add pipeline script

.github/workflows/filter_lcov.sh

@@ -0,0 +1,41 @@
+#!/bin/bash
+set -ex
+
+grep -Pn 'BABYLON_LOG\(.*\)' src/ -R | awk -F: '{print $1":"$2}' > ignore_branches
+
+awk -F: '
+ARGIND == 1 {skip_lines[$1] = skip_lines[$1]""$2","}
+ARGIND == 2 {
+  skip = 0;
+}
+ARGIND == 2 && $1 == "SF" {
+  n = split(skip_lines[$2], arr, ",");
+  delete skip_line_set;
+  for (i = 1; i < n; ++i) {
+    skip_line_set[arr[i]];
+  }
+  skip_brf = 0;
+  skip_brh = 0;
+}
+ARGIND == 2 && $1 == "BRDA" {
+  split($2, arr, ",");
+  if (arr[1] in skip_line_set) {
+    skip = 1;
+    skip_brf++;
+    if (arr[4] > 0) {
+      skip_brh++;
+    }
+  }
+}
+ARGIND == 2 && $1 == "BRF" && skip_brf {
+  skip = 1;
+  print $1":"$2-skip_brf
+}
+ARGIND == 2 && $1 == "BRH" && skip_brh {
+  skip = 1;
+  print $1":"$2-skip_brh
+}
+ARGIND == 2 && !skip {
+  print
+}
+' ignore_branches bazel-out/_coverage/_coverage_report.dat > bazel-out/_coverage/_coverage_report.lcov