if not m.forcefetch(u, ud, d) and os.path.exists(ud.md5):
+                # If someone else fetched this before we got the lock, 
+                # notice and don't try again
+                try:
+                    os.utime(ud.md5, None)
+                except:
+                    # Errors aren't fatal here
+                    pass
+                bb.utils.unlockfile(lf)
+                continue
+        m.go(u, ud, d)
+        if ud.localfile:
+            if not m.forcefetch(u, ud, d):
+                Fetch.write_md5sum(u, ud, d)
+            bb.utils.unlockfile(lf)
+
+
+def checkstatus(d):
+    """
+    Check all urls exist upstream
+    init must have previously been called
+    """
+    urldata = init([], d, True)
+
+    for u in urldata:
+        ud = urldata[u]
+        m = ud.method
+        bb.msg.note(1, bb.msg.domain.Fetcher, "Testing URL %s" % u)
+        ret = m.checkstatus(u, ud, d)
+        if not ret:
+            bb.msg.fatal(bb.msg.domain.Fetcher, "URL %s doesn't work" % u)
+
+def localpaths(d):
+    """
+    Return a list of the local filenames, assuming successful fetch
+    """
+    local = []
+    urldata = init([], d, True)
+
+    for u in urldata:
+        ud = urldata[u]      
+        local.append(ud.localpath)
+
+    return local
+
+srcrev_internal_call = False
+
+def get_srcrev(d):
+    """
+    Return the version string for the current package
+    (usually to be used as PV)
+    Most packages usually only have one SCM so we just pass on the call.
+    In the multi SCM case, we build a value based on SRCREV_FORMAT which must 
+    have been set.
+    """
+
+    #
+    # Ugly code alert. localpath in the fetchers will try to evaluate SRCREV which 
+    # could translate into a call to here. If it does, we need to catch this
+    # and provide some way so it knows get_srcrev is active instead of being
+    # some number etc. hence the srcrev_internal_call tracking and the magic  
+    # "SRCREVINACTION" return value.
+    #
+    # Neater solutions welcome!
+    #
+    if bb.fetch.srcrev_internal_call:
+        return "SRCREVINACTION"
+
+    scms = []
+
+    # Only call setup_localpath on URIs which suppports_srcrev() 
+    urldata = init(bb.data.getVar('SRC_URI', d, 1).split(), d, False)
+    for u in urldata:
+        ud = urldata[u]
+        if ud.method.suppports_srcrev():
+            if not ud.setup:
+                ud.setup_localpath(d)
+            scms.append(u)
+
+    if len(scms) == 0:
+        bb.msg.error(bb.msg.domain.Fetcher, "SRCREV was used yet no valid SCM was found in SRC_URI")
+        raise ParameterError
+
+    if len(scms) == 1:
+        return urldata[scms[0]].method.sortable_revision(scms[0], urldata[scms[0]], d)
+
+    #
+    # Mutiple SCMs are in SRC_URI so we resort to SRCREV_FORMAT
+    #
+    format = bb.data.getVar('SRCREV_FORMAT', d, 1)
+    if not format:
+        bb.msg.error(bb.msg.domain.Fetcher, "The SRCREV_FORMAT variable must be set when multiple SCMs are used.")
+        raise ParameterError
+
+    for scm in scms:
+        if 'name' in urldata[scm].parm:
+            name = urldata[scm].parm["name"]
+            rev = urldata[scm].method.sortable_revision(scm, urldata[scm], d)
+            format = format.replace(name, rev)
+
+    return format
+
+def localpath(url, d, cache = True):
+    """
+    Called from the parser with cache=False since the cache isn't ready 
+    at this point. Also called from classed in OE e.g. patch.bbclass
+    """
+    ud = init([url], d)
+    if ud[url].method:
+        return ud[url].localpath
+    return url
+
+def runfetchcmd(cmd, d, quiet = False):
+    """
+    Run cmd returning the command output
+    Raise an error if interrupted or cmd fails
+    Optionally echo command output to stdout
+    """
+
+    # Need to export PATH as binary could be in metadata paths
+    # rather than host provided
+    # Also include some other variables.
+    # FIXME: Should really include all export varaiables?
+    exportvars = ['PATH', 'GIT_PROXY_HOST', 'GIT_PROXY_PORT', 'GIT_PROXY_COMMAND']
+
+    for var in exportvars:
+        val = data.getVar(var, d, True)
+        if val:
+            cmd = 'export ' + var + '=%s; %s' % (val, cmd)
+
+    bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % cmd)
+
+    # redirect stderr to stdout
+    stdout_handle = os.popen(cmd + " 2>&1", "r")
+    output = ""
+
+    while 1:
+        line = stdout_handle.readline()
+        if not line:
+            break
+        if not quiet:
+            print line,
+        output += line
+
+    status =  stdout_handle.close() or 0
+    signal = status >> 8
+    exitstatus = status & 0xff
+
+    if signal:
+        raise FetchError("Fetch command %s failed with signal %s, output:\n%s" % (cmd, signal, output))
+    elif status != 0:
+        raise FetchError("Fetch command %s failed with exit code %s, output:\n%s" % (cmd, status, output))
+
+    return output
+
+class FetchData(object):
+    """
+    A class which represents the fetcher state for a given URI.
+    """
+    def __init__(self, url, d):
+        self.localfile = ""
+        (self.type, self.host, self.path, self.user, self.pswd, self.parm) = bb.decodeurl(data.expand(url, d))
+        self.date = Fetch.getSRCDate(self, d)
+        self.url = url
+        self.setup = False
+        for m in methods:
+            if m.supports(url, self, d):
+                self.method = m
+                return
+        raise NoMethodError("Missing implementation for url %s" % url)
+
+    def setup_localpath(self, d):
+        self.setup = True
+        if "localpath" in self.parm:
+            # if user sets localpath for file, use it instead.
+            self.localpath = self.parm["localpath"]
+        else:
+            bb.fetch.srcrev_internal_call = True
+            self.localpath = self.method.localpath(self.url, self, d)
+            bb.fetch.srcrev_internal_call = False
+            # We have to clear data's internal caches since the cached value of SRCREV is now wrong.
+            # Horrible...
+            bb.data.delVar("ISHOULDNEVEREXIST", d)
+        self.md5 = self.localpath + '.md5'
+        self.lockfile = self.localpath + '.lock'
+
+
+class Fetch(object):
+    """Base class for 'fetch'ing data"""
+
+    def __init__(self, urls = []):
+        self.urls = []
+
+    def supports(self, url, urldata, d):
+        """
+        Check to see if this fetch class supports a given url.
+        """
+        return 0
+
+    def localpath(self, url, urldata, d):
+        """
+        Return the local filename of a given url assuming a successful fetch.
+        Can also setup variables in urldata for use in go (saving code duplication 
+        and duplicate code execution)
+        """
+        return url
+
+    def setUrls(self, urls):
+        self.__urls = urls
+
+    def getUrls(self):
+        return self.__urls
+
+    urls = property(getUrls, setUrls, None, "Urls property")
+
+    def forcefetch(self, url, urldata, d):
+        """
+        Force a fetch, even if localpath exists?
