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wic: bootimg-efi: Support + symbol in filenames

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Allow the '+' symbol as a valid character in filenames listed in the
IMAGE_EFI_BOOT_FILES variable.

The '+' symbol might be used to support boot counting for boot entries,
as described in the UAPI Boot Loader Specification [1]:

The boot counting data is stored in the name of the boot loader entry.
A boot loader entry file name may contain a plus (+) followed by a
number. This may optionally be followed by a minus (-)
followed by a second number. The dot (.) and file name suffix
(conf or efi) must immediately follow.
Boot counting is enabled for entries which match this pattern.

Example:
IMAGE_EFI_BOOT_FILES:append = " entry.conf;loader/entries/entry+3.conf"

[1] https://uapi-group.org/specifications/specs/boot_loader_specification/#boot-counting
(From OE-Core rev: 3f25822281eb9423ff86105eaebb0bed48663648)

Signed-off-by: Igor Opaniuk <igor.opaniuk@foundries.io>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
This commit is contained in:
Igor Opaniuk 2025-02-06 21:05:18 +01:00 committed by Richard Purdie
parent 2f816f756b
commit 10870db533
1 changed files with 1 additions and 1 deletions
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2
scripts/lib/wic/plugins/source/bootimg-efi.py
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@ -252,7 +252,7 @@ class BootimgEFIPlugin(SourcePlugin):
# list of tuples (src_name, dst_name)
deploy_files = []
for src_entry in re.findall(r'[\w;\-\./\*]+', boot_files):
for src_entry in re.findall(r'[\w;\-\.\+/\*]+', boot_files):
if ';' in src_entry:
dst_entry = tuple(src_entry.split(';'))
if not dst_entry[0] or not dst_entry[1]: