diff --git a/.github/workflows/testing.yml b/.github/workflows/testing.yml
index cc6f831..b444d47 100644
--- a/.github/workflows/testing.yml
+++ b/.github/workflows/testing.yml
@@ -21,3 +21,9 @@ jobs:
     - name: Run tests
       run: |
         ./tests.sh
+    - name: Coveralls
+      run: |
+        pip install coveralls
+        coveralls --service=github
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
diff --git a/tests-ng/assets/github.catalog.csv.txt b/tests-ng/assets/github.catalog.csv.txt
index 1108085..40e6a28 100644
--- a/tests-ng/assets/github.catalog.csv.txt
+++ b/tests-ng/assets/github.catalog.csv.txt
@@ -1,5 +1,5 @@
-"github","storage","","2564","2023-03-09 16:20:59","","","2","0","0",""
-"workflows","dir","github/workflows","1282","2023-03-09 16:20:59","2023-03-09 16:20:44","","2","","",""
+"github","storage","","3208","2023-03-09 16:20:59","","","2","0","0",""
+"workflows","dir","github/workflows","1604","2023-03-09 16:20:59","2023-03-09 16:20:44","","2","","",""
 "pypi-release.yml","file","github/workflows/pypi-release.yml","691","2023-03-09 16:20:59","2022-10-19 21:00:37","57699a7a6a03e20e864f220e19f8e197","","","",""
-"testing.yml","file","github/workflows/testing.yml","641","2023-03-09 16:20:59","2023-03-09 16:20:44","941c01fa956b71133d6b5339824589b7","","","",""
+"testing.yml","file","github/workflows/testing.yml","802","2023-03-09 16:20:59","2023-03-09 16:20:44","7144a119ef43adb634654522c12ec250","","","",""
 "FUNDING.yml","file","github/FUNDING.yml","17","2023-03-09 16:20:59","2022-10-19 21:00:37","0c6407a84d412c514007313fb3bca4de","","","",""
diff --git a/tests-ng/assets/github.catalog.json b/tests-ng/assets/github.catalog.json
index a22a8be..cf67e71 100644
--- a/tests-ng/assets/github.catalog.json
+++ b/tests-ng/assets/github.catalog.json
@@ -23,10 +23,10 @@
             },
             {
               "maccess": 1678375244.4870229,
-              "md5": "f4f4bc5acb9deae488b55f0c9c507120",
+              "md5": "7144a119ef43adb634654522c12ec250",
               "name": "testing.yml",
               "relpath": "workflows/testing.yml",
-              "size": 595,
+              "size": 802,
               "type": "file"
             }
           ],
diff --git a/tests-ng/assets/github.catalog.native.txt b/tests-ng/assets/github.catalog.native.txt
index d681b9b..9ca05fd 100644
--- a/tests-ng/assets/github.catalog.native.txt
+++ b/tests-ng/assets/github.catalog.native.txt
@@ -1,7 +1,7 @@
 top
 └── storage: github
-  nbfiles:2 | totsize:2564 | free:0.0% | du:0/0 | date:2023-03-09 16:20:59
-    ├── workflows [nbfiles:2, totsize:1282]
+  nbfiles:2 | totsize:3208 | free:0.0% | du:0/0 | date:2023-03-09 16:20:59
+    ├── workflows [nbfiles:2, totsize:1604]
     │   ├── pypi-release.yml [size:691, md5:57699a7a6a03e20e864f220e19f8e197]
-    │   └── testing.yml [size:641, md5:941c01fa956b71133d6b5339824589b7]
+    │   └── testing.yml [size:802, md5:7144a119ef43adb634654522c12ec250]
     └── FUNDING.yml [size:17, md5:0c6407a84d412c514007313fb3bca4de]
diff --git a/tests-ng/compare.sh b/tests-ng/compare.sh
index d6831f2..03ff812 100755
--- a/tests-ng/compare.sh
+++ b/tests-ng/compare.sh
@@ -51,7 +51,7 @@ catalog="${tmpd}/catalog"
 # index
 ${bin} -B index -c --catalog="${catalog}" github .github
 
-cat "${catalog}"
+#cat "${catalog}"
 echo ""
 
 # compare keys
@@ -90,7 +90,9 @@ mod="${tmpd}/native.mod.txt"
 cat "${native}" | sed -e 's/free:.*%/free:0.0%/g' \
   -e 's/date:....-..-.. ..:..:../date:2023-03-09 16:20:59/g' \
   -e 's#du:[^|]* |#du:0/0 |#g' > "${mod}"
-#delta -s "tests-ng/assets/github.catalog.native.txt" "${mod}"
+if command -v delta; then
+  delta -s "tests-ng/assets/github.catalog.native.txt" "${mod}"
+fi
 diff --color=always "tests-ng/assets/github.catalog.native.txt" "${mod}"
 
 # csv
@@ -105,8 +107,10 @@ ori="${tmpd}/ori.mod.txt"
 cat "tests-ng/assets/github.catalog.csv.txt" | \
   sed 's/....-..-.. ..:..:..//g' | \
   sed 's/"2","[^"]*","[^"]*",""/"2","0","0",""/g' > "${ori}"
-delta -s "${ori}" "${mod}"
-#diff "${ori}" "${mod}"
+if command -v delta; then
+  delta -s "${ori}" "${mod}"
+fi
+diff "${ori}" "${mod}"
 
 # the end
 echo "test \"$(basename "$0")\" success"