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[image] Support archive image formats independently of "imgextract" command

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Support for the zlib and gzip archive image formats is currently
included only if the IMAGE_ARCHIVE_CMD is used to enable the
"imgextract" command.

The ability to transparently execute a single-member archive image
without using the "imgextract" command renders this unintuitive: a
user wanting to gain the ability to boot a gzip-compressed kernel
image would expect to have to enable IMAGE_GZIP rather than
IMAGE_ARCHIVE_CMD.

Reverse the inclusion logic, so that archive image formats must now be
enabled explicitly (via IMAGE_GZIP and/or IMAGE_ZLIB), with the
archive image management commands dragged in as needed if any archive
image formats are enabled.  The archive image management commands may
be explicitly disabled via IMAGE_ARCHIVE_CMD if necessary.

This matches the behaviour of IBMGMT_CMD and similar options, where
the relevant commands are included only when something else already
drags in the underlying feature.

Signed-off-by: Michael Brown <mcb30@ipxe.org>
This commit is contained in:
Michael Brown
2021-05-12 14:37:57 +01:00
parent 62f732207e
commit d7bc9e9d67
3 changed files with 11 additions and 11 deletions
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6
src/config/general.h
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@@ -117,8 +117,8 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
#define IMAGE_PNG /* PNG image support */
#define IMAGE_DER /* DER image support */
#define IMAGE_PEM /* PEM image support */
#define IMAGE_ZLIB /* ZLIB image support */
#define IMAGE_GZIP /* GZIP image support */
//#define IMAGE_ZLIB /* ZLIB image support */
//#define IMAGE_GZIP /* GZIP image support */
/*
* Command-line commands to include
@@ -158,7 +158,7 @@ FILE_LICENCE ( GPL2_OR_LATER_OR_UBDL );
//#define NTP_CMD /* NTP commands */
//#define CERT_CMD /* Certificate management commands */
//#define IMAGE_MEM_CMD /* Read memory command */
//#define IMAGE_ARCHIVE_CMD /* Archive image management commands */
#define IMAGE_ARCHIVE_CMD /* Archive image management commands */
/*
* ROM-specific options