zsh: fix PATH manipulation on MacOS
My previous fix for /usr/libexec/path_helper messing with the PATH was no longer working because zsh sources /etc/zprofile (which on MacOS executes path_helper) AFTER $HOME/.zshenv, thus overwriting my changes.
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4 changed files with 73 additions and 49 deletions
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@ -53,6 +53,7 @@ stow_packages() {
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nvim \
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python \
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readline \
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shell \
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ssh \
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tmux \
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x11 \
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58
shell/.config/shell/path.sh
Normal file
58
shell/.config/shell/path.sh
Normal file
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@ -0,0 +1,58 @@
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# This file is meant to be sourced from either $ZDOTDIR/.zshenv or
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# $ZDOTDIR/.zshrc (see those files for explanation).
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# Prevent path_helper from messing with the PATH when starting tmux.
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#
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# Clearing PATH before path_helper executes (from /etc/profile) will prevent it
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# from prepending the default PATH to our (previously) chosen PATH, and will
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# allow the rest of this file to set up PATH and MANPATH correctly.
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#
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# For details see: https://superuser.com/a/583502
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#
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[ "$(uname -s)" = "Darwin" ] && { PATH=""; source /etc/profile; }
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# Add custom bin dirs to PATH if they exist and are not already in PATH.
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while read -r dir; do
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case ":${PATH:=$dir}:" in
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*:"$dir":*) ;;
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*) PATH="$dir:$PATH" ;;
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esac
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done <<EOL
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$LOCAL_PREFIX/bin
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$LOCAL_PREFIX/opt/findutils/libexec/gnubin
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$HOME/.local/bin
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EOL
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export PATH
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# Prepend custom man directories to MANPATH if they exist, so that we get
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# correct man page entries when multiple versions of a command are
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# available.
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command -v manpath >/dev/null 2>&1 && MANPATH="$(unset MANPATH; manpath)"
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while read -r dir; do
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case ":${MANPATH:=$dir}:" in
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*:"$dir":*) ;;
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*) MANPATH="$dir:$MANPATH" ;;
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esac
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done <<EOL
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$LOCAL_PREFIX/share/man
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$LOCAL_PREFIX/opt/findutils/libexec/gnuman
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$HOME/.local/share/man
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EOL
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export MANPATH
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unset dir
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# These checks habe to be done after PATH manipulation above so we can find
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# installed programs if they are in the added paths.
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if command -v nvim >/dev/null 2>&1; then
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export EDITOR="nvim"
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else
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export EDITOR="vim"
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fi
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if command -v brew >/dev/null 2>&1; then
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export HOMEBREW_NO_ANALYTICS=1
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export HOMEBREW_NO_AUTO_UPDATE=1
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fi
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@ -1,6 +1,9 @@
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#!/bin/zsh
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# Set up zsh for interactive use (options, prompt, aliases, etc.)
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# On MacOS, manipulate PATH and MANPATH here (see explanation in .zshenv).
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[ "$(uname -s)" = "Darwin" ] && source "$XDG_CONFIG_HOME/shell/path.sh"
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# Source additional configurations if available.
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while read -r f; do [ -f "$f" ] && source "$f"; done <<EOL
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$ZDOTDIR/aliases
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60
zsh/.zshenv
60
zsh/.zshenv
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@ -36,53 +36,15 @@ export ZDOTDIR="$XDG_CONFIG_HOME/zsh"
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unset rst
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}
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# Prevent path_helper from messing with the PATH when starting tmux.
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# See: https://superuser.com/a/583502
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[ "$(uname -s)" = "Darwin" ] && { PATH=""; source /etc/profile; }
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# Add custom bin dirs to PATH if they exist and are not already in PATH.
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while read -r dir; do
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case ":${PATH:=$dir}:" in
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*:"$dir":*) ;;
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*) PATH="$dir:$PATH" ;;
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esac
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done <<EOL
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$LOCAL_PREFIX/opt/findutils/libexec/gnubin
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$LOCAL_PREFIX/bin
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$HOME/.local/bin
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EOL
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export PATH
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# Prepend custom man directories to MANPATH if they exist, so that we get
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# correct man page entries when multiple versions of a command are
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# available.
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command -v manpath >/dev/null 2>&1 && MANPATH="$(unset MANPATH; manpath)"
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while read -r dir; do
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case ":${MANPATH:=$dir}:" in
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*:"$dir":*) ;;
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*) MANPATH="$dir:$MANPATH" ;;
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esac
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done <<EOL
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$LOCAL_PREFIX/opt/findutils/libexec/gnuman
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$LOCAL_PREFIX/share/man
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$HOME/.local/share/man
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EOL
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export MANPATH
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unset dir
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# These checks habe to be done after PATH manipulation above so we can find
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# installed programs if they are in the added paths.
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if command -v nvim >/dev/null 2>&1; then
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export EDITOR="nvim"
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else
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export EDITOR="vim"
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fi
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if command -v brew >/dev/null 2>&1; then
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LOCAL_PREFIX="$(brew --prefix)"
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export HOMEBREW_NO_ANALYTICS=1
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export HOMEBREW_NO_AUTO_UPDATE=1
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fi
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# Add custom directories to PATH and MANPATH.
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#
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# On MacOS, we skip it here because these relevant files are sourced in order
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# by zsh on startup ($ZDOTDIR defaults to $HOME if not set):
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#
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# $ZDOTDIR/.zshenv <-- This file.
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# /etc/zprofile <-- On MacOS this sources /usr/libexec/path_helper,
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# which would undo what we do here.
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# $ZDOTDIR/.zshrc <-- So we defer our PATH manipulation to this file.
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#
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[ "$(uname -s)" = "Darwin" ] || source "$XDG_CONFIG_HOME/shell/path.sh"
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