Merge branch 'master' into build-warnings

# Conflicts:
#	src/commands/config.rs

.circleci/config.yml

@@ -116,6 +116,13 @@ workflows:
                    docker push quay.io/nushell/nu:devel
 
   nightly:
+    triggers:
+      - schedule:
+          cron: "0 0 * * *"
+          filters:
+            branches:
+              only:
+                - master
     jobs:
       - docker/publish:
           image: nushell/nu-base
@@ -123,9 +130,6 @@ workflows:
           tag: nightly
           dockerfile: docker/Dockerfile.nu-base
           extra_build_args: --cache-from=quay.io/nushell/nu-base:nightly --build-arg RELEASE=true
-          filters:
-            branches:
-              only: master
           before_build:
             - run: docker pull quay.io/nushell/nu:nightly
             - run: docker pull quay.io/nushell/nu-base:nightly
@@ -139,11 +143,3 @@ workflows:
                 command: |
                    docker push quay.io/nushell/nu-base:nightly
                    docker push quay.io/nushell/nu:nightly
-
-    triggers:
-      - schedule:
-          cron: "0 22 * * *"
-          filters:
-            branches:
-              only:
-                - master

src/commands/config.rs

@@ -1,16 +1,17 @@
-use crate::prelude::*;
-
 use crate::commands::WholeStreamCommand;
-use crate::errors::ShellError;
 use crate::data::{config, Value};
+use crate::errors::ShellError;
 use crate::parser::hir::SyntaxType;
 use crate::parser::registry::{self};
+use crate::prelude::*;
 use std::iter::FromIterator;
+use std::path::PathBuf;
 
 pub struct Config;
 
 #[derive(Deserialize)]
 pub struct ConfigArgs {
+    load: Option<Tagged<PathBuf>>,
     set: Option<(Tagged<String>, Tagged<Value>)>,
     get: Option<Tagged<String>>,
     clear: Tagged<bool>,
@@ -25,6 +26,7 @@ impl WholeStreamCommand for Config {
 
     fn signature(&self) -> Signature {
         Signature::build("config")
+            .named("load", SyntaxType::Path)
             .named("set", SyntaxType::Any)
             .named("get", SyntaxType::Any)
             .named("remove", SyntaxType::Any)
@@ -47,6 +49,7 @@ impl WholeStreamCommand for Config {
 
 pub fn config(
     ConfigArgs {
+        load,
         set,
         get,
         clear,
@@ -55,7 +58,15 @@ pub fn config(
     }: ConfigArgs,
     RunnableContext { name, .. }: RunnableContext,
 ) -> Result<OutputStream, ShellError> {
-    let mut result = crate::data::config::config(name)?;
+    let name_span = name;
+
+    let configuration = if let Some(supplied) = load {
+        Some(supplied.item().clone())
+    } else {
+        None
+    };
+
+    let mut result = crate::data::config::read(name_span, &configuration)?;
 
     if let Some(v) = get {
         let key = v.to_string();
@@ -63,15 +74,27 @@ pub fn config(
             .get(&key)
             .ok_or_else(|| ShellError::string(&format!("Missing key {} in config", key)))?;
 
-        return Ok(
-            stream![value.clone()].into(), // futures::stream::once(futures::future::ready(ReturnSuccess::Value(value.clone()))).into(),
-        );
+        let mut results = VecDeque::new();
+
+        match value {
+            Tagged {
+                item: Value::Table(list),
+                ..
+            } => {
+                for l in list {
+                    results.push_back(ReturnSuccess::value(l.clone()));
+                }
+            }
+            x => results.push_back(ReturnSuccess::value(x.clone())),
+        }
+
+        return Ok(results.to_output_stream());
     }
 
     if let Some((key, value)) = set {
         result.insert(key.to_string(), value.clone());
 
-        config::write_config(&result)?;
+        config::write(&result, &configuration)?;
 
         return Ok(stream![Tagged::from_simple_spanned_item(
             Value::Row(result.into()),
@@ -87,7 +110,7 @@ pub fn config(
     {
         result.clear();
 
-        config::write_config(&result)?;
+        config::write(&result, &configuration)?;
 
         return Ok(stream![Tagged::from_simple_spanned_item(
             Value::Row(result.into()),
@@ -101,7 +124,7 @@ pub fn config(
         tag: Tag { span, .. },
     } = path
     {
-        let path = config::config_path()?;
+        let path = config::default_path_for(&configuration)?;
 
         return Ok(stream![Tagged::from_simple_spanned_item(
             Value::Primitive(Primitive::Path(path)),
@@ -115,7 +138,7 @@ pub fn config(
 
         if result.contains_key(&key) {
             result.swap_remove(&key);
-            config::write_config(&result)?;
+            config::write(&result, &configuration)?;
         } else {
             return Err(ShellError::string(&format!(
                 "{} does not exist in config",

