Parse file UID and GID

Closes https://github.com/sayanarijit/xplr/pull/494

docs/en/src/column-renderer.md

@@ -36,6 +36,8 @@ The special argument contains the following fields
 - [permissions][15]
 - [created][34]
 - [last_modified][35]
+- [uid][36]
+- [gid][37]
 - [canonical][16]
 - [symlink][17]
 - [index][18]
@@ -141,6 +143,18 @@ Type: nullable integer
 
 Last modification time in nanosecond since UNIX epoch.
 
+### uid
+
+Type: integer
+
+User ID of the file owner.
+
+### gid
+
+Type: integer
+
+Group ID of the file owner.
+
 ### canonical
 
 Type: nullable [Resolved Node Metadata][31]
@@ -256,6 +270,8 @@ It contains the following fields.
 - [human_size][14]
 - [created][34]
 - [last_modified][35]
+- [uid][36]
+- [gid][37]
 
 ## Example: Customizing Table Renderer
 
@@ -315,3 +331,5 @@ xplr.config.general.table.col_widths = {
 [33]: node-type.md#meta
 [34]: #created
 [35]: #last_modified
+[36]: #uid
+[37]: #gid

src/node.rs

@@ -2,6 +2,7 @@ use crate::permissions::Permissions;
 use humansize::{file_size_opts as options, FileSize};
 use serde::{Deserialize, Serialize};
 use std::cmp::Ordering;
+use std::os::unix::prelude::MetadataExt;
 use std::path::{Path, PathBuf};
 use std::time::UNIX_EPOCH;
 
@@ -33,6 +34,8 @@ pub struct ResolvedNode {
     pub human_size: String,
     pub created: Option<u128>,
     pub last_modified: Option<u128>,
+    pub uid: u32,
+    pub gid: u32,
 }
 
 impl ResolvedNode {
@@ -42,25 +45,27 @@ impl ResolvedNode {
             .map(|e| e.to_string_lossy().to_string())
             .unwrap_or_default();
 
-        let (is_dir, is_file, is_readonly, size, created, last_modified) = path
-            .metadata()
-            .map(|m| {
-                (
-                    m.is_dir(),
-                    m.is_file(),
-                    m.permissions().readonly(),
-                    m.len(),
-                    m.created()
-                        .ok()
-                        .and_then(|t| t.duration_since(UNIX_EPOCH).ok())
-                        .map(|d| d.as_nanos()),
-                    m.modified()
-                        .ok()
-                        .and_then(|t| t.duration_since(UNIX_EPOCH).ok())
-                        .map(|d| d.as_nanos()),
-                )
-            })
-            .unwrap_or((false, false, false, 0, None, None));
+        let (is_dir, is_file, is_readonly, size, created, last_modified, uid, gid) =
+            path.metadata()
+                .map(|m| {
+                    (
+                        m.is_dir(),
+                        m.is_file(),
+                        m.permissions().readonly(),
+                        m.len(),
+                        m.created()
+                            .ok()
+                            .and_then(|t| t.duration_since(UNIX_EPOCH).ok())
+                            .map(|d| d.as_nanos()),
+                        m.modified()
+                            .ok()
+                            .and_then(|t| t.duration_since(UNIX_EPOCH).ok())
+                            .map(|d| d.as_nanos()),
+                        m.uid(),
+                        m.gid(),
+                    )
+                })
+                .unwrap_or((false, false, false, 0, None, None, 0, 0));
 
         let mime_essence = mime_essence(&path, is_dir);
         let human_size = to_human_size(size);
@@ -76,6 +81,8 @@ impl ResolvedNode {
             human_size,
             created,
             last_modified,
+            uid,
+            gid,
         }
     }
 }
@@ -97,6 +104,8 @@ pub struct Node {
     pub permissions: Permissions,
     pub created: Option<u128>,
     pub last_modified: Option<u128>,
+    pub uid: u32,
+    pub gid: u32,
 
     pub canonical: Option<ResolvedNode>,
     pub symlink: Option<ResolvedNode>,
@@ -130,6 +139,8 @@ impl Node {
             permissions,
             created,
             last_modified,
+            uid,
+            gid,
         ) = path
             .symlink_metadata()
             .map(|m| {
@@ -148,6 +159,8 @@ impl Node {
                         .ok()
                         .and_then(|t| t.duration_since(UNIX_EPOCH).ok())
                         .map(|d| d.as_nanos()),
+                    m.uid(),
+                    m.gid(),
                 )
             })
             .unwrap_or_else(|_| {
@@ -160,6 +173,8 @@ impl Node {
                     Permissions::default(),
                     None,
                     None,
+                    0,
+                    0,
                 )
             });
 
@@ -182,6 +197,8 @@ impl Node {
             permissions,
             created,
             last_modified,
+            uid,
+            gid,
             canonical: maybe_canonical_meta.clone(),
             symlink: if is_symlink {
                 maybe_canonical_meta

src/ui.rs

@@ -410,6 +410,8 @@ pub struct NodeUiMetadata {
     pub symlink: Option<ResolvedNodeUiMetadata>,
     pub created: Option<u128>,
     pub last_modified: Option<u128>,
+    pub uid: u32,
+    pub gid: u32,
 
     // Extra
     pub index: usize,
@@ -458,6 +460,8 @@ impl NodeUiMetadata {
             symlink: node.symlink.to_owned().map(ResolvedNode::into),
             created: node.created,
             last_modified: node.last_modified,
+            uid: node.uid,
+            gid: node.gid,
             index,
             relative_index,
             is_before_focus,