More improvements to bootstrap

scripts/github_keys.sh

@@ -7,14 +7,9 @@ if [ -z "$SIA_GITHUB_API_KEY" ]; then
     exit 1
 fi
 
-if [ -z "$SIA_REPO_URL" ]; then
-    echo "Error: SIA_REPO_URL environment variable is not set"
-    exit 1
-fi
-
 # Install dependencies
 apt-get update
-apt-get install -y jq
+apt-get install -y jq openssh-client git
 
 # Create SSH directory if it doesn't exist
 mkdir -p ~/.ssh
@@ -26,6 +21,10 @@ if [ ! -f ~/.ssh/sia_repo ]; then
     ssh-keygen -t ed25519 -f ~/.ssh/sia_repo -N ""
 fi
 
+# Ensure proper permissions on SSH keys
+chmod 600 ~/.ssh/sia_repo
+chmod 644 ~/.ssh/sia_repo.pub
+
 # Get the public key
 SSH_PUBLIC_KEY=$(cat ~/.ssh/sia_repo.pub)
 
@@ -53,4 +52,31 @@ curl -X POST "https://api.github.com/user/keys" \
     -H "Accept: application/vnd.github+json" \
     -H "Content-Type: application/json" \
     -H "Authorization: token $SIA_GITHUB_API_KEY" \
-    -d "{\"title\":\"sia\", \"key\":\"$SSH_PUBLIC_KEY\"}"
+    -d "{\"title\":\"sia\", \"key\":\"$SSH_PUBLIC_KEY\"}"
+
+# Create SSH config file to specify which key to use for GitHub
+echo "Configuring SSH to use the correct key for GitHub..."
+cat > ~/.ssh/config << EOF
+Host github.com
+  HostName github.com
+  User git
+  IdentityFile ~/.ssh/sia_repo
+  IdentitiesOnly yes
+EOF
+
+chmod 600 ~/.ssh/config
+
+# Start SSH agent and add the key
+eval $(ssh-agent -s)
+ssh-add ~/.ssh/sia_repo
+
+# Ensure git is configured with a name and email
+if ! git config --global user.email > /dev/null; then
+    echo "Configuring default git user email..."
+    git config --global user.email "niels.geens@gmail.com"
+fi
+
+if ! git config --global user.name > /dev/null; then
+    echo "Configuring default git user name..."
+    git config --global user.name "Niels Geens"
+fi