2017-06-09 17:22:25 +00:00
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"""
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2018-01-04 03:53:35 +00:00
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Copyright 2018 Oliver Smith
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2017-06-09 17:22:25 +00:00
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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 os
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import logging
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import pmb.chroot.initfs_hooks
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import pmb.chroot.other
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import pmb.chroot.apk
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import pmb.helpers.cli
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def build(args, flavor, suffix):
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2017-08-18 19:19:48 +00:00
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# Bail out when '-s' is set
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if args.skip_initfs:
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logging.info("NOTE: Skipped initramfs generation (-s)!")
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return
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Properly rebuild/install packages when something changed (Fix #120, #108, #131) (#129)
TLDR: Always rebuild/install packages when something changed when executing "pmbootstrap install/initfs/flash", more speed in dependency resolution.
---
pmbootstrap has already gotten some support for "timestamp based rebuilds", which modifies the logic for when packages should be rebuilt. It doesn't only consider packages outdated with old pkgver/pkgrel combinations, but also packages, where a source file has a newer timestamp, than the built package has.
I've found out, that this can lead to more rebuilds than expected. For example, when you check out the pmbootstrap git repository again into another folder, although you have already built packages. Then all files have the timestamp of the checkout, and the packages will appear to be outdated. While this is not largely a concern now, this will become a problem once we have a binary package repository, because then the packages from the binary repo will always seem to be outdated, if you just freshly checked out the repository.
To combat this, git gets asked if the files from the aport we're looking at are in sync with upstream, or not. Only when the files are not in sync with upstream and the timestamps of the sources are newer, a rebuild gets triggered from now on.
In case this logic should fail, I've added an option during "pmbootstrap init" where you can enable or disable the "timestamp based rebuilds" option.
In addition to that, this commit also works on fixing #120: packages do not get updated in "pmbootstrap install" after they have been rebuilt. For this to work, we specify all packages explicitly for abuild, instead of letting abuild do the resolving. This feature will also work with the "timestamp based rebuilds".
This commit also fixes the working_dir argument in pmb.helpers.run.user, which was simply ignored before.
Finally, the performance of the dependency resolution is faster again (when compared to the current version in master), because the parsed apkbuilds and finding the aport by pkgname gets cached during one pmbootstrap call (in args.cache, which also makes it easy to put fake data there in testcases).
The new dependency resolution code can output lots of verbose messages for debugging by specifying the `-v` parameter. The meaning of that changed, it used to output the file names where log messages come from, but no one seemed to use that anyway.
2017-07-10 15:23:43 +00:00
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# Update mkinitfs and hooks
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pmb.chroot.apk.install(args, ["postmarketos-mkinitfs"], suffix)
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pmb.chroot.initfs_hooks.update(args, suffix)
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# Call mkinitfs
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2017-06-09 17:22:25 +00:00
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logging.info("(" + suffix + ") mkinitfs " + flavor)
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release_file = (args.work + "/chroot_" + suffix + "/usr/share/kernel/" +
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flavor + "/kernel.release")
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with open(release_file, "r") as handle:
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release = handle.read().rstrip()
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pmb.chroot.root(args, ["mkinitfs", "-o", "/boot/initramfs-" + flavor, release],
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suffix)
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2017-07-28 18:51:21 +00:00
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def extract(args, flavor, suffix, extra=False):
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2017-06-09 17:22:25 +00:00
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"""
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2017-07-28 18:51:21 +00:00
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Extract the initramfs to /tmp/initfs-extracted or the initramfs-extra to
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/tmp/initfs-extra-extracted and return the outside extraction path.
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2017-06-09 17:22:25 +00:00
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"""
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# Extraction folder
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inside = "/tmp/initfs-extracted"
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2017-07-28 18:51:21 +00:00
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if extra:
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inside = "/tmp/initfs-extra-extracted"
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flavor += "-extra"
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2017-06-09 17:22:25 +00:00
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outside = args.work + "/chroot_" + suffix + inside
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if os.path.exists(outside):
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2017-07-26 17:05:06 +00:00
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if not pmb.helpers.cli.confirm(args, "Extraction folder " + outside +
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" already exists. Do you want to overwrite it?"):
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2017-06-09 17:22:25 +00:00
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raise RuntimeError("Aborted!")
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pmb.chroot.root(args, ["rm", "-r", inside], suffix)
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# Extraction script (because passing a file to stdin is not allowed
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# in pmbootstrap's chroot/shell functions for security reasons)
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with open(args.work + "/chroot_" + suffix + "/tmp/_extract.sh", "w") as handle:
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handle.write(
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"#!/bin/sh\n"
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"cd " + inside + " && cpio -i < _initfs\n")
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# Extract
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commands = [["mkdir", "-p", inside],
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["cp", "/boot/initramfs-" + flavor, inside + "/_initfs.gz"],
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["gzip", "-d", inside + "/_initfs.gz"],
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["cat", "/tmp/_extract.sh"], # for the log
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["sh", "/tmp/_extract.sh"],
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["rm", "/tmp/_extract.sh", inside + "/_initfs"]
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]
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for command in commands:
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pmb.chroot.root(args, command, suffix)
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# Return outside path for logging
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return outside
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2017-07-28 18:51:21 +00:00
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def ls(args, flavor, suffix, extra=False):
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2017-06-09 17:22:25 +00:00
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tmp = "/tmp/initfs-extracted"
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2017-07-28 18:51:21 +00:00
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if extra:
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tmp = "/tmp/initfs-extra-extracted"
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extract(args, flavor, suffix, extra)
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2017-11-30 20:15:47 +00:00
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pmb.chroot.root(args, ["ls", "-lahR", "."], suffix, tmp, log=False)
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2017-06-09 17:22:25 +00:00
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pmb.chroot.root(args, ["rm", "-r", tmp], suffix)
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def frontend(args):
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# Find the appropriate kernel flavor
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suffix = "rootfs_" + args.device
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pmbootstrap init: kernel selection / remove linux-pmos-lts (#1363)
* As discussed in IRC/matrix, we're removing `linux-postmarketos-lts`
for now. The kernel isn't used right now, and we save lots of
maintenance effort with not updating it every week or so.
