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