drop automatically generated dependencies on interpreters we either don't

need dependencies on or that we have other dedicated dependency generators
for making them duplicate, reducing ~5K packages' dependencies at
next rebuild (from Per Oyvind, mdv).

2 files changed, 22 insertions, 2 deletions

diff --git a/NEWS b/NEWS
index 29cd47f..772e53a 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+- drop automatically generated dependencies on interpreters we either don't
+  need dependencies on or that we have other dedicated dependency generators
+  for making them duplicate, reducing ~5K packages' dependencies at
+  next rebuild. (Per Oyvind, mdv)
 - drop automatically generated rtld(GNU_HASH) dependencies, it's been provided
   by glibc for five years now and can safely be assumed that there's no longer
   any need for it, reducing ~8K packages' dependency on it during next rebuild.
diff --git a/find-requires.in b/find-requires.in
index b3a2b5f..6d742e5 100755
--- a/find-requires.in
+++ b/find-requires.in
@@ -116,9 +116,25 @@ uniqdeplist+="$tmpdeplist"
 for f in $scriptlist; do
     [ -r $f -a -x $f ] || continue
     interp=`head -n 1 $f | grep '^#!' | sed -e 's/^\#\![ 	]*//' | cut -d" " -f1`
-    interplist="$interplist $interp"
     case $interp in
-    */perl)	perllist="$perllist $f" ;;
+	    # we really don't need to add these dependencies as they're required by
+	    # glibc and therefore guaranteed to be satisfied
+	    */sh|*/bash)
+		    continue
+		    ;;
+	    # we already have dedicated dependency generators for these
+	    */python)
+		    pythonlist="$pythonlist $f"
+		    ;;
+	    */perl)
+		    perllist="$perllist $f"
+		    ;;
+	    */ruby)
+		    rubylist="$rubylist $f"
+		    ;;
+	    *)
+		    interplist="$interplist $interp"
+		    ;;
     esac
 done
 if [ -n "$interplist" ]; then