Make fish completions consistent with Bash

CHANGELOG.md

@@ -12,6 +12,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 ### Changed
 
 - fzf: better default options.
+- fish: interactive completions are only triggered when the last argument is empty.
 
 ### Fixed
 

src/fzf.rs

@@ -1,4 +1,5 @@
 use std::io::{self, Read};
+use std::mem;
 use std::process::{Child, ChildStdin, Command, Stdio};
 
 use anyhow::{bail, Context, Result};
@@ -50,8 +51,11 @@ impl Fzf {
     }
 
     pub fn select(mut self) -> Result<String> {
+        // Drop stdin to prevent deadlock.
+        mem::drop(self.child.stdin.take());
+
+        let mut stdout = self.child.stdout.take().unwrap();
         let mut output = String::new();
-        let stdout = self.child.stdout.as_mut().unwrap();
         stdout.read_to_string(&mut output).context("failed to read from fzf")?;
 
         let status = self.child.wait().context("wait failed on fzf")?;

templates/fish.txt

@@ -78,10 +78,10 @@ function __zoxide_z_complete
     set -l curr_tokens (commandline -cop)
 
     if test (count $tokens) -le 2 -a (count $curr_tokens) -eq 1
-        # If there is only one argument, use `cd` completions.
+        # If there are < 2 arguments, use `cd` completions.
         __fish_complete_directories "$tokens[2]" ''
-    else
+    else if test (count $tokens) -eq (count $curr_tokens)
-        # Otherwise, use interactive selection.
+        # If the last argument is empty, use interactive selection.
         set -l query $tokens[2..-1]
         set -l result (zoxide query -i -- $query)
         and commandline -p "$tokens[1] "(string escape $result)