diff --git a/README.md b/README.md
new file mode 100644
index 0000000..a1ab5da
--- /dev/null
+++ b/README.md
@@ -0,0 +1 @@
+fish `scrap-default-tool-paths` to update paths and completions (persists after a restart)
diff --git a/home/.config/fish/config.fish b/home/.config/fish/config.fish
index 837d038..8cc593e 100644
--- a/home/.config/fish/config.fish
+++ b/home/.config/fish/config.fish
@@ -32,18 +32,18 @@ if status is-interactive
 		zoxide init fish | source
 	end
 end
-if command -v poetry > /dev/null
-	poetry completions fish | source
-end
-if test -f ~/.ghcup/env
-	bass source ~/.ghcup/env
-end
-if test -x ~/.rbenv/bin/rbenv
-	~/.rbenv/bin/rbenv init - fish | source
-end
-if test -f ~/.opam/opam-init/init.fish
-	source ~/.opam/opam-init/init.fish
-end
+#if test -f ~/.ghcup/env
+#	bass source ~/.ghcup/env
+#end
+#if test -x ~/.rbenv/bin/rbenv
+#	~/.rbenv/bin/rbenv init - fish | source
+#end
+#if test -f ~/.opam/opam-init/init.fish
+#	source ~/.opam/opam-init/init.fish
+#end
 alias clear="printf '\033[2J\033[3J\033[1;1H'"
-export PATH="$PATH:$HOME/.bin:$HOME/.local/bin"
+export PATH="$PATH:$KP2PATH"
+if set -uq KP2COMPLETIONS
+	eval "$KP2COMPLETIONS"
+end
 bass source ~/.bashrc
diff --git a/home/.config/fish/functions/scrap-default-tool-paths.fish b/home/.config/fish/functions/scrap-default-tool-paths.fish
new file mode 100644
index 0000000..2dbe2e5
--- /dev/null
+++ b/home/.config/fish/functions/scrap-default-tool-paths.fish
@@ -0,0 +1,19 @@
+function 'scrap-default-tool-paths'
+	set -le NP
+	for dir in "$HOME/.cargo/bin" "$HOME/.local/bin" "$HOME/.bin" "$HOME/.ghcup/bin" "$HOME/.cabal/bin"
+		if test -d "$dir"
+			echo "$dir exists"
+			set -a NP "$dir"
+		end
+	end
+	echo "found path is $NP"
+	set -U KP2PATH "$NP"
+
+	set -l IFS ''
+	set -le COMPLETIONS
+	if command -v poetry > /dev/null
+		set -l out (poetry completions fish)
+		set COMPLETIONS "$COMPLETIONS"\n"$out"
+	end
+	set -U KP2COMPLETIONS "$COMPLETIONS"
+end