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Diffstat (limited to 'scripts/lib/wic/help.py')
-rw-r--r-- | scripts/lib/wic/help.py | 173 |
1 files changed, 139 insertions, 34 deletions
diff --git a/scripts/lib/wic/help.py b/scripts/lib/wic/help.py index 2ac45e052e..163535e431 100644 --- a/scripts/lib/wic/help.py +++ b/scripts/lib/wic/help.py @@ -1,21 +1,6 @@ -# ex:ts=4:sw=4:sts=4:et -# -*- tab-width: 4; c-basic-offset: 4; indent-tabs-mode: nil -*- -# # Copyright (c) 2013, Intel Corporation. -# All rights reserved. -# -# This program is free software; you can redistribute it and/or modify -# it under the terms of the GNU General Public License version 2 as -# published by the Free Software Foundation. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. # -# You should have received a copy of the GNU General Public License along -# with this program; if not, write to the Free Software Foundation, Inc., -# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. +# SPDX-License-Identifier: GPL-2.0-only # # DESCRIPTION # This module implements some basic help invocation functions along @@ -356,12 +341,15 @@ DESCRIPTION wic_cp_usage = """ - Copy files and directories to the vfat or ext* partition + Copy files and directories to/from the vfat or ext* partition - usage: wic cp <src> <image>:<partition>[<path>] [--native-sysroot <path>] + usage: wic cp <src> <dest> [--native-sysroot <path>] - This command copies local files or directories to the vfat or ext* partitions -of partitioned image. + source/destination image in format <image>:<partition>[<path>] + + This command copies files or directories either + - from local to vfat or ext* partitions of partitioned image + - from vfat or ext* partitions of partitioned image to local See 'wic help cp' for more detailed instructions. @@ -370,16 +358,18 @@ of partitioned image. wic_cp_help = """ NAME - wic cp - copy files and directories to the vfat or ext* partitions + wic cp - copy files and directories to/from the vfat or ext* partitions SYNOPSIS - wic cp <src> <image>:<partition> - wic cp <src> <image>:<partition><path> - wic cp <src> <image>:<partition><path> --native-sysroot <path> + wic cp <src> <dest>:<partition> + wic cp <src>:<partition> <dest> + wic cp <src> <dest-image>:<partition><path> + wic cp <src> <dest-image>:<partition><path> --native-sysroot <path> DESCRIPTION - This command copies files and directories to the vfat or ext* partition of - the partitioned image. + This command copies files or directories either + - from local to vfat or ext* partitions of partitioned image + - from vfat or ext* partitions of partitioned image to local The first form of it copies file or directory to the root directory of the partition: @@ -412,6 +402,10 @@ DESCRIPTION 4 files 0 bytes 15 675 392 bytes free + The third form of the command copies file or directory from the specified directory + on the partition to local: + $ wic cp tmp/deploy/images/qemux86-64/core-image-minimal-qemux86-64.wic:1/vmlinuz test + The -n option is used to specify the path to the native sysroot containing the tools(parted and mtools) to use. """ @@ -437,6 +431,7 @@ NAME SYNOPSIS wic rm <src> <image>:<partition><path> wic rm <src> <image>:<partition><path> --native-sysroot <path> + wic rm -r <image>:<partition><path> DESCRIPTION This command removes files or directories from the vfat or ext* partition of the @@ -471,6 +466,9 @@ DESCRIPTION The -n option is used to specify the path to the native sysroot containing the tools(parted and mtools) to use. + + The -r option is used to remove directories and their contents + recursively,this only applies to ext* partition. """ wic_write_usage = """ @@ -493,7 +491,7 @@ NAME SYNOPSIS wic write <image> <target> wic write <image> <target> --expand auto - wic write <image> <target> --expand 1:100M-2:300M + wic write <image> <target> --expand 1:100M,2:300M wic write <image> <target> --native-sysroot <path> DESCRIPTION @@ -504,7 +502,7 @@ DESCRIPTION The --expand option is used to resize image partitions. --expand auto expands partitions to occupy all free space available on the target device. It's also possible to specify expansion rules in a format - <partition>:<size>[-<partition>:<size>...] for one or more partitions. + <partition>:<size>[,<partition>:<size>...] for one or more partitions. Specifying size 0 will keep partition unmodified. Note: Resizing boot partition can result in non-bootable image for non-EFI images. It is recommended to use size 0 for boot partition to keep image bootable. @@ -538,7 +536,8 @@ DESCRIPTION Source plugins can also be implemented and added by external layers - any plugins found in a scripts/lib/wic/plugins/source/ - directory in an external layer will also be made available. + or lib/wic/plugins/source/ directory in an external layer will + also be made available. When the wic implementation needs to invoke a partition-specific implementation, it looks for the plugin that has the same name as @@ -576,6 +575,10 @@ DESCRIPTION partition. In other words, it 'prepares' the final partition image which will be incorporated into the disk image. + do_post_partition() + Called after the partition is created. It is useful to add post + operations e.g. signing the partition. + do_configure_partition() Called before do_prepare_partition(), typically used to create custom configuration files for a partition, for @@ -634,7 +637,7 @@ DESCRIPTION oe-core: directdisk.bbclass and mkefidisk.sh. The difference between wic and those examples is that with wic the functionality of those scripts is implemented by a general-purpose partitioning - 'language' based on Redhat kickstart syntax). + 'language' based on Red Hat kickstart syntax). The initial motivation and design considerations that lead to the current tool are described exhaustively in Yocto Bug #3847 @@ -837,8 +840,8 @@ DESCRIPTION meanings. The