added extract_icon function

auto_completion/bash_completion/winehelper

@@ -4,7 +4,7 @@ _winehelper_completions() {
     COMPREPLY=()
     cur="${COMP_WORDS[COMP_CWORD]}"
     prev="${COMP_WORDS[COMP_CWORD-1]}"
-    opts="--help --version --debug install installed -r -i remove-all --clear-pfx killall remove-prefix backup-prefix restore-prefix --changelog changelog"
+    opts="--help --version --debug install installed -r -i remove-all --clear-pfx killall remove-prefix backup-prefix restore-prefix"
     wine_cmd="winecfg winereg winefile wineconsole winetricks desktop regedit explorer cmd run"
 
     case "${prev}" in

winehelper

@@ -483,6 +483,41 @@ var_ld_library_path_update () {
     return 0
 }
 
+extract_icon() {
+    check_prefix_var
+    local exe_file="$1"
+    local ico_name="$(basename "$exe_file" .exe).ico"
+    local png_name="$(basename "$exe_file" .exe).png"
+    local tmp_ico_dir="$WH_TMP_DIR/icons"
+    local user_icons="$WINEPREFIX/icons"
+
+    create_new_dir "$tmp_ico_dir"
+
+    if ! wrestool -x -t 14 "$exe_file" -o "$tmp_ico_dir/$ico_name" ; then
+        print_warning "Не удалось извлечь иконку из $exe_file"
+        try_remove_file "$tmp_ico_dir"
+        return 1
+    fi
+
+    if ! icotool -x -i 1 "$tmp_ico_dir/$ico_name" -o "$tmp_ico_dir/$png_name" ; then
+        print_warning "Не удалось извлечь иконку из $ico_name"
+        try_remove_file "$tmp_ico_dir"
+        return 1
+    fi
+
+    create_new_dir "$user_icons"
+
+    if ! try_copy_file "$tmp_ico_dir/$png_name" "$user_icons" ; then
+        print_warning "Не удалось копировать иконку в префикс"
+        try_remove_file "$user_icons"
+        return 1
+    fi
+
+    try_remove_dir "$tmp_ico_dir"
+    print_ok "Иконка сохранена: $user_icons/$png_name"
+    return 0
+}
+
 create_desktop () {
     local name_desktop exe_file desktop_filename icon_file desktop_path
     name_desktop="$1"