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#include <seqan3/argument_parser/all.hpp>
// =====================================================================================================================
// pull
// =====================================================================================================================
struct pull_arguments
{
std::string repository{};
std::string branch{};
bool progress{false};
};
int run_git_pull(seqan3::argument_parser & parser)
{
pull_arguments args{};
parser.add_positional_option(args.repository, "The repository name to pull from.");
parser.add_positional_option(args.branch, "The branch name to pull from.");
try
{
parser.parse();
}
catch (seqan3::argument_parser_error const & ext)
{
seqan3::debug_stream << "[Error git pull] " << ext.what() << "\n";
return -1;
}
seqan3::debug_stream << "Git pull with repository " << args.repository << " and branch " << args.branch << '\n';
return 0;
}
// =====================================================================================================================
// push
// =====================================================================================================================
struct push_arguments
{
std::string repository{};
std::vector<std::string> branches{};
bool push_all{false};
};
int run_git_push(seqan3::argument_parser & parser)
{
push_arguments args{};
parser.add_positional_option(args.repository, "The repository name to push to.");
parser.add_positional_option(args.branches, "The branch names to push (if none are given, push current).");
try
{
parser.parse();
}
catch (seqan3::argument_parser_error const & ext)
{
seqan3::debug_stream << "[Error git push] " << ext.what() << "\n";
return -1;
}
seqan3::debug_stream << "Git push with repository " << args.repository << " and branches " << args.branches << '\n';
return 0;
}
// =====================================================================================================================
// main
// =====================================================================================================================
int main(int argc, char const ** argv)
{
//![construction]
seqan3::argument_parser top_level_parser{"mygit", argc, argv, true, {"push", "pull"}};
//![construction]
// Add information and flags to your top-level parser just as you would do with a normal one.
// Note that all flags directed at the top-level parser must be specified BEFORE the subcommand key word.
// Because of ambiguity, we do not allow any (positional) options for the top-level parser.
top_level_parser.info.description.push_back("You can push or pull from a remote repository.");
bool flag{false};
top_level_parser.add_flag(flag, 'f', "flag", "some flag");
try
{
top_level_parser.parse(); // trigger command line parsing
}
catch (seqan3::argument_parser_error const & ext) // catch user errors
{
seqan3::debug_stream << "[Error] " << ext.what() << "\n"; // customise your error message
return -1;
}
//![get_sub_parser]
seqan3::argument_parser & sub_parser = top_level_parser.get_sub_parser(); // hold a reference to the sub_parser
//![get_sub_parser]
std::cout << "Proceed to sub parser.\n";
if (sub_parser.info.app_name == std::string_view{"mygit-pull"})
run_git_pull(sub_parser);
else if (sub_parser.info.app_name == std::string_view{"mygit-push"})
run_git_push(sub_parser);
else
throw std::logic_error{"I do not know sub parser " + sub_parser.info.app_name};
}
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