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overlay coreos-base/common-oem-files: Move hack description down

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EAPI needs to be defined within first 24 lines, so the description
would push the definition too much down as it needs to happen after
possible declaration of EAPI as local for the source case.
This commit is contained in:
Krzesimir Nowak 2023-11-02 08:28:48 +01:00
parent 8a75eba906
commit 9a780a3e90
1 changed files with 22 additions and 26 deletions
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48
sdk_container/src/third_party/coreos-overlay/coreos-base/common-oem-files/common-oem-files-0-r4.ebuild vendored
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@ -1,30 +1,14 @@
# Copyright (c) 2023 The Flatcar Maintainers.
# Distributed under the terms of the GNU General Public License v2
# This is a terrible hack done in order to avoid excessive duplication
# of OEM IDs around the place. This ebuild basically serves as a
# Gentoo ebuild (duh…) and as a bash file to be sourced in order to
# get arch-specific information about possible OEM IDs. The latter
# role is assumed when the ebuild is sourced with first argument being
# 'flatcar-local-variables'. This role is used by our image-changes
# job. All this fluff needs to happen before we define or invoke any
# Gentoo-specific variables or functions like "EAPI" or "inherit" that
# may mess up sourcing.
#
# This can't be done with a separate shell file in FILESDIR (I tried),
# because portage moves the ebuild into some temporary directory where
# FILESDIR, although defined, does not even exist. Probably a security
# measure or something. So this needs to be done as
# all-in-terrible-one (as opposed to all-in-wonder-one).
##
## BEGIN HACK
##
# Hack description below.
if [[ ${1:-} = 'flatcar-local-variables' ]]; then
local -a COMMON_OEMIDS ARM64_ONLY_OEMIDS AMD64_ONLY_OEMIDS OEMIDS
local -a EAPI COMMON_OEMIDS ARM64_ONLY_OEMIDS AMD64_ONLY_OEMIDS OEMIDS
fi
EAPI=8
COMMON_OEMIDS=(
ami
azure
@ -48,17 +32,29 @@ OEMIDS=(
)
if [[ ${1:-} = 'flatcar-local-variables' ]]; then
# Leave the sourced script here.
unset EAPI
return 0
else
unset COMMON_OEMIDS ARM64_ONLY_OEMIDS AMD64_ONLY_OEMIDS
fi
##
## END HACK
##
EAPI=8
# The hack above was done in order to avoid excessive duplication of
# OEM IDs around the place. This ebuild serves as a Gentoo ebuild and
# as a bash file to be sourced in order to get arch-specific
# information about possible OEM IDs. The latter role is assumed when
# the ebuild is sourced with first argument being
# 'flatcar-local-variables'. This role is used by our image-changes
# job. All this fluff needs to happen before we define or invoke any
# Gentoo-specific variables or functions like "DEPEND" or "inherit"
# that may mess up sourcing. The only exception is EAPI, which must
# happen in first 24 lines of the ebuild - this is defined in Package
# Manager Specification and is enforced by portage.
#
# This can't be done with a separate shell file in FILESDIR, because
# portage moves the ebuild into some temporary directory where
# FILESDIR, although defined, does not even exist at first - it shows
# up during the invocation of any src_ functions. Probably a security
# measure or something.
DESCRIPTION='Common OEM files'
HOMEPAGE='https://www.flatcar.org/'