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# Shell library sourced instead of ./test-lib.sh by tests that need to
# run under Zsh; primarily intended for tests of the git-prompt.sh
# script.
if test -n "$ZSH_VERSION" && test -z "$POSIXLY_CORRECT" && [[ ! -o FUNCTION_ARGZERO ]]; then
true
elif command -v zsh >/dev/null 2>&1; then
unset POSIXLY_CORRECT
# Run Zsh with the FUNCTION_ARGZERO option disabled so that
# test-lib.sh sees the test script pathname when it examines
# $0 instead of "./lib-zsh.sh". (This works around a Zsh
# limitation: 'emulate sh -c' does not restore $0 to the value
# specified by POSIX.)
exec zsh +o FUNCTION_ARGZERO "$0" "$@"
else
echo '1..0 #SKIP skipping Zsh-specific tests; zsh not available'
exit 0
fi
# ensure that we are in full-on Zsh mode. note: this re-enables the
# FUNCTION_ARGZERO option
emulate -R zsh || exit 1
shellname=Zsh
ps1_expansion_enable () { setopt PROMPT_SUBST; }
ps1_expansion_disable () { unsetopt PROMPT_SUBST; }
set_ps1_format_vars () {
percent='%%%%'
c_red='%%F{red}'
c_green='%%F{green}'
c_lblue='%%F{blue}'
c_clear='%%f'
}
# Due to language incompatibilities between POSIX sh and Zsh,
# test-lib.sh must be sourced in sh emulation mode.
#
# Note: Although the FUNCTION_ARGZERO option is currently enabled, sh
# emulation mode temporarily turns it off ($0 is left alone when
# sourcing test-lib.sh)
emulate -R sh -c '. ./test-lib.sh'
# Ensure that the test code is run in Zsh mode. Because test_eval_()
# was defined by test-lib.sh inside the above 'emulate sh -c', the Zsh
# shell options that implement sh emulation will be temporarily
# toggled when test_eval_() executes. Normally this would cause the
# test code to run in sh emulation mode, not Zsh mode. By defining
# test_eval_override() in zsh emulation mode, the options are
# temporarily toggled back to the Zsh defaults when evaluating the
# test code.
emulate -R zsh -c 'test_eval_override () { eval "$*"; }'
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