490 lines
19 KiB
Python
490 lines
19 KiB
Python
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# 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 implementation
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git fetcher support the SRC_URI with format of:
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SRC_URI = "git://some.host/somepath;OptionA=xxx;OptionB=xxx;..."
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Supported SRC_URI options are:
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- branch
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The git branch to retrieve from. The default is "master"
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This option also supports multiple branch fetching, with branches
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separated by commas. In multiple branches case, the name option
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must have the same number of names to match the branches, which is
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used to specify the SRC_REV for the branch
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e.g:
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SRC_URI="git://some.host/somepath;branch=branchX,branchY;name=nameX,nameY"
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SRCREV_nameX = "xxxxxxxxxxxxxxxxxxxx"
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SRCREV_nameY = "YYYYYYYYYYYYYYYYYYYY"
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- tag
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The git tag to retrieve. The default is "master"
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- protocol
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The method to use to access the repository. Common options are "git",
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"http", "https", "file", "ssh" and "rsync". The default is "git".
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- rebaseable
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rebaseable indicates that the upstream git repo may rebase in the future,
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and current revision may disappear from upstream repo. This option will
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remind fetcher to preserve local cache carefully for future use.
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The default value is "0", set rebaseable=1 for rebaseable git repo.
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- nocheckout
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Don't checkout source code when unpacking. set this option for the recipe
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who has its own routine to checkout code.
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The default is "0", set nocheckout=1 if needed.
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- bareclone
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Create a bare clone of the source code and don't checkout the source code
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when unpacking. Set this option for the recipe who has its own routine to
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checkout code and tracking branch requirements.
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The default is "0", set bareclone=1 if needed.
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- nobranch
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Don't check the SHA validation for branch. set this option for the recipe
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referring to commit which is valid in tag instead of branch.
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The default is "0", set nobranch=1 if needed.
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- usehead
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For local git:// urls to use the current branch HEAD as the revsion for use with
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AUTOREV. Implies nobranch.
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"""
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#Copyright (C) 2005 Richard Purdie
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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 errno
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import os
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import re
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import bb
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import errno
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import bb.progress
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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 runfetchcmd
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from bb.fetch2 import logger
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class GitProgressHandler(bb.progress.LineFilterProgressHandler):
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"""Extract progress information from git output"""
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def __init__(self, d):
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self._buffer = ''
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self._count = 0
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super(GitProgressHandler, self).__init__(d)
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# Send an initial progress event so the bar gets shown
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self._fire_progress(-1)
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def write(self, string):
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self._buffer += string
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stages = ['Counting objects', 'Compressing objects', 'Receiving objects', 'Resolving deltas']
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stage_weights = [0.2, 0.05, 0.5, 0.25]
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stagenum = 0
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for i, stage in reversed(list(enumerate(stages))):
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if stage in self._buffer:
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stagenum = i
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self._buffer = ''
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break
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self._status = stages[stagenum]
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percs = re.findall(r'(\d+)%', string)
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if percs:
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progress = int(round((int(percs[-1]) * stage_weights[stagenum]) + (sum(stage_weights[:stagenum]) * 100)))