+        """
+        return False
+
+    def suppports_srcrev(self):
+        """
+        The fetcher supports auto source revisions (SRCREV)
+        """
+        return False
+
+    def go(self, url, urldata, d):
+        """
+        Fetch urls
+        Assumes localpath was called first
+        """
+        raise NoMethodError("Missing implementation for url")
+
+    def checkstatus(self, url, urldata, d):
+        """
+        Check the status of a URL
+        Assumes localpath was called first
+        """
+        bb.msg.note(1, bb.msg.domain.Fetcher, "URL %s could not be checked for status since no method exists." % url)
+        return True
+
+    def getSRCDate(urldata, d):
+        """
+        Return the SRC Date for the component
+
+        d the bb.data module
+        """
+        if "srcdate" in urldata.parm:
+            return urldata.parm['srcdate']
+
+        pn = data.getVar("PN", d, 1)
+
+        if pn:
+            return data.getVar("SRCDATE_%s" % pn, d, 1) or data.getVar("CVSDATE_%s" % pn, d, 1) or data.getVar("SRCDATE", d, 1) or data.getVar("CVSDATE", d, 1) or data.getVar("DATE", d, 1)
+
+        return data.getVar("SRCDATE", d, 1) or data.getVar("CVSDATE", d, 1) or data.getVar("DATE", d, 1)
+    getSRCDate = staticmethod(getSRCDate)
+
+    def srcrev_internal_helper(ud, d):
+        """
+        Return:
+            a) a source revision if specified
+            b) True if auto srcrev is in action
+            c) False otherwise
+        """
+
+        if 'rev' in ud.parm:
+            return ud.parm['rev']
+
+        if 'tag' in ud.parm:
+            return ud.parm['tag']
+
+        rev = None
+        if 'name' in ud.parm:
+            pn = data.getVar("PN", d, 1)
+            rev = data.getVar("SRCREV_pn-" + pn + "_" + ud.parm['name'], d, 1)
+        if not rev:
+            rev = data.getVar("SRCREV", d, 1)
+        if not rev:
+            return False
+        if rev is "SRCREVINACTION":
+            return True
+        return rev
+
+    srcrev_internal_helper = staticmethod(srcrev_internal_helper)
+
+    def try_mirror(d, tarfn):
+        """
+        Try to use a mirrored version of the sources. We do this
+        to avoid massive loads on foreign cvs and svn servers.
+        This method will be used by the different fetcher
+        implementations.
+
+        d Is a bb.data instance
+        tarfn is the name of the tarball
+        """
+        tarpath = os.path.join(data.getVar("DL_DIR", d, 1), tarfn)
+        if os.access(tarpath, os.R_OK):
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "%s already exists, skipping checkout." % tarfn)
+            return True
+
+        pn = data.getVar('PN', d, True)
+        src_tarball_stash = None
+        if pn:
+            src_tarball_stash = (data.getVar('SRC_TARBALL_STASH_%s' % pn, d, True) or data.getVar('CVS_TARBALL_STASH_%s' % pn, d, True) or data.getVar('SRC_TARBALL_STASH', d, True) or data.getVar('CVS_TARBALL_STASH', d, True) or "").split()
+
+        for stash in src_tarball_stash:
+            fetchcmd = data.getVar("FETCHCOMMAND_mirror", d, True) or data.getVar("FETCHCOMMAND_wget", d, True)
+            uri = stash + tarfn
+            bb.msg.note(1, bb.msg.domain.Fetcher, "fetch " + uri)
+            fetchcmd = fetchcmd.replace("${URI}", uri)
+            ret = os.system(fetchcmd)
+            if ret == 0:
+                bb.msg.note(1, bb.msg.domain.Fetcher, "Fetched %s from tarball stash, skipping checkout" % tarfn)
+                return True
+        return False
+    try_mirror = staticmethod(try_mirror)
+
+    def verify_md5sum(ud, got_sum):
+        """
+        Verify the md5sum we wanted with the one we got
+        """
+        wanted_sum = None
+        if 'md5sum' in ud.parm:
+            wanted_sum = ud.parm['md5sum']
+        if not wanted_sum:
+            return True
+
+        return wanted_sum == got_sum
+    verify_md5sum = staticmethod(verify_md5sum)
+
+    def write_md5sum(url, ud, d):
+        md5data = bb.utils.md5_file(ud.localpath)
+        # verify the md5sum
+        if not Fetch.verify_md5sum(ud, md5data):
+            raise MD5SumError(url)
+
+        md5out = file(ud.md5, 'w')
+        md5out.write(md5data)
+        md5out.close()
+    write_md5sum = staticmethod(write_md5sum)
+
+    def latest_revision(self, url, ud, d):
+        """
+        Look in the cache for the latest revision, if not present ask the SCM.
+        """
+        if not hasattr(self, "_latest_revision"):
+            raise ParameterError
+
+        pd = persist_data.PersistData(d)
+        key = self._revision_key(url, ud, d)
+        rev = pd.getValue("BB_URI_HEADREVS", key)
+        if rev != None:
+            return str(rev)
+
+        rev = self._latest_revision(url, ud, d)
+        pd.setValue("BB_URI_HEADREVS", key, rev)
+        return rev
+
+    def sortable_revision(self, url, ud, d):
+        """
+        
+        """
+        if hasattr(self, "_sortable_revision"):
+            return self._sortable_revision(url, ud, d)
+
+        pd = persist_data.PersistData(d)
+        key = self._revision_key(url, ud, d)
+        latest_rev = self._build_revision(url, ud, d)
+        last_rev = pd.getValue("BB_URI_LOCALCOUNT", key + "_rev")
+        count = pd.getValue("BB_URI_LOCALCOUNT", key + "_count")
+
+        if last_rev == latest_rev:
+            return str(count + "+" + latest_rev)
+
+        if count is None:
+            count = "0"
+        else:
+            count = str(int(count) + 1)
+
+        pd.setValue("BB_URI_LOCALCOUNT", key + "_rev", latest_rev)
+        pd.setValue("BB_URI_LOCALCOUNT", key + "_count", count)
+
+        return str(count + "+" + latest_rev)
+
+
+import cvs
+import git
+import local
+import svn
+import wget
+import svk
+import ssh
+import perforce
+import bzr
+import hg
+
+methods.append(local.Local())
+methods.append(wget.Wget())
+methods.append(svn.Svn())
+methods.append(git.Git())
+methods.append(cvs.Cvs())
+methods.append(svk.Svk())
+methods.append(ssh.SSH())
+methods.append(perforce.Perforce())
+methods.append(bzr.Bzr())
+methods.append(hg.Hg())
diff --git a/bitbake-dev/lib/bb/fetch/bzr.py b/bitbake-dev/lib/bb/fetch/bzr.py
new file mode 100644
index 0000000000..b23e9eef86
--- /dev/null
+++ b/bitbake-dev/lib/bb/fetch/bzr.py
@@ -0,0 +1,154 @@
+"""
+BitBake 'Fetch' implementation for bzr.
+
+"""
+
+# Copyright (C) 2007 Ross Burton
+# Copyright (C) 2007 Richard Purdie
+#
+#   Classes for obtaining upstream sources for the
+#   BitBake build tools.
