Rename mail commands to job commands

crates/nu-command/src/default_context.rs

@@ -452,11 +452,10 @@ pub fn add_shell_command_context(mut engine_state: EngineState) -> EngineState {
             JobList,
             JobKill,
             JobId,
+            JobSend,
+            JobRecv,
+            JobClearMail,
             Job,
-            MailSend,
-            MailRecv,
-            MailClear,
-            Mail,
         };
 
         #[cfg(all(unix, feature = "os"))]

crates/nu-command/src/experimental/job_clear_mail.rs

@@ -1,15 +1,15 @@
 use nu_engine::command_prelude::*;
 
 #[derive(Clone)]
-pub struct MailClear;
+pub struct JobClearMail;
 
-impl Command for MailClear {
+impl Command for JobClearMail {
     fn name(&self) -> &str {
-        "mail clear"
+        "job clear-mail"
     }
 
     fn description(&self) -> &str {
-        "Clear mailbox."
+        "Clear this job's mailbox."
     }
 
     fn extra_description(&self) -> &str {
@@ -20,7 +20,7 @@ If a message is received while this command is executing, it may also be discard
     }
 
     fn signature(&self) -> nu_protocol::Signature {
-        Signature::build("mail clear")
+        Signature::build("job clear-mail")
             .category(Category::Experimental)
             .input_output_types(vec![(Type::Nothing, Type::Nothing)])
             .allow_variants_without_examples(true)
@@ -50,8 +50,8 @@ If a message is received while this command is executing, it may also be discard
 
     fn examples(&self) -> Vec<Example> {
         vec![Example {
-            example: "let id = job spawn { mail recv | save sent.txt }; 'hi' | mail send $id",
-            description: "Send a message to a newly spawned job",
+            example: "job clear-mail",
+            description: "Clear the mailbox of the current job.",
             result: None,
         }]
     }

crates/nu-command/src/experimental/job_recv.rs

@@ -4,13 +4,13 @@ use nu_engine::command_prelude::*;
 use nu_protocol::engine::Tag;
 
 #[derive(Clone)]
-pub struct MailRecv;
+pub struct JobRecv;
 
 const CTRL_C_CHECK_INTERVAL: Duration = Duration::from_millis(100);
 
-impl Command for MailRecv {
+impl Command for JobRecv {
     fn name(&self) -> &str {
-        "mail recv"
+        "job recv"
     }
 
     fn description(&self) -> &str {
@@ -34,7 +34,7 @@ in no particular order, regardless of the specified timeout parameter.
     }
 
     fn signature(&self) -> nu_protocol::Signature {
-        Signature::build("mail recv")
+        Signature::build("job recv")
             .category(Category::Experimental)
             .named("tag", SyntaxShape::Int, "A tag for the message", None)
             .named(
@@ -111,7 +111,7 @@ in no particular order, regardless of the specified timeout parameter.
 
     fn examples(&self) -> Vec<Example> {
         vec![Example {
-            example: "mail recv",
+            example: "job recv",
             description: "Block the current thread while no message arrives",
             result: None,
         }]

crates/nu-command/src/experimental/job_send.rs

@@ -2,11 +2,11 @@ use nu_engine::command_prelude::*;
 use nu_protocol::{engine::Tag, JobId};
 
 #[derive(Clone)]
-pub struct MailSend;
+pub struct JobSend;
 
-impl Command for MailSend {
+impl Command for JobSend {
     fn name(&self) -> &str {
-        "mail send"
+        "job send"
     }
 
     fn description(&self) -> &str {
@@ -16,7 +16,7 @@ impl Command for MailSend {
     fn extra_description(&self) -> &str {
         r#"
 This command sends a message to a background job, which can then read sent messages
-in a first-in-first-out fashion with `mail recv`. When it does so, it may additionally specify a numeric filter tag,
+in a first-in-first-out fashion with `job recv`. When it does so, it may additionally specify a numeric filter tag,
 in which case it will only read messages sent with the exact same filter tag.
 
 A message can be any nushell value, and streams are always collected before being sent.
@@ -26,7 +26,7 @@ This command never blocks.
     }
 
     fn signature(&self) -> nu_protocol::Signature {
-        Signature::build("mail send")
+        Signature::build("job send")
             .category(Category::Experimental)
             .required(
                 "id",
@@ -105,7 +105,7 @@ This command never blocks.
 
     fn examples(&self) -> Vec<Example> {
         vec![Example {
-            example: "let id = job spawn { mail recv | save sent.txt }; 'hi' | mail send $id",
+            example: "let id = job spawn { job recv | save sent.txt }; 'hi' | job send $id",
             description: "Send a message to a newly spawned job",
             result: None,
         }]

crates/nu-command/src/experimental/job_spawn.rs

@@ -8,8 +8,8 @@ use std::{
 
 use nu_engine::{command_prelude::*, ClosureEvalOnce};
 use nu_protocol::{
-    engine::{Closure, CurrentJob, Redirection, Job, Mailbox, ThreadJob},
-     report_shell_error, OutDest, Signals,
+    engine::{Closure, CurrentJob, Job, Mailbox, Redirection, ThreadJob},
+    report_shell_error, OutDest, Signals,
 };
 
 #[derive(Clone)]

crates/nu-command/src/experimental/mail.rs

@@ -1,34 +0,0 @@
-use nu_engine::{command_prelude::*, get_full_help};
-
-#[derive(Clone)]
-pub struct Mail;
-
-impl Command for Mail {
-    fn name(&self) -> &str {
-        "mail"
-    }
-
-    fn signature(&self) -> Signature {
-        Signature::build("mail")
-            .category(Category::Strings)
-            .input_output_types(vec![(Type::Nothing, Type::String)])
-    }
-
-    fn description(&self) -> &str {
-        "Various commands for job communication."
-    }
-
-    fn extra_description(&self) -> &str {
-        "You must use one of the following subcommands. Using this command as-is will only produce this help message."
-    }
-
-    fn run(
-        &self,
-        engine_state: &EngineState,
-        stack: &mut Stack,
-        call: &Call,
-        _input: PipelineData,
-    ) -> Result<PipelineData, ShellError> {
-        Ok(Value::string(get_full_help(self, engine_state, stack), call.head).into_pipeline_data())
-    }
-}

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

@@ -1,15 +1,13 @@
 mod is_admin;
 mod job;
+mod job_clear_mail;
 mod job_id;
 mod job_kill;
 mod job_list;
+mod job_recv;
+mod job_send;
 mod job_spawn;
 
-mod mail;
-mod mail_clear;
-mod mail_recv;
-mod mail_send;
-
 #[cfg(all(unix, feature = "os"))]
 mod job_unfreeze;
 
@@ -20,10 +18,9 @@ pub use job_kill::JobKill;
 pub use job_list::JobList;
 pub use job_spawn::JobSpawn;
 
-pub use mail::Mail;
-pub use mail_clear::MailClear;
-pub use mail_recv::MailRecv;
-pub use mail_send::MailSend;
+pub use job_clear_mail::JobClearMail;
+pub use job_recv::JobRecv;
+pub use job_send::JobSend;
 
 #[cfg(all(unix, feature = "os"))]
 pub use job_unfreeze::JobUnfreeze;