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rates = re.findall(r'([\d.]+ [a-zA-Z]*/s+)', string)
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if rates:
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rate = rates[-1]
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else:
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rate = None
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self.update(progress, rate)
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else:
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if stagenum == 0:
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percs = re.findall(r': (\d+)', string)
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if percs:
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count = int(percs[-1])
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if count > self._count:
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self._count = count
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self._fire_progress(-count)
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super(GitProgressHandler, self).write(string)
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class Git(FetchMethod):
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"""Class to fetch a module or modules from git repositories"""
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def init(self, d):
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pass
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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 ['git']
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def supports_checksum(self, urldata):
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return False
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def urldata_init(self, ud, d):
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"""
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init git specific variable within url data
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so that the git method like latest_revision() can work
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"""
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if 'protocol' in ud.parm:
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ud.proto = ud.parm['protocol']
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elif not ud.host:
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ud.proto = 'file'
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else:
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ud.proto = "git"
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if not ud.proto in ('git', 'file', 'ssh', 'http', 'https', 'rsync'):
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raise bb.fetch2.ParameterError("Invalid protocol type", ud.url)
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ud.nocheckout = ud.parm.get("nocheckout","0") == "1"
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ud.rebaseable = ud.parm.get("rebaseable","0") == "1"
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ud.nobranch = ud.parm.get("nobranch","0") == "1"
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# usehead implies nobranch
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ud.usehead = ud.parm.get("usehead","0") == "1"
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if ud.usehead:
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if ud.proto != "file":
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raise bb.fetch2.ParameterError("The usehead option is only for use with local ('protocol=file') git repositories", ud.url)
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ud.nobranch = 1
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# bareclone implies nocheckout
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ud.bareclone = ud.parm.get("bareclone","0") == "1"
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if ud.bareclone:
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ud.nocheckout = 1
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ud.unresolvedrev = {}
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branches = ud.parm.get("branch", "master").split(',')
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if len(branches) != len(ud.names):
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raise bb.fetch2.ParameterError("The number of name and branch parameters is not balanced", ud.url)
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ud.branches = {}
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for name in ud.names:
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branch = branches[ud.names.index(name)]
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ud.branches[name] = branch
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ud.unresolvedrev[name] = branch
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if ud.usehead:
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ud.unresolvedrev['default'] = 'HEAD'
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ud.basecmd = data.getVar("FETCHCMD_git", d, True) or "git -c core.fsyncobjectfiles=0"
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ud.write_tarballs = ((data.getVar("BB_GENERATE_MIRROR_TARBALLS", d, True) or "0") != "0") or ud.rebaseable
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ud.setup_revisons(d)
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for name in ud.names:
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# Ensure anything that doesn't look like a sha256 checksum/revision is translated into one
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if not ud.revisions[name] or len(ud.revisions[name]) != 40 or (False in [c in "abcdef0123456789" for c in ud.revisions[name]]):
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if ud.revisions[name]:
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ud.unresolvedrev[name] = ud.revisions[name]
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ud.revisions[name] = self.latest_revision(ud, d, name)
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gitsrcname = '%s%s' % (ud.host.replace(':', '.'), ud.path.replace('/', '.').replace('*', '.'))
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if gitsrcname.startswith('.'):
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gitsrcname = gitsrcname[1:]
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# for rebaseable git repo, it is necessary to keep mirror tar ball
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# per revision, so that even the revision disappears from the
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# upstream repo in the future, the mirror will remain intact and still
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# contains the revision
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if ud.rebaseable:
