exit messages and file name

mirrorly

@@ -16,13 +16,46 @@ cleanup()
     rm "${TMP_DIR}"/*-Packages 2>/dev/null || true
     rm "${TMP_DIR}"/*-Release 2>/dev/null || true
     rm "${TMP_DIR}"/*-Sizes 2>/dev/null || true
+    rm "${TMP_DIR}"/*-MD5sums 2>/dev/null || true
 }
 
 trap_handler()
 {
     RC="$?"
     trap - ERR TERM HUP INT QUIT EXIT
     cleanup
+    case "${RC}" in
+        "0")
+            echo Mirror sync successful
+            ;;
+        "1")
+            echo Requirements not met 1>&2
+            ;;
+        "2")
+            echo Permissions error 1>&2
+            ;;
+        "3")
+            echo Error in mirrorly.conf 1>&2
+            ;;
+        "4")
+            echo Exit code not defined 1>&2
+            ;;
+        "5")
+            echo Missing MD5SUMS 1>&2
+            ;;
+        "6")
+            echo Error downloading pool files 1>&2
+            ;;
+        "7")
+            echo Error downloading dist files 1>&2
+            ;;
+        "254")
+            echo Ran out of retry attempts 1>&2
+            ;;
+        *)
+            echo Unknown error 1>&2
+            ;;
+    esac
     exit "${RC}"
 }
 
@@ -241,8 +274,8 @@ stage1b()
             --retries "${NUM_RETRIES}" \
             --joblog "${TMP_DIR}"/download-joblog \
             --jobs "${DL_JOBS}" \
-            get_file_from_repo
-        awk '{print $1"\t"$3"/"$4}' "${TMP_DIR}/need-to-download" | sort -k2 find-Sizes - | uniq > "${TMP_DIR}/combined-Sizes"
+            get_file_from_repo || exit 6
+        awk '{print $1"\t"$3"/"$4}' "${TMP_DIR}/need-to-download" | sort -k2 file-Sizes - | uniq > "${TMP_DIR}/combined-Sizes"
     fi
 }
 
@@ -257,7 +290,9 @@ stage2a()
     echo "Getting dist files..."
     get_release_files
 
-    echo "Downloading or checking files..."
+    local NUM_DIST_FILES=0
+    NUM_DIST_FILES="$(wc -l "${TMP_DIR}/dists-MD5sums" | cut -d' ' -f1 | tr -d '\n')"
+    echo "Checking or downloading ${NUM_DIST_FILES} files..."
     export MIRROR_DIR
     export TMP_DIR
     export -f get_file_from_repo
@@ -267,7 +302,7 @@ stage2a()
         --retries "${NUM_RETRIES}" \
         --joblog "${TMP_DIR}"/dist-joblog \
         --jobs "${DL_JOBS}" \
-        get_file_from_repo
+        get_file_from_repo || exit 7
 }
 
 stage2b()