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zsh: factor out checking for command availability

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This commit is contained in:
Fernando Schauenburg 2023-03-05 01:07:53 +01:00
parent 70bf3b3118
commit ebda8d4fa2
1 changed files with 14 additions and 13 deletions
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23
config/zsh/.zprofile
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@ -17,6 +17,10 @@ export LOCAL_PREFIX="/usr/local"
export PAGER=less
export PYTHONSTARTUP="$XDG_CONFIG_HOME/python/startup.py"
have() {
command -v "$1" >/dev/null 2>&1
}
# Make man pages pretty, but only if $TERM is set because otherwise `tput`
# would report errors (e.g., when running a command via SSH without allocating
# a pty $TERM is not set).
@ -65,7 +69,7 @@ export PATH
# Prepend custom man directories to MANPATH if they exist, so that we get
# correct man page entries when multiple versions of a command are
# available.
command -v manpath >/dev/null 2>&1 && MANPATH="$(unset MANPATH; manpath)"
have manpath && MANPATH="$(unset MANPATH; manpath)"
while read -r dir; do
[ -d "$dir" ] && case ":${MANPATH:=$dir}:" in
*:"$dir":*) ;; # already in MANPATH -> ignore
@ -88,16 +92,15 @@ unset dir
# These checks have to be done after PATH manipulation above so we can find
# installed programs if they are in the added paths.
if command -v nvim >/dev/null 2>&1; then
export EDITOR="nvim"
else
export EDITOR="vim"
fi
have nvim && EDITOR="nvim"
[ -z $EDITOR ] && have vim && EDITOR="vim"
[ -z $EDITOR ] && have vi && EDITOR="vi"
[ -n $EDITOR ] && export EDITOR
if command -v brew >/dev/null 2>&1; then
have brew && {
export HOMEBREW_NO_ANALYTICS=1
export HOMEBREW_NO_AUTO_UPDATE=1
fi
}
# Set $DISPLAY if running in WSL and an Xserver is reachable
#
@ -105,12 +108,10 @@ fi
# How to check if running in WSL: https://stackoverflow.com/a/61014411
if [ -n "$(uname -r | sed -n 's/.*\( *Microsoft *\).*/\1/ip')" ]; then
xdisplay="$(awk '/nameserver/ {print $2; exit}' /etc/resolv.conf 2>/dev/null):0.0"
if command -v xset >/dev/null 2>&1; then
if DISPLAY="$xdisplay" timeout '0.2s' xset q >/dev/null 2>&1; then
have xset && if DISPLAY="$xdisplay" timeout '0.2s' xset q >/dev/null 2>&1; then
export DISPLAY="$xdisplay"
export LIBGL_ALWAYS_INDIRECT=1
fi
fi
unset xdisplay
fi