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fix(fish): propagate SSH_AUTH_SOCK when tmux setenv is unavailable

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Some tools (herdr) don't use tmux's setenv -g to broadcast
SSH_AUTH_SOCK to new panes. Refresh the symlink when a real
socket is inherited, then always export the symlink path so
child shells in new panes can find it.
This commit is contained in:
gitadmin
2026-07-28 22:35:35 -04:00
parent f0c1cd53ea
commit 3b27586cdf
1 changed files with 11 additions and 0 deletions
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config/fish/conf.d/02-ssh-auth-sock.fish
+11
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@@ -2,8 +2,19 @@
# tmux forces SSH_AUTH_SOCK to ~/.ssh/ssh_auth_sock globally # tmux forces SSH_AUTH_SOCK to ~/.ssh/ssh_auth_sock globally
# (see config/tmux/tmux.conf), so this symlink must exist for every # (see config/tmux/tmux.conf), so this symlink must exist for every
# interactive shell -- not just bash login shells. # interactive shell -- not just bash login shells.
#
# For herdr (which lacks tmux's setenv -g): if we inherit a real
# SSH_AUTH_SOCK, update the symlink. Then always export the symlink
# path so new panes that didn't inherit the env still pick it up.
set -l auth_sock "$HOME/.ssh/ssh_auth_sock" set -l auth_sock "$HOME/.ssh/ssh_auth_sock"
# If we have a real socket (not the symlink), refresh the symlink
if set -q SSH_AUTH_SOCK; and test "$SSH_AUTH_SOCK" != "$auth_sock"; and test -S "$SSH_AUTH_SOCK" if set -q SSH_AUTH_SOCK; and test "$SSH_AUTH_SOCK" != "$auth_sock"; and test -S "$SSH_AUTH_SOCK"
mkdir -p "$HOME/.ssh" mkdir -p "$HOME/.ssh"
ln -sf "$SSH_AUTH_SOCK" "$auth_sock" ln -sf "$SSH_AUTH_SOCK" "$auth_sock"
end end
# Always export the symlink path if it points to a live socket
if test -S "$auth_sock"
set -gx SSH_AUTH_SOCK "$auth_sock"
end