diff --git a/share/functions/__fish_parent_directories.fish b/share/functions/__fish_parent_directories.fish
new file mode 100644
index 000000000..9cdacdcc7
--- /dev/null
+++ b/share/functions/__fish_parent_directories.fish
@@ -0,0 +1,25 @@
+# Generates a list of parent directories for a given path
+# i.e. /a/b/c/d -> [/a/b/c/, /a/b/, /a/, and /a]
+function __fish_parent_directories
+	if test (count $argv) -ne 1
+		# for use in completions, so don't spew error messages
+		return 1
+	end
+
+	set -l splits (string split '/' $argv[1])
+	set -l parents
+
+	for split in $splits
+		if test (string length "$split") -eq 0
+			continue
+		end
+
+		set parents "$parents[1]/$split" $parents
+	end
+
+	for parent in $parents
+		echo $parent
+	end
+
+	return 0
+end