fix ui tests for MacOS

Cargo.toml

@@ -49,6 +49,7 @@ insta = "1.31.0"
 parse-display = "0.8.2"
 proptest = "1.2.0"
 rand = { version = "0.8.5", default-features = false, features = ["small_rng", "std"] }
+regex = { version = "1.9.5", default-features = false, features = ["unicode-perl"] }
 test-strategy = "0.3.1"
 
 [features]

tests/ui.rs

@@ -9,6 +9,7 @@ mod utils;
 use std::{io, path::Path, process::Output};
 
 use insta::assert_display_snapshot as ui;
+use regex::Regex;
 
 use crate::utils::run_in;
 
@@ -37,9 +38,16 @@ fn run_ouch(argv: &str, dir: &Path) -> String {
 
 // remove random tempdir paths from snapshots to make them deterministic
 fn redact_paths(text: &str, path: &Path) -> String {
-    let path = format!("{}/", path.display());
-
-    text.replace(&path, "<FOLDER>/")
+    let path = path.display();
+    let redacted = "<FOLDER>";
+
+    if cfg!(target_os = "macos") {
+        let pattern = &format!(r"(/private[\w\S]+?/)?{path}");
+        let pattern = Regex::new(pattern).unwrap();
+        pattern.replace_all(text, redacted).to_string()
+    } else {
+        text.replace(&path.to_string(), redacted)
+    }
 }
 
 fn output_to_string(output: Output) -> String {