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Close #69: add 'pmbootstrap initfs' and improve initfs workflow

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* allows to build/extract/list initramfs, add/del hook
* rebuild the initfs whenever running install or trying to flash/boot it
* flasher flash/boot: automatically set up a minimal rootfs with kernel and initfs,
  if it does not exist yet
This commit is contained in:
Oliver Smith 2017-06-09 19:22:25 +02:00
parent 32ad868cdc
commit 18339d0a14
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GPG key ID: 5AE7F5513E0885CB
9 changed files with 253 additions and 8 deletions
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19
pmb/flasher/frontend.py
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@ -21,24 +21,33 @@ import os
import pmb.flasher
import pmb.install
import pmb.chroot.apk
import pmb.chroot.initfs
import pmb.chroot.other
def kernel(args):
# Parse the kernel flavor
# Make sure, that at least one kernel is installed
suffix = "rootfs_" + args.device
pmb.chroot.apk.install(args, ["device-" + args.device], suffix)
# Parse the kernel flavor
flavor = args.flavor
flavors = pmb.chroot.other.installed_kernel_flavors(args, suffix)
flavors = pmb.chroot.other.kernel_flavors_installed(args, suffix)
if flavor:
if flavor not in flavors:
raise RuntimeError("No kernel installed with flavor " + flavor + "!" +
" Run 'pmbootstrap flasher list_flavors' to get a list.")
elif not len(flavors):
raise RuntimeError(
"No kernel flavors installed in chroot " + suffix + "!")
"No kernel flavors installed in chroot " + suffix + "! Please let"
" your device package depend on a package starting with 'linux-'.")
else:
flavor = flavors[0]
# Rebuild the initramfs, just to make sure (see #69)
pmb.chroot.initfs.build(args, flavor, "rootfs_" + args.device)
# Generate the paths and run the flasher
pmb.flasher.init(args)
mnt = "/mnt/rootfs_" + args.device
@ -48,14 +57,14 @@ def kernel(args):
logging.info("(native) boot " + flavor + " kernel")
pmb.flasher.run(args, "boot", kernel, ramdisk)
else:
logging.info("(native) flash kernel '" + flavor + "'")
logging.info("(native) flash kernel " + flavor)
pmb.flasher.run(args, "flash_kernel", kernel, ramdisk)
def list_flavors(args):
suffix = "rootfs_" + args.device
logging.info("(" + suffix + ") installed kernel flavors:")
for flavor in pmb.chroot.other.installed_kernel_flavors(args, suffix):
for flavor in pmb.chroot.other.kernel_flavors_installed(args, suffix):
logging.info("* " + flavor)