mirror of
https://github.com/Matir/skel.git
synced 2026-07-24 21:26:57 -07:00
276 lines
9.0 KiB
Bash
Executable File
276 lines
9.0 KiB
Bash
Executable File
#!/bin/sh
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# Sourced by zshrc as well as bash.
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# Should only use POSIX shell constructs.
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# shellcheck shell=sh
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umask 027
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# Paths and preferences
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export PYTHONPATH="$HOME/.python:$PYTHONPATH"
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export GOPATH="$HOME/go:$HOME/Projects/Go:/usr/share/gocode"
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export PATH="$HOME/bin:$HOME/bin/tools:/sbin:/usr/sbin:$PATH:$HOME/go/bin:$HOME/.npm-packages/bin"
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export VISUAL=vim
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export EDITOR=vim
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export DEBEMAIL="david@systemoverlord.com"
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export DEBFULLNAME="David Tomaschik"
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export LESS="-MR"
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export QUOTING_STYLE="literal" # Coreutils quotes
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export HOMEBREW_NO_ENV_HINTS=1
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# Fix gnome-terminal
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if [ "$TERM" = "xterm" ] && [ "$COLORTERM" = "gnome-terminal" ] ; then
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# Requires `ncurses-base` package for terminfo.
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export TERM="xterm-256color"
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fi
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# For virtualenvwrapper
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export WORKON_HOME="$HOME/.virtualenvs"
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# GPG full key id
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export GPG_ID=7FD58D9A196DCEEEAD671F94F4D7A7915DEA789B
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# things we need in all interactive shells
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case "$-" in
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*i*)
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# Terminal preferences for i3
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if [ -z "${TERMINAL}" ] ; then
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for t in urxvt gnome-terminal; do
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if TERMINAL=$(command -v ${t}) ; then
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export TERMINAL
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fi
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done
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fi
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# Browser preferences
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if [ -z "${BROWSER}" ] ; then
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for t in google-chrome-beta google-chrome firefox ; do
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if BROWSER=$(command -v ${t}); then
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export BROWSER
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break
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fi
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done
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fi
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# Setup locale
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if test -x /usr/bin/locale ; then
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for l in en_US.utf8 en_US.UTF-8 C.UTF-8 C.utf8 C ; do
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if /usr/bin/locale -a | grep -q "${l}" ; then
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export LC_CTYPE=${l}
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export LC_NUMERIC=${l}
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export LC_TIME=${l}
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export LC_MONETARY=${l}
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export LC_MESSAGES=${l}
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export LC_PAPER=${l}
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export LC_NAME=${l}
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export LC_ADDRESS=${l}
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export LC_TELEPHONE=${l}
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export LC_MEASUREMENT=${l}
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export LC_IDENTIFICATION=${l}
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break
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fi
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done
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else
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export LC_CTYPE=C
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export LC_NUMERIC=C
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export LC_TIME=C
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export LC_MONETARY=C
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export LC_MESSAGES=C
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export LC_PAPER=C
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export LC_NAME=C
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export LC_ADDRESS=C
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export LC_TELEPHONE=C
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export LC_MEASUREMENT=C
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export LC_IDENTIFICATION=C
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fi
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export LC_COLLATE=C
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;;
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esac
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# Opt out of .net telemetry
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export DOTNET_CLI_TELEMETRY_OPTOUT=1
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# Suppress lvm warnings
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export LVM_SUPPRESS_FD_WARNINGS=1
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# Default disable SSH forwarding in EARTHLY
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export EARTHLY_SSH_AUTH_SOCK=""
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# Handle SSH_AUTH_SOCK for tmux consistency
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case "$-" in
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*i*)
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_SSH_AUTH_LINK="${HOME}/.ssh/ssh_auth_sock"
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# Helper to check if a path is our link or points to it
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_is_link_path() {
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[ -z "$1" ] && return 1
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_target="${_SSH_AUTH_LINK:-${HOME}/.ssh/ssh_auth_sock}"
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[ "$1" = "${_target}" ] && { unset -v _target; return 0; }
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if [ -L "$1" ] && command -v readlink >/dev/null 2>&1; then
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_T=$(readlink "$1")
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# Handle relative symlinks
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case "${_T}" in /*) ;; *) _T="$(dirname "$1")/${_T}" ;; esac
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[ "${_T}" = "${_target}" ] && { unset -v _target _T; return 0; }
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unset -v _T
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fi
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unset -v _target
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return 1
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}
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# Helper to check if an SSH socket is valid and useful
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_is_valid_ssh_sock() {
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[ -z "$1" ] && return 1
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[ -S "$1" ] || return 1
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if command -v nc >/dev/null 2>&1; then
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# Use nc to quickly check if the socket is listening.
