git: Extract user config, simplify updates

files/.gitconfig

@@ -6,6 +6,8 @@
 	# npm install -g diff-so-fancy
 	pager = diff-so-fancy | less --tabs=4 -RFX
 	attributesfile = ~/.gitattributes
+[include]
+	path = ~/.gitconfig.local
 [alias]
 	a = add
 	st = status

files/.gitconfig.local

@@ -0,0 +1,4 @@
+[user]
+	name =
+	email =
+	signingkey =

setup/dotfiles.sh

@@ -7,6 +7,6 @@ sudo chmod +x /usr/local/bin/diff-so-fancy
 # Copy dotfiles to ~
 echo "Copying dotfiles ..."
 cp -r files/.zsh "$HOME"
-cp files/{.colordiffrc,.gitignore_global,.inputrc,.zshrc} "$HOME"
-cp -n files/.gitconfig "$HOME"
+cp files/.{colordiffrc,gitconfig,gitignore_global,inputrc,zshrc} "$HOME"
+cp -n files/.gitconfig.local "$HOME"
 touch "$HOME/.extra"

update.sh

@@ -1,13 +1,8 @@
 #!/bin/bash
 set -euo pipefail
 
-echo "Updating diff-so-fancy ..."
-curl -sSo /usr/local/bin/diff-so-fancy https://raw.githubusercontent.com/so-fancy/diff-so-fancy/master/third_party/build_fatpack/diff-so-fancy
-chmod +x /usr/local/bin/diff-so-fancy
-
 echo "Updating external zsh modules ..."
 git submodule update --init --recursive --remote --depth=1
-cp -r files/.zsh "$HOME"
 
-# Refresh symlinks
+setup/dotfiles.sh
 setup/zsh.sh