optimize_rasters: skip_existing

[chapmanjacobd]

Adds new CLI flag for skipping existing outputs

https://github.com/DHI-GRAS/terracotta/blob/9716a82dd0d583d670b8fd1810713fdf26f7c6ec/terracotta/scripts/ingest.py#L28

[codecov]

Codecov Report

Merging #224 (db0603a) into main (9716a82) will increase coverage by 0.09%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##             main     #224      +/-   ##
==========================================
+ Coverage   98.37%   98.46%   +0.09%     
==========================================
  Files          45       45              
  Lines        2217     2221       +4     
  Branches      276      278       +2     
==========================================
+ Hits         2181     2187       +6     
+ Misses         20       19       -1     
+ Partials       16       15       -1     

Impacted Files	Coverage Δ
terracotta/scripts/optimize_rasters.py	94.61% <100.00%> (+1.75%)	⬆️

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[dionhaefner]

Thanks, looks like a useful addition. Could you add a test please?

[dionhaefner]

Thanks @chapmanjacobd !