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Minor robustness improvements to zsh shell integration

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This commit is contained in:
Roman Perepelitsa
2021-12-20 13:20:38 +01:00
parent e18ac4f0f5
commit 09d025d88f
2 changed files with 42 additions and 10 deletions
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33
shell-integration/zsh/.zshenv
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@@ -1,9 +1,32 @@
if [[ -o interactive && -v ZDOTDIR && -r "$ZDOTDIR/kitty.zsh" ]]; then source "$ZDOTDIR/kitty.zsh"; fi
if [[ -v KITTY_ORIG_ZDOTDIR ]]; then
export ZDOTDIR="$KITTY_ORIG_ZDOTDIR"
# Don't use [[ -v ... ]] because it doesn't work in zsh < 5.4.
if (( ${+KITTY_ORIG_ZDOTDIR} )); then
# Normally ZDOTDIR shouldn't be exported but it was in the environment
# of Kitty, so we export it.
export ZDOTDIR=$KITTY_ORIG_ZDOTDIR
unset KITTY_ORIG_ZDOTDIR
else
unset ZDOTDIR
fi
if [[ -v KITTY_ZSH_BASE && -r "$KITTY_ZSH_BASE/.zshenv" ]]; then source "$KITTY_ZSH_BASE/.zshenv"; fi
unset KITTY_ZSH_BASE
# Use try-always to have the right error code.
{
# Zsh treats empty $ZDOTDIR as if it was "/". We do the same.
#
# Source the user's zshenv before sourcing kitty.zsh because the former
# might set fpath and other things without which kitty.zsh won't work.
#
# Use typeset in case we are in a function with warn_create_global in
# effect. Unlikely but better safe than sorry.
typeset _ksi_source=${ZDOTDIR-~}/.zshenv
# Zsh ignores unreadable rc files. We do the same.
# Zsh ignores rc files that are directories, and so does source.
[[ ! -r $_ksi_source ]] || source -- "$_ksi_source"
} always {
if [[ -o interactive ]]; then
# ${(%):-%x} is the path to the current file.
# On top of it we add :a:h to get the directory.
typeset _ksi_source=${${(%):-%x}:A:h}/kitty.zsh
[[ ! -r $_ksi_source ]] || source -- "$_ksi_source"
fi
unset _ksi_source
}