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# We use -N to shutdown the socket after EOF on stdin (for OpenBSD netcat compatibility).
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if echo '' | nc -w 1 -N -U "$1" >/dev/null 2>&1; then
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return 0
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fi
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fi
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if command -v ssh-add >/dev/null 2>&1; then
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SSH_AUTH_SOCK="$1" ssh-add -l >/dev/null 2>&1
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case "$?" in
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0|1) return 0 ;;
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*) return 1 ;;
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esac
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fi
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if command -v nc >/dev/null 2>&1; then
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return 1
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fi
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return 0
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}
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# Function to get the path to the socket for the local ssh-agent
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get_local_ssh_agent_sock() {
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_found=""
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if [ "$(uname)" = "Darwin" ]; then
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_found=$(launchctl getenv SSH_AUTH_SOCK 2>/dev/null)
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elif command -v systemctl >/dev/null 2>&1; then
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# Query systemd socket units directly to avoid environment overrides.
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for _u in ssh-agent.socket openssh-agent.socket gcr-ssh-agent.socket gpg-agent-ssh.socket; do
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_p=$(systemctl --user show "${_u}" -p Listen 2>/dev/null | cut -d= -f2- | cut -d' ' -f1)
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if ! _is_link_path "${_p}" && _is_valid_ssh_sock "${_p}"; then
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_found="${_p}"
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break
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fi
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done
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# Fallback to systemd environment
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if [ -z "${_found}" ] || _is_link_path "${_found}" || ! _is_valid_ssh_sock "${_found}"; then
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_found=$(systemctl --user show-environment 2>/dev/null | grep "^SSH_AUTH_SOCK=" | cut -d= -f2-)
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fi
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fi
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if [ -n "${_found}" ] && ! _is_link_path "${_found}" && _is_valid_ssh_sock "${_found}"; then
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echo "${_found}"
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unset -v _found _u _p
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return 0
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fi
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# Search common fallback paths
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_u=$(id -u)
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for _p in "/run/user/${_u}/keyring/ssh" "/run/user/${_u}/ssh-agent.socket" "/run/user/${_u}/openssh_agent" "/run/user/${_u}/gnupg/S.gpg-agent.ssh"; do
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if ! _is_link_path "${_p}" && _is_valid_ssh_sock "${_p}"; then
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echo "${_p}"
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unset -v _found _u _p
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return 0
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fi
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done
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# Search /run/user/UID and /tmp for agent.* sockets
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_search=""
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for _d in "/run/user/${_u}" /tmp; do [ -d "${_d}" ] && _search="${_search} ${_d}"; done
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if [ -n "${_search}" ]; then
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for _p in $(find ${_search} -maxdepth 2 -type s -name 'agent.*' 2>/dev/null); do
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if ! _is_link_path "${_p}" && _is_valid_ssh_sock "${_p}"; then
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echo "${_p}"
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unset -v _found _u _p _search _d
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return 0
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fi
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done
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fi
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unset -v _found _u _p _search _d
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return 1
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}
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# Function to reset SSH_AUTH_SOCK to the local ssh-agent
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reset_ssh_socket() {
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_rss_sock=$(get_local_ssh_agent_sock)
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if [ -n "${_rss_sock}" ]; then
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_rss_link="${HOME}/.ssh/ssh_auth_sock"
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mkdir -p "$(dirname "${_rss_link}")"
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ln -sf "${_rss_sock}" "${_rss_link}"
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export SSH_AUTH_SOCK="${_rss_link}"
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if command -v systemctl >/dev/null 2>&1; then
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systemctl --user set-environment SSH_AUTH_SOCK="${_rss_link}" 2>/dev/null
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fi
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echo "Reset SSH_AUTH_SOCK to ${_rss_link} -> ${_rss_sock}"
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unset -v _rss_sock _rss_link
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return 0
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else
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echo "reset_ssh_socket: no valid local ssh-agent socket found." >&2
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unset -v _rss_sock
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return 1
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fi
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}
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_CANDIDATE=""
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# 1. If current environment has a valid socket that is NOT our link, it's a prime candidate
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# (e.g. fresh SSH login: sshd sets SSH_AUTH_SOCK to the raw forwarded socket before ssh/rc
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# rewrites it to the stable symlink; the shell inherits the original raw path).
