Update rr_capture.jl

Author: DilumAluthge

.buildkite/utilities/rr/rr_capture.jl

@@ -12,7 +12,8 @@ end
 
 const TIMEOUT_IN_MINUTES = parse(Int, popfirst!(ARGS))::Int
 
-const run_id = ENV["BUILDKITE_BUILD_NUMBER"]::String
+const run_id      = ENV["BUILDKITE_BUILD_NUMBER"]::String
+const shortcommit = ENV["BUILDKITE_COMMIT"][1:10]::String
 
 const num_cores = min(Sys.CPU_THREADS, 8, parse(Int, get(ENV, "JULIA_TEST_NUM_CORES", "8")) + 1)
 @info "" num_cores