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# 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_*.
COLLECTIONS = "${@' '.join(d.getVar('BBPATH', 1).split(':'))}"
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)
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
}
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