ssh: revert to standard ~/.ssh/config file

-F ignores /etc/ssh/ssh_config

.config/fish/conf.d/__xdg.fish

@@ -75,10 +75,6 @@ set -gx CARGO_HOME $XDG_DATA_HOME/cargo
 set -gx CARGO_INSTALL_ROOT ~/.local
 set -gx RUSTUP_HOME $XDG_DATA_HOME/rustup
 
-# ssh
-set -gx GIT_SSH_COMMAND "ssh -F $XDG_CONFIG_HOME/ssh/config"
-alias ssh $GIT_SSH_COMMAND
-
 # uv
 set -gx UV_CACHE_DIR $XDG_CACHE_HOME/uv
 set -gx UV_PYTHON_INSTALL_DIR $XDG_DATA_HOME/uv/python

.gitignore

@@ -7,13 +7,15 @@
 /.config/fish/fish_variables
 /.config/gcloud/
 /.config/op/
-/.config/ssh/known_hosts
 /.config/zsh/*.zwc
 !/.github/
 !/.gitignore
 !/.hushlogin
 !/.pre-commit-config.yaml
 !/.profile
+!/.ssh/
+/.ssh/*
+!/.ssh/config
 !/.vscode/
 /.vscode/*
 !/.vscode/settings.json

.config/ssh/config → .ssh/config

@@ -1,9 +1,10 @@
 # -*- mode: ssh-config -*-
-Include ~/.config/ssh/conf.d/*.conf
+Include ~/.ssh/conf.d/*.conf
 
 Host *
     ControlMaster auto
     ControlPath ~/.local/state/ssh-%C
     ControlPersist yes
     SendEnv COLORTERM
-    UserKnownHostsFile ~/.config/ssh/known_hosts
+    ServerAliveInterval 300
+    UserKnownHostsFile ~/.ssh/known_hosts