setup-dotfiles.sh

setup-dotfiles.sh

#!/bin/bash
# ================================================================
# setup-dotfiles.sh — public bootstrap script for dotfiles
# Parameterised: GITHUB_TOKEN, GITHUB_USER, REPO_NAME
# ================================================================

set -euo pipefail

# ─── READ PARAMETERS OR ENV VARS ───────────────────────────────────────────
for arg in "$@"; do
    eval "$arg"
done

: "${GITHUB_TOKEN:?You must pass GITHUB_TOKEN=<token>}"
: "${GITHUB_USER:?You must pass GITHUB_USER=<username>}"
: "${REPO_NAME:?You must pass REPO_NAME=<repository name>}"

BRANCH="${BRANCH:-main}"

# ─── PREPARE SYSTEM ───────────────────────────────────────────────────────
sudo apt update -y && sudo apt install -y git curl

git config --global user.name "$GITHUB_USER"
git config --global user.email "[email protected]"
git config --global init.defaultBranch "$BRANCH"
git config --global credential.helper store

# ─── CONFIGURE GIT HTTPS CREDENTIAL ───────────────────────────────────────
GIT_CRED_FILE="$HOME/.git-credentials"
CRED_URL="https://$GITHUB_USER:[email protected]"
echo "$CRED_URL" > "$GIT_CRED_FILE"
chmod 600 "$GIT_CRED_FILE"

# ─── CLONE OR UPDATE DOTFILES REPO ────────────────────────────────────────
DOTFILES_DIR="$HOME/$REPO_NAME"

if [ -d "$DOTFILES_DIR/.git" ]; then
    echo "⚙️  Repo exists — pulling latest..."
    cd "$DOTFILES_DIR"
    git pull origin "$BRANCH"
else
    echo "⬇️  Cloning repo..."
    git clone "https://github.com/$GITHUB_USER/$REPO_NAME.git" "$DOTFILES_DIR"
    cd "$DOTFILES_DIR"
fi

# ─── EXECUTABLE PERMISSIONS ───────────────────────────────────────────────
chmod +x "$DOTFILES_DIR"/*.sh 2>/dev/null || true

# ─── RUN SYMLINK SETUP & SYNC ────────────────────────────────────────────
if [ -x "$DOTFILES_DIR/scripts/link-dotfiles.sh" ]; then
    echo "🔗 Running link-dotfiles.sh..."
    "$DOTFILES_DIR/scripts/link-dotfiles.sh"
fi

if [ -x "$DOTFILES_DIR/scripts/sync.sh" ]; then
    echo "🔁 Running sync.sh..."
    "$DOTFILES_DIR/scripts/sync.sh"
fi

# ─── RELOAD SHELL ─────────────────────────────────────────────────────────
if [ -f "$HOME/.bashrc" ]; then
    echo "🔁 Reloading Bash environment..."
    source "$HOME/.bashrc"
fi

echo "🎉 Dotfiles setup complete for $GITHUB_USER/$REPO_NAME on $(hostname)"