prserv: use only PRSERV_HOST

- remove PRSERV_PORT variable
- use 'hostname:port' as PRSERV_HOST format
- use 'localhost:0' for enabling the local PRServer

[YOCTO #3744]

Signed-off-by: Constantin Musca <constantinx.musca@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
hob: hob do not use .hob dir for variables from local.conf and bblayers.conf

If .hob exists, hob takes the variable from there. Change to not override anymore
the variables which comes from bblayers.conf and local.conf

[YOCTO #2934]
Signed-off-by: Cristiana Voicu <cristiana.voicu@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
cache.py: remove the duplicated self.file_depends

There are two "self.file_depends =" lines in cache.py::CoreRecipeInfo:

class CoreRecipeInfo(RecipeInfoCommon):
    __slots__ = ()

    cachefile = "bb_cache.dat"

    def __init__(self, filename, metadata):
        self.file_depends = metadata.getVar('__depends', False)
    [snip]
        self.file_depends = metadata.getVar('__depends', False)

They are duplicated, remove the last one.

[YOCTO #3795]

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
bitbake-layers: fix get_file_layer

The get_file_layer can't handle the nested layer correctly, e.g.:

meta-intel/conf/layer.conf
meta-intel/meta-cedartrail/conf/layer.conf

They are two layers, the file:
meta-intel/common/recipes-bsp/amt/lms_7.1.20.bb
belongs to meta-intel's layer, but the get_file_layer() may return
meta-cedartrail accordig to BBLAYERS' order, since it uses:

for layerdir in self.bblayers:
    if regex.match(os.path.join(layerdir, 'test')):
        return self.get_layer_name(layerdir)

which doesn't care the filename, re-match the filename would fix the
problem.

[YOCTO #3387]

Signed-off-by: Robert Yang <liezhi.yang@windriver.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
bitbake-diffigs: Don't pull in tinfoil unless we really need/plan to use it

This means we can run in parallel with other bitbake processed we're not in
task mode.

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>