mirror of
git://git.yoctoproject.org/poky.git
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79834a7144
This adds the SPDX-License-Identifier license headers to the majority of our source files to make it clearer exactly which license files are under. The bulk of the files are under GPL v2.0 with one found to be under V2.0 or later, some under MIT and some have dual license. There are some files which are potentially harder to classify where we've imported upstream code and those can be handled specifically in later commits. The COPYING file is replaced with LICENSE.X files which contain the full license texts. (Bitbake rev: ff237c33337f4da2ca06c3a2c49699bc26608a6b) Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
228 lines
9.1 KiB
Python
228 lines
9.1 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' git submodules implementation
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Inherits from and extends the Git fetcher to retrieve submodules of a git repository
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after cloning.
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SRC_URI = "gitsm://<see Git fetcher for syntax>"
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See the Git fetcher, git://, for usage documentation.
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NOTE: Switching a SRC_URI from "git://" to "gitsm://" requires a clean of your recipe.
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"""
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# Copyright (C) 2013 Richard Purdie
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#
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# SPDX-License-Identifier: GPL-2.0-only
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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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import os
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import bb
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import copy
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from bb.fetch2.git import Git
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from bb.fetch2 import runfetchcmd
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from bb.fetch2 import logger
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from bb.fetch2 import Fetch
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from bb.fetch2 import BBFetchException
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class GitSM(Git):
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def supports(self, ud, d):
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"""
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Check to see if a given url can be fetched with git.
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"""
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return ud.type in ['gitsm']
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def process_submodules(self, ud, workdir, function, d):
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"""
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Iterate over all of the submodules in this repository and execute
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the 'function' for each of them.
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"""
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submodules = []
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paths = {}
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revision = {}
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uris = {}
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subrevision = {}
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def parse_gitmodules(gitmodules):
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modules = {}
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module = ""
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for line in gitmodules.splitlines():
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if line.startswith('[submodule'):
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module = line.split('"')[1]
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modules[module] = {}
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elif module and line.strip().startswith('path'):
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path = line.split('=')[1].strip()
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modules[module]['path'] = path
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elif module and line.strip().startswith('url'):
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url = line.split('=')[1].strip()
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modules[module]['url'] = url
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return modules
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# Collect the defined submodules, and their attributes
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for name in ud.names:
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try:
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gitmodules = runfetchcmd("%s show %s:.gitmodules" % (ud.basecmd, ud.revisions[name]), d, quiet=True, workdir=workdir)
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except:
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# No submodules to update
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continue
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for m, md in parse_gitmodules(gitmodules).items():
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try:
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module_hash = runfetchcmd("%s ls-tree -z -d %s %s" % (ud.basecmd, ud.revisions[name], md['path']), d, quiet=True, workdir=workdir)
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except:
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# If the command fails, we don't have a valid file to check. If it doesn't
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# fail -- it still might be a failure, see next check...
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module_hash = ""
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if not module_hash:
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logger.debug(1, "submodule %s is defined, but is not initialized in the repository. Skipping", m)
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continue
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submodules.append(m)
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paths[m] = md['path']
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revision[m] = ud.revisions[name]
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uris[m] = md['url']
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subrevision[m] = module_hash.split()[2]
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# Convert relative to absolute uri based on parent uri
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if uris[m].startswith('..'):
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newud = copy.copy(ud)
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newud.path = os.path.realpath(os.path.join(newud.path, uris[m]))
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uris[m] = Git._get_repo_url(self, newud)
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for module in submodules:
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# Translate the module url into a SRC_URI
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if "://" in uris[module]:
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# Properly formated URL already
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proto = uris[module].split(':', 1)[0]
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url = uris[module].replace('%s:' % proto, 'gitsm:', 1)
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else:
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if ":" in uris[module]:
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# Most likely an SSH style reference
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proto = "ssh"
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if ":/" in uris[module]:
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# Absolute reference, easy to convert..
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url = "gitsm://" + uris[module].replace(':/', '/', 1)
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else:
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# Relative reference, no way to know if this is right!
