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# vim: set filetype=sh :
# file: /usr/share/bootcd/bootcd.lib
# copyright: Bernd Schumacher <bernd.schumacher@hpe.com> (2001-2020)
# license: GNU General Public License, version 3
# description: bootcd.lib - functions needed by bootcd scripts
chng_opts()
{
local O
local C
local CNOT
local CADD
O="$(echo " $1 " | sed "s/[[:blank:]]\+/ /g")"
C="$(echo " $2 " | sed "s/[[:blank:]]\+/ /g")"
CNOT="$(echo "$C" |
sed -e "s/!//g" -e "s/ [^ -]\+//g" -e "s/^ //" -e "s/ $//")"
CADD="$(echo "$C"| sed -e "s/ ![^ ]\+//g" -e "s/^ //" -e "s/ $//")"
# echo "DEBUG O=<$O>" >&2
# echo "DEBUG C=<$C>" >&2
# echo "DEBUG CNOT=<$CNOT>" >&2
# echo "DEBUG CADD=<$CADD>" >&2
for i in $CNOT; do
# echo "DEBUG i=<$i>" >&2
O="$(echo "$O" | sed "s/ $i [^-]*/ /g")"
# echo "DEBUG O=<$O>" >&2
done
O="$(echo "$O"| sed -e "s/^ //" -e "s/ $//")"
# echo "DEBUG O=<$O>" >&2
echo "$O $CADD"
}
#echo "test: chng_opts \"-one -two 2 -three drei -four\" \"!-three !-one -two -five 5\"" >&2
#echo "expect: -four -two -five 5" >&2
#echo "result: $(chng_opts "-one -two 2 -three drei -four" "!-three !-one -two -five 5")" >&2
#echo "test: chng_opts \"--one --two 7 --three 8\" \"--three 9\""
#echo "result: $(chng_opts "--one --two 7 --three 8" "--three 9")"
#echo "test: chng_opts \"-a -b\" \"\""
#echo "result: $(chng_opts "-a -b" "")"
#exit 0
oneline()
{
if [ $# -gt 0 ]; then
echo "$*"
else
cat
fi | gawk '{printf("%s ",$0)} END {printf("\n")}' | sed "s/ *$//"
}
# ex_proc [-r <PATH_TO_ROOTFS(eval)>] <directory(eval)> ...
# exclude proc, sys and run dirs from given directories
ex_proc()
{
local SRCDISK SRCDI i n f
SRCDISK=/
if [ "$1" = "-r" ]; then
SRCDISK="$(realpath "$2")"
SRCDI="$SRCDISK"; [ "$SRCDI" = "/" ] && SRCDI=""
shift 2
fi
if [ $# -gt 0 ]; then
for i in "$@"; do
if [ "$(realpath "$i")" = "$SRCDISK" ]; then
eval "set $(find "$SRCDISK" -maxdepth 1 -exec /bin/sh -c '. /usr/share/shellia/ia; ia_set2var "$@"' sh {} +)"
n=$#
for f in "$@"; do
echo "$f" | grep -e "^$SRCDISK$" -e "^$SRCDI/proc$" -e "^$SRCDI/sys$" -e "^$SRCDI/run$" >/dev/null || set -- "$@" "$f"
done
shift $n
ia_set2var "$@"
else
ia_set2var "$(realpath "$i")"
fi
/bin/echo -n " "
done | sed -e "s/ $//"
fi
}
#. /usr/share/shellia/ia
#a="$(ex_proc /)"
#b="$(ia_set2var /home /proc /sys/ /run /etc)"
#exp="$(ia_set2var /proc /sys/ /run)"
#res="$(ia_set_minus "$b" "$a")"
#[ "$res" = "$exp" ] && echo "ex_proc-1 OK res=<$res>" || echo "ex_proc-1 ERR res=<$res> exp=<$exp>"
#SRCDISK="$(mktemp -d --suffix "s p a c e")"
#mkdir "$SRCDISK/a a" "$SRCDISK/proc" "$SRCDISK/b b"
#touch "$SRCDISK/a a/f"
#exp="$(ia_set2var "$SRCDISK/a a" "$SRCDISK/b b")"
#res="$(ex_proc -r "$SRCDISK" "$SRCDISK")"
#[ "$res" = "$exp" ] && echo "ex_proc-2 OK res=<$res>" || echo "ex_proc-2 ERR res=<$res> exp=<$exp>"
#rm -r "$SRCDISK"
#exit 0
# du_dir <dir> [...] - How much space do given dirs need togehter
du_dir()
{
local LIST1
local LAST
local LIST2
local LIST3
local result
if [ $# -gt 0 ]; then
LIST1="$(for i in "$@"; do
/usr/bin/echo -n "\"$(realpath "$i")\" "
done | sort | sed "s/ $//")"
LAST=""; LIST2=""
eval "set -- $LIST1"
for i in "$@"; do
if [ "$LAST" ]; then
if [ "$LAST" = "/" ]; then
[ "$(echo "$i" | grep "^/")" ] && i=""
else
