fix(ex.cwd): add separator to the end

lua/lualine/components/ex/cwd.lua

@@ -22,7 +22,7 @@ function Cwd:update_status()
     local sep = package.config:sub(1, 1)
     local dirs = vim.split(cwd, sep, { plain = true, trimempty = true })
     if #dirs <= math.abs(depth) then
-        return cwd
+        return cwd:sub(#cwd) == sep and cwd or cwd .. sep
     end
     local prefix = (self.options.prefix and depth > 0) and self.options.prefix .. sep or ''
     local max_length = ex.max_length(self.options.max_length, cwd) or 0

tests/components/cwd_spec.lua

@@ -33,6 +33,14 @@ describe('cwd component', function()
         end)
     end)
 
+    it('should add the path separator to the end of the cwd', function()
+        cwd = '/a/b/c'
+        local opts = { depth = 3 }
+        l.test_matched_component(component_name, opts, function(ct)
+            eq(cwd .. '/', ct.value)
+        end)
+    end)
+
     it('should contain only {depth} parts of the cwd from the end', function()
         cwd = '/a/b/c/d/'
         local opts = { depth = 3 }
@@ -41,6 +49,14 @@ describe('cwd component', function()
         end)
     end)
 
+    it('should add the path separator to the end of the cropped cwd', function()
+        cwd = '/a/b/c/d'
+        local opts = { depth = 3 }
+        l.test_matched_component(component_name, opts, function(ct)
+            eq('…/b/c/d/', ct.value)
+        end)
+    end)
+
     it(
         'should contain only {depth} parts of the cwd from the start and do not use prefix',
         function()