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// file : bpkg/pkg-configure.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2016 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <bpkg/pkg-configure>
#include <bpkg/package>
#include <bpkg/package-odb>
#include <bpkg/database>
#include <bpkg/diagnostics>
#include <bpkg/satisfaction>
#include <bpkg/pkg-verify>
#include <bpkg/pkg-disfigure>
using namespace std;
using namespace butl;
namespace bpkg
{
void
pkg_configure (const dir_path& c,
const common_options& o,
transaction& t,
const shared_ptr<selected_package>& p,
const strings& vars)
{
tracer trace ("pkg_configure");
assert (p->state == package_state::unpacked);
assert (p->src_root); // Must be set since unpacked.
database& db (t.database ());
tracer_guard tg (db, trace);
// Calculate package's src_root and out_root.
//
dir_path src_root (p->src_root->absolute ()
? *p->src_root
: c / *p->src_root);
dir_path out_root (c / dir_path (p->name + "-" + p->version.string ()));
l4 ([&]{trace << "src_root: " << src_root << ", "
<< "out_root: " << out_root;});
// Verify all our prerequisites are configured and populate the
// prerequisites list.
//
{
assert (p->prerequisites.empty ());
package_manifest m (pkg_verify (src_root, true));
for (const dependency_alternatives& da: m.dependencies)
{
assert (!da.conditional); //@@ TODO
bool satisfied (false);
for (const dependency& d: da)
{
const string& n (d.name);
if (shared_ptr<selected_package> dp = db.find<selected_package> (n))
{
if (dp->state != package_state::configured)
continue;
if (!satisfies (dp->version, d.constraint))
continue;
auto r (p->prerequisites.emplace (dp, d.constraint));
// Currently we can only capture a single constraint, so if we
// already have a dependency on this package and one constraint is
// not a subset of the other, complain.
//
if (!r.second)
{
auto& c (r.first->second);
bool s1 (satisfies (c, d.constraint));
bool s2 (satisfies (d.constraint, c));
if (!s1 && !s2)
fail << "multiple dependencies on package " << n <<
info << n << " " << *c <<
info << n << " " << *d.constraint;
if (s2 && !s1)
c = d.constraint;
}
satisfied = true;
break;
}
}
if (!satisfied)
fail << "no configured package satisfies dependency on " << da;
}
}
// Form the buildspec.
//
string bspec;
if (src_root == out_root)
bspec = "configure('" + out_root.string () + "/')";
else
bspec = "configure('" +
src_root.string () + "/'@'" +
out_root.string () + "/')";
l4 ([&]{trace << "buildspec: " << bspec;});
// Configure.
//
try
{
run_b (o, c, bspec, true, vars); // Run quiet.
}
catch (const failed&)
{
// If we failed to configure the package, make sure we revert
// it back to the unpacked state by running disfigure (it is
// valid to run disfigure on an un-configured build). And if
// disfigure fails as well, then the package will be set into
// the broken state.
//
// Indicate to pkg_disfigure() we are partially configured.
//
p->out_root = out_root.leaf ();
p->state = package_state::broken;
pkg_disfigure (c, o, t, p); // Commits the transaction.
throw;
}
p->out_root = out_root.leaf ();
p->state = package_state::configured;
db.update (p);
t.commit ();
}
int
pkg_configure (const pkg_configure_options& o, cli::scanner& args)
{
tracer trace ("pkg_configure");
const dir_path& c (o.directory ());
l4 ([&]{trace << "configuration: " << c;});
// Sort arguments into the package name and configuration variables.
//
string n;
strings vars;
while (args.more ())
{
string a (args.next ());
if (a.find ('=') != string::npos)
vars.push_back (move (a));
else if (n.empty ())
n = move (a);
else
fail << "unexpected argument '" << a << "'";
}
if (n.empty ())
fail << "package name argument expected" <<
info << "run 'bpkg help pkg-configure' for more information";
database db (open (c, trace));
transaction t (db.begin ());
session s;
shared_ptr<selected_package> p (db.find<selected_package> (n));
if (p == nullptr)
fail << "package " << n << " does not exist in configuration " << c;
if (p->state != package_state::unpacked)
fail << "package " << n << " is " << p->state <<
info << "expected it to be unpacked";
l4 ([&]{trace << p->name << " " << p->version;});
pkg_configure (c, o, t, p, vars); // Commits the transaction.
if (verb)
text << "configured " << p->name << " " << p->version;
return 0;
}
}
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