feat(terminal type): add clink mode terminal

add clink injected cmd.exe terminal support

internal/shell/clink.go

@@ -0,0 +1,51 @@
+/*
+ *    Copyright 2024 Han Li and contributors
+ *
+ *    Licensed under the Apache License, Version 2.0 (the "License");
+ *    you may not use this file except in compliance with the License.
+ *    You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *    Unless required by applicable law or agreed to in writing, software
+ *    distributed under the License is distributed on an "AS IS" BASIS,
+ *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *    See the License for the specific language governing permissions and
+ *    limitations under the License.
+ */
+
+package shell
+
+import (
+	"fmt"
+
+	"github.com/version-fox/vfox/internal/env"
+)
+
+const clinkHook = `
+{{.EnvContent}}
+"{{.SelfPath}}" env --cleanup > nul 2> nul
+`
+
+type clink struct{}
+
+var Clink = clink{}
+
+func (b clink) Activate() (string, error) {
+	return clinkHook, nil
+}
+
+func (b clink) Export(envs env.Vars) (out string) {
+	for key, value := range envs {
+		if value == nil {
+			out += b.set(key, "")
+		} else {
+			out += b.set(key, *value)
+		}
+	}
+	return
+}
+
+func (b clink) set(key, value string) string {
+	return fmt.Sprintf("set \"%s=%s\"\n", key, value)
+}

internal/shell/readme.md

@@ -0,0 +1,25 @@
+Find the clink script path: `clink info | findstr scripts`
+
+Generate `vfox.cmd` script to clink script path
+```bat
+where /q vfox && for /f "tokens=*" %%i in ('vfox activate clink') do call %%i
+```
+
+Generate `vfox.lua` script to clink script path
+```lua
+os.setenv('__VFOX_PID', os.getpid())
+local vfox_prompt = clink.promptfilter(30)
+function vfox_prompt:filter(prompt)
+  local env = io.popen('vfox env -s clink')
+  for line in env:lines() do
+    local ei = string.find(line, '=')
+    if ei and ei > 1 then
+      local key = string.sub(line, 6, ei-1)
+      local val = string.sub(line, ei+1, #line-1)
+      --print('['.. key ..']','['.. val ..']')
+      os.setenv(key, val ~= '' and val or nil)
+    end
+  end
+  env:close()
+end
+```

internal/shell/shell.go

@@ -36,6 +36,8 @@ func NewShell(name string) Shell {
 		return Pwsh
 	case "fish":
 		return Fish
+	case "clink":
+		return Clink
 	}
 	return nil