128 lines
4.5 KiB
Python
128 lines
4.5 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' git implementation
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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 os, re
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import bb
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from bb import data
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from bb.fetch import Fetch
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from bb.fetch import FetchError
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def prunedir(topdir):
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# Delete everything reachable from the directory named in 'topdir'.
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# CAUTION: This is dangerous!
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for root, dirs, files in os.walk(topdir, topdown=False):
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for name in files:
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os.remove(os.path.join(root, name))
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for name in dirs:
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os.rmdir(os.path.join(root, name))
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def rungitcmd(cmd,d):
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bb.msg.debug(1, bb.msg.domain.Fetcher, "Running %s" % cmd)
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# Need to export PATH as git is likely to be in metadata paths
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# rather than host provided
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pathcmd = 'export PATH=%s; %s' % (data.expand('${PATH}', d), cmd)
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myret = os.system(pathcmd)
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if myret != 0:
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raise FetchError("Git: %s failed" % pathcmd)
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class Git(Fetch):
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"""Class to fetch a module or modules from git 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 git.
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"""
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return ud.type in ['git']
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def localpath(self, url, ud, d):
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ud.proto = "rsync"
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if 'protocol' in ud.parm:
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ud.proto = ud.parm['protocol']
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ud.tag = "master"
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if 'tag' in ud.parm:
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ud.tag = ud.parm['tag']
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ud.localfile = data.expand('git_%s%s_%s.tar.gz' % (ud.host, ud.path.replace('/', '.'), ud.tag), d)
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return os.path.join(data.getVar("DL_DIR", d, True), ud.localfile)
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def forcefetch(self, url, ud, d):
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# tag=="master" must always update
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if (ud.tag == "master"):
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return True
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return False
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def go(self, loc, ud, d):
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"""Fetch url"""
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if not self.forcefetch(loc, ud, d) and Fetch.try_mirror(d, ud.localfile):
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bb.msg.debug(1, bb.msg.domain.Fetcher, "%s already exists (or was stashed). Skipping git checkout." % ud.localpath)
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return
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gitsrcname = '%s%s' % (ud.host, ud.path.replace('/', '.'))
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repofilename = 'git_%s.tar.gz' % (gitsrcname)
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repofile = os.path.join(data.getVar("DL_DIR", d, 1), repofilename)
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repodir = os.path.join(data.expand('${GITDIR}', d), gitsrcname)
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coname = '%s' % (ud.tag)
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codir = os.path.join(repodir, coname)
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if not os.path.exists(repodir):
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if Fetch.try_mirror(d, repofilename):
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bb.mkdirhier(repodir)
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os.chdir(repodir)
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rungitcmd("tar -xzf %s" % (repofile),d)
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else:
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rungitcmd("git clone -n %s://%s%s %s" % (ud.proto, ud.host, ud.path, repodir),d)
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os.chdir(repodir)
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rungitcmd("git pull %s://%s%s" % (ud.proto, ud.host, ud.path),d)
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rungitcmd("git pull --tags %s://%s%s" % (ud.proto, ud.host, ud.path),d)
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rungitcmd("git prune-packed", d)
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rungitcmd("git pack-redundant --all | xargs -r rm", d)
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# Remove all but the .git directory
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rungitcmd("rm * -Rf", d)
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# old method of downloading tags
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#rungitcmd("rsync -a --verbose --stats --progress rsync://%s%s/ %s" % (ud.host, ud.path, os.path.join(repodir, ".git", "")),d)
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os.chdir(repodir)
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bb.msg.note(1, bb.msg.domain.Fetcher, "Creating tarball of git repository")
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rungitcmd("tar -czf %s %s" % (repofile, os.path.join(".", ".git", "*") ),d)
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if os.path.exists(codir):
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prunedir(codir)
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bb.mkdirhier(codir)
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os.chdir(repodir)
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rungitcmd("git read-tree %s" % (ud.tag),d)
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rungitcmd("git checkout-index -q -f --prefix=%s -a" % (os.path.join(codir, "git", "")),d)
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os.chdir(codir)
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bb.msg.note(1, bb.msg.domain.Fetcher, "Creating tarball of git checkout")
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rungitcmd("tar -czf %s %s" % (ud.localpath, os.path.join(".", "*") ),d)
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