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if ! _is_link_path "${SSH_AUTH_SOCK:-}" && _is_valid_ssh_sock "${SSH_AUTH_SOCK:-}"; then
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_CANDIDATE="${SSH_AUTH_SOCK}"
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fi
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# 2. Only look for a system agent if the stable link is already broken. If the link is
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# valid (e.g. a tmux pane where SSH_AUTH_SOCK points to our symlink which ssh/rc just
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# updated to the forwarded socket), leave it alone — don't clobber it with a local agent.
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if [ -z "${_CANDIDATE}" ] && ! _is_valid_ssh_sock "${_SSH_AUTH_LINK}"; then
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_CANDIDATE=$(get_local_ssh_agent_sock)
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fi
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# 3. Sync the stable link if we found a valid "real" socket.
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if [ -n "${_CANDIDATE}" ] && ! _is_link_path "${_CANDIDATE}" && _is_valid_ssh_sock "${_CANDIDATE}"; then
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mkdir -p "$(dirname "${_SSH_AUTH_LINK}")"
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ln -sf "${_CANDIDATE}" "${_SSH_AUTH_LINK}"
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export SSH_AUTH_SOCK="${_SSH_AUTH_LINK}"
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# Update systemd if present to keep everything in sync
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if command -v systemctl >/dev/null 2>&1; then
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systemctl --user set-environment SSH_AUTH_SOCK="${_SSH_AUTH_LINK}" 2>/dev/null
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fi
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elif _is_valid_ssh_sock "${_SSH_AUTH_LINK}"; then
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# If we found nothing better but the link is valid, use it.
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export SSH_AUTH_SOCK="${_SSH_AUTH_LINK}"
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fi
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unset _SSH_AUTH_LINK _CANDIDATE
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;;
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esac
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# Setup XDG-like dirs on MacOS
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# Based on https://leebyron.com/til/mac-xdg/
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if [ "$(uname)" = "Darwin" ] ; then
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export XDG_BIN_HOME="${XDG_BIN_HOME:-$HOME/.local/bin}"
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export XDG_CACHE_HOME="${XDG_CACHE_HOME:-$HOME/Library/Caches}"
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export XDG_CONFIG_HOME="${XDG_CONFIG_HOME:-$HOME/.config}"
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export XDG_DATA_HOME="${XDG_DATA_HOME:-$HOME/.local/share}"
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# Using id -u for better POSIX compatibility than $UID
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export XDG_RUNTIME_DIR="${XDG_RUNTIME_DIR:-$TMPDIR/runtime-$(id -u)}"
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export XDG_STATE_HOME="${XDG_STATE_HOME:-$HOME/.local/state}"
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export PATH="${HOME}/bin/macos:${PATH}"
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elif [ "$(uname)" = "Linux" ] ; then
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export PATH="${HOME}/bin/linux:${PATH}"
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fi
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if test -e "$HOME/.localenv"; then
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# shellcheck source=/dev/null
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. "$HOME/.localenv"
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else
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true
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fi
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