188 lines
6.5 KiB
Python
188 lines
6.5 KiB
Python
# ex:ts=4:sw=4:sts=4:et
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# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*-
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"""
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BitBake 'Fetch' implementation for mercurial DRCS (hg).
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"""
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# Copyright (C) 2003, 2004 Chris Larson
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# Copyright (C) 2004 Marcin Juszkiewicz
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# Copyright (C) 2007 Robert Schuster
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License version 2 as
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# published by the Free Software Foundation.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License along
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# with this program; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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#
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# Based on functions from the base bb module, Copyright 2003 Holger Schurig
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import os
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import sys
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import logging
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import bb
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from bb import data
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from bb.fetch2 import FetchMethod
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from bb.fetch2 import FetchError
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from bb.fetch2 import MissingParameterError
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from bb.fetch2 import runfetchcmd
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from bb.fetch2 import logger
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class Hg(FetchMethod):
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"""Class to fetch from mercurial repositories"""
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def supports(self, url, ud, d):
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"""
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Check to see if a given url can be fetched with mercurial.
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"""
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return ud.type in ['hg']
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def urldata_init(self, ud, d):
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"""
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init hg specific variable within url data
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"""
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if not "module" in ud.parm:
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raise MissingParameterError('module', ud.url)
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ud.module = ud.parm["module"]
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# Create paths to mercurial checkouts
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relpath = self._strip_leading_slashes(ud.path)
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ud.pkgdir = os.path.join(data.expand('${HGDIR}', d), ud.host, relpath)
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ud.moddir = os.path.join(ud.pkgdir, ud.module)
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ud.setup_revisons(d)
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if 'rev' in ud.parm:
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ud.revision = ud.parm['rev']
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elif not ud.revision:
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ud.revision = self.latest_revision(ud.url, ud, d)
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ud.localfile = data.expand('%s_%s_%s_%s.tar.gz' % (ud.module.replace('/', '.'), ud.host, ud.path.replace('/', '.'), ud.revision), d)
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def need_update(self, url, ud, d):
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revTag = ud.parm.get('rev', 'tip')
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if revTag == "tip":
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return True
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if not os.path.exists(ud.localpath):
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return True
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return False
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def _buildhgcommand(self, ud, d, command):
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"""
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Build up an hg commandline based on ud
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command is "fetch", "update", "info"
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"""
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basecmd = data.expand('${FETCHCMD_hg}', d)
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proto = ud.parm.get('protocol', 'http')
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host = ud.host
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if proto == "file":
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host = "/"
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ud.host = "localhost"
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if not ud.user:
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hgroot = host + ud.path
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else:
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if ud.pswd:
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hgroot = ud.user + ":" + ud.pswd + "@" + host + ud.path
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else:
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hgroot = ud.user + "@" + host + ud.path
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if command == "info":
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return "%s identify -i %s://%s/%s" % (basecmd, proto, hgroot, ud.module)
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options = [];
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# Don't specify revision for the fetch; clone the entire repo.
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# This avoids an issue if the specified revision is a tag, because
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# the tag actually exists in the specified revision + 1, so it won't
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# be available when used in any successive commands.
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if ud.revision and command != "fetch":
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options.append("-r %s" % ud.revision)
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if command == "fetch":
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cmd = "%s clone %s %s://%s/%s %s" % (basecmd, " ".join(options), proto, hgroot, ud.module, ud.module)
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elif command == "pull":
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# do not pass options list; limiting pull to rev causes the local
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# repo not to contain it and immediately following "update" command
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# will crash
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if ud.user and ud.pswd:
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cmd = "%s --config auth.default.prefix=* --config auth.default.username=%s --config auth.default.password=%s --config \"auth.default.schemes=%s\" pull" % (basecmd, ud.user, ud.pswd, proto)
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else:
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cmd = "%s pull" % (basecmd)
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elif command == "update":
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cmd = "%s update -C %s" % (basecmd, " ".join(options))
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else:
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raise FetchError("Invalid hg command %s" % command, ud.url)
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return cmd
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def download(self, loc, ud, d):
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"""Fetch url"""
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logger.debug(2, "Fetch: checking for module directory '" + ud.moddir + "'")
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if os.access(os.path.join(ud.moddir, '.hg'), os.R_OK):
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updatecmd = self._buildhgcommand(ud, d, "pull")
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logger.info("Update " + loc)
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# update sources there
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os.chdir(ud.moddir)
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logger.debug(1, "Running %s", updatecmd)
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bb.fetch2.check_network_access(d, updatecmd, ud.url)
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runfetchcmd(updatecmd, d)
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else:
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fetchcmd = self._buildhgcommand(ud, d, "fetch")
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logger.info("Fetch " + loc)
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# check out sources there
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bb.utils.mkdirhier(ud.pkgdir)
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os.chdir(ud.pkgdir)
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logger.debug(1, "Running %s", fetchcmd)
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bb.fetch2.check_network_access(d, fetchcmd, ud.url)
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runfetchcmd(fetchcmd, d)
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# Even when we clone (fetch), we still need to update as hg's clone
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# won't checkout the specified revision if its on a branch
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updatecmd = self._buildhgcommand(ud, d, "update")
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os.chdir(ud.moddir)
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logger.debug(1, "Running %s", updatecmd)
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runfetchcmd(updatecmd, d)
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scmdata = ud.parm.get("scmdata", "")
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if scmdata == "keep":
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tar_flags = ""
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else:
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tar_flags = "--exclude '.hg' --exclude '.hgrags'"
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os.chdir(ud.pkgdir)
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runfetchcmd("tar %s -czf %s %s" % (tar_flags, ud.localpath, ud.module), d, cleanup = [ud.localpath])
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def supports_srcrev(self):
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return True
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def _latest_revision(self, url, ud, d, name):
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"""
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Compute tip revision for the url
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"""
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bb.fetch2.check_network_access(d, self._buildhgcommand(ud, d, "info"))
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output = runfetchcmd(self._buildhgcommand(ud, d, "info"), d)
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return output.strip()
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def _build_revision(self, url, ud, d, name):
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return ud.revision
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def _revision_key(self, url, ud, d, name):
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"""
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Return a unique key for the url
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"""
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return "hg:" + ud.moddir
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