#!/bin/bash

# Gitlab repository
REPO="GNOME/gtk"

# Replace slash with URL encoded representation
REPO=$(echo "$REPO" | sed 's|/|%2F|g')

# Get tag name using Gitlab Rest API
TAG_NAME=$(curl -s -L https://gitlab.gnome.org/api/v4/projects/"$REPO"/repository/tags | jq -r '.[].name' | grep -E '3.*' | head -n1)

# Trim '-gitlab' suffix
TAG_NAME=$(echo "$TAG_NAME" | sed 's/-gitlab//g')

# Get version number from tag name
VERSION=$(echo "$TAG_NAME" | rev | cut -d'-' -f1 | rev)

# Trim 'v' character in VERSION variable
VERSION=$(echo "$VERSION" | tr -d 'v')

echo "$VERSION"