Error in push finish

[harminius]

Task: https://github.com/MerginMaps/server-private/issues/2558

Situation:
When migrating project files project without a file were given Null value to the file history id. We expect this field not be Null. The caching method which should update the field fails to do it because it cannot find a file associated with the project id.

Solution
When no files are found when caching the latest files, put an empty array in the column and don't keep it Null.

Bonus:
Fix flask cmd to create a project.

[coveralls]

Pull Request Test Coverage Report for Build 11949337990

Details

• 17 of 28 (60.71%) changed or added relevant lines in 2 files are covered.
• 1 unchanged line in 1 file lost coverage.
• Overall coverage decreased (-0.1%) to 93.853%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
server/mergin/sync/commands.py	3	14	21.43%

Files with Coverage Reduction	New Missed Lines	%
server/mergin/sync/commands.py	1	31.4%

Totals
Change from base Build 11914247004:	-0.1%
Covered Lines:	6428
Relevant Lines:	6849

---

💛 - Coveralls

[varmar05]

"Make file_history_ids not nullable?" It was meant to be nullable and updated only on demand (first pull / get info) as whole migration would have been very heavy. So probably we maybe want to cache files ids if it is null as a fix.

[harminius]

"Make file_history_ids not nullable?" It was meant to be nullable and updated only on demand (first pull / get info) as whole migration would have been very heavy. So probably we maybe want to cache files ids if it is null as a fix.

Actually, I found out the latest project files are cached in this scenario.

That's why the problem is only in empty projects. The caching method finds no files to cache and keeps the column null.

[varmar05]

Actually, I found out the latest project files are cached in this scenario.

That's why the problem is only in empty projects. The caching method finds no files to cache and keeps the column null.

If caching method finds no files then I guess it should set it to empty array rather that NULL which should be only used if that row has never been cached.