home-environments: radio: Make @git-root fish-abbreviation more general

files/fish/functions/fish_custom_functions.fish

@@ -2,6 +2,11 @@ function code-projects
     string replace '@' '~/projects/code/' $argv[1]
 end
 
+function git-root
+    set -l result (git root 2>/dev/null) && \
+    echo $result || echo ""
+end
+
 function bookmarks
     $EDITOR (string replace ':' '~/resources/bookmarks/' $argv[1])
 end
@@ -36,7 +41,7 @@ end
 
 function bang-bang-k
     set -l k (string replace '!!:' '' $argv[1])
-    set -l arr $history[1]
+    set -l arr (string replace -ra ' ' '\n' $history[1])
     echo $arr[$k]
 end
 

radio.scm

@@ -284,7 +284,10 @@
                             (expansion "~/resources/bookmarks"))
                            (abbreviation
                             (name "@git-root")
-                            (expansion "cd (git root)"))
+                            (pattern "@git-root")
+                            (position 'anywhere)
+                            (expansion
+                             (fish-function "git-root")))
 
                            #|Quick edit|#
                            (abbreviation