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wic: Add option to not change fstab

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Create an option to wic doesn't change fstab file, the final
fstab file will be same that in rootfs and wic doesn't update
file, e.g adding a new mount point.

Users can control the fstab file content in base-files recipe.
This is useful if you want to only create an partition but not
add fstab mount point or add new mount point using label e.g:

LABEL=recovery /recovery auto defaults 0  1

(From OE-Core rev: 00420ec42140c1b752132bda190dede85756d157)

Signed-off-by: Fabio Berton <fabio.berton@ossystems.com.br>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Fabio Berton 2017-04-19 13:42:47 -03:00 committed by Richard Purdie
parent b7485a0880
commit 5c98f20f5c
3 changed files with 13 additions and 2 deletions
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7
scripts/lib/wic/help.py
View File

@ -155,7 +155,7 @@ SYNOPSIS
[-e | --image-name] [-s, --skip-build-check] [-D, --debug]
[-r, --rootfs-dir] [-b, --bootimg-dir]
[-k, --kernel-dir] [-n, --native-sysroot] [-f, --build-rootfs]
[-c, --compress-with] [-m, --bmap]
[-c, --compress-with] [-m, --bmap] [--no-fstab-update]
DESCRIPTION
This command creates an OpenEmbedded image based on the 'OE
@ -227,6 +227,11 @@ DESCRIPTION
The -m option is used to produce .bmap file for the image. This file
can be used to flash image using bmaptool utility.
The --no-fstab-update option is used to doesn't change fstab file. When
using this option the final fstab file will be same that in rootfs and
wic doesn't update file, e.g adding a new mount point. User can control
the fstab file content in base-files recipe.
"""
wic_list_usage = """

6
scripts/lib/wic/plugins/imager/direct.py
View File

@ -71,6 +71,7 @@ class DirectPlugin(ImagerPlugin):
self.outdir = options.outdir
self.compressor = options.compressor
self.bmap = options.bmap
self.no_fstab_update = options.no_fstab_update
self.name = "%s-%s" % (os.path.splitext(os.path.basename(wks_file))[0],
strftime("%Y%m%d%H%M"))
@ -165,7 +166,10 @@ class DirectPlugin(ImagerPlugin):
filesystems from the artifacts directly and combine them into
a partitioned image.
"""
new_rootfs = self._write_fstab(self.rootfs_dir.get("ROOTFS_DIR"))
if self.no_fstab_update:
new_rootfs = None
else:
new_rootfs = self._write_fstab(self.rootfs_dir.get("ROOTFS_DIR"))
if new_rootfs:
# rootfs was copied to update fstab
self.rootfs_dir['ROOTFS_DIR'] = new_rootfs

2
scripts/wic
View File

@ -342,6 +342,8 @@ def wic_init_parser_create(subparser):
dest='compressor',
help="compress image with specified compressor")
subparser.add_argument("-m", "--bmap", action="store_true", help="generate .bmap")
subparser.add_argument("--no-fstab-update" ,action="store_true",
help="Do not change fstab file.")
subparser.add_argument("-v", "--vars", dest='vars_dir',
help="directory with <image>.env files that store "
"bitbake variables")