The runner hands container steps `sh -e {0}` unless told otherwise, so
every step died on `set: Illegal option -o pipefail` before the installer
ran. Pin the job's shell to bash; `[[ … ]]` in the assertions needs it too.
ha-relevant: no
The runner hands container steps `sh -e {0}` unless told otherwise, so
every step died on `set: Illegal option -o pipefail` before the installer
ran. Pin the job's shell to bash; `[[ … ]]` in the assertions needs it too.
ha-relevant: no