diff --git a/diff-sha.sh b/diff-sha.sh
index 815ae428bd2..7e84f6b3808 100644
--- a/diff-sha.sh
+++ b/diff-sha.sh
@@ -42,8 +42,9 @@ echo "::debug::Getting HEAD SHA..."
 
 if [[ -z $INPUT_SHA ]]; then
   if [[ -n "$INPUT_UNTIL" ]]; then
-    echo "::debug::Getting HEAD SHA for '$INPUT_UNTIL'..."
     CURRENT_SHA=$(git log -1 --format="%H" --date=local --until="$INPUT_UNTIL") && exit_status=$? || exit_status=$?
+    
+    echo "::debug::Current SHA for '$INPUT_UNTIL': $CURRENT_SHA"
 
     if [[ $exit_status -ne 0 ]]; then
       echo "::error::Invalid until date: $INPUT_UNTIL"
@@ -76,12 +77,9 @@ if [[ -z $GITHUB_BASE_REF ]]; then
     git fetch --no-tags -u --progress origin --depth="$INPUT_TARGET_BRANCH_FETCH_DEPTH" "${TARGET_BRANCH}":"${TARGET_BRANCH}" && exit_status=$? || exit_status=$?
 
     if [[ -n "$INPUT_SINCE" ]]; then
-      echo "::debug::Getting base SHA for '$INPUT_SINCE'..."
       PREVIOUS_SHA=$(git log --format="%H" --date=local --since="$INPUT_SINCE" --reverse | head -n 1)
-
-      git log --format="%H" --date=local --since="$INPUT_SINCE" --reverse | grep -n "$PREVIOUS_SHA"
-
-      git log --format="%H" --date=local --since="$INPUT_SINCE" --reverse
+      
+      echo "::debug::Previous SHA for '$INPUT_SINCE': $PREVIOUS_SHA"
 
       if [[ -z "$PREVIOUS_SHA" ]]; then
         echo "::error::Unable to locate a previous commit for the specified date: $INPUT_SINCE"