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dracut
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fix: shellcheck for dracut-logger.sh

master
Harald Hoyer 2021-02-12 13:26:09 +01:00 committed by Harald Hoyer
parent 6510ab3f9d
commit aa225ca3b0
1 changed files with 27 additions and 27 deletions
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54
dracut-logger.sh
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@ -18,7 +18,7 @@
# along with this program. If not, see <http://www.gnu.org/licenses/>.


__DRACUT_LOGGER__=1
export __DRACUT_LOGGER__=1


## @brief Logging facility module for dracut both at build- and boot-time.
@ -114,13 +114,13 @@ dlog_init() {

if [ -z "$fileloglvl" ]; then
[ -w "$logfile" ] && fileloglvl=4 || fileloglvl=0
elif (( $fileloglvl > 0 )); then
elif (( fileloglvl > 0 )); then
if [[ $logfile ]]; then
__oldumask=$(umask)
umask 0377
! [ -e "$logfile" ] && >"$logfile"
umask $__oldumask
if [ -w "$logfile" -a -f "$logfile" ]; then
! [ -e "$logfile" ] && : >"$logfile"
umask "$__oldumask"
if [[ -w $logfile ]] && [[ -f $logfile ]]; then
# Mark new run in the log file
echo >>"$logfile"
if command -v date >/dev/null; then
@ -138,12 +138,12 @@ dlog_init() {
fi
fi

if (( $UID != 0 )); then
if (( UID != 0 )); then
kmsgloglvl=0
sysloglvl=0
fi

if (( $sysloglvl > 0 )); then
if (( sysloglvl > 0 )); then
if [[ -d /run/systemd/journal ]] \
&& type -P systemd-cat &>/dev/null \
&& systemctl --quiet is-active systemd-journald.socket &>/dev/null \
@ -153,7 +153,7 @@ dlog_init() {
readonly _dlogfd=15
systemd-cat -t 'dracut' --level-prefix=true <"$_systemdcatfile" &
exec 15>"$_systemdcatfile"
elif ! [ -S /dev/log -a -w /dev/log ] || ! command -v logger >/dev/null; then
elif ! [[ -S /dev/log ]] && [[ -w /dev/log ]] || ! command -v logger >/dev/null; then
# We cannot log to syslog, so turn this facility off.
kmsgloglvl=$sysloglvl
sysloglvl=0
@ -162,7 +162,7 @@ dlog_init() {
fi
fi

if (($sysloglvl > 0)) || (($kmsgloglvl > 0 )); then
if (( sysloglvl > 0 )) || (( kmsgloglvl > 0 )); then
if [ -n "$dracutbasedir" ]; then
readonly syslogfacility=user
else
@ -173,40 +173,40 @@ dlog_init() {

local lvl; local maxloglvl_l=0
for lvl in $stdloglvl $sysloglvl $fileloglvl $kmsgloglvl; do
(( $lvl > $maxloglvl_l )) && maxloglvl_l=$lvl
(( lvl > maxloglvl_l )) && maxloglvl_l=$lvl
done
readonly maxloglvl=$maxloglvl_l
export maxloglvl


if (($stdloglvl < 6)) && (($kmsgloglvl < 6)) && (($fileloglvl < 6)) && (($sysloglvl < 6)); then
if (( stdloglvl < 6 )) && ((kmsgloglvl < 6)) && ((fileloglvl < 6)) && ((sysloglvl < 6)); then
unset dtrace
dtrace() { :; };
fi

if (($stdloglvl < 5)) && (($kmsgloglvl < 5)) && (($fileloglvl < 5)) && (($sysloglvl < 5)); then
if ((stdloglvl < 5)) && ((kmsgloglvl < 5)) && ((fileloglvl < 5)) && ((sysloglvl < 5)); then
unset ddebug
ddebug() { :; };
fi

if (($stdloglvl < 4)) && (($kmsgloglvl < 4)) && (($fileloglvl < 4)) && (($sysloglvl < 4)); then
if ((stdloglvl < 4)) && ((kmsgloglvl < 4)) && ((fileloglvl < 4)) && ((sysloglvl < 4)); then
unset dinfo
dinfo() { :; };
fi

