BLD circle-ci should only run/build plot_* files (scikit-learn#12797)

adrinjalali · jnothman · commit 17a6c9deccbd · 2019-02-20T12:25:17.000+11:00
diff --git a/build_tools/circle/build_doc.sh b/build_tools/circle/build_doc.sh
@@ -57,7 +57,7 @@ get_build_type() {
         echo QUICK BUILD: no changed filenames for $git_range
         return
     fi
-    changed_examples=$(echo "$filenames" | grep -e ^examples/)
+    changed_examples=$(echo "$filenames" | grep -E "^examples/(.*/)*plot_")
     if [[ -n "$changed_examples" ]]
     then
         echo BUILD: detected examples/ filename modified in $git_range: $changed_examples
