Initial implementation of umv from uutils (#10822)

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# Description
Hi,
This closes #10446 , wherein we start implementing `mv` from `uutils`.
There are some stuff to iron out, particularly
* Decide on behavior from ignored tests 
* Wait for release/PRs to be approved on `uutils` side, but still can be
tested for now. See [PR
approved](https://github.com/uutils/coreutils/pull/5428), and
[pending](https://github.com/uutils/coreutils/pull/5429).
* `--progress` does not seem to work on `uutils mv` either and have not
checked whether certain `X` size has to be achieved in order for it to
appear, thus something to investigate as well, but thought it wasnt
important enough to not make the PR.

See [issue
comment](https://github.com/nushell/nushell/issues/10446#issuecomment-1764497988),
on the possible strategy to follow, mainly copy what we did with `ucp`.

I still left some comments on purpose particularly on tests, which of
course would be removed before something is decided here. :) @fdncred
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# Tests + Formatting

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- [X] `cargo fmt --all -- --check` to check standard code formatting
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crates/nu-command/src/default_context.rs

@@ -205,6 +205,7 @@ pub fn add_shell_command_context(mut engine_state: EngineState) -> EngineState {
             UMkdir,
             Mktemp,
             Mv,
+            UMv,
             Cp,
             UCp,
             Open,

crates/nu-command/src/filesystem/mod.rs

@@ -12,6 +12,7 @@ mod start;
 mod touch;
 mod ucp;
 mod umkdir;
+mod umv;
 mod util;
 mod watch;
 
@@ -29,4 +30,5 @@ pub use start::Start;
 pub use touch::Touch;
 pub use ucp::UCp;
 pub use umkdir::UMkdir;
+pub use umv::UMv;
 pub use watch::Watch;

