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The purpose of this Bash script is to use semver to simplify the process of incrementing the version, versionCode, and buildNumber of an Expo app.
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| #!/bin/bash | |
| # ANSI color codes | |
| GREEN='\033[0;32m' | |
| RED='\033[0;31m' | |
| NC='\033[0m' # No color | |
| # Emoji icons | |
| STARTING_ICON="🎇" | |
| SUCCESS_ICON="✅" | |
| ERROR_ICON="❌" | |
| UPDATING_ICON="🚀" | |
| # Your JSON file path | |
| json_file="app.json" | |
| # Define the expo_sdk_version variable | |
| expo_sdk_version="049" | |
| # Get the update type argument (major, minor, or patch) | |
| update_type="$1" | |
| # Validate the update type argument | |
| if [ -z "$update_type" ] || ! [[ "$update_type" =~ ^(major|minor|patch)$ ]]; then | |
| echo -e "${RED}${ERROR_ICON} Use one of this for the update <major|minor|patch>${NC}" | |
| exit 1 | |
| fi | |
| # Check if the JSON file exists | |
| if [ ! -f "$json_file" ]; then | |
| echo -e "${RED}${ERROR_ICON} Error: JSON file not found at path: $json_file${NC}" | |
| exit 1 | |
| fi | |
| # Display a starting message with an emoji | |
| echo -e "${GREEN}${STARTING_ICON} Starting the update process... ${STARTING_ICON}${NC}" | |
| # Extract the current version, buildNumber, and versionCode from the JSON file | |
| current_version=$(jq -r '.expo.version' "$json_file") | |
| current_build_number=$(jq -r '.expo.ios.buildNumber' "$json_file") | |
| current_version_code=$(jq -r '.expo.android.versionCode' "$json_file") | |
| # Split the version into major, minor, and patch components | |
| IFS='.' read -r -a version_parts <<< "$current_version" | |
| # Calculate the new versionCode based on the version with the expo_sdk_version prefix | |
| new_version_code="${expo_sdk_version}$(printf "%02d" "${version_parts[0]}")$(printf "%02d" "${version_parts[1]}")$(printf "%02d" "${version_parts[2]}")" | |
| # Update the appropriate version component | |
| case "$update_type" in | |
| "major") | |
| ((version_parts[0]++)) | |
| version_parts[1]=0 | |
| version_parts[2]=0 | |
| ;; | |
| "minor") | |
| ((version_parts[1]++)) | |
| version_parts[2]=0 | |
| ;; | |
| "patch") | |
| ((version_parts[2]++)) | |
| ;; | |
| esac | |
| # Ensure that the new version components are within the range 0-99 | |
| for i in "${!version_parts[@]}"; do | |
| if ((version_parts[i] < 0)); then | |
| version_parts[i]=0 | |
| elif ((version_parts[i] > 99)); then | |
| version_parts[i]=99 | |
| fi | |
| done | |
| # Create the new version string | |
| new_version="${version_parts[0]}.${version_parts[1]}.${version_parts[2]}" | |
| # Calculate the new versionCode dynamically | |
| new_version_code_dynamic="${expo_sdk_version}$(printf "%02d" "${version_parts[0]}")$(printf "%02d" "${version_parts[1]}")$(printf "%02d" "${version_parts[2]}")" | |
| # Update the version, buildNumber, and versionCode fields in the JSON file | |
| jq --arg new_version "$new_version" --arg new_version_code "$new_version_code_dynamic" '.expo.version = $new_version | .expo.ios.buildNumber = $new_version | .expo.android.versionCode = ($new_version_code | tonumber)' "$json_file" > tmp.json && mv tmp.json "$json_file" | |
| # Display a success message with an emoji | |
| echo -e "${GREEN} version, buildNumber and versionCode updated ${UPDATING_ICON}${NC}" | |
| echo -e "${GREEN}${SUCCESS_ICON}${NC} version: $new_version" | |
| echo -e "${GREEN}${SUCCESS_ICON}${NC} buildNumber: $new_version" | |
| echo -e "${GREEN}${SUCCESS_ICON}${NC} versionCode: $new_version_code_dynamic" | |
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https://dub.sh/post-expo-app-management