2007-04-11 Marek Safar <marek.safar@gmail.com>

[mono.git] / scripts / mono-find-requires.in

diff --git a/scripts/mono-find-requires.in b/scripts/mono-find-requires.in
index 8b74418fbb551ce2185958f5bc9eb0129b030043..5c9edddf391a71f0ab36d68eeb9dfc65cbd015db 100644 (file)
--- a/scripts/mono-find-requires.in
+++ b/scripts/mono-find-requires.in
@@ -1,2 +1,93 @@
-#!/bin/sh
-exec @bindir@/@mono_interp@ @mono_one_instdir@/mono-find-requires.exe "$@"
+#!/bin/bash
+#
+# mono-find-requires
+#
+# Authors:
+#       Ben Maurer (bmaurer@ximian.com)
+#
+# (C) 2005 Novell (http://www.novell.com)
+#
+
+IFS=$'\n'
+filelist=($(grep -Ev '/usr/doc/|/usr/share/doc/'))
+monolist=($(printf "%s\n" "${filelist[@]}" | egrep "\\.(exe|dll)\$"))
+
+a=`which "$0"`
+d=`dirname "$a"`
+
+# Set the prefix, unless it is overriden (used when building mono rpms)
+: ${prefix=$d/..}
+
+exec_prefix=$d/..
+libdir=$prefix/@reloc_libdir@
+bindir=$d
+
+# Bail out if monodis or libmono is missing
+if [ ! -x $bindir/monodis ] || [ ! -f $libdir/libmono.so ] ; then
+       echo "monodis missing or unusable, exiting..."
+       exit 1
+fi
+
+
+# set LD_LIBRARY_PATH to ensure that libmono.so is found
+export LD_LIBRARY_PATH=$libdir${LD_LIBRARY_PATH:+:$LD_LIBRARY_PATH}
+
+REQUIRES=$(
+       for i in "${monolist[@]}"; do
+               ($bindir/monodis --assemblyref $i | awk '
+                       BEGIN { START=0; LIBNAME=""; VERSION=""; }
+                       (START==0) && /^[0-9]+: Version=/ {
+                               START=1;
+                               sub(/Version=/, "", $2);
+                               VERSION=$2
+                       }
+
+                       (START==1) && /^\tName=/ {
+                               sub(/Name=/, "", $1);
+                               LIBNAME=$1
+                               # Allow rpm deps to be resolved for 1.0 profile version
+                               if (VERSION=="1.0.3300.0")
+                                       OP=">="
+                               else
+                                       OP="="
+                               print "mono(" LIBNAME ") " OP " " VERSION
+                               START=0
+                       }
+                   ') 2> /dev/null
+       done
+)
+
+PROVIDES=$(
+       for i in "${monolist[@]}"; do
+               ($bindir/monodis --assembly $i | awk '
+                       BEGIN { LIBNAME=""; VERSION=""; }
+                       /^Version:/ { VERSION=$2 }
+                       /^Name:/    { LIBNAME=$2 }
+                       END {
+                               if (VERSION && LIBNAME)
+                                       print "mono(" LIBNAME ") = " VERSION
+                       }
+                   ') 2>/dev/null
+       done
+)
+#
+# This is a little magic trick to get all REQUIRES that are not
+# in PROVIDES. While RPM functions correctly when such deps exist,
+# they make the metadata a bit bloated.
+#
+
+# Filter out dups from both lists
+REQUIRES=$(echo "$REQUIRES" | sort | uniq)
+PROVIDES=$(echo "$PROVIDES" | sort | uniq)
+
+#
+# Get a list of elements that exist in exactly one of PROVIDES or REQUIRES
+#
+UNIQ=$(echo "$PROVIDES
+$REQUIRES" | sort | uniq -u)
+
+#
+# Of those, only choose the ones that are in REQUIRES
+#
+echo "$UNIQ
+$REQUIRES" | sort | uniq -d