scripts/mono-find-requires.in

   1 #!/bin/bash
   2 #
   3 # mono-find-requires
   4 #
   5 # Authors:
   6 #       Ben Maurer (bmaurer@ximian.com)
   7 #       Wade Berrier (wberrier@novell.com)
   8 #
   9 # (C) 2008 Novell (http://www.novell.com)
  10 #
  11
  12 IFS=$'\n'
  13 filelist=($(grep -Ev '/usr/doc/|/usr/share/doc/'))
  14 monolist=($(printf "%s\n" "${filelist[@]}" | egrep "\\.(exe|dll)\$"))
  15
  16 # parse .config files to find which native libraries to depend on
  17 #  (target attribute must have double quotes for this to work, ie: target="file" )
  18 # Add /etc/mono/config ?
  19 configlist=($(printf "%s\n" "${filelist[@]}" | egrep "\\.config\$"))
  20
  21 # Set the prefix, unless it is overriden (used when building mono rpms)
  22 : ${prefix=@prefix@}
  23
  24 # Can override .config scanning if specified
  25 : ${IGNORE_CONFIG_SCAN=0}
  26
  27 libdir=$prefix/@reloc_libdir@
  28 bindir=$prefix/bin
  29
  30 # Bail out if monodis or libmono is missing
  31 if [ ! -x $bindir/monodis ] || [ ! -f $libdir/libmono.so ] ; then
  32         echo "monodis missing or unusable, exiting..." 1>&2
  33         exit 1
  34 fi
  35
  36 # special case for 64bit archs
  37 if test "x@reloc_libdir@" = "xlib64" ; then
  38         libext="()(64bit)"
  39 else
  40         # (note, this works on ppc64 since we only have 32bit mono)
  41         libext=""
  42 fi
  43
  44 # Exceptions:
  45 case `uname -m` in
  46         # ia64 doesn't use lib64 for 'libdir' (sles 9 rpm used to provide both... no longer)
  47         ia64)   libext="()(64bit)" ;;
  48 esac
  49
  50 # set LD_LIBRARY_PATH to ensure that libmono.so is found
  51 export LD_LIBRARY_PATH=$libdir${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}
  52
  53 REQUIRES=$(
  54         for i in "${monolist[@]}"; do
  55                 ($bindir/monodis --assemblyref $i | awk '
  56                         BEGIN { START=0; LIBNAME=""; VERSION=""; }
  57                         (START==0) && /^[0-9]+: Version=/ {
  58                                 START=1;
  59                                 sub(/Version=/, "", $2);
  60                                 VERSION=$2
  61                         }
  62
  63                         (START==1) && /^\tName=/ {
  64                                 sub(/Name=/, "", $1);
  65                                 LIBNAME=$1
  66                                 # Allow rpm deps to be resolved for 1.0 profile version
  67                                 if (VERSION=="1.0.3300.0")
  68                                         OP=">="
  69                                 else
  70                                         OP="="
  71                                 print "mono(" LIBNAME ") " OP " " VERSION
  72                                 START=0
  73                         }
  74                     ') 2> /dev/null
  75         done
  76 )
  77
  78 if [ $IGNORE_CONFIG_SCAN -eq 0 ] ; then
  79
  80 rpm_config_REQUIRES=$(
  81         # Parse the xml .config files to see what native binaries we call into
  82         # TODO: also check monodis --moduleref
  83         for i in "${configlist[@]}"; do
  84                 awk 'match($_, /<dllmap .*target=.*/) {
  85                         ignore=0
  86                         req=""
  87                         split($_, toks, "\"")
  88                         toks_size=0
  89                         for(tok in toks) { toks_size++ }
  90                         for(i=1; i <= toks_size; i++) {
  91                                 if(toks[i] ~ /target=/) {
  92                                         req=toks[i+1]
  93                                 }
  94                                 if(toks[i] ~ /os=/) {
  95                                         negate=0
  96                                         found=0
  97
  98                                         attr=toks[i+1]
  99                                         if(attr ~ /^!/) {
 100                                                 attr=substr(attr, 2, length(attr)-1)
 101                                                 negate=1
 102                                         }
 103
 104                                         split(attr, os_targets, ",")
 105                                         os_targets_size=0
 106                                         for(os_target in os_targets) { os_targets_size++ }
 107                                         for(j=1; j <= os_targets_size; j++) {
 108                                                 if(os_targets[j] == "linux") {
 109                                                         found=1
 110                                                 }
 111                                         }
 112
 113                                         if(negate) {
 114                                                 found=!found
 115                                         }
 116                                         if (!found) {
 117                                                 ignore=1
 118                                         }
 119                                 }
 120                         }
 121                         if(!ignore) {
 122                                 print req"'$libext'"
 123                         }
 124                 } ' $i 2>/dev/null
 125         done
 126 )
 127
 128 # Resolve provides to packages, warning on missing to stderr
 129 config_REQUIRES=$(
 130         first=1 # avoid an empty line if no .config reqs are found
 131         for i in ${rpm_config_REQUIRES[@]} ; do
 132                 out=$(rpm -q --whatprovides --queryformat "%{NAME}\n" $i)
 133                 if [ $? -eq 0 ] ; then
 134                         if [ $first -eq 1 ] ; then
 135                                echo ""
 136                                first=0
 137                         fi
 138                         echo $out
 139                 else
 140                         # echo to stderr
 141                         echo "mono-find-requires: Warning, could not find package that provides: $i" >&2
 142                 fi
 143         done
 144 )
 145
 146 fi
 147
 148 # Note about above:
 149 #  Use to do: system("rpm -q --whatprovides --queryformat \"%{NAME}\n\" ""\""req"'$libext'""\"")
 150 #  rpmlint prefers to have lib names instead of package names.  There was a reason I was using package names but it slips me now...
 151 #  Ah... now I remember... it's for noarch packs.  The noarch packages can be built on either 32 or 64 bit... so we have to depend
 152 #   on the package name instead.
 153
 154 PROVIDES=$(
 155         for i in "${monolist[@]}"; do
 156                 ($bindir/monodis --assembly $i | awk '
 157                         BEGIN { LIBNAME=""; VERSION=""; }
 158                         /^Version:/ { VERSION=$2 }
 159                         /^Name:/    { LIBNAME=$2 }
 160                         END {
 161                                 if (VERSION && LIBNAME)
 162                                         print "mono(" LIBNAME ") = " VERSION
 163                         }
 164                     ') 2>/dev/null
 165         done
 166 )
 167 #
 168 # This is a little magic trick to get all REQUIRES that are not
 169 # in PROVIDES. While RPM functions correctly when such deps exist,
 170 # they make the metadata a bit bloated.
 171 #
 172 # TODO: make this use the mono-find-provides script, to share code
 173
 174 # Filter out dups from both lists
 175 REQUIRES=$(echo "$REQUIRES $config_REQUIRES"  | sort | uniq)
 176 PROVIDES=$(echo "$PROVIDES" | sort | uniq)
 177
 178 #
 179 # Get a list of elements that exist in exactly one of PROVIDES or REQUIRES
 180 #
 181 UNIQ=$(echo "$PROVIDES
 182 $REQUIRES" | sort | uniq -u)
 183
 184 #
 185 # Of those, only choose the ones that are in REQUIRES
 186 #
 187 echo "$UNIQ
 188 $REQUIRES" | sort | uniq -d