Added initial_setup.sh for setup bootstrapping

initial_setup.sh

@@ -0,0 +1,40 @@
+#!/usr/bin/env bash
+# To set up a fresh system, run the following:
+# curl -sSL https://raw.githubusercontent.com/caperren/nixos-configs/main/initial_setup.sh | bash
+set -e
+
+SCRIPT_DIR=$(dirname "$(readlink -f "${BASH_SOURCE[0]}")")
+
+GIT_REPO_NAME="nixos-configs"
+GIT_RELEASE_BRANCH="playground"
+GIT_REPO_URL="git@github.com:caperren/$GIT_REPO_NAME.git"
+
+NIXOS_REPO_CONFIG_PARENT_PATH="/opt"
+NIXOS_REPO_CONFIG_PATH="$NIXOS_REPO_CONFIG_PARENT_PATH/$GIT_REPO_NAME"
+HOST_CONFIG_PATH="$NIXOS_REPO_CONFIG_PATH/hosts/$(hostname)"
+
+# If the config repo doesn't exist, clone it
+if [ ! -d "$NIXOS_REPO_CONFIG_PATH" ]; then
+    TEMP_CLONE_DIR="/home/$USER/$GIT_REPO_NAME"
+
+    if [[ ! -d "$NIXOS_REPO_CONFIG_PARENT_PATH" ]]; then
+        sudo mkdir -p "$NIXOS_REPO_CONFIG_PARENT_PATH"
+    fi
+
+    git clone "$GIT_REPO_URL" "$TEMP_CLONE_DIR" || true
+
+    sudo mv "$TEMP_CLONE_DIR" "$NIXOS_REPO_CONFIG_PARENT_PATH/."
+    cd "$NIXOS_REPO_CONFIG_PATH"
+
+    git checkout "$GIT_RELEASE_BRANCH"
+
+    sudo chown -R $USER:users "$NIXOS_REPO_CONFIG_PATH" 
+fi
+
+# If we're not running from the repo directory, this script launch is a setup bootstrap
+# Exec the same script in the config repo, which should be the right one for the release branch
+# we want
+if [[ "$SCRIPT_DIR" != "$NIXOS_REPO_CONFIG_PATH" ]]; then
+    exec "$NIXOS_REPO_CONFIG_PATH/initial_setup.sh"
+    exit
+fi