149 lines
4.1 KiB
Bash
149 lines
4.1 KiB
Bash
have() {
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type -p "$1" >/dev/null
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}
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# Prepend $2 to variable $1 using $3 as separator, but only if $2 is not already
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# contained in $1. This is useful for prepending to PATH while avoiding
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# duplicates.
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prepend_unique() {
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local var="$1" new="$2" sep="${3-:}" # Default separator is colon.
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local old="${(P)var}"
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case "${sep}${old}${sep}" in
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*"${sep}${new}${sep}"*) # Skip duplicate.
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;;
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"${sep}${sep}") # Variable was empty, set without separator.
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typeset -g $var="${new}"
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;;
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*) # Prepend with separator.
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typeset -g $var="${new}${sep}${old}"
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;;
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esac
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}
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setup_environment() {
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export XDG_CACHE_HOME="${XDG_CACHE_HOME:-$HOME/.cache}"
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export XDG_CONFIG_HOME="${XDG_CONFIG_HOME:-$HOME/.config}"
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export XDG_DATA_HOME="${XDG_DATA_HOME:-$HOME/.local/share}"
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export LANG="en_US.UTF-8"
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export LANGUAGE="en_US"
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export LC_ALL="en_US.UTF-8"
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export LC_CTYPE="en_US.UTF-8"
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export LC_COLLATE="C"
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export INPUTRC="$XDG_CONFIG_HOME/readline/inputrc"
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export LESS="-i -j.49 -M -R -z-2"
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export LESSHISTFILE="$XDG_DATA_HOME/less/history"
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export LESSHISTSIZE=1000
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export PAGER=less
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export PYTHONSTARTUP="$XDG_CONFIG_HOME/python/startup.py"
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}
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setup_path_and_manpath() {
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# Prevent path_helper from messing with the PATH when starting tmux.
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#
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# Clearing PATH before path_helper executes (from /etc/profile) will prevent it
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# from prepending the default PATH to our (previously) chosen PATH, and will
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# allow the rest of this file to set up PATH and MANPATH correctly.
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#
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# For details see: https://superuser.com/a/583502
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#
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[ "$(uname -s)" = "Darwin" ] && { PATH=""; source /etc/profile; }
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local prefix="/usr/local"
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have brew && prefix="$(brew --prefix)"
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local custom_paths=(
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"$prefix/opt/curl/bin"
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"$prefix/bin"
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"$HOME/.local/bin"
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"$HOME/.bin"
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)
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local bindir=""
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for bindir in $custom_paths; do
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[ -d "$bindir" ] && prepend_unique PATH "$bindir"
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done
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export PATH
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# Now that PATH is set, we should pick up all relevant man page locations, as
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# for all directories ending in `<pathname>/bin` found in PATH, `manpath` will
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# print the first existing directory of:
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# - `<pathname>/man`
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# - `<pathname>/../share/man`
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# - `<pathname>/../man`
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have manpath && { MANPATH="$(unset MANPATH; manpath)"; export MANPATH; }
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}
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# Some packages are installed by Homebrew in non-standard locations, in order to
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# prevent conflicts with their system versions.
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setup_brew_keg_only_packages() {
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have brew || return
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local packages=(
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make
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grep
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gnu-tar
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gnu-sed
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findutils
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coreutils
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)
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local prefix="$(brew --prefix)"
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local pkg="" bindir="" mandir=""
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for pkg in $packages; do
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bindir="$prefix/opt/$pkg/libexec/gnubin"
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[ -d "$bindir" ] && prepend_unique PATH "$bindir"
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mandir="$prefix/opt/$pkg/libexec/gnuman"
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[ -d "$mandir" ] && prepend_unique MANPATH "$mandir"
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done
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}
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setup_tools() {
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have nvim && EDITOR="nvim"
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[ -z $EDITOR ] && have vim && EDITOR="vim"
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[ -z $EDITOR ] && have vi && EDITOR="vi"
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[ -n $EDITOR ] && export EDITOR
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have brew && {
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export HOMEBREW_NO_ANALYTICS=1
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export HOMEBREW_NO_AUTO_UPDATE=1
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}
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have dotnet && {
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export DOTNET_CLI_TELEMETRY_OPTOUT=1
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export DOTNET_NOLOGO=1
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}
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}
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# Set $DISPLAY if running in WSL and an Xserver is reachable
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#
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# How to configure Windows Firewall for Xserver: https://skeptric.com/wsl2-xserver/
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# How to check if running in WSL: https://stackoverflow.com/a/61014411
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setup_wsl_display() {
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if [ -n "$(uname -r | sed -n 's/.*\( *Microsoft *\).*/\1/ip')" ] && have xset; then
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local xdisplay="$(awk '/nameserver/ {print $2; exit}' /etc/resolv.conf 2>/dev/null):0.0"
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if DISPLAY="$xdisplay" timeout '0.2s' xset q >/dev/null 2>&1; then
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export DISPLAY="$xdisplay"
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export LIBGL_ALWAYS_INDIRECT=1
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fi
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fi
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}
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# Load additional local configuration if present.
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setup_local_profile() {
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local profile="$HOME/.local/etc/zsh/zprofile"
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[ -r "$profile" ] && source "$profile"
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}
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# zmodload zsh/zprof
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setup_environment
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setup_path_and_manpath
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setup_brew_keg_only_packages
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setup_tools # NOTE: this must be done _after_ `setup_environment`.
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setup_wsl_display
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setup_local_profile
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# zprof
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