Added fix for #7981 - Replaced crate serde_ini with rust-ini for package nu-command/from (#8009)

# Description

Added fix for #7981 - Replaced crate serde_ini with rust-ini for package
nu-command/from

# Tests + Formatting

Added a test to support addition of the rust-ini crate.

`cargo test --package nu-command --lib -- formats::from::ini::tests
--nocapture`

Executed all tests.

`cargo test --workspace`

---------

Co-authored-by: Nitin Londhe <nitin.londhe@genmills.com>

crates/nu-command/Cargo.toml

@@ -76,7 +76,7 @@ roxmltree = "0.17.0"
 rust-embed = "6.3.0"
 same-file = "1.0.6"
 serde = { version = "1.0.123", features = ["derive"] }
-serde_ini = "0.2.0"
+rust-ini = "0.18.0"
 serde_urlencoded = "0.7.0"
 serde_yaml = "0.9.4"
 sha2 = "0.10.0"

crates/nu-command/src/formats/from/ini.rs

@@ -1,4 +1,3 @@
-use indexmap::map::IndexMap;
 use nu_protocol::ast::Call;
 use nu_protocol::engine::{Command, EngineState, Stack};
 use nu_protocol::{
@@ -58,23 +57,50 @@ pub fn from_ini_string_to_value(
     span: Span,
     val_span: Span,
 ) -> Result<Value, ShellError> {
-    let v: Result<IndexMap<String, IndexMap<String, String>>, serde_ini::de::Error> =
-        serde_ini::from_str(&s);
-    match v {
-        Ok(index_map) => {
-            let (cols, vals) = index_map
-                .into_iter()
-                .fold((vec![], vec![]), |mut acc, (k, v)| {
-                    let (cols, vals) = v.into_iter().fold((vec![], vec![]), |mut acc, (k, v)| {
-                        acc.0.push(k);
-                        acc.1.push(Value::String { val: v, span });
-                        acc
+    let ini_config: Result<ini::Ini, ini::ParseError> = ini::Ini::load_from_str(&s);
+
+    match ini_config {
+        Ok(config) => {
+            let mut sections: Vec<String> = Vec::new();
+            let mut sections_key_value_pairs: Vec<Value> = Vec::new();
+
+            for (section, properties) in config.iter() {
+                let mut keys_for_section: Vec<String> = Vec::new();
+                let mut values_for_section: Vec<Value> = Vec::new();
+
+                // section
+                match section {
+                    Some(section_name) => {
+                        sections.push(section_name.to_owned());
+                    }
+                    None => {
+                        sections.push(String::new());
+                    }
+                }
+
+                // section's key value pairs
+                for (key, value) in properties.iter() {
+                    keys_for_section.push(key.to_owned());
+                    values_for_section.push(Value::String {
+                        val: value.to_owned(),
+                        span,
                     });
-                    acc.0.push(k);
-                    acc.1.push(Value::Record { cols, vals, span });
-                    acc
+                }
+
+                // section with its key value pairs
+                sections_key_value_pairs.push(Value::Record {
+                    cols: keys_for_section,
+                    vals: values_for_section,
+                    span,
                 });
-            Ok(Value::Record { cols, vals, span })
+            }
+
+            // all sections with all its key value pairs
+            Ok(Value::Record {
+                cols: sections,
+                vals: sections_key_value_pairs,
+                span,
+            })
         }
         Err(err) => Err(ShellError::UnsupportedInput(
             format!("Could not load ini: {err}"),
@@ -104,4 +130,28 @@ mod tests {
 
         test_examples(FromIni {})
     }
+
+    #[test]
+    fn read_ini_config_passes() {
+        let ini_test_config = r"
+        min-width=450
+        max-width=820
+
+        [normal]
+        sound-file=/usr/share/sounds/freedesktop/stereo/dialog-information.oga
+
+        [critical]
+        border-color=FAB387ff
+        default-timeout=20
+        sound-file=/usr/share/sounds/freedesktop/stereo/dialog-warning.oga
+        ";
+
+        let result = from_ini_string_to_value(
+            ini_test_config.to_owned(),
+            Span::test_data(),
+            Span::test_data(),
+        );
+
+        assert!(result.is_ok());
+    }
 }

crates/nu-command/src/formats/from/mod.rs

@@ -19,10 +19,10 @@ mod yaml;
 pub use self::csv::FromCsv;
 pub use self::toml::FromToml;
 pub use self::url::FromUrl;
+pub use crate::formats::from::ini::FromIni;
 pub use command::From;
 pub use eml::FromEml;
 pub use ics::FromIcs;
-pub use ini::FromIni;
 pub use json::FromJson;
 pub use nuon::FromNuon;
 pub use ods::FromOds;