feat: Use retry function from base image (#1915)

src/mido.sh

@@ -758,10 +758,10 @@ downloadFile() {
   local sum="$3"
   local size="$4"
   local desc="$6"
-  local console_msg="$msg"
   local connections="${7:-1}"
   local msg="Downloading $desc"
   local total total_gb domain dots
+  local console_msg="$msg"
 
   domain=$(echo "$url" | awk -F/ '{print $3}')
   dots=$(echo "$domain" | tr -cd '.' | wc -c)
@@ -773,16 +773,19 @@ downloadFile() {
 
   info "$console_msg..."
 
-  if ! downloadToFile \
+  if downloadToFile \
       "$url" \
       "$iso" \
       "$msg" \
       "${size:-0}" \
       "$connections" \
       "Y"; then
-    return 1
+    return 0
   fi
 
+  local rc=$?
+  (( rc != 0 )) && return "$rc"
+
   if ! total=$(stat -c%s -- "$iso"); then
     error "Failed to determine downloaded file size: $iso"
     return 1
@@ -791,11 +794,17 @@ downloadFile() {
   total_gb=$(formatBytes "$total") || return 1
 
   if (( total < 100000000 )); then
+
     error "Invalid download link: $url (is only $total_gb ?). Please report this at $SUPPORT/issues"
+
+    if ! rm -f -- "$iso" "$iso.aria2"; then
+      warn "failed to remove invalid download \"$iso\"!"
+    fi
+
     return 1
   fi
 
-  # Status 2 means the download completed but failed validation.
+  # Status 2 means the download completed but failed deterministic validation.
   verifyFile "$iso" "$size" "$total" "$sum" || return 2
 
   # Extract the .iso from the compressed archive if needed.
@@ -813,56 +822,18 @@ tryDownload() {
   local lang="$5"
   local desc="$6"
   local seconds="$7"
-  local connections="${CONNECTIONS:-1}"
-  local rc=0
 
-  # Always start without stale partial or aria control files.
-  rm -f -- "$iso" "$iso.aria2"
-
-  if downloadFile \
-      "$iso" \
-      "$url" \
-      "$sum" \
-      "$size" \
-      "$lang" \
-      "$desc" \
-      "$connections"; then
-    return 0
-  else
-    rc=$?
-  fi
-
-  # Do not download the same file again when its contents failed validation.
-  if (( rc == 2 )); then
-    rm -f -- "$iso" "$iso.aria2"
-    return 1
-  fi
-
-  delay "$seconds"
-
-  # A multi-connection partial file can contain non-sequential 
-  # ranges and cannot safely be resumed by Wget.
-  if (( connections > 1 )); then
-    if ! rm -f -- "$iso" "$iso.aria2"; then
-      error "Failed to remove partial download \"$iso\"!"
-      return 1
-    fi
-  fi
-
-  # Retry using the original single-connection Wget behavior.
-  if downloadFile \
-      "$iso" \
-      "$url" \
-      "$sum" \
-      "$size" \
-      "$lang" \
-      "$desc" \
-      "1"; then
-    return 0
-  fi
-
-  rm -f -- "$iso" "$iso.aria2"
-  return 1
+  downloadRetry \
+    "$iso" \
+    "${CONNECTIONS:-1}" \
+    "$seconds" \
+    "$desc" \
+    "$iso" \
+    "$url" \
+    "$sum" \
+    "$size" \
+    "$lang" \
+    "$desc"
 }
 
 fallbackEnglish() {