2017-05-26 20:08:45 +00:00
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"""
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Copyright 2017 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 os
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2017-06-04 00:57:37 +00:00
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import glob
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2017-05-26 20:08:45 +00:00
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import pmb.helpers.mount
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import pmb.install.losetup
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import pmb.helpers.cli
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import pmb.config
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def mount_sdcard(args):
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# Sanity checks
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if args.deviceinfo["external_disk_install"] != "true":
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raise RuntimeError("According to the deviceinfo, this device does"
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" not support a sdcard installation.")
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if not os.path.exists(args.sdcard):
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raise RuntimeError("The sdcard device does not exist: " +
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args.sdcard)
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2017-06-04 00:57:37 +00:00
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for path in glob.glob(args.sdcard + "*"):
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if pmb.helpers.mount.ismount(path):
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raise RuntimeError(path + " is mounted! We will not attempt"
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" to format this!")
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2017-07-26 17:05:06 +00:00
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if not pmb.helpers.cli.confirm(args, "EVERYTHING ON " + args.sdcard +
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" WILL BE ERASED! CONTINUE?"):
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2017-05-26 20:08:45 +00:00
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raise RuntimeError("Aborted.")
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logging.info("(native) mount /dev/install (host: " + args.sdcard + ")")
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pmb.helpers.mount.bind_blockdevice(args, args.sdcard,
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args.work + "/chroot_native/dev/install")
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2017-08-03 16:01:00 +00:00
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def create_and_mount_image(args, size):
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2017-05-26 20:08:45 +00:00
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# Short variables for paths
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chroot = args.work + "/chroot_native"
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img_path = "/home/user/rootfs/" + args.device + ".img"
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img_path_outside = chroot + img_path
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# Umount and delete existing image
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if os.path.exists(img_path_outside):
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pmb.helpers.mount.umount_all(args, chroot + "/mnt")
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pmb.install.losetup.umount(args, img_path)
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pmb.chroot.root(args, ["rm", img_path])
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if os.path.exists(img_path_outside):
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raise RuntimeError("Failed to remove old image file: " +
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img_path_outside)
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# Create empty image file
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logging.info("(native) create " + args.device + ".img (" + size + ")")
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logging.info("WARNING: Make sure, that your target device's partition"
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" table has allocated at least " + size + " as system partition!")
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2017-07-26 17:05:06 +00:00
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if not pmb.helpers.cli.confirm(args):
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2017-05-26 20:08:45 +00:00
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raise RuntimeError("Aborted.")
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pmb.chroot.user(args, ["mkdir", "-p", "/home/user/rootfs"])
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2017-07-28 17:41:35 +00:00
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pmb.chroot.root(args, ["truncate", "-s", size, img_path])
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2017-05-26 20:08:45 +00:00
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# Mount to /dev/install
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logging.info("(native) mount /dev/install (" + args.device + ".img)")
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pmb.install.losetup.mount(args, img_path)
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device = pmb.install.losetup.device_by_back_file(args, img_path)
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pmb.helpers.mount.bind_blockdevice(args, device, args.work +
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"/chroot_native/dev/install")
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2017-08-03 16:01:00 +00:00
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def create(args, size):
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2017-05-26 20:08:45 +00:00
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"""
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Create /dev/install (the "install blockdevice").
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"""
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pmb.helpers.mount.umount_all(
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args, args.work + "/chroot_native/dev/install")
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if args.sdcard:
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mount_sdcard(args)
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else:
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2017-08-03 16:01:00 +00:00
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create_and_mount_image(args, size)
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