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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
"""
required_values = frozenset()
valid_values = required_values | frozenset([
"boot/kernel",
"embedded/empty",
"embedded/fs-finish",
"embedded/fs-ops",
"embedded/fs-prepare",
"embedded/fs-type",
"embedded/linuxrc",
"embedded/mergeroot",
"embedded/packages",
"embedded/rm",
"embedded/root_overlay",
"embedded/runscript",
"embedded/unmerge",
"embedded/use",
])
def __init__(self, spec, addlargs):
StageBase.__init__(self, spec, addlargs)
def set_action_sequence(self):
self.prepare_sequence.extend([
"unpack",
"config_profile_link",
"setup_confdir",
"portage_overlay",
])
self.build_sequence.extend([
"bind",
"chroot_setup",
"setup_environment",
"build_kernel",
"build_packages",
"root_overlay",
"fsscript",
"unmerge",
])
self.finish_sequence.extend([
"remove",
"empty",
"clean",
"capture",
"clear_autoresume",
])
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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