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eclass/estack: Sync with gentoo

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It's from gentoo commit 2f653f03c381cd6c4b1c7fc3aa7b25901fc8b47f.
This commit is contained in:
Krzesimir Nowak 2021-12-21 09:55:57 +01:00
parent 27432830c2
commit a8c0b3a950
1 changed files with 7 additions and 17 deletions
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24
sdk_container/src/third_party/portage-stable/eclass/estack.eclass vendored
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@ -1,4 +1,4 @@
# Copyright 1999-2017 Gentoo Foundation
# Copyright 1999-2020 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
# @ECLASS: estack.eclass
@ -115,7 +115,8 @@ evar_pop() {
local cnt=${1:-bad}
case $# in
0) cnt=1 ;;
1) isdigit "${cnt}" || die "${FUNCNAME}: first arg must be a number: $*" ;;
1) [[ -z ${cnt//[0-9]} ]] \
|| die "${FUNCNAME}: first arg must be a number: $*" ;;
*) die "${FUNCNAME}: only accepts one arg: $*" ;;
esac
@ -153,12 +154,13 @@ evar_pop() {
# eshopts_pop
# @CODE
eshopts_push() {
# Save both "shopt" and "set -o" option sets, because otherwise
# restoring posix would disable expand_aliases by side effect. #662586
estack_push eshopts "$(shopt -p -o) $(shopt -p)"
if [[ $1 == -[su] ]] ; then
estack_push eshopts "$(shopt -p)"
[[ $# -eq 0 ]] && return 0
[[ $# -le 1 ]] && return 0
shopt "$@" || die "${FUNCNAME}: bad options to shopt: $*"
else
estack_push eshopts "$(shopt -p -o)"
[[ $# -eq 0 ]] && return 0
set "$@" || die "${FUNCNAME}: bad options to set: $*"
fi
@ -196,17 +198,5 @@ eumask_pop() {
umask ${s} || die "${FUNCNAME}: sanity: could not restore umask: ${s}"
}
# @FUNCTION: isdigit
# @USAGE: <number> [more numbers]
# @DESCRIPTION:
# Return true if all arguments are numbers.
isdigit() {
local d
for d ; do
[[ ${d:-bad} == *[!0-9]* ]] && return 1
done
return 0
}
_ESTACK_ECLASS=1
fi #_ESTACK_ECLASS