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for name in ud.names:
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gitsrcname = gitsrcname + '_' + ud.revisions[name]
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ud.mirrortarball = 'git2_%s.tar.gz' % (gitsrcname)
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ud.fullmirror = os.path.join(d.getVar("DL_DIR", True), ud.mirrortarball)
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gitdir = d.getVar("GITDIR", True) or (d.getVar("DL_DIR", True) + "/git2/")
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ud.clonedir = os.path.join(gitdir, gitsrcname)
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ud.localfile = ud.clonedir
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def localpath(self, ud, d):
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return ud.clonedir
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def need_update(self, ud, d):
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if not os.path.exists(ud.clonedir):
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return True
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for name in ud.names:
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if not self._contains_ref(ud, d, name, ud.clonedir):
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return True
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if ud.write_tarballs and not os.path.exists(ud.fullmirror):
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return True
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return False
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def try_premirror(self, ud, d):
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# If we don't do this, updating an existing checkout with only premirrors
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# is not possible
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if d.getVar("BB_FETCH_PREMIRRORONLY", True) is not None:
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return True
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if os.path.exists(ud.clonedir):
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return False
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return True
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def download(self, ud, d):
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"""Fetch url"""
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# If the checkout doesn't exist and the mirror tarball does, extract it
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if not os.path.exists(ud.clonedir) and os.path.exists(ud.fullmirror):
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bb.utils.mkdirhier(ud.clonedir)
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runfetchcmd("tar -xzf %s" % (ud.fullmirror), d, workdir=ud.clonedir)
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repourl = self._get_repo_url(ud)
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# If the repo still doesn't exist, fallback to cloning it
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if not os.path.exists(ud.clonedir):
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# We do this since git will use a "-l" option automatically for local urls where possible
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if repourl.startswith("file://"):
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repourl = repourl[7:]
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clone_cmd = "LANG=C %s clone --bare --mirror %s %s --progress" % (ud.basecmd, repourl, ud.clonedir)
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if ud.proto.lower() != 'file':
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bb.fetch2.check_network_access(d, clone_cmd)
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progresshandler = GitProgressHandler(d)
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runfetchcmd(clone_cmd, d, log=progresshandler)
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# Update the checkout if needed
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needupdate = False
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for name in ud.names:
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if not self._contains_ref(ud, d, name, ud.clonedir):
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needupdate = True
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if needupdate:
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try:
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runfetchcmd("%s remote rm origin" % ud.basecmd, d, workdir=ud.clonedir)
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except bb.fetch2.FetchError:
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logger.debug(1, "No Origin")
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runfetchcmd("%s remote add --mirror=fetch origin %s" % (ud.basecmd, repourl), d, workdir=ud.clonedir)
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fetch_cmd = "LANG=C %s fetch -f --prune --progress %s refs/*:refs/*" % (ud.basecmd, repourl)
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if ud.proto.lower() != 'file':
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bb.fetch2.check_network_access(d, fetch_cmd, ud.url)
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progresshandler = GitProgressHandler(d)
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runfetchcmd(fetch_cmd, d, log=progresshandler, workdir=ud.clonedir)
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runfetchcmd("%s prune-packed" % ud.basecmd, d, workdir=ud.clonedir)
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runfetchcmd("%s pack-redundant --all | xargs -r rm" % ud.basecmd, d, workdir=ud.clonedir)
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try:
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os.unlink(ud.fullmirror)
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except OSError as exc:
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if exc.errno != errno.ENOENT:
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raise
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for name in ud.names:
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if not self._contains_ref(ud, d, name, ud.clonedir):
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raise bb.fetch2.FetchError("Unable to find revision %s in branch %s even from upstream" % (ud.revisions[name], ud.branches[name]))
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def build_mirror_data(self, ud, d):
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# Generate a mirror tarball if needed
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if ud.write_tarballs and not os.path.exists(ud.fullmirror):
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# it's possible that this symlink points to read-only filesystem with PREMIRROR