crates/nu-command/src/filesystem/umv.rs

@@ -0,0 +1,174 @@
+use nu_cmd_base::arg_glob;
+use nu_engine::current_dir;
+use nu_engine::CallExt;
+use nu_glob::GlobResult;
+use nu_path::{expand_path_with, expand_to_real_path};
+use nu_protocol::ast::Call;
+use nu_protocol::engine::{Command, EngineState, Stack};
+use nu_protocol::{
+    Category, Example, PipelineData, ShellError, Signature, Spanned, SyntaxShape, Type,
+};
+use std::ffi::OsString;
+use std::path::PathBuf;
+use uu_mv::{BackupMode, UpdateMode};
+
+#[derive(Clone)]
+pub struct UMv;
+
+impl Command for UMv {
+    fn name(&self) -> &str {
+        "umv"
+    }
+
+    fn usage(&self) -> &str {
+        "Move files or directories."
+    }
+
+    fn examples(&self) -> Vec<Example> {
+        vec![
+            Example {
+                description: "Rename a file",
+                example: "umv before.txt after.txt",
+                result: None,
+            },
+            Example {
+                description: "Move a file into a directory",
+                example: "umv test.txt my/subdirectory",
+                result: None,
+            },
+            Example {
+                description: "Move many files into a directory",
+                example: "umv *.txt my/subdirectory",
+                result: None,
+            },
+        ]
+    }
+
+    fn search_terms(&self) -> Vec<&str> {
+        vec!["move"]
+    }
+
+    fn signature(&self) -> nu_protocol::Signature {
+        Signature::build("umv")
+            .input_output_types(vec![(Type::Nothing, Type::Nothing)])
+            .switch("force", "do not prompt before overwriting", Some('f'))
+            .switch("verbose", "explain what is being done.", Some('v'))
+            .switch("progress", "display a progress bar", Some('p'))
+            .switch("interactive", "prompt before overwriting", Some('i'))
+            .switch("no-clobber", "do not overwrite an existing file", Some('n'))
+            .rest(
+                "paths",
+                SyntaxShape::Filepath,
+                "Rename SRC to DST, or move SRC to DIR.",
+            )
+            .allow_variants_without_examples(true)
+            .category(Category::FileSystem)
+    }
+
+    fn run(
+        &self,
+        engine_state: &EngineState,
+        stack: &mut Stack,
+        call: &Call,
+        _input: PipelineData,
+    ) -> Result<PipelineData, ShellError> {
+        let interactive = call.has_flag(engine_state, stack, "interactive")?;
+        let no_clobber = call.has_flag(engine_state, stack, "no-clobber")?;
+        let progress = call.has_flag(engine_state, stack, "progress")?;
+        let verbose = call.has_flag(engine_state, stack, "verbose")?;
+        let overwrite = if no_clobber {
+            uu_mv::OverwriteMode::NoClobber
+        } else if interactive {
+            uu_mv::OverwriteMode::Interactive
+        } else {
+            uu_mv::OverwriteMode::Force
+        };
+
+        let paths: Vec<Spanned<String>> = call.rest(engine_state, stack, 0)?;
+        let paths: Vec<Spanned<String>> = paths
+            .into_iter()
+            .map(|p| Spanned {
+                item: nu_utils::strip_ansi_string_unlikely(p.item),
+                span: p.span,
+            })
+            .collect();
+        if paths.is_empty() {
+            return Err(ShellError::GenericError {
+                error: "Missing file operand".into(),
+                msg: "Missing file operand".into(),
+                span: Some(call.head),
+                help: Some("Please provide source and destination paths".into()),
+                inner: Vec::new(),
+            });
+        }
+        if paths.len() == 1 {
+            return Err(ShellError::GenericError {
+                error: "Missing destination path".into(),
+                msg: format!("Missing destination path operand after {}", paths[0].item),
+                span: Some(paths[0].span),
+                help: None,
+                inner: Vec::new(),
+            });
+        }
+
+        // Do not glob target
+        let sources = &paths[..paths.len() - 1];
+        let cwd = current_dir(engine_state, stack)?;
+        let mut files: Vec<PathBuf> = Vec::new();
+        for p in sources {
+            let exp_files = arg_glob(p, &cwd)?.collect::<Vec<GlobResult>>();
+            if exp_files.is_empty() {
+                return Err(ShellError::FileNotFound { span: p.span });
+            };
+            let mut app_vals: Vec<PathBuf> = Vec::new();
+            for v in exp_files {
+                match v {
+                    Ok(path) => {
+                        app_vals.push(path);
+                    }
+                    Err(e) => {
+                        return Err(ShellError::ErrorExpandingGlob {
+                            msg: format!("error {} in path {}", e.error(), e.path().display()),
+                            span: p.span,
+                        });
+                    }
+                }
+            }
+            files.append(&mut app_vals);
+        }
+        // Add back the target after globbing
+        let spanned_target = paths.last().ok_or(ShellError::NushellFailedSpanned {
+            msg: "Missing file operand".into(),
+            label: "Missing file operand".into(),
+            span: call.head,
+        })?;
+        let expanded_target = expand_to_real_path(spanned_target.item.clone());
+        let abs_target_path = expand_path_with(expanded_target, &cwd);
+        files.push(abs_target_path.clone());
+        let files = files
+            .into_iter()
+            .map(|p| p.into_os_string())
+            .collect::<Vec<OsString>>();
+        let options = uu_mv::Options {
+            overwrite,
+            progress_bar: progress,
+            verbose,
+            suffix: String::from("~"),
+            backup: BackupMode::NoBackup,
+            update: UpdateMode::ReplaceAll,
+            target_dir: None,
+            no_target_dir: false,
+            strip_slashes: false,
+        };
+        if let Err(error) = uu_mv::mv(&files, &options) {
+            return Err(ShellError::GenericError {
+                error: format!("{}", error),
+                msg: format!("{}", error),
+                span: None,
+                help: None,
+                inner: Vec::new(),
+            });
+        }
+        Ok(PipelineData::empty())
+    }
+}