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Diffstat (limited to 'bitbake-dev/lib/bb/fetch/git.py')
| -rw-r--r-- | bitbake-dev/lib/bb/fetch/git.py | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/bitbake-dev/lib/bb/fetch/git.py b/bitbake-dev/lib/bb/fetch/git.py new file mode 100644 index 000000000..f4ae724f8 --- /dev/null +++ b/bitbake-dev/lib/bb/fetch/git.py @@ -0,0 +1,142 @@ +# 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 + +def prunedir(topdir): + # Delete everything reachable from the directory named in 'topdir'. + # CAUTION: This is dangerous! + for root, dirs, files in os.walk(topdir, topdown=False): + for name in files: + os.remove(os.path.join(root, name)) + for name in dirs: + os.rmdir(os.path.join(root, name)) + +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): + 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) + 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 + |