modules.d/99base/dracut-lib.sh

   1 getarg() {
   2     local o line
   3     [ "$CMDLINE" ] || read CMDLINE </proc/cmdline;
   4     for o in $CMDLINE; do
   5         [ "$o" = "$1" ] && return 0
   6         [ "${o%%=*}" = "${1%=}" ] && { echo ${o#*=}; return 0; }
   7     done
   8     return 1
   9 }
  10
  11 getargs() {
  12     local o line found
  13     [ "$CMDLINE" ] || read CMDLINE </proc/cmdline;
  14     for o in $CMDLINE; do
  15         [ "$o" = "$1" ] && return 0
  16         if [ "${o%%=*}" = "${1%=}" ]; then
  17             echo -n "${o#*=} ";
  18             found=1;
  19         fi
  20     done
  21     [ -n "$found" ] && return 0
  22     return 1
  23 }
  24
  25 source_all() {
  26     local f
  27     [ "$1" ] && [  -d "/$1" ] || return
  28     for f in "/$1"/*.sh; do [ -f "$f" ] && . "$f"; done
  29 }
  30
  31 die() {
  32     {
  33         echo "<1>dracut: FATAL: $@";
  34         echo "<1>dracut: Refusing to continue";
  35     } > /dev/kmsg
  36
  37     {
  38         echo "dracut: FATAL: $@";
  39         echo "dracut: Refusing to continue";
  40     } >&2
  41
  42     exit 1
  43 }
  44
  45 warn() {
  46     echo "<4>dracut Warning: $@" > /dev/kmsg
  47     echo "dracut Warning: $@" >&2
  48 }
  49
  50 info() {
  51     [ "$DRACUT_QUIET" ] || DRACUT_QUIET="x$(getarg quiet)"
  52     echo "<6>dracut: $@" > /dev/kmsg
  53     [ "$DRACUT_QUIET" != "xquiet" ] && \
  54         echo "dracut: $@" > /dev/console
  55 }
  56
  57 vinfo() {
  58     while read line; do
  59         info $line;
  60     done
  61 }
  62
  63 check_occurances() {
  64     # Count the number of times the character $ch occurs in $str
  65     # Return 0 if the count matches the expected number, 1 otherwise
  66     local str="$1"
  67     local ch="$2"
  68     local expected="$3"
  69     local count=0
  70
  71     while [ "${str#*$ch}" != "${str}" ]; do
  72         str="${str#*$ch}"
  73         count=$(( $count + 1 ))
  74     done
  75
  76     [ $count -eq $expected ]
  77 }
  78
  79 incol2() {
  80     local dummy check;
  81     local file="$1";
  82     local str="$2";
  83
  84     [ -z "$file" ] && return;
  85     [ -z "$str"  ] && return;
  86
  87     while read dummy check restofline; do
  88         [ "$check" = "$str" ] && return 0
  89     done < $file
  90     return 1
  91 }