add update script

update_script.sh

@@ -0,0 +1,54 @@
+#!/bin/bash
+
+# Check if two arguments are provided
+if [ $# -ne 2 ]; then
+    echo "Usage: $0 <version_name> <version_code>"
+    echo "Example: $0 0.10.9 100082"
+
+    # Extract the previous version code from export_presets.cfg
+    previous_version_code=$(grep 'version/code=' export_presets.cfg | tail -n1 | cut -d'=' -f2)
+    echo "Previous version code was: $previous_version_code"
+
+    exit 1
+fi
+
+version_name=$1
+version_code=$2
+
+# Check if a file with the version code exists in the metadata folder
+if [ -f "./fastlane/metadata/android/en-US/$version_code" ]; then
+    echo "Error: A file with the version code $version_code already exists in the metadata folder."
+    echo "Please use a different version code or update the existing file."
+    exit 1
+fi
+
+# Check if the version name exists in CHANGELOG.md
+if ! grep -q "## v$version_name" CHANGELOG.md; then
+    echo "Error: Version $version_name not found in CHANGELOG.md"
+    exit 1
+fi
+
+# Extract the changelog for the given version and save it to a new file
+changelog_file="./fastlane/metadata/android/en-US/$version_code.txt"
+sed -n "/## v$version_name/,/## v/p" CHANGELOG.md | sed '$d' | sed '1d' > "$changelog_file"
+
+# Check if the changelog was successfully extracted
+if [ ! -s "$changelog_file" ]; then
+    echo "Error: Failed to extract changelog for version $version_name"
+    rm "$changelog_file"
+    exit 1
+fi
+
+echo "Changelog for version $version_name has been saved to $changelog_file"
+
+# Update version codes and version name in export_presets.cfg
+sed -i '' "s/version\/code=[0-9]*/version\/code=$((version_code - 1))/" export_presets.cfg
+sed -i '' "s/version\/name=\"[^\"]*\"/version\/name=\"$version_name\"/" export_presets.cfg
+sed -i '' "0,/version\/code=[0-9]*/s//version\/code=$version_code/" export_presets.cfg
+
+echo "Updated version codes and version name in export_presets.cfg"
+
+# If we've made it this far, run the butler-upload script
+./exports/butler-upload.sh "$version_name"
+
+echo "Upload completed successfully!"