checkout_submodules.sh

#!/bin/bash
# ORIGINAL FILE: https://github.com/mtransitapps/commons/tree/master/shared-overwrite
#NO DEPENDENCY <= EXECUTED BEFORE GIT SUBMODULE
function setGitProjectName() { # copy from commons.sh
	GIT_URL=$(git config --get remote.origin.url);
	echo "GIT_URL: '$GIT_URL'.";
	GIT_PROJECT_NAME=$(basename -- ${GIT_URL});
	GIT_PROJECT_NAME="${GIT_PROJECT_NAME%.*}" # remove ".git" extension
	echo "GIT_PROJECT_NAME: '$GIT_PROJECT_NAME'.";
	if [[ -z "${GIT_PROJECT_NAME}" ]]; then
		echo "GIT_PROJECT_NAME not found!";
		exit 1;
	fi
	PROJECT_NAME="${GIT_PROJECT_NAME%-gradle}";
	echo "PROJECT_NAME: '$PROJECT_NAME'.";
}

echo "> GitHub Actions: $GITHUB_ACTIONS.";

IS_SHALLOW=$(git rev-parse --is-shallow-repository);
if [[ "$IS_SHALLOW" == true && "$GITHUB_ACTIONS" == false ]]; then
	echo "> Fetching un-shallow GIT repo...";
	git fetch -v --unshallow;
	RESULT=$?;
	if [[ ${RESULT} -ne 0 ]]; then
		echo "> Error while fetching un-shallow GIT repository!";
		exit ${RESULT};
	fi
	echo "> Fetching un-shallow GIT repo... DONE";
else
	echo "> Not a shallow GIT repo.";
fi

setGitProjectName;

declare -a SUBMODULES=(
	"commons"
	"commons-java"
	"commons-android"
);
if [[ $GIT_PROJECT_NAME == *"-gradle"* ]]; then # OLD REPO
	SUBMODULES+=('app-android'); # OLD REPO
fi
if [[ -d "parser" ]]; then
    SUBMODULES+=('parser');
	if [[ $GIT_PROJECT_NAME == *"-gradle"* ]]; then # OLD REPO
		SUBMODULES+=('agency-parser'); # OLD REPO
	fi
fi
echo "Submodules:";
printf '* "%s"\n' "${SUBMODULES[@]}";

for SUBMODULE in "${SUBMODULES[@]}" ; do
	if ! [[ -d "$SUBMODULE" ]]; then
		echo "> Submodule does NOT exist '$SUBMODULE'!";
		exit 1;
	fi
	git submodule update --init --recursive ${SUBMODULE};
	RESULT=$?;
	if [[ ${RESULT} -ne 0 ]]; then
		echo "Error while update GIT submodule '$SUBMODULE'!";
		exit ${RESULT};
	fi
	echo "'$SUBMODULE' updated successfully."
done