graphqlbackend: Reduce allocations in getRevsForMatchedRepo

Created by: tsenart

name              old time/op    new time/op    delta
SearchResults-16    5.37ms ±23%    4.57ms ±18%  -14.97%  (p=0.001 n=10+10)

name              old alloc/op   new alloc/op   delta
SearchResults-16    1.97MB ± 0%    1.73MB ± 0%  -12.40%  (p=0.000 n=10+10)

name              old allocs/op  new allocs/op  delta
SearchResults-16     15.6k ± 0%     10.6k ± 0%  -32.04%  (p=0.000 n=10+6)

Created by: codecov[bot]

Codecov Report

Merging #4824 into master will increase coverage by 0.03%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #4824      +/-   ##
==========================================
+ Coverage   48.11%   48.14%   +0.03%     
==========================================
  Files         726      726              
  Lines       44225    44224       -1     
  Branches     1761     1761              
==========================================
+ Hits        21278    21291      +13     
+ Misses      20975    20960      -15     
- Partials     1972     1973       +1

Impacted Files	Coverage Δ
cmd/frontend/graphqlbackend/search.go	57.72% <100%> (-0.11%)
...d/frontend/internal/authz/bitbucketserver/store.go	79.64% <0%> (-1.2%)
cmd/frontend/graphqlbackend/search_results.go	50.66% <0%> (+0.16%)
cmd/frontend/graphqlbackend/graphqlbackend.go	44.75% <0%> (+10.48%)

Created by: codecov[bot]

Codecov Report

Merging #4824 into master will increase coverage by 0.05%. The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #4824      +/-   ##
==========================================
+ Coverage   48.11%   48.16%   +0.05%     
==========================================
  Files         726      726              
  Lines       44225    44227       +2     
  Branches     1761     1761              
==========================================
+ Hits        21278    21304      +26     
+ Misses      20975    20951      -24     
  Partials     1972     1972

Impacted Files	Coverage Δ
cmd/frontend/graphqlbackend/search.go	58.03% <100%> (+0.2%)
cmd/frontend/graphqlbackend/graphqlbackend.go	51.04% <0%> (+16.78%)