feature: add preludes for GoRun; Simplify asyncmake;

lua/go.lua

@@ -68,6 +68,13 @@ _GO_NVIM_CFG = {
     end
     return vim.ui.select
   end,
+  preludes = { -- experimental feature, set to empty to disable; set to function to enable
+    default = function() return {} end,  -- one for all commands
+    GoRun = function() -- the commands to run before GoRun, this override default
+      return {} -- e.g. return {'watchexe', '--restart', '-v', '-e', 'go'}
+      -- so you will run `watchexe --restart -v -e go go run `
+    end
+  },
   -- deprecated setups
   lsp_inlay_hints = {
     enable = true,

lua/go/asyncmake.lua

@@ -63,16 +63,17 @@ function M.make(...)
       end
     end
   end
-  if vim.fn.empty(makeprg) == 0 and args[1] == 'go' then
+  -- local indent = "%\\%(    %\\)"
+  if vim.fn.empty(makeprg) == 1 then
+    log('makeprog not setup')
+    return
+  end
+  if args[1] == 'go' then
     vim.notify(
       'makeprg is already set to ' .. makeprg .. ' args: ' .. vim.inspect(args),
       vim.log.levels.WARN
     )
-  end
+    makeprg = 'go'
-  -- local indent = "%\\%(    %\\)"
-  if not makeprg then
-    log('makeprog not setup')
-    return
   end
 
   local runner = vim.split(makeprg, ' ')[1]

lua/go/commands.lua

@@ -136,10 +136,9 @@ return {
     end, { nargs = '*' })
 
     create_cmd('GoImport', function(opts)
-      vim.notify('GoImport is deprecated, use GoImports' )
+      vim.notify('GoImport is deprecated, use GoImports')
       require('go.format').goimports(unpack(opts.fargs))
-    end, {
+    end, {})
-    })
     create_cmd('GoImports', function(opts)
       require('go.format').goimports(unpack(opts.fargs))
     end, {
@@ -171,11 +170,22 @@ return {
       gobin
     )
     vim.cmd(cmd)
+    local pcmdstr = ''
+    local preludes = _GO_NVIM_CFG.preludes
+    local gorun_preludes = preludes.GoRun or preludes.default
+    if gorun_preludes ~= nil then
+      local pcmd = gorun_preludes()
+      if #pcmd > 0 then
+        pcmdstr = table.concat(pcmd, '\\ ') .. '\\ '
+      end
+    end
 
     cmd = string.format(
-      [[command! -nargs=* -complete=customlist,v:lua.package.loaded.go.package_complete GoRun   :setl makeprg=%s\ run | lua require'go.asyncmake'.make(<f-args>)]],
+      [[command! -nargs=* -complete=customlist,v:lua.package.loaded.go.package_complete GoRun   :setl makeprg=%s%s\ run | lua require'go.asyncmake'.make(<f-args>)]],
+      pcmdstr,
       gobin
     )
+    utils.log(cmd)
     vim.cmd(cmd)
 
     create_cmd('GoStop', function(opts)
@@ -487,7 +497,7 @@ return {
       nargs = '*',
       complete = function(_, _, _)
         -- return completion candidates as a list-like table
-        return { 'generate', 'bootstrap', 'build', 'labels', 'run', 'watch'}
+        return { 'generate', 'bootstrap', 'build', 'labels', 'run', 'watch' }
       end,
     })
     create_cmd('GinkgoFunc', function(opts)