Error if get.sh download fails

[hellt]

fix #2100

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.

Project coverage is 52.60%. Comparing base (d54989c) to head (5c99074).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
cmd/version/upgrade.go	0.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2477      +/-   ##
==========================================
+ Coverage   52.56%   52.60%   +0.04%     
==========================================
  Files         172      172              
  Lines       17690    17692       +2     
==========================================
+ Hits         9298     9307       +9     
+ Misses       7414     7410       -4     
+ Partials      978      975       -3     

Files with missing lines	Coverage Δ
cmd/version/upgrade.go	5.26% <0.00%> (-0.30%)	⬇️

... and 2 files with indirect coverage changes