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if os.path.islink(ud.fullmirror):
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os.unlink(ud.fullmirror)
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logger.info("Creating tarball of git repository")
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runfetchcmd("tar -czf %s %s" % (ud.fullmirror, os.path.join(".") ), d, workdir=ud.clonedir)
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runfetchcmd("touch %s.done" % (ud.fullmirror), d, workdir=ud.clonedir)
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def unpack(self, ud, destdir, d):
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""" unpack the downloaded src to destdir"""
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subdir = ud.parm.get("subpath", "")
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if subdir != "":
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readpathspec = ":%s" % (subdir)
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def_destsuffix = "%s/" % os.path.basename(subdir.rstrip('/'))
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else:
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readpathspec = ""
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def_destsuffix = "git/"
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destsuffix = ud.parm.get("destsuffix", def_destsuffix)
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destdir = ud.destdir = os.path.join(destdir, destsuffix)
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if os.path.exists(destdir):
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bb.utils.prunedir(destdir)
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cloneflags = "-s -n"
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if ud.bareclone:
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cloneflags += " --mirror"
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runfetchcmd("%s clone %s %s/ %s" % (ud.basecmd, cloneflags, ud.clonedir, destdir), d)
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repourl = self._get_repo_url(ud)
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runfetchcmd("%s remote set-url origin %s" % (ud.basecmd, repourl), d, workdir=destdir)
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if not ud.nocheckout:
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if subdir != "":
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runfetchcmd("%s read-tree %s%s" % (ud.basecmd, ud.revisions[ud.names[0]], readpathspec), d,
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workdir=destdir)
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runfetchcmd("%s checkout-index -q -f -a" % ud.basecmd, d, workdir=destdir)
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elif not ud.nobranch:
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branchname = ud.branches[ud.names[0]]
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runfetchcmd("%s checkout -B %s %s" % (ud.basecmd, branchname, \
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ud.revisions[ud.names[0]]), d, workdir=destdir)
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runfetchcmd("%s branch --set-upstream %s origin/%s" % (ud.basecmd, branchname, \
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branchname), d, workdir=destdir)
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else:
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runfetchcmd("%s checkout %s" % (ud.basecmd, ud.revisions[ud.names[0]]), d, workdir=destdir)
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return True
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def clean(self, ud, d):
|
||
|
|
""" clean the git directory """
|
||
|
|
|
||
|
|
bb.utils.remove(ud.localpath, True)
|
||
|
|
bb.utils.remove(ud.fullmirror)
|
||
|
|
bb.utils.remove(ud.fullmirror + ".done")
|
||
|
|
|
||
|
|
def supports_srcrev(self):
|
||
|
|
return True
|
||
|
|
|
||
|
|
def _contains_ref(self, ud, d, name, wd):
|
||
|
|
cmd = ""
|
||
|
|
if ud.nobranch:
|
||
|
|
cmd = "%s log --pretty=oneline -n 1 %s -- 2> /dev/null | wc -l" % (
|
||
|
|
ud.basecmd, ud.revisions[name])
|
||
|
|
else:
|
||
|
|
cmd = "%s branch --contains %s --list %s 2> /dev/null | wc -l" % (
|
||
|
|
ud.basecmd, ud.revisions[name], ud.branches[name])
|
||
|
|
try:
|
||
|
|
output = runfetchcmd(cmd, d, quiet=True, workdir=wd)
|
||
|
|
except bb.fetch2.FetchError:
|
||
|
|
return False
|
||
|
|
if len(output.split()) > 1:
|
||
|
|
raise bb.fetch2.FetchError("The command '%s' gave output with more then 1 line unexpectedly, output: '%s'" % (cmd, output))
|
||
|
|
return output.split()[0] != "0"
|
||
|
|
|
||
|
|
def _get_repo_url(self, ud):
|
||
|
|
"""
|
||
|
|
Return the repository URL
|
||
|
|
"""
|
||
|
|
if ud.user:
|
||
|
|
username = ud.user + '@'
|
||
|
|
else:
|
||
|
|
username = ""
|
||
|
|
return "%s://%s%s%s" % (ud.proto, username, ud.host, ud.path)
|
||
|
|
|
||
|
|
def _revision_key(self, ud, d, name):
|
||
|
|
"""
|
||
|
|
Return a unique key for the url
|
||
|
|
"""
|
||
|
|
return "git:" + ud.host + ud.path.replace('/', '.') + ud.unresolvedrev[name]
|
||
|
|
|
||
|
|
def _lsremote(self, ud, d, search):
|
||
|
|
"""
|
||
|
|
Run git ls-remote with the specified search string
|
||
|
|
"""
|
||
|
|
repourl = self._get_repo_url(ud)
|
||
|
|
cmd = "%s ls-remote %s %s" % \
|
||
|
|
(ud.basecmd, repourl, search)
|
||
|
|
if ud.proto.lower() != 'file':
|
||
|
|
bb.fetch2.check_network_access(d, cmd)
|
||
|
|
output = runfetchcmd(cmd, d, True)
|
||
|
|
if not output:
|
||
|
|
raise bb.fetch2.FetchError("The command %s gave empty output unexpectedly" % cmd, ud.url)
|
||
|
|
return output
|
||
|
|
|
||
|
|
def _latest_revision(self, ud, d, name):
|
||
|
|
"""
|
||
|
|
Compute the HEAD revision for the url
|
||
|
|
"""
|
||
|
|
output = self._lsremote(ud, d, "")
|
||
|
|
# Tags of the form ^{} may not work, need to fallback to other form
|
||
|
|
if ud.unresolvedrev[name][:5] == "refs/" or ud.usehead:
|
||
|
|
head = ud.unresolvedrev[name]
|
||
|
|
tag = ud.unresolvedrev[name]
|
||
|
|
else:
|
||
|
|
head = "refs/heads/%s" % ud.unresolvedrev[name]
|
||
|
|
tag = "refs/tags/%s" % ud.unresolvedrev[name]
|
||
|
|
for s in [head, tag + "^{}", tag]:
|
||
|
|
for l in output.strip().split('\n'):
|
||
|
|
sha1, ref = l.split()
|
||
|
|
if s == ref:
|
||
|
|
return sha1
|
||
|
|
raise bb.fetch2.FetchError("Unable to resolve '%s' in upstream git repository in git ls-remote output for %s" % \
|
||
|
|
(ud.unresolvedrev[name], ud.host+ud.path))
|
||
|
|
|
||
|
|
def latest_versionstring(self, ud, d):
|
||
|
|
"""
|
||
|
|
Compute the latest release name like "x.y.x" in "x.y.x+gitHASH"
|
||
|
|
by searching through the tags output of ls-remote, comparing
|
||
|
|
versions and returning the highest match.
