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Remove pointless exports from ssh/rc, add process-model comment

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ssh/rc runs as a sshd child process so exports never reach the user's
shell. SSH_REMOTE_AUTH_SOCK was set and exported but never used (a
leftover from a prior failed fix attempt). SSH_AUTH_SOCK was reassigned
to the symlink path and exported, also to no effect. Remove both.

https://claude.ai/code/session_01RhXaFzxJA5D2BcGcz18ipA
This commit is contained in:
Claude
2026-04-19 02:19:05 +00:00
parent c5e1157f47
commit 7444f5b97b
1 changed files with 4 additions and 4 deletions
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8
dotfiles/ssh/rc
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@@ -2,19 +2,19 @@
# Roughly based on this article: # Roughly based on this article:
# https://werat.github.io/2017/02/04/tmux-ssh-agent-forwarding.html # https://werat.github.io/2017/02/04/tmux-ssh-agent-forwarding.html
#
# NOTE: this file is executed by sshd as a child process, NOT sourced by the
# user's shell. Any variable assignments or exports here have no effect on the
# shell environment the user will land in.
REMOTE_LINK="${HOME}/.ssh/ssh_auth_sock" REMOTE_LINK="${HOME}/.ssh/ssh_auth_sock"
if [ -S "${SSH_AUTH_SOCK}" ] ; then if [ -S "${SSH_AUTH_SOCK}" ] ; then
SSH_REMOTE_AUTH_SOCK="${SSH_AUTH_SOCK}"
export SSH_REMOTE_AUTH_SOCK
# Always update the symlink to the latest session's socket. # Always update the symlink to the latest session's socket.
# This ensures that tmux (which uses the static path) always points to a # This ensures that tmux (which uses the static path) always points to a
# current agent. # current agent.
mkdir -p "$(dirname "${REMOTE_LINK}")" mkdir -p "$(dirname "${REMOTE_LINK}")"
ln -sf "${SSH_AUTH_SOCK}" "${REMOTE_LINK}" ln -sf "${SSH_AUTH_SOCK}" "${REMOTE_LINK}"
SSH_AUTH_SOCK="${REMOTE_LINK}"
export SSH_AUTH_SOCK
fi fi
# if stdin is a tty, don't do the cookie step # if stdin is a tty, don't do the cookie step