if (($stdloglvl < 3)) && (($kmsgloglvl < 3)) && (($fileloglvl < 3)) && (($sysloglvl < 3)); then
if ((stdloglvl < 3)) && ((kmsgloglvl < 3)) && ((fileloglvl < 3)) && ((sysloglvl < 3)); then
unset dwarn
dwarn() { :; };
unset dwarning
dwarning() { :; };
fi

if (($stdloglvl < 2)) && (($kmsgloglvl < 2)) && (($fileloglvl < 2)) && (($sysloglvl < 2)); then
if ((stdloglvl < 2)) && ((kmsgloglvl < 2)) && ((fileloglvl < 2)) && ((sysloglvl < 2)); then
unset derror
derror() { :; };
fi

if (($stdloglvl < 1)) && (($kmsgloglvl < 1)) && (($fileloglvl < 1)) && (($sysloglvl < 1)); then
if ((stdloglvl < 1)) && ((kmsgloglvl < 1)) && ((fileloglvl < 1)) && ((sysloglvl < 1)); then
unset dfatal
dfatal() { :; };
fi
@ -241,7 +241,7 @@ _lvl2char() {
# @retval 0 if @a lvl is correct.
# @result Echoes logger priority.
_lvl2syspri() {
printf $syslogfacility.
printf "%s" -- "$syslogfacility."
case "$1" in
1) echo crit;;
2) echo error;;
@ -288,7 +288,7 @@ _dlvl2syslvl() {
*) return 1;;
esac

[ "$syslogfacility" = user ] && echo $((8+$lvl)) || echo $((24+$lvl))
[ "$syslogfacility" = user ] && echo $(( 8 + lvl )) || echo $(( 24 + lvl ))
}

## @brief Prints to stderr and/or writes to file, to syslog and/or /dev/kmsg
@ -323,22 +323,22 @@ _do_dlog() {
local msg="$*"
local lmsg="$lvlc: $*"

(( $lvl <= $stdloglvl )) && printf -- 'dracut: %s\n' "$msg" >&2
(( lvl <= stdloglvl )) && printf -- 'dracut: %s\n' "$msg" >&2

if (( $lvl <= $sysloglvl )); then
if (( lvl <= sysloglvl )); then
if [[ "$_dlogfd" ]]; then
printf -- "<%s>%s\n" "$(($(_dlvl2syslvl $lvl) & 7))" "$msg" >&$_dlogfd
printf -- "<%s>%s\n" "$(($(_dlvl2syslvl "$lvl") & 7))" "$msg" >&$_dlogfd
else
logger -t "dracut[$$]" -p $(_lvl2syspri $lvl) -- "$msg"
logger -t "dracut[$$]" -p "$(_lvl2syspri "$lvl")" -- "$msg"
fi
fi

if (( $lvl <= $fileloglvl )) && [[ -w "$logfile" ]] && [[ -f "$logfile" ]]; then
if (( lvl <= fileloglvl )) && [[ -w "$logfile" ]] && [[ -f "$logfile" ]]; then
echo "$lmsg" >>"$logfile"
fi

(( $lvl <= $kmsgloglvl )) && \
echo "<$(_dlvl2syslvl $lvl)>dracut[$$] $msg" >/dev/kmsg
(( lvl <= kmsgloglvl )) && \
echo "<$(_dlvl2syslvl "$lvl")>dracut[$$] $msg" >/dev/kmsg
}

## @brief Internal helper function for _do_dlog()
@ -359,12 +359,12 @@ _do_dlog() {
# echo "This is a warning" | dwarn
dlog() {
[ -z "$maxloglvl" ] && return 0
(( $1 <= $maxloglvl )) || return 0
(( $1 <= maxloglvl )) || return 0

if (( $# > 1 )); then
_do_dlog "$@"
else
while read line || [ -n "$line" ]; do
while read -r line || [ -n "$line" ]; do
_do_dlog "$1" "$line"
done
fi