|
||
|
|
"""
|
||
|
|
pupver = ('', '')
|
||
|
|
|
||
|
|
tagregex = re.compile(d.getVar('UPSTREAM_CHECK_GITTAGREGEX', True) or "(?P<pver>([0-9][\.|_]?)+)")
|
||
|
|
try:
|
||
|
|
output = self._lsremote(ud, d, "refs/tags/*")
|
||
|
|
except bb.fetch2.FetchError or bb.fetch2.NetworkAccess:
|
||
|
|
return pupver
|
||
|
|
|
||
|
|
verstring = ""
|
||
|
|
revision = ""
|
||
|
|
for line in output.split("\n"):
|
||
|
|
if not line:
|
||
|
|
break
|
||
|
|
|
||
|
|
tag_head = line.split("/")[-1]
|
||
|
|
# Ignore non-released branches
|
||
|
|
m = re.search("(alpha|beta|rc|final)+", tag_head)
|
||
|
|
if m:
|
||
|
|
continue
|
||
|
|
|
||
|
|
# search for version in the line
|
||
|
|
tag = tagregex.search(tag_head)
|
||
|
|
if tag == None:
|
||
|
|
continue
|
||
|
|
|
||
|
|
tag = tag.group('pver')
|
||
|
|
tag = tag.replace("_", ".")
|
||
|
|
|
||
|
|
if verstring and bb.utils.vercmp(("0", tag, ""), ("0", verstring, "")) < 0:
|
||
|
|
continue
|
||
|
|
|
||
|
|
verstring = tag
|
||
|
|
revision = line.split()[0]
|
||
|
|
pupver = (verstring, revision)
|
||
|
|
|
||
|
|
return pupver
|
||
|
|
|
||
|
|
def _build_revision(self, ud, d, name):
|
||
|
|
return ud.revisions[name]
|
||
|
|
|
||
|
|
def gitpkgv_revision(self, ud, d, name):
|
||
|
|
"""
|
||
|
|
Return a sortable revision number by counting commits in the history
|
||
|
|
Based on gitpkgv.bblass in meta-openembedded
|
||
|
|
"""
|
||
|
|
rev = self._build_revision(ud, d, name)
|
||
|
|
localpath = ud.localpath
|
||
|
|
rev_file = os.path.join(localpath, "oe-gitpkgv_" + rev)
|
||
|
|
if not os.path.exists(localpath):
|
||
|
|
commits = None
|
||
|
|
else:
|
||
|
|
if not os.path.exists(rev_file) or not os.path.getsize(rev_file):
|
||
|
|
from pipes import quote
|
||
|
|
commits = bb.fetch2.runfetchcmd(
|
||
|
|
"git rev-list %s -- | wc -l" % (quote(rev)),
|
||
|
|
d, quiet=True).strip().lstrip('0')
|
||
|
|
if commits:
|
||
|
|
open(rev_file, "w").write("%d\n" % int(commits))
|
||
|
|
else:
|
||
|
|
commits = open(rev_file, "r").readline(128).strip()
|
||
|
|
if commits:
|
||
|
|
return False, "%s+%s" % (commits, rev[:7])
|
||
|
|
else:
|
||
|
|
return True, str(rev)
|
||
|
|
|
||
|
|
def checkstatus(self, fetch, ud, d):
|
||
|
|
try:
|
||
|
|
self._lsremote(ud, d, "")
|
||
|
|
return True
|
||
|
|
except FetchError:
|
||
|
|
return False
|