* new config option `"kernel"` with possible values:
`"downstream", "mainline", "stable"` (downstream is always
`linux-$devicename`)
* ask for the kernel during `pmbootstrap init` if the device package
has kernel subpackages and install it in `_install.py`
* postmarketos-mkinitfs: display note instead of exit with error when
the `deviceinfo_dtb` file is missing (because we expect it to be
missing for downstream kernels)
* device-sony-amami:
* add kernel subpackages for downstream, mainline
* set `deviceinfo_dtb`
* device-qemu-amd64: add kernel subpackages for stable, lts, mainline
* test cases and test data for new functions
* test case that checks all aports for right usage of the feature:
* don't mix specifying kernels in depends *and* subpackages
* 1 kernel in depends is maximum
* kernel subpackages must have a valid name
* Test if devices packages reference at least one kernel
* Remove `_build_device_depends_note()` which informs the user that
`--ignore-depends` can be used with device packages to avoid building
the kernel. The idea was to make the transition easier after a change
we did months ago, and now the kernel doesn't always get built before
building the device package so it's not relevant anymore.
* pmb/chroot/other.py:
* Add autoinstall=True to kernel_flavors_installed(). When the flag
is set, the function makes sure that at least one kernel for the
device is installed.
* Remove kernel_flavor_autodetect() function, wherever it was used,
it has been replaced with kernel_flavors_installed()[0].
* pmb.helpers.frontend.py: remove code to install at least one kernel,
kernel_flavors_installed() takes care of that now.
2018-04-03 23:50:09 +00:00
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flavors = pmb.chroot.other.kernel_flavors_installed(args, suffix)
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flavor = flavors[0]
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2017-06-09 17:22:25 +00:00
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if hasattr(args, "flavor") and args.flavor:
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flavor = args.flavor
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# Handle initfs actions
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action = args.action_initfs
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if action == "build":
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build(args, flavor, suffix)
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elif action == "extract":
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dir = extract(args, flavor, suffix)
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2017-07-28 18:51:21 +00:00
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logging.info("Successfully extracted initramfs to: " + dir)
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dir_extra = extract(args, flavor, suffix, True)
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logging.info("Successfully extracted initramfs-extra to: " + dir_extra)
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2017-06-09 17:22:25 +00:00
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elif action == "ls":
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2017-07-28 18:51:21 +00:00
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logging.info("*** initramfs ***")
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2017-06-09 17:22:25 +00:00
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ls(args, flavor, suffix)
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2017-07-28 18:51:21 +00:00
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logging.info("*** initramfs-extra ***")
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ls(args, flavor, suffix, True)
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2017-06-09 17:22:25 +00:00
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# Handle hook actions
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elif action == "hook_ls":
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pmb.chroot.initfs_hooks.ls(args, suffix)
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else:
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if action == "hook_add":
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pmb.chroot.initfs_hooks.add(args, args.hook, suffix)
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elif action == "hook_del":
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pmb.chroot.initfs_hooks.delete(args, args.hook, suffix)
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# Rebuild the initfs for all kernels after adding/removing a hook
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pmbootstrap init: kernel selection / remove linux-pmos-lts (#1363)
* As discussed in IRC/matrix, we're removing `linux-postmarketos-lts`
for now. The kernel isn't used right now, and we save lots of
maintenance effort with not updating it every week or so.
* new config option `"kernel"` with possible values:
`"downstream", "mainline", "stable"` (downstream is always
`linux-$devicename`)
* ask for the kernel during `pmbootstrap init` if the device package
has kernel subpackages and install it in `_install.py`
* postmarketos-mkinitfs: display note instead of exit with error when
the `deviceinfo_dtb` file is missing (because we expect it to be
missing for downstream kernels)
* device-sony-amami:
* add kernel subpackages for downstream, mainline
* set `deviceinfo_dtb`
* device-qemu-amd64: add kernel subpackages for stable, lts, mainline
* test cases and test data for new functions
* test case that checks all aports for right usage of the feature:
* don't mix specifying kernels in depends *and* subpackages
* 1 kernel in depends is maximum
* kernel subpackages must have a valid name
* Test if devices packages reference at least one kernel
* Remove `_build_device_depends_note()` which informs the user that
`--ignore-depends` can be used with device packages to avoid building
the kernel. The idea was to make the transition easier after a change
we did months ago, and now the kernel doesn't always get built before
building the device package so it's not relevant anymore.
* pmb/chroot/other.py:
* Add autoinstall=True to kernel_flavors_installed(). When the flag
is set, the function makes sure that at least one kernel for the
device is installed.
* Remove kernel_flavor_autodetect() function, wherever it was used,
it has been replaced with kernel_flavors_installed()[0].
* pmb.helpers.frontend.py: remove code to install at least one kernel,
kernel_flavors_installed() takes care of that now.
2018-04-03 23:50:09 +00:00
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for flavor in flavors:
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2017-06-09 17:22:25 +00:00
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build(args, flavor, suffix)
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2017-07-28 18:51:21 +00:00
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if action in ["ls", "extract"]:
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2017-08-27 14:00:53 +00:00
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link = "https://wiki.postmarketos.org/wiki/Initramfs_development"
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2017-07-28 18:51:21 +00:00
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logging.info("See also: <" + link + ">")
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