diff --git a/action.yml b/action.yml
index 1efc666..3152a68 100644
--- a/action.yml
+++ b/action.yml
@@ -39,7 +39,37 @@ runs:
 
     - name: Download sources artifacts
       run: |
-        ./download_sources.sh
+        abfyml=.abf.yml
+        if [ -e "${abfyml}" ]; then
+          echo "parsing file '${abfyml}'"
+            sed -ne '/^[Ss]ources\:.*$/,$p' ${abfyml} | \
+            sed -rn '$G;s/^[\"'\''[:space:]]*([^[:space:]:\"'\'']+)[\"'\''[:space:]]*.*[\"'\''[:space:]]*([0-9a-fA-F]{40})[\"'\''[:space:]]*$/\1 \2/p' | \
+        while read -r file sha; do
+          echo -n "found entry: file=${file} ... "
+        if [ -e "${file}" ]; then
+          if echo "${sha}  ${file}" | sha1sum -c --status; then
+            echo "sha1sum correct"
+          else
+            echo "sha1sum INCORRECT! skipping..."
+          fi
+        else
+          echo -n "try to download... "
+          if curl -L "https://file-store.rosalinux.ru/download/${sha}" -o "${file}"; then
+            echo "ok"
+            echo -n "check sum... "
+            if echo "${sha}  ${file}" | sha1sum -c --status; then
+              echo "ok"
+            else
+              echo "sha1sum INCORRECT! skipping..."
+              echo "remove file ${file}"
+              rm -f "${file}"
+            fi
+          else
+            echo "filed! skipping..."
+          fi
+        fi
+        done
+        fi
 
     - name: Linter
       run: |