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// file : bpkg/cfg-create.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <bpkg/cfg-create>
#include <butl/fdstream>
#include <bpkg/package>
#include <bpkg/package-odb>
#include <bpkg/database>
#include <bpkg/diagnostics>
using namespace std;
using namespace butl;
namespace bpkg
{
int
cfg_create (const cfg_create_options& o, cli::scanner& args)
{
tracer trace ("cfg_create");
if (o.wipe () && !o.directory_specified ())
fail << "--wipe requires explicit --directory|-d";
dir_path c (o.directory ());
l4 ([&]{trace << "creating configuration in " << c;});
// If the directory already exists, make sure it is empty.
// Otherwise, create it.
//
if (exists (c))
{
l5 ([&]{trace << "directory " << c << " exists";});
if (!empty (c))
{
l5 ([&]{trace << "directory " << c << " not empty";});
if (!o.wipe ())
fail << "directory " << c << " is not empty" <<
info << "use --wipe to clean it up but be careful";
rm_r (c, false);
}
}
else
{
l5 ([&]{trace << "directory " << c << " does not exist";});
mk_p (c);
}
// Sort arguments into modules and configuration variables.
//
strings mods;
strings vars;
while (args.more ())
{
string a (args.next ());
if (a.find ('=') != string::npos)
{
vars.push_back (move (a));
}
else if (!a.empty ())
{
// Append .config unless the module name ends with '.', in which case
// strip it.
//
if (a.back () != '.')
a += ".config";
else
a.pop_back ();
mods.push_back (move (a));
}
else
fail << "empty string as argument";
}
// Create build/.
//
dir_path b (c / dir_path ("build"));
mk (b);
// Write build/bootstrap.build.
//
path f (b / path ("bootstrap.build"));
try
{
ofdstream ofs (f);
ofs << "# Maintained automatically by bpkg. Edit if you know what " <<
"you are doing." << endl
<< "#" << endl
<< "project =" << endl
<< "amalgamation =" << endl
<< endl
<< "using config" << endl
<< "using test" << endl
<< "using install" << endl;
ofs.close ();
}
catch (const ofdstream::failure& e)
{
fail << "unable to write to " << f << ": " << e.what ();
}
// Write build/root.build.
//
f = b / path ("root.build");
try
{
ofdstream ofs (f);
ofs << "# Maintained automatically by bpkg. Edit if you know what " <<
"you are doing." << endl
<< "#" << endl;
// Load user-supplied modules. We don't really know whether they must
// be loaded in bootstrap.
//
for (const string& m: mods)
{
// If the module name start with '?', then use optional load.
//
if (m.front () != '?')
ofs << "using " << m << endl;
else
ofs << "using? " << m.c_str () + 1 << endl;
}
ofs.close ();
}
catch (const ofdstream::failure& e)
{
fail << "unable to write to " << f << ": " << e.what ();
}
// Write root buildfile.
//
f = c / path ("buildfile");
try
{
ofdstream ofs (f);
ofs << "# Maintained automatically by bpkg. Edit if you know what " <<
"you are doing." << endl
<< "#" << endl
<< "./:" << endl;
ofs.close ();
}
catch (const ofdstream::failure& e)
{
fail << "unable to write to " << f << ": " << e.what ();
}
// Configure.
//
// Run quiet. Use path representation to get canonical trailing slash.
//
run_b (o, c, "configure('" + c.representation () + "')", true, vars);
// Create .bpkg/.
//
mk (c / bpkg_dir);
// Create the database.
//
database db (open (c, trace, true));
// Add the special, root repository object with empty location.
//
transaction t (db.begin ());
db.persist (repository (repository_location ()));
t.commit ();
if (verb)
{
c.complete ().normalize ();
text << "created new configuration in " << c;
}
return 0;
}
}
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