Add $XPLR_INITIAL_PWD and 'gi' key binding

This will allow enable workspace like features, without using vroot.

docs/en/src/default-key-bindings.md

@@ -233,5 +233,6 @@ of [modes][4] and the key mappings for each mode.
 | --- | ------ | -------------- |
 | f   |        | follow symlink |
 | g   |        | top            |
+| i   |        | initial $PWD   |
 | p   |        | path           |
 | x   |        | open in gui    |

docs/en/src/environment-variables-and-pipes.md

@@ -49,6 +49,7 @@ The other variables are single-line variables containing simple information:
 - [XPLR_FOCUS_INDEX][31]
 - [XPLR_FOCUS_PATH][32]
 - [XPLR_INPUT_BUFFER][33]
+- [XPLR_INITIAL_PWD][40]
 - [XPLR_MODE][34]
 - [XPLR_PID][35]
 - [XPLR_SESSION_PATH][36]
@@ -73,6 +74,10 @@ Contains the index of the currently focused item, as seen in
 
 Contains the full path of the currently focused node.
 
+#### XPLR_INITIAL_PWD
+
+The $PWD then xplr started.
+
 #### XPLR_INPUT_BUFFER
 
 The line currently in displaying in the xplr input buffer. For e.g. the search
@@ -220,3 +225,4 @@ xplr.config.modes.builtin.default.key_bindings.on_key.X = {
 [37]: messages.md#reading-input
 [38]: #xplr
 [39]: #xplr_vroot
+[40]: #xplr_initial_pwd

docs/en/src/layout.md

@@ -384,6 +384,7 @@ Hence, only the following fields are avilable.
 
 - [version][40]
 - [pwd][41]
+- [initial_pwd][53]
 - [vroot][52]
 - [focused_node][42]
 - [selection][43]
@@ -449,4 +450,5 @@ Hence, only the following fields are avilable.
 [49]: lua-function-calls.md#explorer_config
 [50]: lua-function-calls.md#directory_buffer
 [51]: layouts.md
-[52]: #vroot
+[52]: lua-function-calls#vroot
+[53]: lua-function-calls#initial_pwd

docs/en/src/lua-function-calls.md

@@ -17,6 +17,7 @@ It contains the following information:
 
 - [version][29]
 - [pwd][31]
+- [initial_pwd][76]
 - [vroot][75]
 - [focused_node][32]
 - [directory_buffer][33]
@@ -42,6 +43,12 @@ Type: string
 
 The present working directory.
 
+### initial_pwd
+
+Type: string
+
+The initial working directory when xplr started.
+
 ### vroot
 
 Type: nullable string
@@ -392,3 +399,4 @@ xplr.config.modes.builtin.default.key_bindings.on_key.space = {
 [73]: #uid
 [74]: #gid
 [75]: #vroot
+[76]: #initial_pwd

src/app.rs

@@ -128,6 +128,7 @@ impl History {
 pub struct LuaContextHeavy {
     pub version: String,
     pub pwd: String,
+    pub initial_pwd: String,
     pub vroot: Option<String>,
     pub focused_node: Option<Node>,
     pub directory_buffer: Option<DirectoryBuffer>,
@@ -146,6 +147,7 @@ pub struct LuaContextHeavy {
 pub struct LuaContextLight {
     pub version: String,
     pub pwd: String,
+    pub initial_pwd: String,
     pub vroot: Option<String>,
     pub focused_node: Option<Node>,
     pub selection: IndexSet<Node>,
@@ -172,6 +174,7 @@ pub struct App {
     pub vroot: Option<String>,
     pub initial_vroot: Option<String>,
     pub pwd: String,
+    pub initial_pwd: String,
     pub directory_buffer: Option<DirectoryBuffer>,
     pub last_focus: HashMap<String, Option<String>>,
     pub selection: IndexSet<Node>,
@@ -316,6 +319,8 @@ impl App {
         let initial_vroot = vroot.clone();
         env::set_current_dir(&pwd)?;
 
+        let initial_pwd = pwd.clone();
+
         let input = InputBuffer {
             buffer: Default::default(),
             prompt: config.general.prompt.format.clone().unwrap_or_default(),
@@ -328,6 +333,7 @@ impl App {
             vroot,
             initial_vroot,
             pwd,
+            initial_pwd,
             directory_buffer: Default::default(),
             last_focus: Default::default(),
             selection: Default::default(),
@@ -1780,6 +1786,7 @@ impl App {
         LuaContextHeavy {
             version: self.version.clone(),
             pwd: self.pwd.clone(),
+            initial_pwd: self.initial_pwd.clone(),
             vroot: self.vroot.clone(),
             focused_node: self.focused_node().cloned(),
             directory_buffer: self.directory_buffer.clone(),
@@ -1799,6 +1806,7 @@ impl App {
         LuaContextLight {
             version: self.version.clone(),
             pwd: self.pwd.clone(),
+            initial_pwd: self.initial_pwd.clone(),
             vroot: self.vroot.clone(),
             focused_node: self.focused_node().cloned(),
             selection: self.selection.clone(),

src/init.lua

@@ -1641,7 +1641,17 @@ xplr.config.modes.builtin.go_to = {
           { SetInputBuffer = "" },
         },
       },
-
+      ["i"] = {
+        help = "initial $PWD",
+        messages = {
+          "PopMode",
+          {
+            BashExecSilently0 = [===[
+              "$XPLR" -m 'ChangeDirectory: %q' "${XPLR_INITIAL_PWD:?}"
+            ]===],
+          },
+        },
+      },
       ["x"] = {
         help = "open in gui",
         messages = {

src/runner.rs

@@ -113,6 +113,7 @@ fn call(
         .env("XPLR_APP_VERSION", &app.version)
         .env("XPLR_PID", &app.pid.to_string())
         .env("XPLR_INPUT_BUFFER", input_buffer)
+        .env("XPLR_INITIAL_PWD", &app.initial_pwd)
         .env("XPLR_FOCUS_PATH", app.focused_node_str())
         .env("XPLR_FOCUS_INDEX", focus_index)
         .env("XPLR_SESSION_PATH", &app.session_path)