+#   Copyright (C) 2003, 2004  Chris Larson
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# 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.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import os
+import sys
+import bb
+from bb import data
+from bb.fetch import Fetch
+from bb.fetch import FetchError
+from bb.fetch import MissingParameterError
+from bb.fetch import runfetchcmd
+
+class Bzr(Fetch):
+    def supports(self, url, ud, d):
+        return ud.type in ['bzr']
+
+    def localpath (self, url, ud, d):
+
+        # Create paths to bzr checkouts
+        relpath = ud.path
+        if relpath.startswith('/'):
+            # Remove leading slash as os.path.join can't cope
+            relpath = relpath[1:]
+        ud.pkgdir = os.path.join(data.expand('${BZRDIR}', d), ud.host, relpath)
+
+        revision = Fetch.srcrev_internal_helper(ud, d)
+        if revision is True:
+            ud.revision = self.latest_revision(url, ud, d)      
+        elif revision:
+            ud.revision = revision
+
+        if not ud.revision:
+            ud.revision = self.latest_revision(url, ud, d)      
+
+        ud.localfile = data.expand('bzr_%s_%s_%s.tar.gz' % (ud.host, ud.path.replace('/', '.'), ud.revision), d)
+        
+        return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile)
+
+    def _buildbzrcommand(self, ud, d, command):
+        """
+        Build up an bzr commandline based on ud
+        command is "fetch", "update", "revno"
+        """
+
+        basecmd = data.expand('${FETCHCMD_bzr}', d)
+
+        proto = "http"
+        if "proto" in ud.parm:
+            proto = ud.parm["proto"]
+
+        bzrroot = ud.host + ud.path
+
+        options = []
+
+        if command is "revno":
+            bzrcmd = "%s revno %s %s://%s" % (basecmd, " ".join(options), proto, bzrroot)
+        else:
+            if ud.revision:
+                options.append("-r %s" % ud.revision)
+
+            if command is "fetch":
+                bzrcmd = "%s co %s %s://%s" % (basecmd, " ".join(options), proto, bzrroot)
+            elif command is "update":
+                bzrcmd = "%s pull %s --overwrite" % (basecmd, " ".join(options))
+            else:
+                raise FetchError("Invalid bzr command %s" % command)
+
+        return bzrcmd
+
+    def go(self, loc, ud, d):
+        """Fetch url"""
+
+        # try to use the tarball stash
+        if Fetch.try_mirror(d, ud.localfile):
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "%s already exists or was mirrored, skipping bzr checkout." % ud.localpath)
+            return
+
+        if os.access(os.path.join(ud.pkgdir, os.path.basename(ud.pkgdir), '.bzr'), os.R_OK):
+            bzrcmd = self._buildbzrcommand(ud, d, "update")
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "BZR Update %s" % loc)
+            os.chdir(os.path.join (ud.pkgdir, os.path.basename(ud.path)))
+            runfetchcmd(bzrcmd, d)
+        else:
+            os.system("rm -rf %s" % os.path.join(ud.pkgdir, os.path.basename(ud.pkgdir)))
+            bzrcmd = self._buildbzrcommand(ud, d, "fetch")
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "BZR Checkout %s" % loc)
+            bb.mkdirhier(ud.pkgdir)
+            os.chdir(ud.pkgdir)
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % bzrcmd)
+            runfetchcmd(bzrcmd, d)
+
+        os.chdir(ud.pkgdir)
+        # tar them up to a defined filename
+        try:
+            runfetchcmd("tar -czf %s %s" % (ud.localpath, os.path.basename(ud.pkgdir)), d)
+        except:
+            t, v, tb = sys.exc_info()
+            try:
+                os.unlink(ud.localpath)
+            except OSError:
+                pass
+            raise t, v, tb
+
+    def suppports_srcrev(self):
+        return True
+
+    def _revision_key(self, url, ud, d):
+        """
+        Return a unique key for the url
+        """
+        return "bzr:" + ud.pkgdir
+
+    def _latest_revision(self, url, ud, d):
+        """
+        Return the latest upstream revision number
+        """
+        bb.msg.debug(2, bb.msg.domain.Fetcher, "BZR fetcher hitting network for %s" % url)
+
+        output = runfetchcmd(self._buildbzrcommand(ud, d, "revno"), d, True)
+
+        return output.strip()
+
+    def _sortable_revision(self, url, ud, d):
+        """
+        Return a sortable revision number which in our case is the revision number
+        """
+
+        return self._build_revision(url, ud, d)
+
+    def _build_revision(self, url, ud, d):
+        return ud.revision
+
diff --git a/bitbake-dev/lib/bb/fetch/cvs.py b/bitbake-dev/lib/bb/fetch/cvs.py
new file mode 100644
index 0000000000..c4ccf4303f
--- /dev/null
+++ b/bitbake-dev/lib/bb/fetch/cvs.py
@@ -0,0 +1,178 @@
+# ex:ts=4:sw=4:sts=4:et
+# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+"""
+BitBake 'Fetch' implementations
+
+Classes for obtaining upstream sources for the
+BitBake build tools.
+
+"""
+
+# Copyright (C) 2003, 2004  Chris Larson
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# 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.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+#Based on functions from the base bb module, Copyright 2003 Holger Schurig
+#
+
+import os, re
+import bb
+from   bb import data
+from   bb.fetch import Fetch
+from   bb.fetch import FetchError
+from   bb.fetch import MissingParameterError
+
+class Cvs(Fetch):
+    """
+    Class to fetch a module or modules from cvs repositories
+    """
+    def supports(self, url, ud, d):
+        """
+        Check to see if a given url can be fetched with cvs.
+        """
+        return ud.type in ['cvs', 'pserver']
+
+    def localpath(self, url, ud, d):
+        if not "module" in ud.parm:
+            raise MissingParameterError("cvs method needs a 'module' parameter")
+        ud.module = ud.parm["module"]
+
+        ud.tag = ""
+        if 'tag' in ud.parm:
+            ud.tag = ud.parm['tag']
+
+        # Override the default date in certain cases
+        if 'date' in ud.parm:
+            ud.date = ud.parm['date']
+        elif ud.tag:
+            ud.date = ""
+
+        norecurse = ''
+        if 'norecurse' in ud.parm:
+            norecurse = '_norecurse'
+
+        fullpath = ''
+        if 'fullpath' in ud.parm:
+            fullpath = '_fullpath'
+
+        ud.localfile = data.expand('%s_%s_%s_%s%s%s.tar.gz' % (ud.module.replace('/', '.'), ud.host, ud.tag, ud.date, norecurse, fullpath), d)
+
+        return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile)
+
+    def forcefetch(self, url, ud, d):
+        if (ud.date == "now"):
+            return True
+        return False
+
+    def go(self, loc, ud, d):
+
+        # try to use the tarball stash
+        if not self.forcefetch(loc, ud, d) and Fetch.try_mirror(d, ud.localfile):
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "%s already exists or was mirrored, skipping cvs checkout." % ud.localpath)
+            return
+
+        method = "pserver"
+        if "method" in ud.parm:
+            method = ud.parm["method"]
+
+        localdir = ud.module
+        if "localdir" in ud.parm:
+            localdir = ud.parm["localdir"]
+
+        cvs_port = ""
+        if "port" in ud.parm:
+            cvs_port = ud.parm["port"]
+
+        cvs_rsh = None
+        if method == "ext":
+            if "rsh" in ud.parm:
+                cvs_rsh = ud.parm["rsh"]
+
+        if method == "dir":
+            cvsroot = ud.path
+        else:
+            cvsroot = ":" + method
+            cvsproxyhost = data.getVar('CVS_PROXY_HOST', d, True)
+            if cvsproxyhost:
+                cvsroot += ";proxy=" + cvsproxyhost
+            cvsproxyport = data.getVar('CVS_PROXY_PORT', d, True)
+            if cvsproxyport:
+                cvsroot += ";proxyport=" + cvsproxyport
+            cvsroot += ":" + ud.user
+            if ud.pswd:
+                cvsroot += ":" + ud.pswd
+            cvsroot += "@" + ud.host + ":" + cvs_port + ud.path
+
+        options = []
+        if 'norecurse' in ud.parm:
+            options.append("-l")
+        if ud.date:
+            options.append("-D \"%s UTC\"" % ud.date)
+        if ud.tag:
+            options.append("-r %s" % ud.tag)
+
+        localdata = data.createCopy(d)
+        data.setVar('OVERRIDES', "cvs:%s" % data.getVar('OVERRIDES', localdata), localdata)
+        data.update_data(localdata)
+
+        data.setVar('CVSROOT', cvsroot, localdata)
+        data.setVar('CVSCOOPTS', " ".join(options), localdata)
+        data.setVar('CVSMODULE', ud.module, localdata)
+        cvscmd = data.getVar('FETCHCOMMAND', localdata, 1)
+        cvsupdatecmd = data.getVar('UPDATECOMMAND', localdata, 1)
+
+        if cvs_rsh:
+            cvscmd = "CVS_RSH=\"%s\" %s" % (cvs_rsh, cvscmd)
+            cvsupdatecmd = "CVS_RSH=\"%s\" %s" % (cvs_rsh, cvsupdatecmd)
+
+        # create module directory
+        bb.msg.debug(2, bb.msg.domain.Fetcher, "Fetch: checking for module directory")
+        pkg = data.expand('${PN}', d)
+        pkgdir = os.path.join(data.expand('${CVSDIR}', localdata), pkg)
+        moddir = os.path.join(pkgdir,localdir)
+        if os.access(os.path.join(moddir,'CVS'), os.R_OK):
+            bb.msg.note(1, bb.msg.domain.Fetcher, "Update " + loc)
+            # update sources there
+            os.chdir(moddir)
+            myret = os.system(cvsupdatecmd)
+        else:
+            bb.msg.note(1, bb.msg.domain.Fetcher, "Fetch " + loc)
+            # check out sources there
+            bb.mkdirhier(pkgdir)
+            os.chdir(pkgdir)
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % cvscmd)
+            myret = os.system(cvscmd)
+
+        if myret != 0 or not os.access(moddir, os.R_OK):
+            try:
+                os.rmdir(moddir)
+            except OSError:
+                 pass
+            raise FetchError(ud.module)
+
+        # tar them up to a defined filename
+        if 'fullpath' in ud.parm:
+            os.chdir(pkgdir)
+            myret = os.system("tar -czf %s %s" % (ud.localpath, localdir))
+        else:
+            os.chdir(moddir)
+            os.chdir('..')
