feat: support config-free ERP app versioning

scripts/bump.sh

@@ -1,8 +1,7 @@
 #!/usr/bin/env bash
 set -euo pipefail
 
-: "${INPUT_CONFIG_FILE:?config-file is required}"
-: "${INPUT_VERSION_FILE:=}"
+: "${INPUT_VERSION_FILE:?version-file is required}"
 : "${INPUT_BASE_BRANCH:?base-branch is required}"
 : "${INPUT_TARGET_BRANCH:?target-branch is required}"
 : "${INPUT_BUMP:?bump is required}"
@@ -24,8 +23,8 @@ case "${INPUT_BUMP}" in
 	*) echo "bump must be major, minor, or patch" >&2; exit 1 ;;
 esac
 
-if [[ ! -f "${INPUT_CONFIG_FILE}" ]]; then
-	echo "Configuration file not found: ${INPUT_CONFIG_FILE}" >&2
+if [[ ! -f "${INPUT_VERSION_FILE}" ]]; then
+	echo "Version file not found: ${INPUT_VERSION_FILE}" >&2
 	exit 1
 fi
 
@@ -45,12 +44,8 @@ git fetch "${INPUT_REMOTE}" \
 
 script_dir=$(cd -- "$(dirname -- "${BASH_SOURCE[0]}")" && pwd)
 base_ref="refs/remotes/${INPUT_REMOTE}/${INPUT_BASE_BRANCH}"
-current_version=$(python3 "${script_dir}/read_version.py" "${INPUT_CONFIG_FILE}")
-base_version_args=("${INPUT_CONFIG_FILE}" --ref "${base_ref}")
-if [[ -n "${INPUT_VERSION_FILE}" ]]; then
-	base_version_args+=(--fallback-version-file "${INPUT_VERSION_FILE}")
-fi
-base_version=$(python3 "${script_dir}/read_version.py" "${base_version_args[@]}")
+current_version=$(python3 "${script_dir}/read_version.py" "${INPUT_VERSION_FILE}")
+base_version=$(python3 "${script_dir}/read_version.py" "${INPUT_VERSION_FILE}" --ref "${base_ref}")
 
 comparison=$(python3 - "${current_version}" "${base_version}" <<'PY'
 import re
@@ -96,13 +91,17 @@ git config user.email "${INPUT_GIT_USER_EMAIL}"
 
 message=${INPUT_COMMIT_MESSAGE//\{version\}/\{new_version\}}
 "${venv_dir}/bin/bump-my-version" bump \
-	--config-file "${INPUT_CONFIG_FILE}" \
+	--current-version "${current_version}" \
+	--search '__version__ = "{current_version}"' \
+	--replace '__version__ = "{new_version}"' \
+	--no-configured-files \
 	--commit \
 	--no-tag \
 	--message "${message}" \
-	"${INPUT_BUMP}"
+	"${INPUT_BUMP}" \
+	"${INPUT_VERSION_FILE}"
 
-new_version=$(python3 "${script_dir}/read_version.py" "${INPUT_CONFIG_FILE}")
+new_version=$(python3 "${script_dir}/read_version.py" "${INPUT_VERSION_FILE}")
 commit=$(git rev-parse HEAD)
 
 if [[ "${INPUT_PUSH}" == "true" ]]; then