gen_funcs.sh

   1 #!/bin/bash
   2
   3 isTrue() {
   4         case "$1" in
   5                 [Tt][Rr][Uu][Ee])
   6                         return 0
   7                 ;;
   8                 [Tt])
   9                         return 0
  10                 ;;
  11                 [Yy][Ee][Ss])
  12                         return 0
  13                 ;;
  14                 [Yy])
  15                         return 0
  16                 ;;
  17                 1)
  18                         return 0
  19                 ;;
  20         esac
  21         return 1
  22 }
  23
  24 if isTrue ${USECOLOR}
  25 then
  26         GOOD=$'\e[32;01m'
  27         WARN=$'\e[33;01m'
  28         BAD=$'\e[31;01m'
  29         NORMAL=$'\e[0m'
  30         BOLD=$'\e[0;01m'
  31         UNDER=$'\e[4m'
  32 else
  33         GOOD=''
  34         WARN=''
  35         BAD=''
  36         NORMAL=''
  37         BOLD=''
  38         UNDER=''
  39 fi
  40
  41 dump_debugcache() {
  42         TODEBUGCACHE=0
  43         echo "${DEBUGCACHE}" >> ${DEBUGFILE}
  44 }
  45
  46 # print_info(debuglevel, print [, newline [, prefixline [, forcefile ] ] ])
  47 print_info() {
  48         local NEWLINE=1
  49         local FORCEFILE=0
  50         local PREFIXLINE=1
  51         local SCRPRINT=0
  52         local STR=''
  53
  54         # NOT ENOUGH ARGS
  55         if [ "$#" -lt '2' ] ; then return 1; fi
  56
  57         # IF 3 OR MORE ARGS, CHECK IF WE WANT A NEWLINE AFTER PRINT
  58         if [ "$#" -gt '2' ]
  59         then
  60                 if isTrue "$3"
  61                 then
  62                         NEWLINE='1';
  63                 else
  64                         NEWLINE='0';
  65                 fi
  66         fi
  67
  68         # IF 4 OR MORE ARGS, CHECK IF WE WANT TO PREFIX WITH A *
  69         if [ "$#" -gt '3' ]
  70         then
  71                 if isTrue "$4"
  72                 then
  73                         PREFIXLINE='1'
  74                 else
  75                         PREFIXLINE='0'
  76                 fi
  77         fi
  78
  79         # IF 5 OR MORE ARGS, CHECK IF WE WANT TO FORCE OUTPUT TO DEBUG
  80         # FILE EVEN IF IT DOESN'T MEET THE MINIMUM DEBUG REQS
  81         if [ "$#" -gt '4' ]
  82         then
  83                 if isTrue "$5"
  84                 then
  85                         FORCEFILE='1'
  86                 else
  87                         FORCEFILE='0'
  88                 fi
  89         fi
  90
  91         # PRINT TO SCREEN ONLY IF PASSED DEBUGLEVEL IS HIGHER THAN
  92         # OR EQUAL TO SET DEBUG LEVEL
  93         if [ "$1" -lt "${DEBUGLEVEL}" -o "$1" -eq "${DEBUGLEVEL}" ]
  94         then
  95                 SCRPRINT='1'
  96         fi
  97
  98         # RETURN IF NOT OUTPUTTING ANYWHERE
  99         if [ "${SCRPRINT}" != '1' -a "${FORCEFILE}" != '1' ]
 100         then
 101                 return 0
 102         fi
 103
 104         # STRUCTURE DATA TO BE OUTPUT TO SCREEN, AND OUTPUT IT
 105         if [ "${SCRPRINT}" -eq '1' ]
 106         then
 107                 if [ "${PREFIXLINE}" = '1' ]
 108                 then
 109                         STR="${GOOD}*${NORMAL} ${2}"
 110                 else
 111                         STR="${2}"
 112                 fi
 113
 114                 if [ "${NEWLINE}" = '0' ]
 115                 then
 116                         echo -ne "${STR}"
 117                 else
 118                         echo "${STR}"
 119                 fi
 120         fi
 121
 122         # STRUCTURE DATA TO BE OUTPUT TO FILE, AND OUTPUT IT
 123         if [ "${SCRPRINT}" -eq '1' -o "${FORCEFILE}" -eq '1' ]
 124         then
 125                 STRR=${2//${WARN}/}
