ShellCheck from Kernel:tools project
Select Your Operating System
Add repository and install manually
For SLE 15 SP6 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Kernel:tools/SLE_15_SP6/Kernel:tools.repo zypper refresh zypper install ShellCheck
For SLE 15 SP5 run the following as root:
zypper addrepo https://download.opensuse.org/repositories/Kernel:tools/SLE_15_SP5/Kernel:tools.repo zypper refresh zypper install ShellCheck