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gemini-cli/scripts/send_gemini_request.sh

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#!/bin/bash
# -----------------------------------------------------------------------------
# Gemini API Replay Script
# -----------------------------------------------------------------------------
# Purpose:
# This script is used to replay a Gemini API request using a raw JSON payload.
# It is particularly useful for debugging the exact requests made by the
# Gemini CLI.
#
# Prerequisites:
# 1. Export your Gemini API key:
# export GEMINI_API_KEY="your_api_key_here"
#
# 2. Generate a request payload from the Gemini CLI:
# Inside the CLI, run the `/chat debug` command. This will save the most
# recent API request to a file named `gcli-request-<timestamp>.json`.
#
# Usage:
# ./scripts/send_gemini_request.sh --payload <path_to_json> --model <model_id> [--stream]
#
# Options:
# --payload <file> Path to the JSON request payload.
# --model <id> The Gemini model ID (e.g., gemini-3-flash-preview).
# --stream (Optional) Use the streaming API endpoint. Defaults to non-streaming.
#
# Example:
# ./scripts/send_gemini_request.sh --payload gcli-request.json --model gemini-3-flash-preview
# -----------------------------------------------------------------------------
set -e -E
# Load environment variables from .env if it exists
if [ -f ".env" ]; then
echo "Loading environment variables from .env file..."
set -a # Automatically export all variables
source .env
set +a
fi
# Function to print usage
usage() {
echo "Usage: $0 --payload <path_to_json_file> --model <model_id> [--stream]"
echo "Ensure GEMINI_API_KEY environment variable is set."
exit 1
}
STREAM_MODE=false
# Parse command line arguments
while [[ "$#" -gt 0 ]]; do
case $1 in
--payload) PAYLOAD_FILE="$2"; shift ;;
--model) MODEL_ID="$2"; shift ;;
--stream) STREAM_MODE=true ;;
*) echo "Unknown parameter passed: $1"; usage ;;
esac
shift
done
# Validate inputs
if [ -z "$PAYLOAD_FILE" ] || [ -z "$MODEL_ID" ]; then
echo "Error: Missing required arguments."
usage
fi
if [ -z "$GEMINI_API_KEY" ]; then
echo "Error: GEMINI_API_KEY environment variable is not set."
exit 1
fi
if [ ! -f "$PAYLOAD_FILE" ]; then
echo "Error: Payload file '$PAYLOAD_FILE' does not exist."
exit 1
fi
# API Endpoint definition
if [ "$STREAM_MODE" = true ]; then
GENERATE_CONTENT_API="streamGenerateContent"
echo "Mode: Streaming"
else
GENERATE_CONTENT_API="generateContent"
echo "Mode: Non-streaming (Default)"
fi
echo "Sending request to model: $MODEL_ID"
echo "Using payload from: $PAYLOAD_FILE"
echo "----------------------------------------"
# Make the cURL request. If non-streaming, pipe through jq for readability if available.
if [ "$STREAM_MODE" = false ] && command -v jq &> /dev/null; then
curl -s -X POST \
-H "Content-Type: application/json" \
"https://generativelanguage.googleapis.com/v1beta/models/${MODEL_ID}:${GENERATE_CONTENT_API}?key=${GEMINI_API_KEY}" \
-d "@${PAYLOAD_FILE}" | jq .
else
curl -X POST \
-H "Content-Type: application/json" \
"https://generativelanguage.googleapis.com/v1beta/models/${MODEL_ID}:${GENERATE_CONTENT_API}?key=${GEMINI_API_KEY}" \
-d "@${PAYLOAD_FILE}"
fi
echo -e "\n----------------------------------------"