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// file : bpkg/build.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2015 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <bpkg/build>
#include <vector>
#include <bpkg/types>
#include <bpkg/package>
#include <bpkg/package-odb>
#include <bpkg/utility>
#include <bpkg/database>
#include <bpkg/diagnostics>
#include <bpkg/manifest-utility>
#include <bpkg/pkg-verify>
using namespace std;
using namespace butl;
namespace bpkg
{
struct selected_package // @@ Swap names.
{
shared_ptr<available_package> ap; // Note: might be transient.
optional<path> archive;
optional<dir_path> directory;
};
using packages = vector<selected_package>;
void
build (const build_options& o, cli::scanner& args)
{
tracer trace ("build");
const dir_path& c (o.directory ());
level4 ([&]{trace << "configuration: " << c;});
if (!args.more ())
fail << "package name argument expected" <<
info << "run 'bpkg help build' for more information";
database db (open (c, trace));
transaction t (db.begin ());
session s;
shared_ptr<repository> root (db.load<repository> (""));
// Start assembling the list of packages we will need to build
// by first collecting the user's selection.
//
packages pkgs;
while (args.more ())
{
const char* s (args.next ());
selected_package pkg;
// Reduce all the potential variations (archive, directory,
// package, package version) to the single available_package
// object.
//
string n;
version v;
shared_ptr<available_package>& ap (pkg.ap);
// Is this a package archive?
//
try
{
path a (s);
if (exists (a))
{
package_manifest m (pkg_verify (o, a, false));
// This is a package archive (note that we shouldn't throw
// failed from here on).
//
level4 ([&]{trace << "archive " << a;});
n = m.name;
v = m.version;
ap = make_shared<available_package> (move (m));
pkg.archive = move (a);
}
}
catch (const invalid_path&)
{
// Not a valid path so cannot be an archive.
}
catch (const failed&)
{
// Not a valid package archive.
}
// Is this a package directory?
//
try
{
dir_path d (s);
if (exists (d))
{
package_manifest m (pkg_verify (d, false));
// This is a package directory (note that we shouldn't throw
// failed from here on).
//
level4 ([&]{trace << "directory " << d;});
n = m.name;
v = m.version;
ap = make_shared<available_package> (move (m));
pkg.directory = move (d);
}
}
catch (const invalid_path&)
{
// Not a valid path so cannot be an archive.
}
catch (const failed&)
{
// Not a valid package archive.
}
// Then it got to be a package name with optional version.
//
if (ap == nullptr)
{
n = parse_package_name (s);
v = parse_package_version (s);
level4 ([&]{trace << "package " << n << "; version " << v;});
// Find the available package, if any.
//
using query = query<available_package>;
query q (query::id.name == n);
// Either get the user-specified version or the latest.
//
if (!v.empty ())
q = q && query::id.version == v;
else
q += order_by_version_desc (query::id.version);
// Only consider packages that are in repositories that were
// explicitly added to the configuration and their complements,
// recursively.
//
ap = filter_one (root, db.query<available_package> (q)).first;
}
// Load the package that may have already been selected and
// figure out what exactly we need to do here. The end goal
// is the available_package object corresponding to the actual
// package that we will be building (which may or may not be
// the same as the selected package).
//
shared_ptr<package> p (db.find<package> (n));
if (p != nullptr && p->state == state::broken)
fail << "unable to build broken package " << n <<
info << "use 'pkg-purge --force' to remove";
// If the user asked for a specific version, then that's what
// we should be building.
//
if (!v.empty ())
{
for (;;)
{
if (ap != nullptr) // Must be that version, see above.
break;
// Otherwise, our only chance is that the already selected
// object is that exact version.
//
if (p != nullptr && p->version == v)
break; // Set ap to p below.
fail << "unknown package " << n << " " << v;
}
}
//
// No explicit version was specified by the user.
//
else
{
if (ap != nullptr)
{
// See if what we already have is newer.
//
if (p != nullptr && ap->id.version < p->version)
ap = nullptr; // Set ap to p below.
}
else
{
if (p == nullptr)
fail << "unknown package " << n;
// Set ap to p below.
}
}
// If the available_package object is still NULL, then it means
// we need to get one corresponding to the selected package.
//
if (ap == nullptr)
{
assert (p != nullptr);
// The package is in at least fetched state, which means we
// can get its manifest.
//
ap = make_shared<available_package> (
p->state == state::fetched
? pkg_verify (o, *p->archive)
: pkg_verify (*p->src_root));
}
level4 ([&]{trace << "building " << ap->id.name << " " << ap->version;});
pkgs.push_back (move (pkg));
}
t.commit ();
}
}
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