systemd: Add user ssh-agent unit

config/systemd/user/default.target.wants/ssh-agent.service

@@ -0,0 +1 @@
+../ssh-agent.service

config/systemd/user/ssh-agent.service

@@ -0,0 +1,13 @@
+[Unit]
+Description=SSH publickey authentication agent
+
+[Service]
+Type=simple
+Environment=SSH_AUTH_SOCK=%t/ssh-agent.sock
+ExecStart=/usr/bin/ssh-agent -D -a ${SSH_AUTH_SOCK}
+ExecStartPost=/usr/bin/systemctl --user set-environment SSH_AUTH_SOCK=${SSH_AUTH_SOCK}
+ExecStopPre=/usr/bin/systemctl --user unset-environment SSH_AUTH_SOCK=${SSH_AUTH_SOCK}
+
+[Install]
+WantedBy=default.target
+

install

@@ -102,12 +102,16 @@ msg "Linking .config files... ($XDG_CONFIG_HOME)"
             mkdir "$XDG_CONFIG_HOME/$dir"
         fi
     done
-    for file in $(find . -type f); do
+    for file in $(find . -type f -o -type l); do
         file="${file:2}"
         color 32 echo "  Adding $file"
+        if [[ -L "$file" ]]; then
+            cp "$file" "$XDG_CONFIG_HOME/$file"
+        else
             relink "$DOT/config/$file" "$XDG_CONFIG_HOME/$file"
+        fi
     done
-);
+)
 
 # Setup git
 msg "Setting up Git configuration..."