dracut/0033-dracut.sh-remove-pop.patch

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From 694725abf0d4956bb07b5f96b7887a75e0f430df Mon Sep 17 00:00:00 2001
From: Harald Hoyer <harald@redhat.com>
Date: Thu, 9 Jul 2015 14:33:24 +0200
Subject: [PATCH] dracut.sh: remove pop()
---
dracut.sh | 119 ++++++++++++++------------------------------------------------
1 file changed, 27 insertions(+), 92 deletions(-)
diff --git a/dracut.sh b/dracut.sh
index f7609fa..54358f3 100755
--- a/dracut.sh
+++ b/dracut.sh
@@ -212,35 +212,10 @@ EOF
# Fills up host_devs stack variable and makes sure there are no duplicates
push_host_devs() {
local _dev
- [[ " ${host_devs[@]} " == *" $1 "* ]] && return
- host_devs+=( "$1" )
-}
-
-# function pop()
-# pops the last value from a stack
-# assigns value to second argument variable
-# or echo to stdout, if no second argument
-# $1 = stack variable
-# $2 = optional variable to store the value
-# example:
-# pop stack val
-# val=$(pop stack)
-pop() {
- local __stack=$1; shift
- local __resultvar=$1
- local _value;
- # check for empty stack
- eval '[[ ${#'${__stack}'[@]} -eq 0 ]] && return 1'
-
- eval _value='${'${__stack}'[${#'${__stack}'[@]}-1]}'
-
- if [[ "$__resultvar" ]]; then
- eval $__resultvar="'$_value'"
- else
- printf "%s" "$_value"
- fi
- eval unset ${__stack}'[${#'${__stack}'[@]}-1]'
- return 0
+ for _dev in "$@"; do
+ [[ " ${host_devs[@]} " == *" $_dev "* ]] && return
+ host_devs+=( "$_dev" )
+ done
}
# Little helper function for reading args from the commandline.
@@ -701,81 +676,52 @@ unset NPATH
# these optins add to the stuff in the config file
if (( ${#add_dracutmodules_l[@]} )); then
- while pop add_dracutmodules_l val; do
- add_dracutmodules+=" $val "
- done
+ add_dracutmodules+=" ${add_dracutmodules_l[@]} "
fi
if (( ${#force_add_dracutmodules_l[@]} )); then
- while pop force_add_dracutmodules_l val; do
- force_add_dracutmodules+=" $val "
- done
+ force_add_dracutmodules+=" ${force_add_dracutmodules_l[@]} "
fi
if (( ${#fscks_l[@]} )); then
- while pop fscks_l val; do
- fscks+=" $val "
- done
+ fscks+=" ${fscks_l[@]} "
fi
if (( ${#add_fstab_l[@]} )); then
- while pop add_fstab_l val; do
- add_fstab+=" $val "
- done
+ add_fstab+=" ${add_fstab_l[@]} "
fi
if (( ${#fstab_lines_l[@]} )); then
- while pop fstab_lines_l val; do
- fstab_lines+=($val)
- done
+ fstab_lines+=( "${fstab_lines_l[@]}" )
fi
if (( ${#install_items_l[@]} )); then
- while pop install_items_l val; do
- install_items+=" $val "
- done
+ install_items+=" ${install_items_l[@]} "
fi
if (( ${#install_optional_items_l[@]} )); then
- while pop install_optional_items_l val; do
- install_optional_items+=" $val "
- done
+ install_optional_items+=" ${install_optional_items_l[@]} "
fi
# these options override the stuff in the config file
if (( ${#dracutmodules_l[@]} )); then
- dracutmodules=''
- while pop dracutmodules_l val; do
- dracutmodules+="$val "
- done
+ dracutmodules="${dracutmodules_l[@]}"
fi
if (( ${#omit_dracutmodules_l[@]} )); then
- omit_dracutmodules=''
- while pop omit_dracutmodules_l val; do
- omit_dracutmodules+="$val "
- done
+ omit_dracutmodules="${omit_dracutmodules_l[@]}"
fi
if (( ${#filesystems_l[@]} )); then
- filesystems=''
- while pop filesystems_l val; do
- filesystems+="$val "
- done
+ filesystems="${filesystems_l[@]}"
fi
if (( ${#fw_dir_l[@]} )); then
- fw_dir=''
- while pop fw_dir_l val; do
- fw_dir+="$val "
- done
+ fw_dir="${fw_dir_l[@]}"
fi
if (( ${#libdirs_l[@]} )); then
- libdirs=''
- while pop libdirs_l val; do
- libdirs+="$val "
- done
+ libdirs="${libdirs_l[@]}"
fi
[[ $stdloglvl_l ]] && stdloglvl=$stdloglvl_l
@@ -925,38 +871,27 @@ dracutfunctions=$dracutbasedir/dracut-functions.sh
export dracutfunctions
if (( ${#drivers_l[@]} )); then
- drivers=''
- while pop drivers_l val; do
- drivers+="$val "
- done
+ drivers="${drivers_l[@]}"
fi
drivers=${drivers/-/_}
if (( ${#add_drivers_l[@]} )); then
- while pop add_drivers_l val; do
- add_drivers+=" $val "
- done
+ add_drivers+=" ${add_drivers_l[@]} "
fi
add_drivers=${add_drivers/-/_}
if (( ${#force_drivers_l[@]} )); then
- while pop force_drivers_l val; do
- force_drivers+=" $val "
- done
+ force_drivers+=" ${force_drivers_l[@]} "
fi
force_drivers=${force_drivers/-/_}
if (( ${#omit_drivers_l[@]} )); then
- while pop omit_drivers_l val; do
- omit_drivers+=" $val "
- done
+ omit_drivers+=" ${omit_drivers_l[@]} "
fi
omit_drivers=${omit_drivers/-/_}
if (( ${#kernel_cmdline_l[@]} )); then
- while pop kernel_cmdline_l val; do
- kernel_cmdline+=" $val "
- done
+ kernel_cmdline+=" ${kernel_cmdline_l[@]} "
fi
omit_drivers_corrected=""
@@ -1147,10 +1082,8 @@ for dev in $add_device; do
done
if (( ${#add_device_l[@]} )); then
- while pop add_device_l val; do
- add_device+=" $val "
- push_host_devs "$val"
- done
+ add_device+=" ${add_device_l[@]} "
+ push_host_devs "${add_device_l[@]}"
fi
if [[ $hostonly ]]; then
@@ -1527,7 +1460,7 @@ if [[ $kernel_only != yes ]]; then
[[ $kernel_cmdline ]] && printf "%s\n" "$kernel_cmdline" >> "${initdir}/etc/cmdline.d/01-default.conf"
- while pop fstab_lines line; do
+ for line in "${fstab_lines[@]}"; do
line=($line)
[ -z "${line[3]}" ] && line[3]="defaults"
[ -z "${line[4]}" ] && line[4]="0"
@@ -1566,7 +1499,9 @@ if [[ $kernel_only != yes ]]; then
done
fi
-while pop include_src src && pop include_target target; do
+for ((i=0; i < ${#include_src[@]}; i++)); do
+ src="${include_src[$i]}"
+ target="${include_target[$i]}"
if [[ $src && $target ]]; then
if [[ -f $src ]]; then
inst $src $target