initial commit

scripts/rebuild.sh

@@ -0,0 +1,106 @@
+#!/usr/bin/env bash
+# shellcheck disable=SC2086
+#
+# This script is used to rebuild the system configuration for the current host.
+#
+# SC2086 is ignored because we purposefully pass some values as a set of arguments, so we want the splitting to happen
+
+function red() {
+	echo -e "\x1B[31m[!] $1 \x1B[0m"
+	if [ -n "${2-}" ]; then
+		echo -e "\x1B[31m[!] $($2) \x1B[0m"
+	fi
+}
+function green() {
+	echo -e "\x1B[32m[+] $1 \x1B[0m"
+	if [ -n "${2-}" ]; then
+		echo -e "\x1B[32m[+] $($2) \x1B[0m"
+	fi
+}
+
+function yellow() {
+	echo -e "\x1B[33m[*] $1 \x1B[0m"
+	if [ -n "${2-}" ]; then
+		echo -e "\x1B[33m[*] $($2) \x1B[0m"
+	fi
+}
+
+switch_args="--show-trace --impure --flake "
+if [[ -n $1 && $1 == "trace" ]]; then
+	switch_args="$switch_args --show-trace "
+elif [[ -n $1 ]]; then
+	HOST=$1
+else
+	HOST=$(hostname)
+fi
+switch_args="$switch_args .#$HOST switch"
+
+os=$(uname -s)
+if [ "$os" == "Darwin" ]; then
+	# FIXME: This might not have to be darwin specific
+
+	# FIXME: This will break if HM tries to create the file. We should use environment variables instead
+	mkdir -p ~/.config/nix || true
+	CONF=~/.config/nix/nix.conf
+	if [ ! -f $CONF ]; then
+		# Enable nix-command and flakes to bootstrap
+		cat <<-EOF >$CONF
+			experimental-features = nix-command flakes
+		EOF
+	fi
+
+	# Do some darwin pre-installation for bootstrapping
+	if ! which git &>/dev/null; then
+		echo "Installing xcode tools"
+		xcode-select --install
+	fi
+
+	# https://docs.brew.sh/Installation
+	if [ ! -e /opt/homebrew/bin/brew ]; then
+		echo "Installing rosetta"
+		# This is required for emulation of x86_64 binaries, so let's just
+		# assume if they didn't install brew yet, they need this
+		softwareupdate --install-rosetta --agree-to-license
+		echo "Installing homebrew"
+		export NONINTERACTIVE=1
+		/bin/bash -c "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install.sh)"
+	fi
+
+	green "====== REBUILD ======"
+	# Test if there's no darwin-rebuild, then use nix build and then run it
+	if ! which darwin-rebuild &>/dev/null; then
+		nix build --show-trace .#darwinConfigurations."$HOST".system
+		./result/sw/bin/darwin-rebuild $switch_args
+	else
+		echo $switch_args
+		darwin-rebuild $switch_args
+	fi
+else
+	green "====== REBUILD ======"
+	if command -v nh &>/dev/null; then
+		REPO_PATH=$(pwd)
+		export REPO_PATH
+		nh os switch . -- --impure --show-trace
+	else
+		sudo nixos-rebuild $switch_args
+	fi
+fi
+
+# shellcheck disable=SC2181
+if [ $? -eq 0 ]; then
+	green "====== POST-REBUILD ======"
+	green "Rebuilt successfully"
+
+	# Check if there are any pending changes that would affect the build succeeding.
+	if git diff --exit-code >/dev/null && git diff --staged --exit-code >/dev/null; then
+		# Check if the current commit has a buildable tag
+		if git tag --points-at HEAD | grep -q buildable; then
+			yellow "Current commit is already tagged as buildable"
+		else
+			git tag buildable-"$(date +%Y%m%d%H%M%S)" -m ''
+			green "Tagged current commit as buildable"
+		fi
+	else
+		yellow "WARN: There are pending changes that would affect the build succeeding. Commit them before tagging"
+	fi
+fi