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wic: add --fixed-size wks option

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Added new option --fixed-size to wks. The option can be used to indicate
the exact size of a partition. The option cannot be added together with
--size, in which case an error will be raised. Other options that
influence automatic partition size (--extra-space, --overhead-factor),
if specifiec along with --fixed-size, will raise an error.

If it partition data is larger than the amount of space specified with
--fixed-size option wic will raise an error.

(From OE-Core rev: fdd217ba874bd480e0180830fe2e6bd54dde19d9)

Signed-off-by: Maciej Borzecki <maciej.borzecki@rndity.com>
Signed-off-by: Ross Burton <ross.burton@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Maciej Borzecki
2016-12-19 12:20:58 +01:00
committed by Richard Purdie
parent 5903182484
commit 1988bae5bf
5 changed files with 105 additions and 42 deletions
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scripts/lib/wic/help.py
+11 -3
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@@ -646,6 +646,12 @@ DESCRIPTION
not specified, the size is in MB.
You do not need this option if you use --source.
--fixed-size: Exact partition size. Value format is the same
as for --size option. This option cannot be
specified along with --size. If partition data
is larger than --fixed-size and error will be
raised when assembling disk image.
--source: This option is a wic-specific option that names the
source of the data that will populate the
partition. The most common value for this option
@@ -719,13 +725,15 @@ DESCRIPTION
space after the space filled by the content
of the partition. The final size can go
beyond the size specified by --size.
By default, 10MB.
By default, 10MB. This option cannot be used
with --fixed-size option.
--overhead-factor: This option is specific to wic. The
size of the partition is multiplied by
this factor. It has to be greater than or
equal to 1.
The default value is 1.3.
equal to 1. The default value is 1.3.
This option cannot be used with --fixed-size
option.
--part-type: This option is specific to wic. It specifies partition
type GUID for GPT partitions.