src/data/base.rs

@@ -558,6 +558,7 @@ impl Value {
             Value::Primitive(Primitive::Decimal(x)) => Ok(format!("{}", x)),
             Value::Primitive(Primitive::Int(x)) => Ok(format!("{}", x)),
             Value::Primitive(Primitive::Bytes(x)) => Ok(format!("{}", x)),
+            Value::Primitive(Primitive::Path(x)) => Ok(format!("{}", x.display())),
             // TODO: this should definitely be more general with better errors
             other => Err(ShellError::string(format!(
                 "Expected string, got {:?}",

src/data/config.rs

@@ -11,52 +11,60 @@ use std::fs::{self, OpenOptions};
 use std::io;
 use std::path::{Path, PathBuf};
 
-const APP_INFO: AppInfo = AppInfo {
-    name: "nu",
-    author: "nu shell developers",
-};
-
 #[derive(Deserialize, Serialize)]
 struct Config {
     #[serde(flatten)]
     extra: IndexMap<String, Tagged<Value>>,
 }
 
-pub(crate) fn config_path() -> Result<PathBuf, ShellError> {
-    let location = app_root(AppDataType::UserConfig, &APP_INFO)
-        .map_err(|err| ShellError::string(&format!("Couldn't open config file:\n{}", err)))?;
+pub const APP_INFO: AppInfo = AppInfo {
+    name: "nu",
+    author: "nu shell developers",
+};
 
-    Ok(location.join("config.toml"))
+pub fn config_path() -> Result<PathBuf, ShellError> {
+    let path = app_root(AppDataType::UserConfig, &APP_INFO)
+        .map_err(|err| ShellError::string(&format!("Couldn't open config path:\n{}", err)))?;
+
+    Ok(path)
 }
 
-pub(crate) fn write_config(config: &IndexMap<String, Tagged<Value>>) -> Result<(), ShellError> {
-    let location = app_root(AppDataType::UserConfig, &APP_INFO)
-        .map_err(|err| ShellError::string(&format!("Couldn't open config file:\n{}", err)))?;
-
-    let filename = location.join("config.toml");
-    touch(&filename)?;
-
-    let contents =
-        value_to_toml_value(&Value::Row(Dictionary::new(config.clone())).tagged_unknown())?;
-
-    let contents = toml::to_string(&contents)?;
-
-    fs::write(&filename, &contents)?;
-
-    Ok(())
+pub fn default_path() -> Result<PathBuf, ShellError> {
+    default_path_for(&None)
 }
 
-pub(crate) fn config(span: impl Into<Span>) -> Result<IndexMap<String, Tagged<Value>>, ShellError> {
-    let span = span.into();
+pub fn default_path_for(file: &Option<PathBuf>) -> Result<PathBuf, ShellError> {
+    let filename = &mut config_path()?;
+    let filename = match file {
+        None => {
+            filename.push("config.toml");
+            filename
+        }
+        Some(file) => {
+            filename.push(file);
+            filename
+        }
+    };
 
-    let location = app_root(AppDataType::UserConfig, &APP_INFO)
-        .map_err(|err| ShellError::string(&format!("Couldn't open config file:\n{}", err)))?;
+    Ok(filename.clone())
+}
+
+pub fn read(
+    span: impl Into<Span>,
+    at: &Option<PathBuf>,
+) -> Result<IndexMap<String, Tagged<Value>>, ShellError> {
+    let filename = default_path()?;
+
+    let filename = match at {
+        None => filename,
+        Some(ref file) => file.clone(),
+    };
 
-    let filename = location.join("config.toml");
     touch(&filename)?;
 
     trace!("config file = {}", filename.display());
 
+    let span = span.into();
     let contents = fs::read_to_string(filename)
         .map(|v| v.simple_spanned(span))
         .map_err(|err| ShellError::string(&format!("Couldn't read config file:\n{}", err)))?;
@@ -75,6 +83,34 @@ pub(crate) fn config(span: impl Into<Span>) -> Result<IndexMap<String, Tagged<Va
     }
 }
 
+pub(crate) fn config(span: impl Into<Span>) -> Result<IndexMap<String, Tagged<Value>>, ShellError> {
+    read(span, &None)
+}
+
+pub fn write(
+    config: &IndexMap<String, Tagged<Value>>,
+    at: &Option<PathBuf>,
+) -> Result<(), ShellError> {
+    let filename = &mut default_path()?;
+    let filename = match at {
+        None => filename,
+        Some(file) => {
+            filename.pop();
+            filename.push(file);
+            filename
+        }
+    };
+
+    let contents =
+        value_to_toml_value(&Value::Row(Dictionary::new(config.clone())).tagged_unknown())?;
+
+    let contents = toml::to_string(&contents)?;
+
+    fs::write(&filename, &contents)?;
+
+    Ok(())
+}
+
 // A simple implementation of `% touch path` (ignores existing files)
 fn touch(path: &Path) -> io::Result<()> {
     match OpenOptions::new().create(true).write(true).open(path) {

src/format/table.rs

@@ -16,6 +16,11 @@ pub struct TableView {
     entries: Vec<Vec<(String, &'static str)>>,
 }
 
