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environment-setup uses BASH_SOURCE which is bash specific. For other shells, this variable is empty, leading to an error message and empty SDK_PATH. Zsh Uses $0. Unfortunately POSIX is not specifying how exactly $0 should behave when in sourced (or using special dot utility). So other shell support have to be implemented in different manner. Signed-off-by: Krzysztof Kanas <kkanas@fastmail.com> Signed-off-by: Arnout Vandecappelle (Essensium/Mind) <arnout@mind.be>