nu: Fix completer for nu 0.106

tree/.config/nushell/config.nu.tpl

@@ -7,22 +7,18 @@
 # And here is the theme collection
 # https://github.com/nushell/nu_scripts/tree/main/themes
 
-
-# Use fish for external completion
 let fish_completer = {|spans|
-    # if the current command is an alias, get it's expansion
-    let expanded_alias = (scope aliases | where name == $spans.0 | get -i 0 | get -i expansion)
-
-    # overwrite
-    let spans = (if $expanded_alias != null  {
-        # put the first word of the expanded alias first in the span
-        $spans | skip 1 | prepend ($expanded_alias | split row " " | take 1)
-    } else { $spans })
-
-
-    fish --command $'complete "--do-complete=($spans | str join " ")"'
-    | $"value(char tab)description(char newline)" + $in
-    | from tsv --flexible --no-infer
+    fish --command $"complete '--do-complete=($spans | str replace --all "'" "\\'" | str join ' ')'"
+    | from tsv --flexible --noheaders --no-infer
+    | rename value description
+    | update value {|row|
+      let value = $row.value
+      let need_quote = ['\' ',' '[' ']' '(' ')' ' ' '\t' "'" '"' "`"] | any {$in in $value}
+      if ($need_quote and ($value | path exists)) {
+        let expanded_path = if ($value starts-with ~) {$value | path expand --no-symlink} else {$value}
+        $'"($expanded_path | str replace --all "\"" "\\\"")"'
+      } else {$value}
+    }
 }
 
 source theme.nu