+            myret = os.system("tar -czf %s %s" % (ud.localpath, os.path.basename(moddir)))
+
+        if myret != 0:
+            try:
+                os.unlink(ud.localpath)
+            except OSError:
+                pass
+            raise FetchError(ud.module)
diff --git a/bitbake-dev/lib/bb/fetch/git.py b/bitbake-dev/lib/bb/fetch/git.py
new file mode 100644
index 0000000000..f4ae724f87
--- /dev/null
+++ b/bitbake-dev/lib/bb/fetch/git.py
@@ -0,0 +1,142 @@
+# 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 version 2 as
+# published by the Free Software Foundation.
+#
+# 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.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import os, re
+import bb
+from   bb    import data
+from   bb.fetch import Fetch
+from   bb.fetch import FetchError
+from   bb.fetch import runfetchcmd
+
+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))
+
+class Git(Fetch):
+    """Class to fetch a module or modules from git repositories"""
+    def supports(self, url, ud, d):
+        """
+        Check to see if a given url can be fetched with git.
+        """
+        return ud.type in ['git']
+
+    def localpath(self, url, ud, d):
+
+        ud.proto = "rsync"
+        if 'protocol' in ud.parm:
+            ud.proto = ud.parm['protocol']
+
+        ud.branch = ud.parm.get("branch", "master")
+
+        tag = Fetch.srcrev_internal_helper(ud, d)
+        if tag is True:
+            ud.tag = self.latest_revision(url, ud, d)   
+        elif tag:
+            ud.tag = tag
+
+        if not ud.tag:
+            ud.tag = self.latest_revision(url, ud, d)   
+
+        if ud.tag == "master":
+            ud.tag = self.latest_revision(url, ud, d)
+
+        ud.localfile = data.expand('git_%s%s_%s.tar.gz' % (ud.host, ud.path.replace('/', '.'), ud.tag), d)
+
+        return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile)
+
+    def go(self, loc, ud, d):
+        """Fetch url"""
+
+        if Fetch.try_mirror(d, ud.localfile):
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "%s already exists (or was stashed). Skipping git checkout." % ud.localpath)
+            return
+
+        gitsrcname = '%s%s' % (ud.host, ud.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' % (ud.tag)
+        codir = os.path.join(repodir, coname)
+
+        if not os.path.exists(repodir):
+            if Fetch.try_mirror(d, repofilename):    
+                bb.mkdirhier(repodir)
+                os.chdir(repodir)
+                runfetchcmd("tar -xzf %s" % (repofile), d)
+            else:
+                runfetchcmd("git clone -n %s://%s%s %s" % (ud.proto, ud.host, ud.path, repodir), d)
+
+        os.chdir(repodir)
+        # Remove all but the .git directory
+        runfetchcmd("rm * -Rf", d)
+        runfetchcmd("git fetch %s://%s%s %s" % (ud.proto, ud.host, ud.path, ud.branch), d)
+        runfetchcmd("git fetch --tags %s://%s%s" % (ud.proto, ud.host, ud.path), d)
+        runfetchcmd("git prune-packed", d)
+        runfetchcmd("git pack-redundant --all | xargs -r rm", d)
+
+        os.chdir(repodir)
+        mirror_tarballs = data.getVar("BB_GENERATE_MIRROR_TARBALLS", d, True)
+        if mirror_tarballs != "0": 
+            bb.msg.note(1, bb.msg.domain.Fetcher, "Creating tarball of git repository")
+            runfetchcmd("tar -czf %s %s" % (repofile, os.path.join(".", ".git", "*") ), d)
+
+        if os.path.exists(codir):
+            prunedir(codir)
+
+        bb.mkdirhier(codir)
+        os.chdir(repodir)
+        runfetchcmd("git read-tree %s" % (ud.tag), d)
+        runfetchcmd("git checkout-index -q -f --prefix=%s -a" % (os.path.join(codir, "git", "")), d)
+
+        os.chdir(codir)
+        bb.msg.note(1, bb.msg.domain.Fetcher, "Creating tarball of git checkout")
+        runfetchcmd("tar -czf %s %s" % (ud.localpath, os.path.join(".", "*") ), d)
+
+        os.chdir(repodir)
+        prunedir(codir)
+
+    def suppports_srcrev(self):
+        return True
+
+    def _revision_key(self, url, ud, d):
+        """
+        Return a unique key for the url
+        """
+        return "git:" + ud.host + ud.path.replace('/', '.')
+
+    def _latest_revision(self, url, ud, d):
+        """
+        Compute the HEAD revision for the url
+        """
+        output = runfetchcmd("git ls-remote %s://%s%s %s" % (ud.proto, ud.host, ud.path, ud.branch), d, True)
+        return output.split()[0]
+
+    def _build_revision(self, url, ud, d):
+        return ud.tag
+
diff --git a/bitbake-dev/lib/bb/fetch/hg.py b/bitbake-dev/lib/bb/fetch/hg.py
new file mode 100644
index 0000000000..ee3bd2f7fe
--- /dev/null
+++ b/bitbake-dev/lib/bb/fetch/hg.py
@@ -0,0 +1,141 @@
+# ex:ts=4:sw=4:sts=4:et
+# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+"""
+BitBake 'Fetch' implementation for mercurial DRCS (hg).
+
+"""
+
+# Copyright (C) 2003, 2004  Chris Larson
+# Copyright (C) 2004        Marcin Juszkiewicz
+# Copyright (C) 2007        Robert Schuster
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# 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.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Based on functions from the base bb module, Copyright 2003 Holger Schurig
+
+import os, re
+import sys
+import bb
+from bb import data
+from bb.fetch import Fetch
+from bb.fetch import FetchError
+from bb.fetch import MissingParameterError
+from bb.fetch import runfetchcmd
+
+class Hg(Fetch):
+    """Class to fetch a from mercurial repositories"""
+    def supports(self, url, ud, d):
+        """
+        Check to see if a given url can be fetched with mercurial.
