Support for MFMT command when using FTP

[jay_s_uk]

I'm writing a number of macros and I am finding it easier to edit them on my PC and then use an FTP client to identify the differences and sync them back to the duet board.
However, the client I am using would normally modify the timestamp of the file the match the origin file so in future it knows that it doesn't have to sync the file again (unless its been modified by one side or the other).
To do this, it uses the MFMT command to change the files timestamp.
RRF currently doesn't support this command.

The software I am using for FTP sync is FreeFileSync

[jay_s_uk]

@jay_s_uk comment from @dc42

However, as RRF has no concept of time zone, the date set using MFMT will be used as-is. So when in a timezone other than UTC, if the sending FTP client corrects for the time zone then the dislayed time on the file will be incorrect. To fix that we could send the time zone as well as the current date/time when DWC connects; but then if you used FTP MFMT without connecting DWC first then the tie zone would still be wrong. Please make a note of this in the request.

[dc42]

@jay_s_uk please add this to Issues on Github.

[jay_s_uk]

@dc42 https://github.com/Duet3D/RepRapFirmware/issues/1097

jaysuk created this issue in Duet3D/RepRapFirmware

open [FeatureRequest]: Add support for MFMT command in FTP implementation #1097