258 lines
10 KiB
Python
258 lines
10 KiB
Python
"""
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Copyright 2018 Oliver Smith
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This file is part of pmbootstrap.
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pmbootstrap is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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pmbootstrap is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with pmbootstrap. If not, see <http://www.gnu.org/licenses/>.
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"""
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import logging
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import glob
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import os
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import pmb.config
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import pmb.helpers.cli
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import pmb.helpers.devices
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import pmb.helpers.run
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import pmb.helpers.ui
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import pmb.chroot.zap
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import pmb.parse.deviceinfo
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def ask_for_work_path(args):
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"""
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Ask for the work path, until we can create it (when it does not exist) and
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write into it.
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:returns: the work path
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"""
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logging.info("Location of the 'work' path. Multiple chroots"
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" (native, device arch, device rootfs) will be created"
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" in there.")
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while True:
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try:
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ret = os.path.expanduser(pmb.helpers.cli.ask(
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args, "Work path", None, args.work, False))
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ret = os.path.realpath(ret)
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# Work must not be inside the pmbootstrap path
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if ret == pmb.config.pmb_src or ret.startswith(pmb.config.pmb_src +
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"/"):
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logging.fatal("ERROR: The work path must not be inside the"
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" pmbootstrap path. Please specify another"
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" location.")
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continue
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# Create the folder with a version file
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if not os.path.exists(ret):
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os.makedirs(ret, 0o700, True)
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with open(ret + "/version", "w") as handle:
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handle.write(pmb.config.work_version + "\n")
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# Make sure, that we can write into it
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os.makedirs(ret + "/cache_http", 0o700, True)
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return ret
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except OSError:
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logging.fatal("ERROR: Could not create this folder, or write"
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" inside it! Please try again.")
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def ask_for_ui(args):
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ui_list = pmb.helpers.ui.list(args)
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logging.info("Available user interfaces (" +
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str(len(ui_list) - 1) + "): ")
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for ui, description in ui_list.items():
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logging.info("* " + ui + ": " + description)
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while True:
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ret = pmb.helpers.cli.ask(args, "User interface", None, args.ui, True)
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if ret in ui_list:
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return ret
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logging.fatal("ERROR: Invalid user interface specified, please type in"
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" one from the list above.")
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def ask_for_keymaps(args, device):
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info = pmb.parse.deviceinfo(args, device=device)
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if "keymaps" not in info or info["keymaps"].strip() == "":
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return ""
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options = info["keymaps"].split(' ')
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logging.info("Available keymaps for device (" + str(len(options)) +
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"): " + ", ".join(options))
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if args.keymap is "":
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args.keymap = options[0]
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while True:
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ret = pmb.helpers.cli.ask(args, "Keymap", None, args.keymap, True)
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if ret in options:
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return ret
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logging.fatal("ERROR: Invalid keymap specified, please type in"
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" one from the list above.")
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def ask_for_timezone(args):
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localtimes = ["/etc/zoneinfo/localtime", "/etc/localtime"]
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zoneinfo_path = "/usr/share/zoneinfo/"
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for localtime in localtimes:
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if not os.path.exists(localtime):
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continue
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tz = ""
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if os.path.exists(localtime):
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tzpath = os.path.realpath(localtime)
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tzpath = tzpath.rstrip()
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if os.path.exists(tzpath):
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try:
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_, tz = tzpath.split(zoneinfo_path)
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except:
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pass
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if tz:
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logging.info("Your host timezone: " + tz)
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if pmb.helpers.cli.confirm(args, "Use this timezone instead of GMT?",
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default="y"):
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return tz
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logging.info("WARNING: Unable to determine timezone configuration on host,"
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" using GMT.")
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return "GMT"
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def ask_for_device(args):
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devices = sorted(pmb.helpers.devices.list(args))
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logging.info("Target device (either an existing one, or a new one for"
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" porting).")
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logging.info("Available (" + str(len(devices)) + "): " +
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", ".join(devices))
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while True:
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device = pmb.helpers.cli.ask(args, "Device", None, args.device, False,
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"[a-z0-9]+-[a-z0-9]+")
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device_exists = os.path.exists(args.aports + "/device/device-" +
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device + "/deviceinfo")
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if not device_exists:
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logging.info("You are about to do a new device port for '" +
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device + "'.")
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if not pmb.helpers.cli.confirm(args, default=True):
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continue
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pmb.aportgen.generate(args, "device-" + device)
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pmb.aportgen.generate(args, "linux-" + device)
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break
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return (device, device_exists)
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def ask_for_qemu_mesa_driver(args):
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drivers = pmb.config.qemu_mesa_drivers
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logging.info("Which mesa driver do you prefer for your Qemu device? Only"
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" select something other than the default if you are having"
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" graphical problems (such as glitches).")
