feat(task): add --name-only flag to mise tasks ls

docs/cli/tasks.md

@@ -40,6 +40,10 @@ By default, only tasks from the current directory hierarchy are loaded.
 
 Show hidden tasks
 
+### `--name-only`
+
+Only show task names, one per line. Useful for piping to fzf and similar tools.
+
 ### `--no-header`
 
 Do not print table header

docs/cli/tasks/ls.md

@@ -39,6 +39,10 @@ By default, only tasks from the current directory hierarchy are loaded.
 
 Show hidden tasks
 
+### `--name-only`
+
+Only show task names, one per line. Useful for piping to fzf and similar tools.
+
 ### `--no-header`
 
 Do not print table header

e2e/tasks/test_task_ls_name_only

@@ -0,0 +1,51 @@
+#!/usr/bin/env bash
+
+cat <<EOF >mise.toml
+[tasks.build]
+description = "build the project"
+run = 'echo build'
+[tasks.lint]
+description = "lint the code"
+run = 'echo lint'
+[tasks.test]
+description = "run the tests"
+run = 'echo test'
+EOF
+
+mkdir -p .mise/tasks
+cat <<'EOF' >.mise/tasks/deploy
+#!/usr/bin/env bash
+# mise description="deploy the app"
+echo deploy
+EOF
+chmod +x .mise/tasks/deploy
+
+assert "mise tasks ls --name-only" "build
+deploy
+lint
+test"
+
+# --no-header is harmless and the output is identical
+assert "mise tasks ls --name-only --no-header" "build
+deploy
+lint
+test"
+
+# Composes with --sort/--sort-order
+assert "mise tasks ls --name-only --sort name --sort-order desc" "test
+lint
+deploy
+build"
+
+# Local/global filtering still applies
+echo "tasks.myglobal = { run = 'echo myglobal' }" >~/.config/mise/config.toml
+assert "mise tasks ls --name-only --global" "myglobal"
+assert "mise tasks ls --name-only --local" "build
+deploy
+lint
+test"
+
+# Conflicts with other output formats
+assert_fail "mise tasks ls --name-only --json"
+assert_fail "mise tasks ls --name-only -x"
+assert_fail "mise tasks ls --name-only --usage"

man/man1/mise.1

@@ -2648,6 +2648,9 @@ Display tasks for usage completion
 \fB\-\-hidden\fR
 Show hidden tasks
 .TP
+\fB\-\-name\-only\fR
+Only show task names, one per line. Useful for piping to fzf and similar tools.
+.TP
 \fB\-\-no\-header\fR
 Do not print table header
 .TP
@@ -2811,6 +2814,9 @@ Display tasks for usage completion
 \fB\-\-hidden\fR
 Show hidden tasks
 .TP
+\fB\-\-name\-only\fR
+Only show task names, one per line. Useful for piping to fzf and similar tools.
+.TP
 \fB\-\-no\-header\fR
 Do not print table header
 .TP

mise.usage.kdl

@@ -1069,6 +1069,7 @@ cmd tasks help="Manage tasks" {
     flag --all help="Load all tasks from the entire monorepo, including sibling directories.\nBy default, only tasks from the current directory hierarchy are loaded." global=#true
     flag --complete help="Display tasks for usage completion" hide=#true
     flag --hidden help="Show hidden tasks" global=#true
+    flag --name-only help="Only show task names, one per line. Useful for piping to fzf and similar tools." global=#true
     flag --no-header help="Do not print table header" global=#true
     flag --sort help="Sort by column. Default is name." global=#true {
         arg <COLUMN> {
@@ -1150,6 +1151,7 @@ cmd tasks help="Manage tasks" {
         flag --all help="Load all tasks from the entire monorepo, including sibling directories.\nBy default, only tasks from the current directory hierarchy are loaded." global=#true
         flag --complete help="Display tasks for usage completion" hide=#true
         flag --hidden help="Show hidden tasks" global=#true
+        flag --name-only help="Only show task names, one per line. Useful for piping to fzf and similar tools." global=#true
         flag --no-header help="Do not print table header" global=#true
         flag --sort help="Sort by column. Default is name." global=#true {
             arg <COLUMN> {

src/cli/tasks/ls.rs

@@ -63,6 +63,15 @@ pub struct TasksLs {
     #[clap(long, global = true, verbatim_doc_comment)]
     pub hidden: bool,
 
+    /// Only show task names, one per line. Useful for piping to fzf and similar tools.
+    #[clap(
+        long,
+        global = true,
+        verbatim_doc_comment,
+        conflicts_with_all = ["json", "extended", "usage"]
+    )]
+    pub name_only: bool,
+
     /// Do not print table header
     #[clap(long, alias = "no-headers", global = true, verbatim_doc_comment)]
     pub no_header: bool,
@@ -144,12 +153,21 @@ impl TasksLs {
             self.display_usage(&config, tasks).await?;
         } else if self.json {
             self.display_json(&config, tasks).await?;
+        } else if self.name_only {
+            self.display_name_only(tasks)?;
         } else {
             self.display(tasks)?;
         }
         Ok(())
     }
 
+    fn display_name_only(&self, tasks: Vec<Task>) -> Result<()> {
+        for t in tasks {
+            calm_io::stdoutln!("{}", t.display_name)?;
+        }
+        Ok(())
+    }
+
     fn complete(&self, tasks: Vec<Task>) -> Result<()> {
         for t in tasks {
             let name = t.display_name.replace(":", "\\:");

xtasks/fig/src/mise.ts

@@ -3306,6 +3306,12 @@ const completionSpec: Fig.Spec = {
               description: "Show hidden tasks",
               isRepeatable: false,
             },
+            {
+              name: "--name-only",
+              description:
+                "Only show task names, one per line. Useful for piping to fzf and similar tools.",
+              isRepeatable: false,
+            },
             {
               name: "--no-header",
               description: "Do not print table header",
@@ -3599,6 +3605,12 @@ const completionSpec: Fig.Spec = {
           description: "Show hidden tasks",
           isRepeatable: false,
         },
+        {
+          name: "--name-only",
+          description:
+            "Only show task names, one per line. Useful for piping to fzf and similar tools.",
+          isRepeatable: false,
+        },
         {
           name: "--no-header",
           description: "Do not print table header",