diff --git a/dot_gitconfig.tmpl b/dot_gitconfig.tmpl
index 2451b62..f755e7b 100644
--- a/dot_gitconfig.tmpl
+++ b/dot_gitconfig.tmpl
@@ -7,7 +7,7 @@
     pager = sh -c 'command -v diff-so-fancy >/dev/null && exec diff-so-fancy || less --tabs=4 -RX'
     pager = less
 	autocrlf = input
-	attributesFile = /home/dbauer/.gitattributes
+	attributesFile = {{ .chezmoi.homeDir }}/.gitattributes
 [alias]
 	co = commit
 	ch = checkout
@@ -56,3 +56,16 @@
     program = /usr/bin/gpg
 [include]
     path = ~/.gitconfig.local
+[diff "jupyternotebook"]
+	command = git-nbdiffdriver diff
+[merge "jupyternotebook"]
+	driver = git-nbmergedriver merge %O %A %B %L %P
+	name = jupyter notebook merge driver
+[difftool "nbdime"]
+	cmd = git-nbdifftool diff \"$LOCAL\" \"$REMOTE\" \"$BASE\"
+[difftool]
+	prompt = false
+[mergetool "nbdime"]
+	cmd = git-nbmergetool merge \"$BASE\" \"$LOCAL\" \"$REMOTE\" \"$MERGED\"
+[mergetool]
+	prompt = false
diff --git a/run_onchange_before_0_install-packages.sh b/run_onchange_before_0_install-packages.sh
index 2d74227..26bc92c 100644
--- a/run_onchange_before_0_install-packages.sh
+++ b/run_onchange_before_0_install-packages.sh
@@ -6,7 +6,7 @@ echo "Installing packages"
 echo "Updating sources..."
 sudo apt update -qq
 
-for package in zsh xsel unzip git git-extras neovim git ripgrep; do
+for package in zsh xsel unzip git git-extras neovim git ripgrep pipx; do
     if dpkg -s "$package" >/dev/null 2>&1; then
         echo $package is already installed.
     else
diff --git a/run_onchange_before_26_nbdime.sh b/run_onchange_before_26_nbdime.sh
new file mode 100644
index 0000000..9b22586
--- /dev/null
+++ b/run_onchange_before_26_nbdime.sh
@@ -0,0 +1,16 @@
+#!/usr/bin/env bash
+set -e
+
+# Install nbdime using pipx
+if ! command -v pipx &> /dev/null; then
+    echo "pipx not found. failed to install nbdime"
+    exit 1
+fi
+
+if pipx list | grep -q nbdime; then
+    echo "nbdime already installed. skipping."
+    exit 0
+fi
+
+echo "Installing nbdime"
+pipx install nbdime