Preserve file timestamp metadata

[kprasadvnsi]

Feature request

Make the downloaded file timestamp metadata same as the original file.

Current Behavior

http://tw2.mirror.archlinuxarm.org/aarch64/core/acl-2.3.1-2-aarch64.pkg.tar.xz

$ stat acl-2.3.1-2-aarch64.pkg.tar.xz 
  File: acl-2.3.1-2-aarch64.pkg.tar.xz
  Size: 135268    	Blocks: 272        IO Block: 4096   regular file
Device: 801h/2049d	Inode: 14949402    Links: 1
Access: (0664/-rw-rw-r--)  Uid: ( 1000/      kp)   Gid: ( 1000/      kp)
Access: 2022-11-09 22:41:20.371253621 +0530
Modify: 2022-11-09 22:41:21.139253431 +0530
Change: 2022-11-09 22:41:21.139253431 +0530
 Birth: 2022-11-09 22:41:20.371253621 +0530

Expected Behavior

$ stat acl-2.3.1-2-aarch64.pkg.tar.xz 
  File: acl-2.3.1-2-aarch64.pkg.tar.xz
  Size: 135268    	Blocks: 272        IO Block: 4096   regular file
Device: 801h/2049d	Inode: 15076422    Links: 1
Access: (0664/-rw-rw-r--)  Uid: ( 1000/      kp)   Gid: ( 1000/      kp)
Access: 2022-11-09 22:52:09.000000000 +0530
Modify: 2022-02-02 19:36:15.000000000 +0530
Change: 2022-11-09 22:52:09.642461476 +0530
 Birth: 2022-11-09 22:52:08.878462901 +0530

Possible Solution

The modified date is the most relevant one in this context. We could take the "last-modified" value from the response header and use it to set the modified property of the downloaded file.