+        """
+        return ud.type in ['hg']
+
+    def localpath(self, url, ud, d):
+        if not "module" in ud.parm:
+            raise MissingParameterError("hg method needs a 'module' parameter")
+
+        ud.module = ud.parm["module"]
+
+        # Create paths to mercurial checkouts
+        relpath = ud.path
+        if relpath.startswith('/'):
+            # Remove leading slash as os.path.join can't cope
+            relpath = relpath[1:]
+        ud.pkgdir = os.path.join(data.expand('${HGDIR}', d), ud.host, relpath)
+        ud.moddir = os.path.join(ud.pkgdir, ud.module)
+
+        if 'rev' in ud.parm:
+            ud.revision = ud.parm['rev']
+
+        ud.localfile = data.expand('%s_%s_%s_%s.tar.gz' % (ud.module.replace('/', '.'), ud.host, ud.path.replace('/', '.'), ud.revision), d)
+
+        return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile)
+
+    def _buildhgcommand(self, ud, d, command):
+        """
+        Build up an hg commandline based on ud
+        command is "fetch", "update", "info"
+        """
+
+        basecmd = data.expand('${FETCHCMD_hg}', d)
+
+        proto = "http"
+        if "proto" in ud.parm:
+            proto = ud.parm["proto"]
+
+        host = ud.host
+        if proto == "file":
+            host = "/"
+            ud.host = "localhost"
+
+        hgroot = host + ud.path
+
+        if command is "info":
+            return "%s identify -i %s://%s/%s" % (basecmd, proto, hgroot, ud.module)
+
+        options = [];
+        if ud.revision:
+            options.append("-r %s" % ud.revision)
+
+        if command is "fetch":
+            cmd = "%s clone %s %s://%s/%s %s" % (basecmd, " ".join(options), proto, hgroot, ud.module, ud.module)
+        elif command is "pull":
+            cmd = "%s pull %s" % (basecmd, " ".join(options))
+        elif command is "update":
+            cmd = "%s update -C %s" % (basecmd, " ".join(options))
+        else:
+            raise FetchError("Invalid hg command %s" % command)
+
+        return cmd
+
+    def go(self, loc, ud, d):
+        """Fetch url"""
+
+        # try to use the tarball stash
+        if Fetch.try_mirror(d, ud.localfile):
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "%s already exists or was mirrored, skipping hg checkout." % ud.localpath)
+            return
+
+        bb.msg.debug(2, bb.msg.domain.Fetcher, "Fetch: checking for module directory '" + ud.moddir + "'")
+
+        if os.access(os.path.join(ud.moddir, '.hg'), os.R_OK):
+            updatecmd = self._buildhgcommand(ud, d, "pull")
+            bb.msg.note(1, bb.msg.domain.Fetcher, "Update " + loc)
+            # update sources there
+            os.chdir(ud.moddir)
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % updatecmd)
+            runfetchcmd(updatecmd, d)
+
+            updatecmd = self._buildhgcommand(ud, d, "update")
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % updatecmd)
+            runfetchcmd(updatecmd, d)
+        else:
+            fetchcmd = self._buildhgcommand(ud, d, "fetch")
+            bb.msg.note(1, bb.msg.domain.Fetcher, "Fetch " + loc)
+            # check out sources there
+            bb.mkdirhier(ud.pkgdir)
+            os.chdir(ud.pkgdir)
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % fetchcmd)
+            runfetchcmd(fetchcmd, d)
+
+        os.chdir(ud.pkgdir)
+        try:
+            runfetchcmd("tar -czf %s %s" % (ud.localpath, ud.module), d)
+        except:
+            t, v, tb = sys.exc_info()
+            try:
+                os.unlink(ud.localpath)
+            except OSError:
+                pass
+            raise t, v, tb
diff --git a/bitbake-dev/lib/bb/fetch/local.py b/bitbake-dev/lib/bb/fetch/local.py
new file mode 100644
index 0000000000..54d598ae89
--- /dev/null
+++ b/bitbake-dev/lib/bb/fetch/local.py
@@ -0,0 +1,72 @@
+# ex:ts=4:sw=4:sts=4:et
+# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+"""
+BitBake 'Fetch' implementations
+
+Classes for obtaining upstream sources for the
+BitBake build tools.
+
+"""
+
+# Copyright (C) 2003, 2004  Chris Larson
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# 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.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Based on functions from the base bb module, Copyright 2003 Holger Schurig
+
+import os, re
+import bb
+from   bb import data
+from   bb.fetch import Fetch
+
+class Local(Fetch):
+    def supports(self, url, urldata, d):
+        """
+        Check to see if a given url can be fetched with cvs.
+        """
+        return urldata.type in ['file','patch']
+
+    def localpath(self, url, urldata, d):
+        """
+        Return the local filename of a given url assuming a successful fetch.
+        """
+        path = url.split("://")[1]
+        path = path.split(";")[0]
+        newpath = path
+        if path[0] != "/":
+            filespath = data.getVar('FILESPATH', d, 1)
+            if filespath:
+                newpath = bb.which(filespath, path)
+            if not newpath:
+                filesdir = data.getVar('FILESDIR', d, 1)
+                if filesdir:
+                    newpath = os.path.join(filesdir, path)
+        # We don't set localfile as for this fetcher the file is already local!
+        return newpath
+
+    def go(self, url, urldata, d):
+        """Fetch urls (no-op for Local method)"""
+        # no need to fetch local files, we'll deal with them in place.
+        return 1
+
+    def checkstatus(self, url, urldata, d):
+        """
+        Check the status of the url
+        """
+        if urldata.localpath.find("*") != -1:
+            bb.msg.note(1, bb.msg.domain.Fetcher, "URL %s looks like a glob and was therefore not checked." % url)      
+            return True
+        if os.path.exists(urldata.localpath):
+           return True
+        return False
diff --git a/bitbake-dev/lib/bb/fetch/perforce.py b/bitbake-dev/lib/bb/fetch/perforce.py
new file mode 100644
index 0000000000..b594d2bde2
--- /dev/null
+++ b/bitbake-dev/lib/bb/fetch/perforce.py
@@ -0,0 +1,213 @@
+# ex:ts=4:sw=4:sts=4:et
+# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+"""
+BitBake 'Fetch' implementations
+
+Classes for obtaining upstream sources for the
+BitBake build tools.
+
+"""
+
+# Copyright (C) 2003, 2004  Chris Larson
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# 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.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Based on functions from the base bb module, Copyright 2003 Holger Schurig
+
+import os, re
+import bb
+from   bb import data
+from   bb.fetch import Fetch
+from   bb.fetch import FetchError
+from   bb.fetch import MissingParameterError
+
+class Perforce(Fetch):
+    def supports(self, url, ud, d):
+        return ud.type in ['p4']
+
+    def doparse(url,d):
+        parm = {}
+        path = url.split("://")[1]
+        delim = path.find("@");
+        if delim != -1:
+            (user,pswd,host,port) = path.split('@')[0].split(":")
+            path = path.split('@')[1]
+        else:
+            (host,port) = data.getVar('P4PORT', d).split(':')
+            user = ""
+            pswd = ""
+
+        if path.find(";") != -1:
+            keys=[]
+            values=[]
+            plist = path.split(';')
+            for item in plist:
+                if item.count('='):
+                    (key,value) = item.split('=')
+                    keys.append(key)
+                    values.append(value)
+
+            parm = dict(zip(keys,values))
+        path = "//" + path.split(';')[0]
+        host += ":%s" % (port)
+        parm["cset"] = Perforce.getcset(d, path, host, user, pswd, parm)
+
+        return host,path,user,pswd,parm
+    doparse = staticmethod(doparse)
+
+    def getcset(d, depot,host,user,pswd,parm):
+        if "cset" in parm:
+            return parm["cset"];
+        if user:
+            data.setVar('P4USER', user, d)
+        if pswd:
+            data.setVar('P4PASSWD', pswd, d)
+        if host:
+            data.setVar('P4PORT', host, d)
+
+        p4date = data.getVar("P4DATE", d, 1)
+        if "revision" in parm:
+            depot += "#%s" % (parm["revision"])
+        elif "label" in parm:
+            depot += "@%s" % (parm["label"])
+        elif p4date:
+            depot += "@%s" % (p4date)
+
+        p4cmd = data.getVar('FETCHCOMMAND_p4', d, 1)
+        bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s changes -m 1 %s" % (p4cmd, depot))
+        p4file = os.popen("%s changes -m 1 %s" % (p4cmd,depot))
+        cset = p4file.readline().strip()
+        bb.msg.debug(1, bb.msg.domain.Fetcher, "READ %s" % (cset))
+        if not cset:
+            return -1
+
+        return cset.split(' ')[1]
+    getcset = staticmethod(getcset)
+
+    def localpath(self, url, ud, d):        
+
+        (host,path,user,pswd,parm) = Perforce.doparse(url,d)
+
+        # If a label is specified, we use that as our filename
+
+        if "label" in parm:
+            ud.localfile = "%s.tar.gz" % (parm["label"])
+            return os.path.join(data.getVar("DL_DIR", d, 1), ud.localfile)
+
+        base = path
+        which = path.find('/...')
