cli: return error code from commands

8 jobs for master in 27 minutes and 18 seconds (queued for 4 seconds)
Status Job ID Name Coverage
  Build
passed #490178
amd64 docker
nightly-debian

00:11:34

passed #490181
macos
nightly-macos

00:22:10

passed #490180
amd64 docker
nightly-snap

00:20:32

passed #490169
amd64 docker
nightly-win32

00:13:32

passed #490171
amd64 docker
nightly-win64

00:15:13

passed #490175
amd64 docker
nightly-win64-llvm

00:19:17

passed #490182
amd64 docker
pages

00:02:57

 
  Deploy
passed pages:deploy

00:00:06