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"""
Enbedded target, similar to the stage2 target, builds upon a stage2 tarball.
A stage2 tarball is unpacked, but instead
of building a stage3, it emerges @system into another directory
inside the stage2 system. This way, we do not have to emerge GCC/portage
into the staged system.
It may sound complicated but basically it runs
ROOT=/tmp/submerge emerge --something foo bar .
"""
# NOTE: That^^ docstring has influence catalyst-spec(5) man page generation.
from catalyst import log
from catalyst.support import normpath
from catalyst.base.stagebase import StageBase
class embedded(StageBase):
"""
Builder class for embedded target
"""
def __init__(self,spec,addlargs):
self.required_values=[]
self.valid_values=[]
self.valid_values.extend(["embedded/empty","embedded/rm","embedded/unmerge","embedded/fs-prepare","embedded/fs-finish","embedded/mergeroot","embedded/packages","embedded/fs-type","embedded/runscript","boot/kernel","embedded/linuxrc"])
self.valid_values.extend(["embedded/use"])
if "embedded/fs-type" in addlargs:
self.valid_values.append("embedded/fs-ops")
StageBase.__init__(self,spec,addlargs)
def set_action_sequence(self):
self.settings["action_sequence"]=["dir_setup","unpack","unpack_snapshot",\
"config_profile_link","setup_confdir",\
"portage_overlay","bind","chroot_setup",\
"setup_environment","build_kernel","build_packages",\
"bootloader","root_overlay","fsscript","unmerge",\
"unbind","remove","empty","clean","capture","clear_autoresume"]
def set_stage_path(self):
self.settings["stage_path"]=normpath(self.settings["chroot_path"]+"/tmp/mergeroot")
log.info('embedded stage path is %s', self.settings['stage_path'])
def set_root_path(self):
self.settings["root_path"]=normpath("/tmp/mergeroot")
log.info('embedded root path is %s', self.settings['root_path'])
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