ci,tools: improve the precision of report-missing-fn-doc, remove dependence on sed

.github/workflows/docs_ci.yml

@@ -14,12 +14,14 @@ jobs:
         run: make
       - name: Check markdown line length & code examples
         run: ./v check-md -hide-warnings .
-      ## NB: -hide-warnings is used here, so that the output is less noisy,
-      ## thus real errors are easier to spot.
+        ## NB: -hide-warnings is used here, so that the output is less noisy,
+        ## thus real errors are easier to spot.
 
   report-missing-fn-doc:
     runs-on: ubuntu-20.04
     timeout-minutes: 5
+    env:
+      MOPTIONS: --no-line-numbers --relative-paths --exclude /vlib/v/ --exclude /builtin/linux_bare/ --exclude /testdata/ --exclude /tests/ vlib/
     steps:
       - uses: actions/checkout@v2
       - name: Build V
@@ -33,14 +35,14 @@ jobs:
 
       - name: Check against parent commit
         run: |
-          ./v run cmd/tools/missdoc.v --no-line-numbers vlib/    | sed -n 's@^.*/vlib/@vlib/@p' | sort > /tmp/n_v.txt
-          ./v run cmd/tools/missdoc.v --no-line-numbers pv/vlib/ | sed -n 's@^.*/vlib/@vlib/@p' | sort > /tmp/o_v.txt
+          ./v run cmd/tools/missdoc.v $MOPTIONS | sort > /tmp/n_v.txt
+          cd pv/ && ../v run ../cmd/tools/missdoc.v $MOPTIONS | sort > /tmp/o_v.txt
           count_new=$(cat /tmp/n_v.txt | wc -l)
           count_old=$(cat /tmp/o_v.txt | wc -l)
           echo "new pubs: $count_new | old pubs: $count_old"
           echo "new head: $(head -n1 /tmp/n_v.txt)"
           echo "old head: $(head -n1 /tmp/o_v.txt)"
           if [[ ${count_new} -gt ${count_old} ]]; then
-            echo "The following $((count_new-count_old)) function(s) is introduced with no documentation:"
+            echo "The following $((count_new-count_old)) function(s) are introduced with no documentation:"
             diff /tmp/n_v.txt /tmp/o_v.txt ## diff does exit(1) when files are different
           fi

cmd/tools/missdoc.v

@@ -158,7 +158,6 @@ fn main() {
 		exclude: fp.string_multi('exclude', `e`, '')
 		relative_paths: fp.bool('relative-paths', `r`, false, 'Use relative paths in output.')
 	}
-	dump(opt)
 	if opt.show_help {
 		println(fp.usage())
 		exit(0)