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Diffstat (limited to 'bitbake/lib/bb/fetch/git.py')
| -rw-r--r-- | bitbake/lib/bb/fetch/git.py | 165 |
1 files changed, 165 insertions, 0 deletions
diff --git a/bitbake/lib/bb/fetch/git.py b/bitbake/lib/bb/fetch/git.py new file mode 100644 index 0000000000..296b926392 --- /dev/null +++ b/bitbake/lib/bb/fetch/git.py @@ -0,0 +1,165 @@ +#!/usr/bin/env python +# 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 as published by the Free Software +Foundation; either version 2 of the License, or (at your option) any later +version. + +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., 59 Temple +Place, Suite 330, Boston, MA 02111-1307 USA. +""" + +import os, re +import bb +from bb import data +from bb.fetch import Fetch +from bb.fetch import FetchError + +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)) + +def rungitcmd(cmd,d): + + bb.debug(1, "Running %s" % cmd) + + # Need to export PATH as git is likely to be in metadata paths + # rather than host provided + pathcmd = 'export PATH=%s; %s' % (data.expand('${PATH}', d), cmd) + + myret = os.system(pathcmd) + + if myret != 0: + raise FetchError("Git: %s failed" % pathcmd) + +def gettag(parm): + if 'tag' in parm: + tag = parm['tag'] + else: + tag = "" + if not tag: + tag = "master" + + return tag + +class Git(Fetch): + """Class to fetch a module or modules from git repositories""" + def supports(url, d): + """Check to see if a given url can be fetched with cvs. + Expects supplied url in list form, as outputted by bb.decodeurl(). + """ + (type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d)) + return type in ['git'] + supports = staticmethod(supports) + + def localpath(url, d): + (type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(url, d)) + + #if user sets localpath for file, use it instead. + if "localpath" in parm: + return parm["localpath"] + + tag = gettag(parm) + + localname = data.expand('git_%s%s_%s.tar.gz' % (host, path.replace('/', '.'), tag), d) + + return os.path.join(data.getVar("DL_DIR", d, 1),data.expand('%s' % (localname), d)) + + localpath = staticmethod(localpath) + + def go(self, d, urls = []): + """Fetch urls""" + if not urls: + urls = self.urls + + for loc in urls: + (type, host, path, user, pswd, parm) = bb.decodeurl(data.expand(loc, d)) + + tag = gettag(parm) + + gitsrcname = '%s%s' % (host, path.replace('/', '.')) + + repofile = os.path.join(data.getVar("DL_DIR", d, 1), 'git_%s.tar.gz' % (gitsrcname)) + repodir = os.path.join(data.expand('${GITDIR}', d), gitsrcname) + + coname = '%s' % (tag) + codir = os.path.join(repodir, coname) + + cofile = self.localpath(loc, d) + + # Always update to current if tag=="master" + #if os.access(cofile, os.R_OK) and (tag != "master"): + if os.access(cofile, os.R_OK): + bb.debug(1, "%s already exists, skipping git checkout." % cofile) + continue + +# Still Need to add GIT_TARBALL_STASH Support... +# pn = data.getVar('PN', d, 1) +# cvs_tarball_stash = None +# if pn: +# cvs_tarball_stash = data.getVar('CVS_TARBALL_STASH_%s' % pn, d, 1) +# if cvs_tarball_stash == None: +# cvs_tarball_stash = data.getVar('CVS_TARBALL_STASH', d, 1) +# if cvs_tarball_stash: +# fetchcmd = data.getVar("FETCHCOMMAND_wget", d, 1) +# uri = cvs_tarball_stash + tarfn +# bb.note("fetch " + uri) +# fetchcmd = fetchcmd.replace("${URI}", uri) +# ret = os.system(fetchcmd) +# if ret == 0: +# bb.note("Fetched %s from tarball stash, skipping checkout" % tarfn) +# continue + + #if os.path.exists(repodir): + #prunedir(repodir) + + bb.mkdirhier(repodir) + os.chdir(repodir) + + #print("Changing to %s" % repodir) + + if os.access(repofile, os.R_OK): + rungitcmd("tar -xzf %s" % (repofile),d) + else: + rungitcmd("git clone rsync://%s%s %s" % (host, path, repodir),d) + + rungitcmd("rsync -a --verbose --stats --progress rsync://%s%s/ %s" % (host, path, os.path.join(repodir, ".git", "")),d) + + #print("Changing to %s" % repodir) + os.chdir(repodir) + rungitcmd("git pull rsync://%s%s" % (host, path),d) + + #print("Changing to %s" % repodir) + os.chdir(repodir) + rungitcmd("tar -czf %s %s" % (repofile, os.path.join(".", ".git", "*") ),d) + + if os.path.exists(codir): + prunedir(codir) + + #print("Changing to %s" % repodir) + bb.mkdirhier(codir) + os.chdir(repodir) + rungitcmd("git read-tree %s" % (tag),d) + + rungitcmd("git checkout-index -q -f --prefix=%s -a" % (os.path.join(codir, "git", "")),d) + + #print("Changing to %s" % codir) + os.chdir(codir) + rungitcmd("tar -czf %s %s" % (cofile, os.path.join(".", "*") ),d) + |