+enum TableMode {
+    Light,
+    Normal,
+}
+
 impl TableView {
     fn merge_descriptors(values: &[Tagged<Value>]) -> Vec<String> {
         let mut ret = vec![];
@@ -198,15 +203,36 @@ impl RenderView for TableView {
         }
 
         let mut table = Table::new();
-        table.set_format(
-            FormatBuilder::new()
-                .column_separator('│')
-                .separator(LinePosition::Top, LineSeparator::new('━', '┯', ' ', ' '))
-                .separator(LinePosition::Title, LineSeparator::new('─', '┼', ' ', ' '))
-                .separator(LinePosition::Bottom, LineSeparator::new('━', '┷', ' ', ' '))
-                .padding(1, 1)
-                .build(),
-        );
+
+        let table_mode = crate::data::config::config(Span::unknown())?
+            .get("table_mode")
+            .map(|s| match s.as_string().unwrap().as_ref() {
+                "light" => TableMode::Light,
+                _ => TableMode::Normal,
+            })
+            .unwrap_or(TableMode::Normal);
+
+        match table_mode {
+            TableMode::Light => {
+                table.set_format(
+                    FormatBuilder::new()
+                        .separator(LinePosition::Title, LineSeparator::new('─', '─', ' ', ' '))
+                        .padding(1, 1)
+                        .build(),
+                );
+            }
+            _ => {
+                table.set_format(
+                    FormatBuilder::new()
+                        .column_separator('│')
+                        .separator(LinePosition::Top, LineSeparator::new('━', '┯', ' ', ' '))
+                        .separator(LinePosition::Title, LineSeparator::new('─', '┼', ' ', ' '))
+                        .separator(LinePosition::Bottom, LineSeparator::new('━', '┷', ' ', ' '))
+                        .padding(1, 1)
+                        .build(),
+                );
+            }
+        }
 
         let header: Vec<Cell> = self
             .headers

src/lib.rs

@@ -28,6 +28,7 @@ pub use crate::parser::parse::token_tree_builder::TokenTreeBuilder;
 pub use crate::plugin::{serve_plugin, Plugin};
 pub use crate::utils::{AbsoluteFile, AbsolutePath, RelativePath};
 pub use cli::cli;
+pub use data::config::{APP_INFO, config_path};
 pub use data::base::{Primitive, Value};
 pub use data::dict::{Dictionary, TaggedDictBuilder};
 pub use data::meta::{Span, Tag, Tagged, TaggedItem};

src/parser/deserializer.rs

@@ -328,7 +328,7 @@ impl<'de, 'a> de::Deserializer<'de> for &'a mut ConfigDeserializer<'de> {
         let type_name = std::any::type_name::<V::Value>();
         let tagged_val_name = std::any::type_name::<Tagged<Value>>();
 
-        if name == tagged_val_name {
+        if type_name == tagged_val_name {
             return visit::<Tagged<Value>, _>(value.val, name, fields, visitor);
         }
 
@@ -467,3 +467,27 @@ impl<'a, 'de: 'a> de::SeqAccess<'de> for StructDeserializer<'a, 'de> {
         return Some(self.fields.len());
     }
 }
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+    use std::any::type_name;
+    #[test]
+    fn check_type_name_properties() {
+        // This ensures that certain properties for the
+        // std::any::type_name function hold, that
+        // this code relies on. The type_name docs explicitly
+        // mention that the actual format of the output
+        // is unspecified and change is likely.
+        // This test makes sure that such change is detected
+        // by this test failing, and not things silently breaking.
+        // Specifically, we rely on this behaviour further above
+        // in the file to special case Tagged<Value> parsing.
+        let tuple = type_name::<()>();
+        let tagged_tuple = type_name::<Tagged<()>>();
+        let tagged_value = type_name::<Tagged<Value>>();
+        assert!(tuple != tagged_tuple);
+        assert!(tuple != tagged_value);
+        assert!(tagged_tuple != tagged_value);
+    }
+}