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logger.warning("Submodule included by %s refers to relative ssh reference %s. References may fail if not absolute." % (ud.url, uris[module]))
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url = "gitsm://" + uris[module].replace(':', '/', 1)
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else:
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# This has to be a file reference
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proto = "file"
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url = "gitsm://" + uris[module]
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url += ';protocol=%s' % proto
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url += ";name=%s" % module
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url += ";subpath=%s" % paths[module]
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ld = d.createCopy()
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# Not necessary to set SRC_URI, since we're passing the URI to
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# Fetch.
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#ld.setVar('SRC_URI', url)
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ld.setVar('SRCREV_%s' % module, subrevision[module])
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# Workaround for issues with SRCPV/SRCREV_FORMAT errors
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# error refer to 'multiple' repositories. Only the repository
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# in the original SRC_URI actually matters...
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ld.setVar('SRCPV', d.getVar('SRCPV'))
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ld.setVar('SRCREV_FORMAT', module)
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function(ud, url, module, paths[module], ld)
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return submodules != []
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def need_update(self, ud, d):
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if Git.need_update(self, ud, d):
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return True
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try:
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# Check for the nugget dropped by the download operation
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known_srcrevs = runfetchcmd("%s config --get-all bitbake.srcrev" % \
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(ud.basecmd), d, workdir=ud.clonedir)
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if ud.revisions[ud.names[0]] not in known_srcrevs.split():
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return True
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except bb.fetch2.FetchError:
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# No srcrev nuggets, so this is new and needs to be updated
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return True
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return False
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def download(self, ud, d):
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def download_submodule(ud, url, module, modpath, d):
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url += ";bareclone=1;nobranch=1"
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# Is the following still needed?
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#url += ";nocheckout=1"
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try:
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newfetch = Fetch([url], d, cache=False)
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newfetch.download()
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# Drop a nugget to add each of the srcrevs we've fetched (used by need_update)
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runfetchcmd("%s config --add bitbake.srcrev %s" % \
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(ud.basecmd, ud.revisions[ud.names[0]]), d, workdir=ud.clonedir)
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except Exception as e:
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logger.error('gitsm: submodule download failed: %s %s' % (type(e).__name__, str(e)))
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raise
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Git.download(self, ud, d)
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self.process_submodules(ud, ud.clonedir, download_submodule, d)
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def unpack(self, ud, destdir, d):
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def unpack_submodules(ud, url, module, modpath, d):
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url += ";bareclone=1;nobranch=1"
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# Figure out where we clone over the bare submodules...
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if ud.bareclone:
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repo_conf = ud.destdir
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else:
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repo_conf = os.path.join(ud.destdir, '.git')
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try:
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newfetch = Fetch([url], d, cache=False)
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newfetch.unpack(root=os.path.dirname(os.path.join(repo_conf, 'modules', modpath)))
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except Exception as e:
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logger.error('gitsm: submodule unpack failed: %s %s' % (type(e).__name__, str(e)))
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raise
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local_path = newfetch.localpath(url)
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# Correct the submodule references to the local download version...
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runfetchcmd("%(basecmd)s config submodule.%(module)s.url %(url)s" % {'basecmd': ud.basecmd, 'module': module, 'url' : local_path}, d, workdir=ud.destdir)
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if ud.shallow:
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runfetchcmd("%(basecmd)s config submodule.%(module)s.shallow true" % {'basecmd': ud.basecmd, 'module': module}, d, workdir=ud.destdir)
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# Ensure the submodule repository is NOT set to bare, since we're checking it out...
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try:
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runfetchcmd("%s config core.bare false" % (ud.basecmd), d, quiet=True, workdir=os.path.join(repo_conf, 'modules', modpath))
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except:
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logger.error("Unable to set git config core.bare to false for %s" % os.path.join(repo_conf, 'modules', modpath))
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raise
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Git.unpack(self, ud, destdir, d)
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ret = self.process_submodules(ud, ud.destdir, unpack_submodules, d)
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if not ud.bareclone and ret:
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# Run submodule update, this sets up the directories -- without touching the config
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runfetchcmd("%s submodule update --recursive --no-fetch" % (ud.basecmd), d, quiet=True, workdir=ud.destdir)
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