diff options
| -rw-r--r-- | conf/bitbake.conf | 1 | ||||
| -rw-r--r-- | conf/collections.inc | 129 |
2 files changed, 130 insertions, 0 deletions
diff --git a/conf/bitbake.conf b/conf/bitbake.conf index 136f01c228..f31e56de89 100644 --- a/conf/bitbake.conf +++ b/conf/bitbake.conf @@ -629,6 +629,7 @@ OVERRIDES = "local:${MACHINE}:${DISTRO}:${TARGET_OS}:${TARGET_ARCH}:build-${BUIL # Include the rest of the config files. ################################################################## +require conf/collections.inc include conf/site.conf include conf/auto.conf include conf/local.conf diff --git a/conf/collections.inc b/conf/collections.inc new file mode 100644 index 0000000000..245114aed7 --- /dev/null +++ b/conf/collections.inc @@ -0,0 +1,129 @@ +# Take a list of directories in COLLECTIONS, in priority order (highest to +# lowest), and use those to populate BBFILES, BBFILE_COLLECTIONS, +# BBFILE_PATTERN_*, and BBFILE_PRIORITY_*. By default, COLLECTIONS is +# prepopulated with the locations the user specified in their BBPATH. +# +# Specifying an archive in COLLECTIONS is also supported. Any archives of a +# supported format will be unpacked into COLLECTIONS_UNPACKDIR and used from +# there. + +COLLECTIONS = "${@' '.join(d.getVar('BBPATH', 1).split(':'))}" +COLLECTIONS_UNPACKDIR = "${TMPDIR}/collections" + +def collection_unpack(collection, name, 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", + } + + outpath = os.path.join(d.getVar("COLLECTIONS_UNPACKDIR", 1), name) + + 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 + + bb.note("Removing old unpacked collection at %s" % outpath) + os.system("rm -rf %s" % outpath) + + try: + cmd = (cmd for (exts, cmd) in handlers.iteritems() + for e in exts + if collection.endswith(e)).next() + cmd = "cd %s && PATH=\"%s\" %s" % (outpath, d.getVar("PATH", 1), cmd) + except StopIteration: + bb.fatal("Unable to find unpack handler for %s" % collection) + + 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 + +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 + globbed = (glob(path) for path in collections.split()) + collections = list(chain(*globbed)) + + collectionmap = {} + namemap = {} + for collection in collections: + basename = os.path.basename(collection).split(os.path.extsep)[0] + if namemap.get(basename): + basename = "%s-%s" % (basename, hash(collection)) + namemap[basename] = collection + collectionmap[collection] = basename + + 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) + + name = collectionmap[collection] + if not name: + bb.fatal("Unable to determine collection name for %s" % collection) + + if not os.path.isdir(collection): + del collectionmap[collection] + unpacked = collection_unpack(collection, name, d) + if unpacked: + collection = unpacked + collectionmap[collection] = name + else: + bb.fatal("Unable to unpack collection %s" % collection) + + setifunset("BBFILE_PATTERN_%s" % name, "^%s/" % collection) + setifunset("BBFILE_PRIORITY_%s" % name, str(priority)) + + setifunset("BBFILE_COLLECTIONS", " ".join(collectionmap.values())) + setifunset("BBFILES", " ".join(collectionmap.keys())) + +addhandler collections_eh +python collections_eh () { + from bb.event import getName + + if getName(e) == "ConfigParsed": + collections_setup(e.data) + + return NotHandled +} |