tests/command_config_test.rs

@@ -0,0 +1,120 @@
+mod helpers;
+
+use helpers as h;
+use helpers::{Playground, Stub::*};
+
+use std::path::PathBuf;
+
+#[test]
+fn has_default_configuration_file() {
+	let expected = "config.toml";
+
+    Playground::setup("config_test_1", |dirs, _| {
+
+        nu!(cwd: dirs.root(), "config");
+
+        assert_eq!(
+        	dirs.config_path().join(expected),
+        	nu::config_path().unwrap().join(expected)
+        );
+    })
+}
+
+#[test]
+fn shows_path_of_configuration_file() {
+	let expected = "config.toml";
+
+    Playground::setup("config_test_2", |dirs, _| {
+
+        let actual = nu!(
+            cwd: dirs.test(),
+            "config --path | echo $it"
+        );
+
+        assert_eq!(PathBuf::from(actual), dirs.config_path().join(expected));
+    });
+}
+
+#[test]
+fn use_different_configuration() {
+    Playground::setup("config_test_3", |dirs, sandbox| {
+        sandbox
+            .with_files(vec![FileWithContent(
+                "test_3.toml",
+                r#"
+                    caballero_1 = "Andrés N. Robalino"
+                    caballero_2 = "Jonathan Turner"
+                    caballero_3 = "Yehuda katz"
+                "#
+        )]);
+
+        let actual = nu!(
+            cwd: dirs.root(),
+            "config --get caballero_1 --load {}/test_3.toml | echo $it",
+            dirs.test()
+        );
+
+        assert_eq!(actual, "Andrés N. Robalino");
+    });
+
+	h::delete_file_at(nu::config_path().unwrap().join("test_3.toml"));
+}
+
+#[test]
+fn sets_configuration_value() {
+    Playground::setup("config_test_4", |dirs, sandbox| {
+        sandbox
+            .with_files(vec![FileWithContent(
+                "test_4.toml",
+                r#"
+                    caballero_1 = "Andrés N. Robalino"
+                    caballero_2 = "Jonathan Turner"
+                    caballero_3 = "Yehuda katz"
+                "#
+        )]);
+
+        nu!(
+            cwd: dirs.test(),
+            "config --load test_4.toml --set [caballero_4 jonas]"
+        );
+
+        let actual = nu!(
+        	cwd: dirs.root(),
+        	r#"open "{}/test_4.toml" | get caballero_4 | echo $it"#,
+        	dirs.config_path()
+        );
+
+        assert_eq!(actual, "jonas");
+    });
+
+	h::delete_file_at(nu::config_path().unwrap().join("test_4.toml"));
+}
+
+#[test]
+fn removes_configuration_value() {
+    Playground::setup("config_test_5", |dirs, sandbox| {
+        sandbox
+            .with_files(vec![FileWithContent(
+                "test_5.toml",
+                r#"
+                    caballeros = [1, 1, 1]
+                    podershell = [1, 1, 1]
+                "#
+        )]);
+
+        nu!(
+            cwd: dirs.test(),
+            "config --load test_5.toml --remove podershell"
+        );
+
+        let actual = nu_error!(
+        	cwd: dirs.root(),
+        	r#"open "{}/test_5.toml" | get podershell | echo $it"#,
+        	dirs.config_path()
+        );
+
+        assert!(actual.contains("table missing column"));
+    });
+
+	h::delete_file_at(nu::config_path().unwrap().join("test_5.toml"));
+}

tests/helpers/mod.rs

@@ -4,6 +4,7 @@ use glob::glob;
 pub use std::path::Path;
 pub use std::path::PathBuf;
 
+use app_dirs::{get_app_root, AppDataType};
 use getset::Getters;
 use std::io::Read;
 use tempfile::{tempdir, TempDir};
@@ -177,6 +178,10 @@ impl Dirs {
     pub fn formats(&self) -> PathBuf {
         PathBuf::from(self.fixtures.join("formats"))
     }
+
+    pub fn config_path(&self) -> PathBuf {
+        get_app_root(AppDataType::UserConfig, &nu::APP_INFO).unwrap()
+    }
 }
 
 impl Playground {
@@ -227,11 +232,10 @@ impl Playground {
                 playground_root.join(topic).display()
             ));
 
-        let root = 
-            dunce::canonicalize(playground_root).expect(&format!(
-                "Couldn't canonicalize tests root path {}",
-                playground_root.display()
-            ));
+        let root = dunce::canonicalize(playground_root).expect(&format!(
+            "Couldn't canonicalize tests root path {}",
+            playground_root.display()
+        ));
 
         let dirs = Dirs {
             root,
@@ -332,6 +336,14 @@ pub fn line_ending() -> String {
     }
 }
 
+pub fn delete_file_at(full_path: impl AsRef<Path>) {
+    let full_path = full_path.as_ref();
+
+    if full_path.exists() {
+        std::fs::remove_file(full_path).expect("can not delete file");
+    }
+}
+
 pub fn create_file_at(full_path: impl AsRef<Path>) -> Result<(), std::io::Error> {
     let full_path = full_path.as_ref();