feat(clamav): Add daily diffs as well

.gitattributes

@@ -5,3 +5,4 @@
 *.hdb filter=lfs diff=lfs merge=lfs -text
 *.hsb filter=lfs diff=lfs merge=lfs -text
 *.ldb filter=lfs diff=lfs merge=lfs -text
+*.cdiff filter=lfs diff=lfs merge=lfs -text

.gitlab-ci.yml

@@ -46,6 +46,16 @@ update_clamav_db:
     #- cp "$CLAMAV_DB_PATH"/*.cld "$REPO_PATH"
     #- cp "$REPO_PATH"/daily.cld "$REPO_PATH"/daily.cvd
 
+    # Fetch database diff
+    - DB_LATEST_VERSION=$(echo $(host -t txt current.cvd.clamav.net) | cut -d ':' -f3)
+    - |
+      for iter in {0..9}; do
+        TO_DOWNLOAD_VERSION=$(($DB_LATEST_VERSION - $iter))
+        if [ ! -f "daily-${TO_DOWNLOAD_VERSION}.cdiff" ]; then
+          wget --user-agent="CVDUPDATE/1.1.2 (3b7f06ec-5337-4030-8856-d3840301cfe3)" https://database.clamav.net/daily-${TO_DOWNLOAD_VERSION}.cdiff
+        fi
+      done
+
     # Fetch additional database files
     - wget -O badmacro.ndb https://ftp.swin.edu.au/sanesecurity/badmacro.ndb
     - wget -O blurl.ndb https://ftp.swin.edu.au/sanesecurity/blurl.ndb