+        if which != -1:
+            base = path[:which]
+
+        if base[0] == "/":
+            base = base[1:]
+
+        cset = Perforce.getcset(d, path, host, user, pswd, parm)
+
+        ud.localfile = data.expand('%s+%s+%s.tar.gz' % (host,base.replace('/', '.'), cset), d)
+
+        return os.path.join(data.getVar("DL_DIR", d, 1), ud.localfile)
+
+    def go(self, loc, ud, d):
+        """
+        Fetch urls
+        """
+
+        # try to use the tarball stash
+        if Fetch.try_mirror(d, ud.localfile):
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "%s already exists or was mirrored, skipping perforce checkout." % ud.localpath)
+            return
+
+        (host,depot,user,pswd,parm) = Perforce.doparse(loc, d)
+
+        if depot.find('/...') != -1:
+            path = depot[:depot.find('/...')]
+        else:
+            path = depot
+
+        if "module" in parm:
+            module = parm["module"]
+        else:
+            module = os.path.basename(path)
+
+        localdata = data.createCopy(d)
+        data.setVar('OVERRIDES', "p4:%s" % data.getVar('OVERRIDES', localdata), localdata)
+        data.update_data(localdata)
+
+        # Get the p4 command
+        if user:
+            data.setVar('P4USER', user, localdata)
+
+        if pswd:
+            data.setVar('P4PASSWD', pswd, localdata)
+
+        if host:
+            data.setVar('P4PORT', host, localdata)
+
+        p4cmd = data.getVar('FETCHCOMMAND', localdata, 1)
+
+        # create temp directory
+        bb.msg.debug(2, bb.msg.domain.Fetcher, "Fetch: creating temporary directory")
+        bb.mkdirhier(data.expand('${WORKDIR}', localdata))
+        data.setVar('TMPBASE', data.expand('${WORKDIR}/oep4.XXXXXX', localdata), localdata)
+        tmppipe = os.popen(data.getVar('MKTEMPDIRCMD', localdata, 1) or "false")
+        tmpfile = tmppipe.readline().strip()
+        if not tmpfile:
+            bb.error("Fetch: unable to create temporary directory.. make sure 'mktemp' is in the PATH.")
+            raise FetchError(module)
+
+        if "label" in parm:
+            depot = "%s@%s" % (depot,parm["label"])
+        else:
+            cset = Perforce.getcset(d, depot, host, user, pswd, parm)
+            depot = "%s@%s" % (depot,cset)
+
+        os.chdir(tmpfile)
+        bb.msg.note(1, bb.msg.domain.Fetcher, "Fetch " + loc)
+        bb.msg.note(1, bb.msg.domain.Fetcher, "%s files %s" % (p4cmd, depot))
+        p4file = os.popen("%s files %s" % (p4cmd, depot))
+
+        if not p4file:
+            bb.error("Fetch: unable to get the P4 files from %s" % (depot))
+            raise FetchError(module)
+
+        count = 0
+
+        for file in p4file: 
+            list = file.split()
+
+            if list[2] == "delete":
+                continue
+
+            dest = list[0][len(path)+1:]
+            where = dest.find("#")
+
+            os.system("%s print -o %s/%s %s" % (p4cmd, module,dest[:where],list[0]))
+            count = count + 1
+            
+        if count == 0:
+            bb.error("Fetch:  No files gathered from the P4 fetch")
+            raise FetchError(module)
+
+        myret = os.system("tar -czf %s %s" % (ud.localpath, module))
+        if myret != 0:
+            try:
+                os.unlink(ud.localpath)
+            except OSError:
+                pass
+            raise FetchError(module)
+        # cleanup
+        os.system('rm -rf %s' % tmpfile)
+
+
diff --git a/bitbake-dev/lib/bb/fetch/ssh.py b/bitbake-dev/lib/bb/fetch/ssh.py
new file mode 100644
index 0000000000..81a9892dcc
--- /dev/null
+++ b/bitbake-dev/lib/bb/fetch/ssh.py
@@ -0,0 +1,120 @@
+# ex:ts=4:sw=4:sts=4:et
+# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+'''
+BitBake 'Fetch' implementations
+
+This implementation is for Secure Shell (SSH), and attempts to comply with the
+IETF secsh internet draft:
+    http://tools.ietf.org/wg/secsh/draft-ietf-secsh-scp-sftp-ssh-uri/
+
+    Currently does not support the sftp parameters, as this uses scp
+    Also does not support the 'fingerprint' connection parameter.
+
+'''
+
+# Copyright (C) 2006  OpenedHand Ltd.
+#
+#
+# Based in part on svk.py:
+#    Copyright (C) 2006 Holger Hans Peter Freyther
+#    Based on svn.py:
+#        Copyright (C) 2003, 2004  Chris Larson
+#        Based on functions from the base bb module:
+#            Copyright 2003 Holger Schurig
+#
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# 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.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+
+import re, os
+import bb
+from   bb import data
+from   bb.fetch import Fetch
+from   bb.fetch import FetchError
+from   bb.fetch import MissingParameterError
+
+
+__pattern__ = re.compile(r'''
+ \s*                 # Skip leading whitespace
+ ssh://              # scheme
+ (                   # Optional username/password block
+  (?P<user>\S+)      # username
+  (:(?P<pass>\S+))?  # colon followed by the password (optional)
+ )?
