Add upstream for rustup, Anaconda and some OS repositories [GitHub #111]

src/recipe/os/APT/Armbian.c

@@ -12,7 +12,7 @@
  */
 static SourceInfo
 os_armbian_sources[] = {
-    {&Upstream,       NULL},
+    {&Upstream,      "http://apt.armbian.com"},
     {&Tuna,          "https://mirrors.tuna.tsinghua.edu.cn/armbian"},
     {&Sjtug_Zhiyuan, "https://mirror.sjtu.edu.cn/armbian"},
     {&Bfsu,          "https://mirrors.bfsu.edu.cn/armbian"},

src/recipe/os/APT/Debian.c

@@ -13,7 +13,7 @@
  */
 static SourceInfo
 os_debian_sources[] = {
-  {&Upstream,       NULL},
+  {&Upstream,      "http://deb.debian.org/debian"},
   {&Ali,           "https://mirrors.aliyun.com/debian"},
   {&Volcengine,    "https://mirrors.volces.com/debian"},
   {&Bfsu,          "https://mirrors.bfsu.edu.cn/debian"},

src/recipe/os/APT/Kali-Linux.c

@@ -14,7 +14,7 @@
  */
 static SourceInfo
 os_kali_sources[] = {
-  {&Upstream,       NULL},
+  {&Upstream,      "http://http.kali.org/kali"},
   {&Ali,           "https://mirrors.aliyun.com/kali"},
   {&Volcengine,    "https://mirrors.volces.com/kali"},
   {&Bfsu,          "https://mirrors.bfsu.edu.cn/kali"},

src/recipe/os/APT/Linux-Lite.c

@@ -12,7 +12,7 @@
  */
 static SourceInfo
 os_linuxlite_sources[] = {
-  {&Upstream,       NULL},
+  {&Upstream,       "http://repo.linuxliteos.com/linuxlite/"},
   {&Sjtug_Zhiyuan,  "https://mirrors.sjtug.sjtu.edu.cn/linuxliteos/"}
 };
 def_sources_n(os_linuxlite);

src/recipe/os/APT/Raspberry-Pi-OS.c

@@ -14,7 +14,7 @@
  */
 static SourceInfo
 os_raspberrypi_sources[] = {
-  {&Upstream,       NULL},
+  {&Upstream,       "https://archive.raspberrypi.com/"}, // https://archive.raspberrypi.org/ until Debian "bullseye" release
   {&MirrorZ,        "https://mirrors.cernet.edu.cn/raspberrypi/"},
   {&Tuna,           "https://mirrors.tuna.tsinghua.edu.cn/raspberrypi/"},
   {&Bfsu,           "https://mirrors.bfsu.edu.cn/raspberrypi/"},

src/recipe/os/APT/deepin.c

@@ -14,7 +14,7 @@
  */
 static SourceInfo
 os_deepin_sources[] = {
-  {&Upstream,       NULL},
+  {&Upstream,      "https://community-packages.deepin.com/deepin"},
   {&Ali,           "https://mirrors.aliyun.com/deepin"},
   {&Bfsu,          "https://mirrors.bfsu.edu.cn/deepin"},
   {&Ustc,          "https://mirrors.ustc.edu.cn/deepin"},