(fix) zsh: fix ssh-agent location for remote zsh sessions

files/shell/.shellrc.alias

@@ -25,7 +25,7 @@ alias nupdate="nix-channel --update"
 alias typix="nix flake init --refresh -t github:loqusion/typix"
 alias twatch="typst watch"
 alias tbuild="tpst build"
-alias tlsp="nix-shell -p tinymist --command zsh"
+alias tlsp="nix-shell -p tinymist"
 
 alias nlatex="nix-shell -p texlive.combined.scheme-full"
 

patches/ssh-agent-location.patch

@@ -1,5 +1,5 @@
 diff --git a/plugins/ssh-agent/ssh-agent.plugin.zsh b/plugins/ssh-agent/ssh-agent.plugin.zsh
-index 8354864..61462fd 100644
+index 83548648..42ec378f 100644
 --- a/plugins/ssh-agent/ssh-agent.plugin.zsh
 +++ b/plugins/ssh-agent/ssh-agent.plugin.zsh
 @@ -24,7 +24,7 @@ function _start_agent() {
@@ -11,3 +11,13 @@ index 8354864..61462fd 100644
    chmod 600 "$ssh_env_cache"
    . "$ssh_env_cache" > /dev/null
  }
+@@ -107,7 +107,8 @@ if zstyle -t :omz:plugins:ssh-agent agent-forwarding \
+     fi
+   fi
+ else
+-  _start_agent
++  # Don't start new one, if ssh-agent is forwarded
++  [[ $SSH_AUTH_SOCK =~ ^"/tmp/ssh-" ]] || _start_agent
+ fi
+ 
+ # Don't add identities if lazy-loading is enabled