[sed]: regression fix

Author: Wandalen

text/sed.rs

@@ -1834,7 +1834,11 @@ fn execute_replace(
     }) {
         if replace && wfile.components().next().is_some() {
             let mut wfile = wfile.clone();
-            if (cfg!(test) || cfg!(debug_assertions)) && !wfile.exists() {
+            if !(wfile.is_absolute()
+                || wfile.starts_with("./")
+                || wfile.starts_with("../")
+                || wfile.exists())
+            {
                 wfile = get_tmp_path(wfile);
             }
 
@@ -2231,7 +2235,11 @@ impl Sed {
 
     fn execute_w(&mut self, wfile: PathBuf) -> Result<(), SedError> {
         let mut wfile = wfile.clone();
-        if (cfg!(test) || cfg!(debug_assertions)) && !wfile.exists() {
+        if !(wfile.is_absolute()
+            || wfile.starts_with("./")
+            || wfile.starts_with("../")
+            || wfile.exists())
+        {
             wfile = get_tmp_path(wfile);
         }
 

text/tests/sed/mod.rs

@@ -1825,17 +1825,16 @@ mod tests {
     fn test_w() {
         let test_data = [
             // correct
-            ("w ./newfile", "abc\ncdf\n", "abc\ncdf\n", ""),
             ("w atyfv", "abc\ncdf\n", "abc\ncdf\n", ""),
             ("w./tests/sed/assets/r", "", "", ""),
-            ("w./newfile", "a\n", "a\n", ""),
+            ("w newfile", "a\n", "a\n", ""),
             ("w ; h", "abc\ncdf\n", "abc\ncdf\n", ""),
             // wrong
             (
                 "w ./dir/newfile", 
                 "abc\ncdf\n", 
                 "", 
-                "sed: read stdin: can't find '../target/tmp/./dir/newfile': no such file or directory (os error 2)\n",
+                "sed: read stdin: can't find './dir/newfile': no such file or directory (os error 2)\n",
             ),
             (
                 "w./tests/s\x04ed/assets/abc",