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while True:
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ret = pmb.helpers.cli.ask(args, "Mesa driver", drivers,
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args.qemu_mesa_driver)
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if ret in drivers:
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return ret
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logging.fatal("ERROR: Please specify a driver from the list. To change"
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" it, see qemu_mesa_drivers in pmb/config/__init__.py.")
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def ask_for_build_options(args, cfg):
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# Allow to skip build options
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ts_rebuild = "True" if args.timestamp_based_rebuild else "False"
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logging.info("Build options: Parallel jobs: " + args.jobs +
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", ccache per arch: " + args.ccache_size +
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", timestamp based rebuilds: " + ts_rebuild)
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if not pmb.helpers.cli.confirm(args, "Change them?",
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default=False):
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return
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# Parallel job count
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logging.info("How many jobs should run parallel on this machine, when"
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" compiling?")
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answer = pmb.helpers.cli.ask(args, "Jobs", None, args.jobs,
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validation_regex="[1-9][0-9]*")
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cfg["pmbootstrap"]["jobs"] = answer
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# Ccache size
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logging.info("We use ccache to speed up building the same code multiple"
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" times. How much space should the ccache folder take up per"
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" architecture? After init is through, you can check the current"
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" usage with 'pmbootstrap stats'. Answer with 0 for infinite.")
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regex = "0|[0-9]+(k|M|G|T|Ki|Mi|Gi|Ti)"
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answer = pmb.helpers.cli.ask(args, "Ccache size", None, args.ccache_size,
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lowercase_answer=False, validation_regex=regex)
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cfg["pmbootstrap"]["ccache_size"] = answer
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# Timestamp based rebuilds
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logging.info("Rebuild packages, when the last modified timestamp changed,"
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" even if the version did not change?"
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" This makes pmbootstrap behave more like 'make'.")
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answer = pmb.helpers.cli.confirm(args, "Timestamp based rebuilds",
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default=args.timestamp_based_rebuild)
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cfg["pmbootstrap"]["timestamp_based_rebuild"] = str(answer)
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def frontend(args):
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cfg = pmb.config.load(args)
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# Work folder (needs to be first, so boot.img analyze works: #1066)
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cfg["pmbootstrap"]["work"] = args.work = ask_for_work_path(args)
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# Device
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cfg["pmbootstrap"]["device"], device_exists = ask_for_device(args)
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# Qemu mesa driver
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if cfg["pmbootstrap"]["device"].startswith("qemu-"):
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cfg["pmbootstrap"]["qemu_mesa_driver"] = ask_for_qemu_mesa_driver(args)
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# Device keymap
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if device_exists:
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cfg["pmbootstrap"]["keymap"] = ask_for_keymaps(
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args, device=cfg["pmbootstrap"]["device"])
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# Username
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cfg["pmbootstrap"]["user"] = pmb.helpers.cli.ask(args, "Username", None,
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args.user, False,
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"[a-z_][a-z0-9_-]*")
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# UI and various build options
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cfg["pmbootstrap"]["ui"] = ask_for_ui(args)
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ask_for_build_options(args, cfg)
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# Extra packages to be installed to rootfs
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logging.info("Additional packages that will be installed to rootfs."
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" Specify them in a comma separated list (e.g.: vim,file)"
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" or \"none\"")
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cfg["pmbootstrap"]["extra_packages"] = pmb.helpers.cli.ask(args, "Extra packages",
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None, args.extra_packages,
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validation_regex="^(|[-.+\w\s]+(?:,[-.+\w\s]*)*)$")
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# Configure timezone info
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cfg["pmbootstrap"]["timezone"] = ask_for_timezone(args)
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# Save config
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pmb.config.save(args, cfg)
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# Zap existing chroots
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setattr(args, "work", cfg["pmbootstrap"]["work"])
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if (device_exists and
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len(glob.glob(args.work + "/chroot_*")) and
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pmb.helpers.cli.confirm(args, "Zap existing chroots to apply configuration?", default=True)):
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setattr(args, "deviceinfo", pmb.parse.deviceinfo(
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args, device=cfg["pmbootstrap"]["device"]))
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# Do not zap any existing packages or cache_http directories
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pmb.chroot.zap(args, confirm=False)
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logging.info(
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"WARNING: The applications in the chroots do not get updated automatically.")
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logging.info("Run 'pmbootstrap zap' to delete all chroots once a day before"
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" working with pmbootstrap!")
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logging.info("It only takes a few seconds, and all packages are cached.")
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logging.info("Done!")
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