commands are based on the Fedora kickstart documentation but with modifications to reflect wic capabilities. - http://fedoraproject.org/wiki/Anaconda/Kickstart#part_or_partition - http://fedoraproject.org/wiki/Anaconda/Kickstart#bootloader + https://pykickstart.readthedocs.io/en/latest/kickstart-docs.html#part-or-partition + https://pykickstart.readthedocs.io/en/latest/kickstart-docs.html#bootloader Commands @@ -862,8 +865,11 @@ DESCRIPTION Partitions with a <mountpoint> specified will be automatically mounted. This is achieved by wic adding entries to the fstab during image generation. In order for a valid fstab to be generated one of the - --ondrive, --ondisk or --use-uuid partition options must be used for - each partition that specifies a mountpoint. + --ondrive, --ondisk, --use-uuid or --use-label partition options must + be used for each partition that specifies a mountpoint. Note that with + --use-{uuid,label} and non-root <mountpoint>, including swap, the mount + program must understand the PARTUUID or LABEL syntax. This currently + excludes the busybox versions of these applications. The following are supported 'part' options: @@ -924,6 +930,7 @@ DESCRIPTION ext4 btrfs squashfs + erofs swap --fsoptions: Specifies a free-form string of options to be @@ -933,11 +940,25 @@ DESCRIPTION quotes. If not specified, the default string is "defaults". + --fspassno: Specifies the order in which filesystem checks are done + at boot time by fsck. See fs_passno parameter of + fstab(5). This parameter will be copied into the + /etc/fstab file of the installed system. If not + specified the default value of "0" will be used. + --label label: Specifies the label to give to the filesystem to be made on the partition. If the given label is already in use by another filesystem, a new label is created for the partition. + --use-label: This option is specific to wic. It makes wic to use the + label in /etc/fstab to specify a partition. If the + --use-label and --use-uuid are used at the same time, + we prefer the uuid because it is less likely to cause + name confliction. We don't support using this parameter + on the root partition since it requires an initramfs to + parse this value and we do not currently support that. + --active: Marks the partition as active. --align (in KBytes): This option is specific to wic and says @@ -956,6 +977,29 @@ DESCRIPTION is omitted, not the directory itself. This option only has an effect with the rootfs source plugin. + --include-path: This option is specific to wic. It adds the contents + of the given path or a rootfs to the resulting image. + The option contains two fields, the origin and the + destination. When the origin is a rootfs, it follows + the same logic as the rootfs-dir argument and the + permissions and owners are kept. When the origin is a + path, it is relative to the directory in which wic is + running not the rootfs itself so use of an absolute + path is recommended, and the owner and group is set to + root:root. If no destination is given it is + automatically set to the root of the rootfs. This + option only has an effect with the rootfs source + plugin. + + --change-directory: This option is specific to wic. It changes to the + given directory before copying the files. This + option is useful when we want to split a rootfs in + multiple partitions and we want to keep the right + permissions and usernames in all the partitions. + + --no-fstab-update: This option is specific to wic. It does not update the + '/etc/fstab' stock file for the given partition. + --extra-space: This option is specific to wic. It adds extra space after the space filled by the content of the partition. The final size can go @@ -986,6 +1030,11 @@ DESCRIPTION in bootloader configuration before running wic. In this case .wks file can be generated or modified to set preconfigured parition UUID using this option. + --fsuuid: This option is specific to wic. It specifies filesystem UUID. + It's useful if preconfigured filesystem UUID is added to kernel command line + in bootloader configuration before running wic. In this case .wks file can + be generated or modified to set preconfigured filesystem UUID using this option. + --system-id: This option is specific to wic. It specifies partition system id. It's useful for the harware that requires non-default partition system ids. The parameter in one byte long hex number either with 0x prefix or without it. @@ -1041,3 +1090,59 @@ NAME DESCRIPTION Specify a help topic to display it. Topics are shown above. """ + + +wic_help = """ +Creates a customized OpenEmbedded image. + +Usage: wic [--version] + wic help [COMMAND or TOPIC] + wic COMMAND [ARGS] + + usage 1: Returns the current version of Wic + usage 2: Returns detailed help for a COMMAND or TOPIC + usage 3: Executes COMMAND + + +COMMAND: + + list - List available canned images and source plugins + ls - List contents of partitioned image or partition + rm - Remove files or directories from the vfat or ext* partitions + help - Show help for a wic COMMAND or TOPIC + write - Write an image to a device + cp - Copy files and directories to the vfat or ext* partitions + create - Create a new OpenEmbedded image + + +TOPIC: + overview - Presents an overall overview of Wic + plugins - Presents an overview and API for Wic plugins + kickstart - Presents a Wic kickstart file reference + + +Examples: + + $ wic --version + + Returns the current version of Wic + + + $ wic help cp + + Returns the SYNOPSIS and DESCRIPTION for the Wic "cp" command. + + + $ wic list images + + Returns the list of canned images (i.e. *.wks files located in + the /scripts/lib/wic/canned-wks directory. + + + $ wic create mkefidisk -e core-image-minimal + + Creates an EFI disk image from artifacts used in a previous + core-image-minimal build in standard BitBake locations + (e.g. Cooked Mode). + +""" |