diff --git a/.github/workflows/pull.yml b/.github/workflows/pull.yml
index 61ab3d08f..bfa3437d3 100644
--- a/.github/workflows/pull.yml
+++ b/.github/workflows/pull.yml
@@ -89,6 +89,14 @@ jobs:
       shell: bash
       run: |
         RANGE=${BEFORE:-origin/master}..${GITHUB_HEAD_REF:+origin/$GITHUB_HEAD_REF}
+        echo debug: BEFORE: $BEFORE
+        echo debug: GITHUB_HEAD_REF: $GITHUB_HEAD_REF
+        echo debug: $RANGE
+        echo debug: log BEFORE: $(git log -1 $BEFORE | head -1)
+        echo debug: log origin/master: $(git log -1 origin/master | head -1)
+        echo debug: log GITHUB_HEAD_REF: $(git log -1 $GITHUB_HEAD_REF | head -1)
+        echo debug: log origin/GITHUB_HEAD_REF: $(git log -1 origin/$GITHUB_HEAD_REF | head -1)
+        echo debug: log RANGE: $(git log $RANGE | grep -E '^commit')
         if git rev-list --quiet $RANGE
         then tools/commitlint $RANGE
         else echo "could not identify commits, not checking them"
diff --git a/.github/workflows/push.yml b/.github/workflows/push.yml
index aa09bd0f6..d634c2f52 100644
--- a/.github/workflows/push.yml
+++ b/.github/workflows/push.yml
@@ -92,6 +92,14 @@ jobs:
       shell: bash
       run: |
         RANGE=${BEFORE:-origin/master}..${GITHUB_HEAD_REF:+origin/$GITHUB_HEAD_REF}
+        echo debug: BEFORE: $BEFORE
+        echo debug: GITHUB_HEAD_REF: $GITHUB_HEAD_REF
+        echo debug: $RANGE
+        echo debug: log BEFORE: $(git log -1 $BEFORE | head -1)
+        echo debug: log origin/master: $(git log -1 origin/master | head -1)
+        echo debug: log GITHUB_HEAD_REF: $(git log -1 $GITHUB_HEAD_REF | head -1)
+        echo debug: log origin/GITHUB_HEAD_REF: $(git log -1 origin/$GITHUB_HEAD_REF | head -1)
+        echo debug: log RANGE: $(git log $RANGE | grep -E '^commit')
         if git rev-list --quiet $RANGE
         then tools/commitlint $RANGE
         else echo "could not identify commits, not checking them"