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- # 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
- 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):
- bb.utils.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)
- bb.utils.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
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