Chooser: Pass justfile path to preview command for default chooser

completions/just.elvish

@@ -51,7 +51,7 @@ edit:completion:arg-completer[just] = [@words]{
             cand -v 'Use verbose output'
             cand --verbose 'Use verbose output'
             cand --changelog 'Print changelog'
-            cand --choose 'Select one or more recipes to run using a binary. If `--chooser` is not passed the chooser defaults to the value of $JUST_CHOOSER, falling back to `fzf`'
+            cand --choose 'Select one or more recipes to run using a binary chooser. If `--chooser` is not passed the chooser defaults to the value of $JUST_CHOOSER, falling back to `fzf`'
             cand --dump 'Print justfile'
             cand -e 'Edit justfile with editor given by $VISUAL or $EDITOR, falling back to `vim`'
             cand --edit 'Edit justfile with editor given by $VISUAL or $EDITOR, falling back to `vim`'

completions/just.fish

@@ -64,7 +64,7 @@ complete -c just -n "__fish_use_subcommand" -s u -l unsorted -d 'Return list and
 complete -c just -n "__fish_use_subcommand" -l unstable -d 'Enable unstable features'
 complete -c just -n "__fish_use_subcommand" -s v -l verbose -d 'Use verbose output'
 complete -c just -n "__fish_use_subcommand" -l changelog -d 'Print changelog'
-complete -c just -n "__fish_use_subcommand" -l choose -d 'Select one or more recipes to run using a binary. If `--chooser` is not passed the chooser defaults to the value of $JUST_CHOOSER, falling back to `fzf`'
+complete -c just -n "__fish_use_subcommand" -l choose -d 'Select one or more recipes to run using a binary chooser. If `--chooser` is not passed the chooser defaults to the value of $JUST_CHOOSER, falling back to `fzf`'
 complete -c just -n "__fish_use_subcommand" -l dump -d 'Print justfile'
 complete -c just -n "__fish_use_subcommand" -s e -l edit -d 'Edit justfile with editor given by $VISUAL or $EDITOR, falling back to `vim`'
 complete -c just -n "__fish_use_subcommand" -l evaluate -d 'Evaluate and print all variables. If a variable name is given as an argument, only print that variable\'s value.'

completions/just.powershell

@@ -56,7 +56,7 @@ Register-ArgumentCompleter -Native -CommandName 'just' -ScriptBlock {
             [CompletionResult]::new('-v', 'v', [CompletionResultType]::ParameterName, 'Use verbose output')
             [CompletionResult]::new('--verbose', 'verbose', [CompletionResultType]::ParameterName, 'Use verbose output')
             [CompletionResult]::new('--changelog', 'changelog', [CompletionResultType]::ParameterName, 'Print changelog')
-            [CompletionResult]::new('--choose', 'choose', [CompletionResultType]::ParameterName, 'Select one or more recipes to run using a binary. If `--chooser` is not passed the chooser defaults to the value of $JUST_CHOOSER, falling back to `fzf`')
+            [CompletionResult]::new('--choose', 'choose', [CompletionResultType]::ParameterName, 'Select one or more recipes to run using a binary chooser. If `--chooser` is not passed the chooser defaults to the value of $JUST_CHOOSER, falling back to `fzf`')
             [CompletionResult]::new('--dump', 'dump', [CompletionResultType]::ParameterName, 'Print justfile')
             [CompletionResult]::new('-e', 'e', [CompletionResultType]::ParameterName, 'Edit justfile with editor given by $VISUAL or $EDITOR, falling back to `vim`')
             [CompletionResult]::new('--edit', 'edit', [CompletionResultType]::ParameterName, 'Edit justfile with editor given by $VISUAL or $EDITOR, falling back to `vim`')

completions/just.zsh

@@ -52,7 +52,7 @@ _just() {
 '*-v[Use verbose output]' \
 '*--verbose[Use verbose output]' \
 '--changelog[Print changelog]' \
-'--choose[Select one or more recipes to run using a binary. If `--chooser` is not passed the chooser defaults to the value of $JUST_CHOOSER, falling back to `fzf`]' \
+'--choose[Select one or more recipes to run using a binary chooser. If `--chooser` is not passed the chooser defaults to the value of $JUST_CHOOSER, falling back to `fzf`]' \
 '--dump[Print justfile]' \
 '-e[Edit justfile with editor given by $VISUAL or $EDITOR, falling back to `vim`]' \
 '--edit[Edit justfile with editor given by $VISUAL or $EDITOR, falling back to `vim`]' \

src/config.rs

@@ -3,13 +3,19 @@ use {
   clap::{App, AppSettings, Arg, ArgGroup, ArgMatches, ArgSettings},
 };
 
-// These three strings should be kept in sync:
-pub(crate) const CHOOSER_DEFAULT: &str =
-  "fzf --multi --preview 'just --unstable --color always --show {}'";
 pub(crate) const CHOOSER_ENVIRONMENT_KEY: &str = "JUST_CHOOSER";
-pub(crate) const CHOOSE_HELP: &str = "Select one or more recipes to run using a binary. If \
-                                      `--chooser` is not passed the chooser defaults to the value \
-                                      of $JUST_CHOOSER, falling back to `fzf`";
+
+pub(crate) const CHOOSE_HELP: &str = "Select one or more recipes to run using a binary chooser. \
+                                      If `--chooser` is not passed the chooser defaults to the \
+                                      value of $JUST_CHOOSER, falling back to `fzf`";
+
+pub(crate) fn chooser_default(justfile: &Path) -> OsString {
+  let mut chooser = OsString::new();
+  chooser.push("fzf --multi --preview 'just --unstable --color always --justfile \"");
+  chooser.push(justfile);
+  chooser.push("\" --show {}'");
+  chooser
+}
 
 #[derive(Debug, PartialEq)]
 #[allow(clippy::struct_excessive_bools)]

src/subcommand.rs

@@ -216,7 +216,7 @@ impl Subcommand {
     let chooser = chooser
       .map(OsString::from)
       .or_else(|| env::var_os(config::CHOOSER_ENVIRONMENT_KEY))
-      .unwrap_or_else(|| OsString::from(config::CHOOSER_DEFAULT));
+      .unwrap_or_else(|| config::chooser_default(&search.justfile));
 
     let result = justfile
       .settings

tests/choose.rs

@@ -152,7 +152,7 @@ fn invoke_error_function() {
       ",
     )
     .stderr_regex(
-      r"error: Chooser `/ -cu fzf --multi --preview 'just --unstable --color always --show \{\}'` invocation failed: .*\n",
+      r#"error: Chooser `/ -cu fzf --multi --preview 'just --unstable --color always --justfile ".*justfile" --show \{\}'` invocation failed: .*\n"#,
     )
     .status(EXIT_FAILURE)
     .shell(false)