[FS#675] Packages and Packages.gz have different content, cause opkg update fail when configured with src/gz

[LEDE Bugs]

The following task has a new comment added:

FS#675 - Packages and Packages.gz have different content, cause opkg update fail when configured with src/gz
User who did this - jwfang (jwfang)

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using curl，i got the following output:

root at LEDE:/tmp/c# ls
root at LEDE:/tmp/c# curl -O http://downloads.lede-project.org/releases/17.01.0/packages/mipsel_24kc/base/Packages
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  175k  100  175k    0     0  16531      0  0:00:10  0:00:10 --:--:-- 17440
root at LEDE:/tmp/c# curl -O http://downloads.lede-project.org/releases/17.01.0/packages/mipsel_24kc/base/Packages.gz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
  0     0    0     0    0     0      0      0 --:--:-- --:--:-- --:--:--     0
root at LEDE:/tmp/c# ls -l
-rw-r--r--    1 root     root        179689 Apr  4 21:49 Packages
-rw-r--r--    1 root     root             0 Apr  4 21:49 Packages.gz
root at LEDE:/tmp/c# curl -o PackagesHTTPS https://downloads.lede-project.org/releases/17.01.0/packages/mipsel_24kc/base/Packages
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100  175k  100  175k    0     0   8254      0  0:00:21  0:00:21 --:--:--  6689
root at LEDE:/tmp/c# curl -o PackagesHTTPS.gz https://downloads.lede-project.org/releases/17.01.0/packages/mipsel_24kc/base/Packages.gz
  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100 47287  100 47287    0     0  21751      0  0:00:02  0:00:02 --:--:-- 21781
root at LEDE:/tmp/c# ls -l
-rw-r--r--    1 root     root        179689 Apr  4 21:49 Packages
-rw-r--r--    1 root     root             0 Apr  4 21:49 Packages.gz
-rw-r--r--    1 root     root        179689 Apr  4 21:50 PackagesHTTPS
-rw-r--r--    1 root     root         47287 Apr  4 21:50 PackagesHTTPS.gz

root at LEDE:/tmp/c# zcat PackagesHTTPS.gz > PackagesHTTPSGZ
root at LEDE:/tmp/c# sha256sum PackagesHTTPS PackagesHTTPSGZ
1fd6c5a8cac6f4d689c01b134ab228a5bc160a5ca47e70ab9b209bfe8f4383a5  PackagesHTTPS
1fd6c5a8cac6f4d689c01b134ab228a5bc160a5ca47e70ab9b209bfe8f4383a5  PackagesHTTPSGZ


**i guess maybe there is something with my ISP.**

//so, should opkg use https URL by default ?//
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More information can be found at the following URL:
https://bugs.lede-project.org/index.php?do=details&task_id=675#comment2314