[ "$(echo "$i" | grep "^$LAST\>")" ] && i=""
fi
fi
if [ "$i" ]; then
[ "$LIST2" ] && LIST2="$LIST2 "
LIST2="${LIST2}\"$i\""
LAST="$i"
fi
done
eval "set -- $LIST2"
LIST3=$(ex_proc "$@")
dbg "du -klsc $LIST3"
eval "set -- $LIST3"
result="$(du -klsc "$@" | tail -1 | gawk '{print $1}')"
dbg "$result"
echo "$result"
fi
}
#. /usr/share/shellia/ia
#dbg() { :; }
#dbg() { echo "dbg <$1>" >&2; }
#d1="$(mktemp -d)"
#d2="$(mktemp -d --suffix " with blanks")"
#dd if=/dev/zero of="$d1/f" bs=10000000 count=1 >/dev/null 2>&1
#dd if=/dev/zero of="$d2/f" bs=10000000 count=2 >/dev/null 2>&1
#s1="$(du_dir "$d1")"
#s2="$(du_dir "$d2")"
#s3="$(du_dir "$d1" "$d2")"
#dbg "s1=<$s1> s2=<$s2> s3=<$s3>"
#[ "$((s1 + s2))" = "$s3" ] && echo "du_dir-1 OK" || echo "ERR du_dir-1 ERR: s1=<$s1> s2=<$s2> s3=<$s3>"
#s3="$(du_dir "$d1" "$d1" "$d1/f" "$d2" "$d2" "$d2/f")"
#[ "$((s1 + s2))" = "$s3" ] && echo "du_dir-2 OK" || echo "ERR du_dir-2 ERR: s1=<$s1> s2=<$s2> s3=<$s3>"
#s1="$(du_dir /etc)"
#s2="$(du_dir /etc/network)"
#s3="$(du_dir /usr/sbin)"
#s4="$(du_dir /etc /etc/network)"
#s5="$(du_dir /etc /usr/sbin)"
#dbg "s1=/etc=<$s1> s2-/etc/network=<$s2> s3=/usr/sbin=<$s3> s4=/etc,/etc/network=<$s4> s5=/etc/,/usr/sbin=<$s5>"
#[ "$s1" = "$s4" ] && echo "du_dir-2 OK s1=s4" || echo "du_dir-2 ERR: s1!=s4"
#[ "$((s1 + s3))" = "$s5" ] && echo "du_dir-3 OK s1+s3=s5" || echo "du_dir-3 ERR: s1+s3!=s5"
#exit 0
# df_file - How much free space has the filesystem on which file $1 resides ?
df_file()
{
df -k -P | gawk '{printf("%s %s\n",$4,$6)}' |
while read size filesys
do
if [ "$(echo "$1" | grep "^$filesys")" ]; then
namelen=$(echo $filesys | wc -c)
echo "$namelen $filesys $size"
fi
done |
sort -n | tail -1 | gawk '{print $3}'
}
#df_file /home/bianca/daten
#exit 0
# disable_persisten_net_rules <old_root> <new_root>
disable_persistent_net_rules()
{
local old_root
local new_root
local d
local new
old_root="$1"
new_root="$2" # maybe $old_root=$new_root
d=etc/udev/rules.d
if [ -d $old_root/$d ]; then
for i in $(cd $old_root/$d; ls *persistent-net.rules 2>/dev/null); do
new="$(sed "s/^\([^#]\+.*\)/#\1 # disabled by $CMD/" $old_root/$d/$i)"
mkdir -p $new_root/$d
echo "$new" > $new_root/$d/$i
done
fi
}
# typefun <function> [...]
# returns <function> if <function> exists, or empty
# tested successful with bash, dash, busybox sh, mksh
# will not work with: posh
typefun()
{
for i in $*; do
LANG=C type $i 2>&1 | head -1 | sed -n -E "s/^(\S+) .* function$/\1/p"
done
}
#RES="$(typefun typefun)"
#[ "$RES" ] && echo "OK mytype 1" || echo "ERROR mytype 1"
#RES="$(typefun nonexist)"
#[ ! "$RES" ] && echo "OK mytype 2" || echo "ERROR mytype 2"
#DISK95() { :; }
#DISK9() { :; }
#RES="$(typefun $(seq 0 99 | sed "s/^/DISK/"))"
#EXP="DISK9
#DISK95"
#[ "$RES" = "$EXP" ] && echo "OK mytype 3" || echo "ERROR mytype 3"
#unset -f DISK9
#unset -f DISK95
#exit 0
# cpmod <file1> <file2> # copy chmod of <file1> to <file2>
cpmod()
{
chmod $(stat -c "%a" $1) $2
}
#a="$(mktemp)"
#b="$(mktemp)"
#chmod 750 $a
#chmod 755 $b
#RES="$(/bin/ls -l $a | cut -c1-10)"
#RES="$RES $(/bin/ls -l $b | cut -c1-10)"
#cpmod $a $b
#RES="$RES $(/bin/ls -l $b | cut -c1-10)"
#EXP="-rwxr-x--- -rwxr-xr-x -rwxr-x---"
#[ "$RES" = "$EXP" ] && echo "OK cpmod-1" || echo "ERROR cpmod-1"
#rm $a $b
#exit 0
|