 126                 STRR=${STRR//${BAD}/}
 127                 STRR=${STRR//${BOLD}/}
 128                 STRR=${STRR//${NORMAL}/}
 129
 130                 if [ "${PREFIXLINE}" = '1' ]
 131                 then
 132                         STR="* ${STRR}"
 133                 else
 134                         STR="${STRR}"
 135                 fi
 136
 137                 if [ "${NEWLINE}" = '0' ]
 138                 then
 139                         if [ "${TODEBUGCACHE}" -eq 1 ]; then
 140                                 DEBUGCACHE="${DEBUGCACHE}${STR}"
 141                         else
 142                                 echo -ne "${STR}" >> ${DEBUGFILE}
 143                         fi
 144                 else
 145                         if [ "${TODEBUGCACHE}" -eq 1 ]; then
 146                                 DEBUGCACHE="${DEBUGCACHE}${STR}"$'\n'
 147                         else
 148                                 echo "${STR}" >> ${DEBUGFILE}
 149                         fi
 150                 fi
 151         fi
 152
 153         return 0
 154 }
 155
 156 print_error()
 157 {
 158         GOOD=${BAD} print_info "$@"
 159 }
 160
 161 print_warning()
 162 {
 163         GOOD=${WARN} print_info "$@"
 164 }
 165
 166 # var_replace(var_name, var_value, string)
 167 # $1 = variable name
 168 # $2 = variable value
 169 # $3 = string
 170
 171 var_replace()
 172 {
 173   echo "${3}" | sed -e "s/%%${1}%%/${2}/g" -
 174 }
 175
 176 arch_replace() {
 177   var_replace "ARCH" "${ARCH}" "${1}"
 178 }
 179
 180 clear_log() {
 181         [ -f "${DEBUGFILE}" ] && echo > "${DEBUGFILE}"
 182 }
 183
 184 gen_die() {
 185         dump_debugcache
 186
 187         if [ "$#" -gt '0' ]
 188         then
 189                 print_error 1 "ERROR: ${1}"
 190         fi
 191         echo
 192         print_info 1 "-- Grepping log... --"
 193         echo
 194
 195         if isTrue ${USECOLOR}
 196         then
 197                 GREP_COLOR='1' grep -B5 -E --colour=always "([Ww][Aa][Rr][Nn][Ii][Nn][Gg]|[Ee][Rr][Rr][Oo][Rr][ :,!]|[Ff][Aa][Ii][Ll][Ee]?[Dd]?)" ${DEBUGFILE}
 198         else
 199                 grep -B5 -E "([Ww][Aa][Rr][Nn][Ii][Nn][Gg]|[Ee][Rr][Rr][Oo][Rr][ :,!]|[Ff][Aa][Ii][Ll][Ee]?[Dd]?)" ${DEBUGFILE}
 200         fi
 201         echo
 202         print_info 1 "-- End log... --"
 203         echo
 204         print_info 1 "Please consult ${DEBUGFILE} for more information and any"
 205         print_info 1 "errors that were reported above."
 206         echo
 207         print_info 1 "Report any genkernel bugs to bugs.gentoo.org and"
 208         print_info 1 "assign your bug to genkernel@gentoo.org. Please include"
 209         print_info 1 "as much information as you can in your bug report; attaching"
 210         print_info 1 "${DEBUGFILE} so that your issue can be dealt with effectively."
 211         print_info 1 ''
 212         print_info 1 'Please do *not* report compilation failures as genkernel bugs!'
 213         print_info 1 ''
 214         exit 1
 215 }
 216
 217 has_loop() {
 218         dmesg | egrep -q '^loop:'
 219         if [ -e '/dev/loop0' -o -e '/dev/loop/0' -a $? ]
 220         then
 221                 # We found devfs or standard dev loop device, assume
 222                 # loop is compiled into the kernel or the module is loaded
 223                 return 0
 224         else
 225                 return 1
 226         fi
 227 }
 228
 229 isBootRO()
 230 {
 231         for mo in `grep ' /boot ' /proc/mounts | cut -d ' ' -f 4 | sed -e 's/,/ /'`
 232         do
 233                 if [ "x${mo}x" == "xrox" ]
 234                 then
 235                         return 0
 236                 fi
 237         done
 238         return 1
 239 }