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Diffstat (limited to 'conf/collections.inc')
| -rw-r--r-- | conf/collections.inc | 181 |
1 files changed, 181 insertions, 0 deletions
diff --git a/conf/collections.inc b/conf/collections.inc new file mode 100644 index 0000000000..831ca935e6 --- /dev/null +++ b/conf/collections.inc @@ -0,0 +1,181 @@ +# Copyright (c) 2009 MontaVista Software, Inc. All rights reserved. +# +# Released under the MIT license (see COPYING.MIT for the terms) +# +# Take a list of directories in COLLECTIONS, in priority order (highest to +# lowest), and use those to populate BBFILES, BBFILE_COLLECTIONS, +# BBFILE_PATTERN_*, and BBFILE_PRIORITY_*. +# +# Specifying an archive in COLLECTIONS is also supported. Any archives of a +# supported format will be unpacked into COLLECTIONS_UNPACKDIR and used from +# there. + +COLLECTIONS = "${@' '.join(d.getVar('BBPATH', 1).split(':'))}" +COLLECTIONS_UNPACKDIR = "${TMPDIR}/collections" + +COLLECTIONINFO = "${@get_collection(d.getVar('FILE', 1), d)}" + +def has_collection(name, d): + for (uniquename, info) in d.getVar("COLLECTIONSINFO", 1).iteritems(): + if info["name"] == name: + return True + return False + +def get_collection(file, d): + if not os.path.isabs(file): + file = bb.which(d.getVar("BBPATH", 1), file) + filedir = os.path.realpath(os.path.dirname(file)) + for (uniquename, info) in d.getVar("COLLECTIONSINFO", 1).iteritems(): + path = os.path.realpath(info["path"]) + if filedir.startswith(path + os.path.sep): + return info + +def collection_unpack(collection, d): + """ Unpack a collection archive and return the path to it. """ + import bb + import os + from md5 import md5 + + handlers = { + ("tar"): "tar x --no-same-owner -f %s", + ("tar.gz", "tgz", "tar.Z"): "tar xz --no-same-owner -f %s", + ("tar.bz2", "tbz", "tbz2"): "tar xj --no-same-owner -f %s", + ("zip", "jar"): "unzip -q -o %s", + } + + basename = os.path.basename(collection) + try: + cmd, name = ((cmd, basename[:-len(e)-1]) for (exts, cmd) in handlers.iteritems() + for e in exts + if basename.endswith(e)).next() + except StopIteration: + bb.fatal("No method available to unpack %s (unsupported file type?)" % collection) + else: + outpath = os.path.join(d.getVar("COLLECTIONS_UNPACKDIR", 1), name) + cmd = "cd %s && PATH=\"%s\" %s" % (outpath, d.getVar("PATH", 1), cmd) + + try: + collectiondata = open(collection, "r").read() + except IOError: + bb.fatal("Unable to open %s to calculate md5 sum" % collection) + + md5obj = md5() + md5obj.update(collectiondata) + md5sum = md5obj.hexdigest() + + md5file = os.path.join(outpath, "md5") + if os.path.exists(md5file): + try: + oldmd5sum = open(md5file).read() + except IOError: + pass + else: + if oldmd5sum == md5sum: + bb.debug(1, "Using existing %s for collection '%s'" % (outpath, name)) + return outpath, False, name + + bb.note("Removing old unpacked collection at %s" % outpath) + os.system("rm -rf %s" % outpath) + + if not os.path.isdir(outpath): + os.makedirs(outpath) + + bb.note("Unpacking %s to %s/" % (collection, outpath)) + ret = os.system(cmd % collection) + if ret != 0: + bb.fatal("Unable to unpack %s" % collection) + + md5out = open(md5file, "w") + md5out.write(md5sum) + md5out.close() + return outpath, True, name + +def collections_setup(d): + """ Populate collection and bbfiles metadata from the COLLECTIONS var. """ + import bb + import os + from itertools import izip, chain + from glob import glob + + def setifunset(k, v): + if d.getVar(k, 0) is None: + d.setVar(k, v) + + collections = d.getVar("COLLECTIONS", 1) + if not collections: + return + + bb.debug(1, "Processing COLLECTIONS (%s)" % collections) + + globbed = [] + for path in collections.split(): + paths = glob(os.path.normpath(path)) + if not paths: + bb.msg.warn(None, "No matches in filesystem for %s in COLLECTIONS" % path) + globbed += paths + collections = globbed + + collectionmap = {} + namemap = {} + collectioninfo = {} + unpackedthisexec = False + oldbbpath = d.getVar("BBPATH", 1) + bbpath = (oldbbpath or "").split(":") + for (collection, priority) in izip(collections, xrange(len(collections), 0, -1)): + if not os.path.exists(collection): + bb.fatal("Collection %s does not exist" % collection) + + origpath = collection + if not os.path.isdir(collection): + unpacked, unpackedthisexec, name = collection_unpack(collection, d) + if unpacked: + collection = unpacked + for dir in glob("%s/*/" % collection): + if not dir in bbpath: + bbpath.append(dir) + else: + bb.fatal("Unable to unpack collection %s" % collection) + else: + name = os.path.basename(collection) + if not collection in bbpath: + bbpath.append(collection) + + if namemap.get(name): + name = "%s-%s" % (name, hash(collection)) + namemap[name] = collection + collectionmap[collection] = name + + collectioninfo[name] = { + "name": name, + "originalpath": origpath, + "path": collection, + "priority": priority, + } + + setifunset("BBFILE_PATTERN_%s" % name, "^%s/" % collection) + setifunset("BBFILE_PRIORITY_%s" % name, str(priority)) + + d.setVar("COLLECTIONSINFO", collectioninfo) + + setifunset("BBFILE_COLLECTIONS", " ".join(collectionmap.values())) + setifunset("BBFILES", " ".join(collectionmap.keys())) + + bbpath = [os.path.realpath(dir) for dir in bbpath if os.path.exists(dir)] + d.setVar("BBPATH", ":".join(bbpath)) + if unpackedthisexec or (set(bbpath) != set(oldbbpath.split(":"))): + import sys + bb.debug(1, "Re-executing bitbake with BBPATH of %s" % d.getVar("BBPATH", 0)) + os.environ["BBPATH"] = d.getVar("BBPATH", 0) + os.environ["PYTHONPATH"] = ":".join(sys.path) + sys.argv.insert(0, sys.executable) + os.execvpe(sys.executable, sys.argv, os.environ) + +addhandler collections_eh +python collections_eh () { + from bb.event import getName + + if getName(e) == "ConfigParsed": + collections_setup(e.data) + + return NotHandled +} |