+ (?P<cparam>(;[^;]+)*)?  # connection parameters block (optional)
+ @
+ (?P<host>\S+?)          # non-greedy match of the host
+ (:(?P<port>[0-9]+))?    # colon followed by the port (optional)
+ /
+ (?P<path>[^;]+)         # path on the remote system, may be absolute or relative,
+                         # and may include the use of '~' to reference the remote home
+                         # directory
+ (?P<sparam>(;[^;]+)*)?  # parameters block (optional)
+ $
+''', re.VERBOSE)
+
+class SSH(Fetch):
+    '''Class to fetch a module or modules via Secure Shell'''
+
+    def supports(self, url, urldata, d):
+        return __pattern__.match(url) != None
+
+    def localpath(self, url, urldata, d):
+        m = __pattern__.match(url)
+        path = m.group('path')
+        host = m.group('host')
+        lpath = os.path.join(data.getVar('DL_DIR', d, True), host, os.path.basename(path))
+        return lpath
+
+    def go(self, url, urldata, d):
+        dldir = data.getVar('DL_DIR', d, 1)
+
+        m = __pattern__.match(url)
+        path = m.group('path')
+        host = m.group('host')
+        port = m.group('port')
+        user = m.group('user')
+        password = m.group('pass')
+
+        ldir = os.path.join(dldir, host)
+        lpath = os.path.join(ldir, os.path.basename(path))
+
+        if not os.path.exists(ldir):
+            os.makedirs(ldir)
+
+        if port:
+            port = '-P %s' % port
+        else:
+            port = ''
+
+        if user:
+            fr = user
+            if password:
+                fr += ':%s' % password
+            fr += '@%s' % host
+        else:
+            fr = host
+        fr += ':%s' % path
+
+
+        import commands
+        cmd = 'scp -B -r %s %s %s/' % (
+            port,
+            commands.mkarg(fr),
+            commands.mkarg(ldir)
+        )
+
+        (exitstatus, output) = commands.getstatusoutput(cmd)
+        if exitstatus != 0:
+            print output
+            raise FetchError('Unable to fetch %s' % url)
diff --git a/bitbake-dev/lib/bb/fetch/svk.py b/bitbake-dev/lib/bb/fetch/svk.py
new file mode 100644
index 0000000000..d863ccb6e0
--- /dev/null
+++ b/bitbake-dev/lib/bb/fetch/svk.py
@@ -0,0 +1,109 @@
+# ex:ts=4:sw=4:sts=4:et
+# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+"""
+BitBake 'Fetch' implementations
+
+This implementation is for svk. It is based on the svn implementation
+
+"""
+
+# Copyright (C) 2006 Holger Hans Peter Freyther
+# Copyright (C) 2003, 2004  Chris Larson
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# 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.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Based on functions from the base bb module, Copyright 2003 Holger Schurig
+
+import os, re
+import bb
+from   bb import data
+from   bb.fetch import Fetch
+from   bb.fetch import FetchError
+from   bb.fetch import MissingParameterError
+
+class Svk(Fetch):
+    """Class to fetch a module or modules from svk repositories"""
+    def supports(self, url, ud, d):
+        """
+        Check to see if a given url can be fetched with cvs.
+        """
+        return ud.type in ['svk']
+
+    def localpath(self, url, ud, d):
+        if not "module" in ud.parm:
+            raise MissingParameterError("svk method needs a 'module' parameter")
+        else:
+            ud.module = ud.parm["module"]
+
+        ud.revision = ""
+        if 'rev' in ud.parm:
+            ud.revision = ud.parm['rev']
+
+        ud.localfile = data.expand('%s_%s_%s_%s_%s.tar.gz' % (ud.module.replace('/', '.'), ud.host, ud.path.replace('/', '.'), ud.revision, ud.date), d)
+
+        return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile)
+
+    def forcefetch(self, url, ud, d):
+        if (ud.date == "now"):
+            return True
+        return False
+
+    def go(self, loc, ud, d):
+        """Fetch urls"""
+
+        if not self.forcefetch(loc, ud, d) and Fetch.try_mirror(d, ud.localfile):
+            return
+
+        svkroot = ud.host + ud.path
+
+        svkcmd = "svk co -r {%s} %s/%s" % (date, svkroot, ud.module)
+
+        if ud.revision:
+            svkcmd = "svk co -r %s/%s" % (ud.revision, svkroot, ud.module)
+
+        # create temp directory
+        localdata = data.createCopy(d)
+        data.update_data(localdata)
+        bb.msg.debug(2, bb.msg.domain.Fetcher, "Fetch: creating temporary directory")
+        bb.mkdirhier(data.expand('${WORKDIR}', localdata))
+        data.setVar('TMPBASE', data.expand('${WORKDIR}/oesvk.XXXXXX', localdata), localdata)
+        tmppipe = os.popen(data.getVar('MKTEMPDIRCMD', localdata, 1) or "false")
+        tmpfile = tmppipe.readline().strip()
+        if not tmpfile:
+            bb.msg.error(bb.msg.domain.Fetcher, "Fetch: unable to create temporary directory.. make sure 'mktemp' is in the PATH.")
+            raise FetchError(ud.module)
+
+        # check out sources there
+        os.chdir(tmpfile)
+        bb.msg.note(1, bb.msg.domain.Fetcher, "Fetch " + loc)
+        bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % svkcmd)
+        myret = os.system(svkcmd)
+        if myret != 0:
+            try:
+                os.rmdir(tmpfile)
+            except OSError:
+                pass
+            raise FetchError(ud.module)
+
+        os.chdir(os.path.join(tmpfile, os.path.dirname(ud.module)))
+        # tar them up to a defined filename
+        myret = os.system("tar -czf %s %s" % (ud.localpath, os.path.basename(ud.module)))
+        if myret != 0:
+            try:
+                os.unlink(ud.localpath)
+            except OSError:
+                pass
+            raise FetchError(ud.module)
+        # cleanup
+        os.system('rm -rf %s' % tmpfile)
diff --git a/bitbake-dev/lib/bb/fetch/svn.py b/bitbake-dev/lib/bb/fetch/svn.py
new file mode 100644
index 0000000000..5e5b31b3ad
--- /dev/null
+++ b/bitbake-dev/lib/bb/fetch/svn.py
@@ -0,0 +1,204 @@
+# ex:ts=4:sw=4:sts=4:et
+# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+"""
+BitBake 'Fetch' implementation for svn.
+
+"""
+
+# Copyright (C) 2003, 2004  Chris Larson
+# Copyright (C) 2004        Marcin Juszkiewicz
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# 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.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Based on functions from the base bb module, Copyright 2003 Holger Schurig
+
+import os, re
+import sys
+import bb
+from   bb import data
+from   bb.fetch import Fetch
+from   bb.fetch import FetchError
+from   bb.fetch import MissingParameterError
+from   bb.fetch import runfetchcmd
+
+class Svn(Fetch):
+    """Class to fetch a module or modules from svn repositories"""
+    def supports(self, url, ud, d):
+        """
+        Check to see if a given url can be fetched with svn.
