Do not allow list-details in combination with -1

src/app.rs

@@ -441,7 +441,12 @@ pub fn build_app() -> App<'static, 'static> {
  .long("max-results")
  .takes_value(true)
  .value_name("count")
- .conflicts_with_all(&["exec", "exec-batch"])
+ // We currently do not support --max-results in combination with
+ // program execution because the results that come up in a --max-results
+ // search are non-deterministic. Users might think that they can run the
+ // same search with `--exec rm` attached and get a reliable removal of
+ // the files they saw in the previous search.
+ .conflicts_with_all(&["exec", "exec-batch", "list-details"])
  .hidden_short_help(true)
  .long_help("Limit the number of search results to 'count' and quit immediately."),
  )
@@ -450,7 +455,7 @@ pub fn build_app() -> App<'static, 'static> {
  .short("1")
  .hidden_short_help(true)
  .overrides_with("max-results")
- .conflicts_with_all(&["exec", "exec-batch"])
+ .conflicts_with_all(&["exec", "exec-batch", "list-details"])
  .long_help("Limit the search to a single result and quit immediately. \
  This is an alias for '--max-results=1'.")
  )

src/filesystem.rs

@@ -4,7 +4,7 @@ use std::ffi::OsStr;
 use std::fs;
 use std::io;
 #[cfg(any(unix, target_os = "redox"))]
-use std::os::unix::fs::{PermissionsExt, FileTypeExt};
+use std::os::unix::fs::{FileTypeExt, PermissionsExt};
 use std::path::{Path, PathBuf};
 
 use crate::walk;