Subsurface User GUI access to read-only cloud git repository

[Willem Ferguson]

Every time when something has gone wrong with saving dives to cloud, 
Dirk has to step in and correct the user blunder. Is there a fairly 
simple way to allow a user to step backwards and forwards in the Git 
tree? I suspect that the dive log Git repository on the cloud has a 
reasonably linear structure. It should not be to difficult to have a 
button that says "Load previous log", which causes the git pointer to 
move backwards and load the previously saved dive log. And, of course, 
the opposite for stepping forward. The specific dive log being accessed 
could be shown in the Subsurface window header, something like 
"Subsurface: Jan2021.ssrf (123 dives) Cloud dive log dated Jan 10 2021 
07:47:23". The only way in which a user could save dive log changes in 
her/his cloud repository should be by selecting a git dive log as the 
current and final version, downloading to laptop and editing a dive. 
Stepping up and down the git tree should not involve any changes to the 
repository at all. A GUI facility such as this would make Subsurface 
exceptional if not unique among all existing database applications.

Kind regards,

willem



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