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# $NetBSD: varname-dot-shell.mk,v 1.2 2020/08/23 09:28:52 rillig Exp $
#
# Tests for the special .SHELL variable, which contains the shell used for
# running the commands.
#
# This variable is read-only.
ORIG_SHELL:= ${.SHELL}
.SHELL= overwritten
.if ${.SHELL} != ${ORIG_SHELL}
.error
.endif
# Trying to delete the variable.
# This has no effect since the variable is not defined in the global context,
# but in the command-line context.
.undef .SHELL
.SHELL= newly overwritten
.if ${.SHELL} != ${ORIG_SHELL}
.error
.endif
all:
@echo ${.SHELL:M*}
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