systemd,vimrc: add,use gopls daemon

.config/systemd/user/gopls.service

@@ -0,0 +1,31 @@
+[Unit]
+Description = Go language server.
+
+[Service]
+ExecStartPre=bash -c "rm -v -f /tmp/.gopls-daemon.sock || true"
+ExecStart=%h/utils/go/bin/gopls -listen="unix;/tmp/.gopls-daemon.sock"
+ExecStopPost=bash -c "rm -v -f /tmp/.gopls-daemon.sock || true"
+; -remote.listen.timeout
+Restart=on-failure
+RestartSec=1m
+
+SystemCallFilter=~@reboot @obsolete
+
+ProtectProc=invisible
+ProcSubset=pid
+ProtectHome=true
+
+RestrictNamespaces=true
+
+NoNewPrivileges=yes
+ProtectSystem=strict
+DevicePolicy=closed
+LockPersonality=true
+MemoryDenyWriteExecute=true
+RestrictAddressFamilies=AF_UNIX
+RestrictRealtime=true
+RestrictSUIDSGID=true
+SystemCallArchitectures=native
+
+[Install]
+WantedBy=default.target

.vim/vimrc

@@ -498,6 +498,8 @@ let g:go_fmt_command='gopls'
 let g:go_fmt_autosave = 1
 " go install mvdan.cc/gofumpt@latest
 let g:go_gopls_gofumpt=1
+" let lsp handle connecting to gopls
+let g:go_gopls_enabled = 0
 
 augroup vimgo
     au!
@@ -681,7 +683,7 @@ if executable('gopls')
     autocmd!
     autocmd User lsp_setup call lsp#register_server({
       \   'name': 'gopls',
-      \   'cmd': ['gopls'],
+      \   'cmd': ['gopls', '-remote=unix;/tmp/.gopls-daemon.sock'],
       \   'allowlist': ['go', 'gomod', 'gosum','gotexttmpl','gohtmltmpl'],
       \   'gofumpt': 'true',
       \ })