+        """
+        return ud.type in ['svn']
+
+    def localpath(self, url, ud, d):
+        if not "module" in ud.parm:
+            raise MissingParameterError("svn method needs a 'module' parameter")
+
+        ud.module = ud.parm["module"]
+
+        # Create paths to svn checkouts
+        relpath = ud.path
+        if relpath.startswith('/'):
+            # Remove leading slash as os.path.join can't cope
+            relpath = relpath[1:]
+        ud.pkgdir = os.path.join(data.expand('${SVNDIR}', d), ud.host, relpath)
+        ud.moddir = os.path.join(ud.pkgdir, ud.module)
+
+        if 'rev' in ud.parm:
+            ud.date = ""
+            ud.revision = ud.parm['rev']
+        elif 'date' in ud.date:
+            ud.date = ud.parm['date']
+            ud.revision = ""
+        else:
+            #
+            # ***Nasty hack***
+            # If DATE in unexpanded PV, use ud.date (which is set from SRCDATE)
+            # Should warn people to switch to SRCREV here
+            #
+            pv = data.getVar("PV", d, 0)
+            if "DATE" in pv:
+                ud.revision = ""
+            else:
+                rev = Fetch.srcrev_internal_helper(ud, d)
+                if rev is True:
+                    ud.revision = self.latest_revision(url, ud, d)
+                    ud.date = ""
+                elif rev:
+                    ud.revision = rev
+                    ud.date = ""
+                else:
+                    ud.revision = ""            
+
+        ud.localfile = data.expand('%s_%s_%s_%s_%s.tar.gz' % (ud.module.replace('/', '.'), ud.host, ud.path.replace('/', '.'), ud.revision, ud.date), d)
+
+        return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile)
+
+    def _buildsvncommand(self, ud, d, command):
+        """
+        Build up an svn commandline based on ud
+        command is "fetch", "update", "info"
+        """
+
+        basecmd = data.expand('${FETCHCMD_svn}', d)
+
+        proto = "svn"
+        if "proto" in ud.parm:
+            proto = ud.parm["proto"]
+
+        svn_rsh = None
+        if proto == "svn+ssh" and "rsh" in ud.parm:
+            svn_rsh = ud.parm["rsh"]
+
+        svnroot = ud.host + ud.path
+
+        # either use the revision, or SRCDATE in braces,
+        options = []
+
+        if ud.user:
+            options.append("--username %s" % ud.user)
+
+        if ud.pswd:
+            options.append("--password %s" % ud.pswd)
+
+        if command is "info":
+            svncmd = "%s info %s %s://%s/%s/" % (basecmd, " ".join(options), proto, svnroot, ud.module)
+        else:
+            if ud.revision:
+                options.append("-r %s" % ud.revision)
+            elif ud.date:
+                options.append("-r {%s}" % ud.date)
+
+            if command is "fetch":
+                svncmd = "%s co %s %s://%s/%s %s" % (basecmd, " ".join(options), proto, svnroot, ud.module, ud.module)
+            elif command is "update":
+                svncmd = "%s update %s" % (basecmd, " ".join(options))
+            else:
+                raise FetchError("Invalid svn command %s" % command)
+
+        if svn_rsh:
+            svncmd = "svn_RSH=\"%s\" %s" % (svn_rsh, svncmd)
+
+        return svncmd
+
+    def go(self, loc, ud, d):
+        """Fetch url"""
+
+        # try to use the tarball stash
+        if Fetch.try_mirror(d, ud.localfile):
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "%s already exists or was mirrored, skipping svn checkout." % ud.localpath)
+            return
+
+        bb.msg.debug(2, bb.msg.domain.Fetcher, "Fetch: checking for module directory '" + ud.moddir + "'")
+
+        if os.access(os.path.join(ud.moddir, '.svn'), os.R_OK):
+            svnupdatecmd = self._buildsvncommand(ud, d, "update")
+            bb.msg.note(1, bb.msg.domain.Fetcher, "Update " + loc)
+            # update sources there
+            os.chdir(ud.moddir)
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % svnupdatecmd)
+            runfetchcmd(svnupdatecmd, d)
+        else:
+            svnfetchcmd = self._buildsvncommand(ud, d, "fetch")
+            bb.msg.note(1, bb.msg.domain.Fetcher, "Fetch " + loc)
+            # check out sources there
+            bb.mkdirhier(ud.pkgdir)
+            os.chdir(ud.pkgdir)
+            bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % svnfetchcmd)
+            runfetchcmd(svnfetchcmd, d)
+
+        os.chdir(ud.pkgdir)
+        # tar them up to a defined filename
+        try:
+            runfetchcmd("tar -czf %s %s" % (ud.localpath, ud.module), d)
+        except:
+            t, v, tb = sys.exc_info()
+            try:
+                os.unlink(ud.localpath)
+            except OSError:
+                pass
+            raise t, v, tb
+
+    def suppports_srcrev(self):
+        return True
+
+    def _revision_key(self, url, ud, d):
+        """
+        Return a unique key for the url
+        """
+        return "svn:" + ud.moddir
+
+    def _latest_revision(self, url, ud, d):
+        """
+        Return the latest upstream revision number
+        """
+        bb.msg.debug(2, bb.msg.domain.Fetcher, "SVN fetcher hitting network for %s" % url)
+
+        output = runfetchcmd("LANG=C LC_ALL=C " + self._buildsvncommand(ud, d, "info"), d, True)
+
+        revision = None
+        for line in output.splitlines():
+            if "Last Changed Rev" in line:
+                revision = line.split(":")[1].strip()
+
+        return revision
+
+    def _sortable_revision(self, url, ud, d):
+        """
+        Return a sortable revision number which in our case is the revision number
+        """
+
+        return self._build_revision(url, ud, d)
+
+    def _build_revision(self, url, ud, d):
+        return ud.revision
diff --git a/bitbake-dev/lib/bb/fetch/wget.py b/bitbake-dev/lib/bb/fetch/wget.py
new file mode 100644
index 0000000000..739d5a1bc6
--- /dev/null
+++ b/bitbake-dev/lib/bb/fetch/wget.py
@@ -0,0 +1,105 @@
+# ex:ts=4:sw=4:sts=4:et
+# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
+"""
+BitBake 'Fetch' implementations
+
+Classes for obtaining upstream sources for the
+BitBake build tools.
+
+"""
+
+# Copyright (C) 2003, 2004  Chris Larson
+#
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License version 2 as
+# published by the Free Software Foundation.
+#
+# 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.,
+# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+#
+# Based on functions from the base bb module, Copyright 2003 Holger Schurig
+
+import os, re
+import bb
+from   bb import data
+from   bb.fetch import Fetch
+from   bb.fetch import FetchError
+from   bb.fetch import uri_replace
+
+class Wget(Fetch):
+    """Class to fetch urls via 'wget'"""
+    def supports(self, url, ud, d):
+        """
+        Check to see if a given url can be fetched with cvs.
+        """
+        return ud.type in ['http','https','ftp']
+
+    def localpath(self, url, ud, d):
+
+        url = bb.encodeurl([ud.type, ud.host, ud.path, ud.user, ud.pswd, {}])
+        ud.basename = os.path.basename(ud.path)
+        ud.localfile = data.expand(os.path.basename(url), d)
+
+        return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile)
+
+    def go(self, uri, ud, d, checkonly = False):
+        """Fetch urls"""
+
+        def fetch_uri(uri, ud, d):
+            if checkonly:
+                fetchcmd = data.getVar("CHECKCOMMAND", d, 1)
+            elif os.path.exists(ud.localpath):
+                # file exists, but we didnt complete it.. trying again..
+                fetchcmd = data.getVar("RESUMECOMMAND", d, 1)
+            else:
+                fetchcmd = data.getVar("FETCHCOMMAND", d, 1)
+
+            bb.msg.note(1, bb.msg.domain.Fetcher, "fetch " + uri)
+            fetchcmd = fetchcmd.replace("${URI}", uri)
+            fetchcmd = fetchcmd.replace("${FILE}", ud.basename)
+            bb.msg.debug(2, bb.msg.domain.Fetcher, "executing " + fetchcmd)
+            ret = os.system(fetchcmd)
+            if ret != 0:
+                return False
+
+            # Sanity check since wget can pretend it succeed when it didn't
+            # Also, this used to happen if sourceforge sent us to the mirror page
+            if not os.path.exists(ud.localpath):
+                bb.msg.debug(2, bb.msg.domain.Fetcher, "The fetch command for %s returned success but %s doesn't exist?..." % (uri, ud.localpath))
+                return False
+
+            return True
+
+        localdata = data.createCopy(d)
+        data.setVar('OVERRIDES', "wget:" + data.getVar('OVERRIDES', localdata), localdata)
+        data.update_data(localdata)
+
+        premirrors = [ i.split() for i in (data.getVar('PREMIRRORS', localdata, 1) or "").split('\n') if i ]
+        for (find, replace) in premirrors:
+            newuri = uri_replace(uri, find, replace, d)
+            if newuri != uri:
+                if fetch_uri(newuri, ud, localdata):
+                    return True
+
+        if fetch_uri(uri, ud, localdata):
+            return True
+
+        # try mirrors
+        mirrors = [ i.split() for i in (data.getVar('MIRRORS', localdata, 1) or "").split('\n') if i ]
+        for (find, replace) in mirrors:
+            newuri = uri_replace(uri, find, replace, d)
+            if newuri != uri:
+                if fetch_uri(newuri, ud, localdata):
+                    return True
+
+        raise FetchError(uri)
+
+
+    def checkstatus(self, uri, ud, d):
+        return self.go(uri, ud, d, True)