Change SHELL assignment from ?= to =.
#23
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`SHELL` is set by default, so `SHELL ?= xxx` has no effect. Using `SHELL = /usr/bin/env bash` still has the desired effect of allowing the variable to be overwritten on the command line, e.g. ``` $ make cmd SHELL=zsh ``` will work.
Jacobfaib
approved these changes
Jul 29, 2025
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closes #21
SHELLis set by default, soSHELL ?= xxxhas no effect.Using
SHELL = /usr/bin/env bashstill has the desired effect of allowing the variable to be overwritten on the command line, e.g.will work.