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add extra diagnostics for old shells

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romkatv 2019-03-30 09:32:26 +01:00
parent c8a3d5ba89
commit d9505ef195
1 changed files with 29 additions and 0 deletions
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29
powerlevel9k.zsh-theme
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@ -27,6 +27,35 @@ if [[ -v _P9K_SOURCED ]]; then
return
fi
if ! autoload -U is-at-least || ! is-at-least 5.2; then
() {
>&2 echo -E "You are using ZSH version $ZSH_VERSION. The minimum required version for Powerlevel10k is 5.2."
>&2 echo -E "Type 'echo \$ZSH_VERSION' to see your current zsh version."
local def=${SHELL:c:A}
local cur=${${ZSH_ARGZERO#-}:c:A}
local cur_v=$($cur -c 'echo -E $ZSH_VERSION' 2>/dev/null)
if [[ $cur_v == $ZSH_VERSION && $cur != $def ]]; then
>&2 echo -E "The shell you are currently running is likely $cur."
fi
local other=${${:-zsh}:c}
if [[ -n $other ]] && $other -c 'autoload -U is-at-least && is-at-least 5.2' &>/dev/null; then
local other_v=$($other -c 'echo -E $ZSH_VERSION' 2>/dev/null)
if [[ -n $other_v && $other_v != $ZSH_VERSION ]]; then
>&2 echo -E "You have $other with version $other_v but this is not what you are using."
if [[ -n $def && $def != ${other:A} ]]; then
>&2 echo -E "To change your user shell, type the following command:"
>&2 echo -E ""
if [[ $(grep -F $other /etc/shells 2>/dev/null) != $other ]]; then
>&2 echo -E " echo ${(q-)other} | sudo tee -a /etc/shells"
fi
>&2 echo -E " chsh -s ${(q-)other}"
fi
fi
fi
}
return 1
fi
readonly _P9K_SOURCED=1
typeset -g _P9K_INSTALLATION_DIR