Small improvements to add command

[szaffarano]

Fixes #18

[codecov-commenter]

Codecov Report

Merging #23 (42f58f2) into master (7f3cb29) will increase coverage by 1.11%.
The diff coverage is 69.23%.

@@            Coverage Diff             @@
##           master      #23      +/-   ##
==========================================
+ Coverage   81.56%   82.68%   +1.11%     
==========================================
  Files           3        3              
  Lines         179      179              
==========================================
+ Hits          146      148       +2     
+ Misses         17       15       -2     
  Partials       16       16              

Impacted Files	Coverage Δ
pkg/task/repo/repository.go	73.39% <69.23%> (+1.83%)	⬆️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 7f3cb29...42f58f2. Read the comment docs.