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// file : libbuild2/dist/init.cxx -*- C++ -*-
// copyright : Copyright (c) 2014-2019 Code Synthesis Ltd
// license : MIT; see accompanying LICENSE file
#include <libbuild2/dist/init.hxx>
#include <libbuild2/scope.hxx>
#include <libbuild2/file.hxx>
#include <libbuild2/diagnostics.hxx>
#include <libbuild2/config/utility.hxx>
#include <libbuild2/dist/rule.hxx>
#include <libbuild2/dist/module.hxx>
#include <libbuild2/dist/operation.hxx>
using namespace std;
using namespace butl;
namespace build2
{
namespace dist
{
static const rule rule_;
bool
boot (scope& rs, const location&, module_boot_extra& extra)
{
tracer trace ("dist::boot");
l5 ([&]{trace << "for " << rs;});
// Register the meta-operation.
//
rs.insert_meta_operation (dist_id, mo_dist);
// Enter module variables. Do it during boot in case they get assigned
// in bootstrap.build (which is customary for, e.g., dist.package).
//
auto& vp (rs.var_pool ());
// Note: some overridable, some not.
//
// config.dist.archives is a list of archive extensions (e.g., zip,
// tar.gz) that can be optionally prefixed with a directory. If it is
// relative, then it is prefixed with config.dist.root. Otherwise, the
// archive is written to the absolute location.
//
// config.dist.checksums is a list of archive checksum extensions (e.g.,
// sha1, sha256) that can also be optionally prefixed with a directory
// with the same semantics as config.dist.archives. If the directory is
// absent, then the checksum file is written into the same directory as
// the corresponding archive.
//
vp.insert<abs_dir_path> ("config.dist.root", true);
vp.insert<paths> ("config.dist.archives", true);
vp.insert<paths> ("config.dist.checksums", true);
vp.insert<path> ("config.dist.cmd", true);
// Allow distribution of uncommitted projects. This is enforced by the
// version module.
//
vp.insert<bool> ("config.dist.uncommitted", true);
vp.insert<dir_path> ("dist.root");
vp.insert<process_path> ("dist.cmd");
vp.insert<paths> ("dist.archives");
vp.insert<paths> ("dist.checksums");
vp.insert<paths> ("dist.uncommitted");
vp.insert<bool> ("dist", variable_visibility::target); // Flag.
// Project's package name.
//
auto& v_d_p (
vp.insert<string> ("dist.package", variable_visibility::project));
// Create the module.
//
extra.set_module (new module (v_d_p));
return false;
}
bool
init (scope& rs,
scope&,
const location& l,
bool first,
bool,
module_init_extra&)
{
tracer trace ("dist::init");
if (!first)
{
warn (l) << "multiple dist module initializations";
return true;
}
l5 ([&]{trace << "for " << rs;});
// Register our wildcard rule. Do it explicitly for the alias to prevent
// something like insert<target>(dist_id, test_id) taking precedence.
//
rs.insert_rule<target> (dist_id, 0, "dist", rule_);
rs.insert_rule<alias> (dist_id, 0, "dist.alias", rule_); //@@ outer?
// Configuration.
//
// Note that we don't use any defaults for root -- the location
// must be explicitly specified or we will complain if and when
// we try to dist.
//
bool s (config::specified (rs, "dist"));
// Adjust module priority so that the config.dist.* values are saved at
// the end of config.build.
//
if (s)
config::save_module (rs, "dist", INT32_MAX);
// dist.root
//
{
value& v (rs.assign ("dist.root"));
if (s)
{
if (lookup l = config::optional (rs, "config.dist.root"))
v = cast<dir_path> (l); // Strip abs_dir_path.
}
}
// dist.cmd
//
{
value& v (rs.assign<process_path> ("dist.cmd"));
if (s)
{
if (lookup l = config::required (rs,
"config.dist.cmd",
path ("install")).first)
v = run_search (cast<path> (l), true);
}
}
// dist.archives
// dist.checksums
//
{
value& a (rs.assign ("dist.archives"));
value& c (rs.assign ("dist.checksums"));
if (s)
{
if (lookup l = config::optional (rs, "config.dist.archives"))
a = *l;
if (lookup l = config::optional (rs, "config.dist.checksums"))
{
c = *l;
if (!c.empty () && (!a || a.empty ()))
fail << "config.dist.checksums specified without "
<< "config.dist.archives";
}
}
}
// dist.uncommitted
//
// Omit it from the configuration unless specified.
//
config::omitted (rs, "config.dist.uncommitted");
return true;
}
static const module_functions mod_functions[] =
{
{"dist", &boot, &init},
{nullptr, nullptr, nullptr}
};
const module_functions*
build2_dist_load ()
{
return mod_functions;
}
}
}
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