[deps] Improve wedge report

Sum wedge sizes with awk.

build/deps.sh

@@ -459,26 +459,43 @@ commas() {
   sed ':a;s/\b\([0-9]\+\)\([0-9]\{3\}\)\b/\1,\2/;ta'   
 }
 
-show-wedge-tree() {
-  # 4 levels deep shows the package
-  if command -v tree > /dev/null; then
-    tree -L 4 /wedge ~/wedge
-    echo
-  fi
-
+wedge-sizes() {
   # Sizes
   # printf justifies du output
-  du -s --bytes /wedge/*/*/* ~/wedge/*/*/* | commas | xargs -n 2 printf '%15s  %s\n'
+
+  local tmp=_tmp/wedge-sizes.txt
+  du -s --bytes /wedge/*/*/* ~/wedge/*/*/* | awk '
+    { print $0  # print the line
+      total_bytes += $1  # accumulate
+    }
+END { print total_bytes " TOTAL" }
+' > $tmp
+
+  cat $tmp | commas | xargs -n 2 printf '%15s  %s\n'
   echo
 
   #du -s --si /wedge/*/*/* ~/wedge/*/*/* 
   #echo
+}
 
-  local tmp=_tmp/wedge-tree.txt
+wedge-report() {
+  # 4 levels deep shows the package
+  if command -v tree > /dev/null; then
+    tree -L 4 /wedge ~/wedge
+    echo
+  fi
 
-  # Show the biggest files
+  wedge-sizes
+
+  local tmp=_tmp/wedge-manifest.txt
+
+  echo 'Biggest files'
   find /wedge ~/wedge -type f -a -printf '%10s %P\n' > $tmp
-  sort -n $tmp | tail -n 20 | commas
+
+  set +o errexit  # ignore SIGPIPE
+  sort -n --reverse $tmp | head -n 20 | commas
+  set -o errexit
+
   echo
 
   # Show the most common file extensions

soil/worker.sh

@@ -72,7 +72,7 @@ fetch            build/deps.sh fetch                -
 install-wedges   build/deps.sh install-wedges       -
 py-all-and-ninja soil/worker.sh py-all-and-ninja    -
 smoke-test       build/dev-setup-test.sh smoke-test -
-show-wedge-tree  build/deps.sh show-wedge-tree      -
+wedge-report     build/deps.sh wedge-report         -
 EOF
 
 # Fails on Ubuntu 20 because python2-dev isn't set up