Add one-time curl-pipe bootstrap installer

mcp-config/install.sh

@@ -0,0 +1,81 @@
+#!/usr/bin/env sh
+# One-time bootstrap for the covert-gpt MCP gateway on a user's laptop.
+#
+#   curl -fsSL https://git.nic-oconnor.com/public/dotfiles/raw/branch/main/mcp-config/install.sh | sh
+#
+# It is interactive (prompts for the user's LiteLLM key) UNLESS LITELLM_KEY is
+# already set in the environment, e.g.:
+#   curl -fsSL .../install.sh | LITELLM_KEY=sk-... sh
+#
+# What it installs (all under the user's home, no root):
+#   ~/.config/mcp-sync/sync.sh   the per-shell refresh hook (from Gitea)
+#   ~/.config/mcp-sync/key       the user's LiteLLM virtual key (chmod 600)
+#   a line in the user's shell rc that sources sync.sh on each shell start
+# After this, every new shell refreshes the gateway config automatically.
+set -eu
+
+RAW_BASE="${MCP_SYNC_RAW_BASE:-https://git.nic-oconnor.com/public/dotfiles/raw/branch/main/mcp-config}"
+SYNC_HOME="$HOME/.config/mcp-sync"
+SYNC_SH="$SYNC_HOME/sync.sh"
+KEYFILE="$SYNC_HOME/key"
+HOOK_MARKER="# >>> covert-gpt mcp-sync >>>"
+
+say() { printf '%s\n' "$*" >&2; }
+
+command -v curl >/dev/null 2>&1 || { say "error: curl is required"; exit 1; }
+
+mkdir -p "$SYNC_HOME"
+
+# --- 1. fetch the sync hook ------------------------------------------------
+say "Fetching mcp-sync hook..."
+curl -fsSL -m 15 "$RAW_BASE/sync.sh" -o "$SYNC_SH"
+chmod 0644 "$SYNC_SH"
+
+# --- 2. capture the LiteLLM key -------------------------------------------
+if [ "${LITELLM_KEY:-}" = "" ]; then
+  # Read from the controlling TTY since stdin is the piped script.
+  if [ -r /dev/tty ]; then
+    printf 'Paste your LiteLLM virtual key (sk-...): ' >&2
+    IFS= read -r LITELLM_KEY < /dev/tty
+  else
+    say "error: no LITELLM_KEY in env and no TTY to prompt."
+    say "re-run as:  curl ... | LITELLM_KEY=sk-... sh"
+    exit 1
+  fi
+fi
+LITELLM_KEY="$(printf '%s' "$LITELLM_KEY" | tr -d ' \t\r\n')"
+case "$LITELLM_KEY" in
+  sk-*) : ;;
+  *) say "warning: key does not start with 'sk-' — continuing anyway." ;;
+esac
+printf '%s' "$LITELLM_KEY" > "$KEYFILE"
+chmod 0600 "$KEYFILE"
+say "Key stored at $KEYFILE (0600)."
+
+# --- 3. wire the shell rc --------------------------------------------------
+# Detect the user's interactive rc; default to zsh on macOS, bash elsewhere.
+case "${SHELL:-}" in
+  *zsh) RC="$HOME/.zshrc" ;;
+  *bash) RC="$HOME/.bashrc" ;;
+  *) [ -f "$HOME/.zshrc" ] && RC="$HOME/.zshrc" || RC="$HOME/.bashrc" ;;
+esac
+touch "$RC"
+
+if grep -qF "$HOOK_MARKER" "$RC" 2>/dev/null; then
+  say "Shell hook already present in $RC."
+else
+  {
+    printf '\n%s\n' "$HOOK_MARKER"
+    printf '%s\n' '[ -f "$HOME/.config/mcp-sync/sync.sh" ] && . "$HOME/.config/mcp-sync/sync.sh"'
+    printf '%s\n' "# <<< covert-gpt mcp-sync <<<"
+  } >> "$RC"
+  say "Added mcp-sync hook to $RC."
+fi
+
+# --- 4. run it once now so the config exists immediately -------------------
+# shellcheck disable=SC1090
+. "$SYNC_SH" || true
+
+say ""
+say "Done. Open a new terminal (or 'source $RC') and run opencode."
+say "The gateway config refreshes automatically on each new shell."