Add --chroot-path

5 files changed, 30 insertions, 6 deletions

diff --git a/paludis/resolver/find_repository_for_helper.cc b/paludis/resolver/find_repository_for_helper.cc
index 16e7a81..82d29e0 100644
--- a/paludis/resolver/find_repository_for_helper.cc
+++ b/paludis/resolver/find_repository_for_helper.cc
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2010, 2011, 2013 Ciaran McCreesh
+ * Copyright (c) 2010, 2011, 2013, 2014 Ciaran McCreesh
  *
  * This file is part of the Paludis package manager. Paludis is free software;
  * you can redistribute it and/or modify it under the terms of the GNU General
@@ -33,6 +33,8 @@
 #include <paludis/environment.hh>
 #include <paludis/repository.hh>
 
+#include <memory>
+
 using namespace paludis;
 using namespace paludis::resolver;
 
@@ -42,6 +44,7 @@ namespace paludis
     struct Imp<FindRepositoryForHelper>
     {
         const Environment * const env;
+        std::unique_ptr<const FSPath> chroot_path;
 
         Imp(const Environment * const e) :
             env(e)
@@ -83,8 +86,14 @@ FindRepositoryForHelper::operator() (
                 break;
 
             case dt_install_to_chroot:
-                if ((! (*r)->installed_root_key()) || ((*r)->installed_root_key()->parse_value() == _imp->env->system_root_key()->parse_value()))
-                    continue;
+                if (_imp->chroot_path) {
+                    if ((! (*r)->installed_root_key()) || ((*r)->installed_root_key()->parse_value() != *_imp->chroot_path))
+                        continue;
+                }
+                else {
+                    if ((! (*r)->installed_root_key()) || ((*r)->installed_root_key()->parse_value() == _imp->env->system_root_key()->parse_value()))
+                        continue;
+                }
                 break;
 
             case dt_create_binary:
@@ -125,7 +134,14 @@ FindRepositoryForHelper::operator() (
     return result;
 }
 
+void
+FindRepositoryForHelper::set_chroot_path(const FSPath & p)
+{
+    _imp->chroot_path.reset(new FSPath(p));
+}
+
 namespace paludis
 {
     template class Pimp<FindRepositoryForHelper>;
 }
+
diff --git a/paludis/resolver/find_repository_for_helper.hh b/paludis/resolver/find_repository_for_helper.hh
index e4e7d63..34cb544 100644
--- a/paludis/resolver/find_repository_for_helper.hh
+++ b/paludis/resolver/find_repository_for_helper.hh
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2010, 2011 Ciaran McCreesh
+ * Copyright (c) 2010, 2011, 2014 Ciaran McCreesh
  *
  * This file is part of the Paludis package manager. Paludis is free software;
  * you can redistribute it and/or modify it under the terms of the GNU General
@@ -25,6 +25,7 @@
 #include <paludis/resolver/decision-fwd.hh>
 #include <paludis/util/pimp.hh>
 #include <paludis/util/attributes.hh>
+#include <paludis/util/fs_path-fwd.hh>
 #include <paludis/environment-fwd.hh>
 #include <paludis/repository-fwd.hh>
 #include <memory>
@@ -42,6 +43,8 @@ namespace paludis
                 explicit FindRepositoryForHelper(const Environment * const);
                 ~FindRepositoryForHelper();
 
+                void set_chroot_path(const FSPath &);
+
                 const std::shared_ptr<const Repository> operator() (
                         const std::shared_ptr<const Resolution> &,
                         const ChangesToMakeDecision &) const;
diff --git a/src/clients/cave/resolve_cmdline.cc b/src/clients/cave/resolve_cmdline.cc
index f60c2bd..b689515 100644
--- a/src/clients/cave/resolve_cmdline.cc
+++ b/src/clients/cave/resolve_cmdline.cc
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2009, 2010, 2011 Ciaran McCreesh
+ * Copyright (c) 2009, 2010, 2011, 2014 Ciaran McCreesh
  *
  * This file is part of the Paludis package manager. Paludis is free software;
  * you can redistribute it and/or modify it under the terms of the GNU General
@@ -295,6 +295,8 @@ ResolveCommandLineResolutionOptions::ResolveCommandLineResolutionOptions(args::A
             "all"),
     a_one_binary_per_slot(&g_destination_options, "one-binary-per-slot", '\0', "When building a binary package, "
             "remove other versions in the same repository and slot (as would be done for non-binary packages).", true),
+    a_chroot_path(&g_destination_options, "chroot-path", '\0', "When making a chroot, only consider destination "
+            "repositories whose root is this value."),
 
 //    g_query_options(this, "Query Options", "Query the user interactively when making decisions. "
 //            "If only --query is specified, prompt for everything. Otherwise, prompt only for the specified decisions."),
diff --git a/src/clients/cave/resolve_cmdline.hh b/src/clients/cave/resolve_cmdline.hh
index 9631e94..4edaf22 100644
--- a/src/clients/cave/resolve_cmdline.hh
+++ b/src/clients/cave/resolve_cmdline.hh
@@ -1,7 +1,7 @@
 /* vim: set sw=4 sts=4 et foldmethod=syntax : */
 
 /*
- * Copyright (c) 2009, 2010, 2011 Ciaran McCreesh
+ * Copyright (c) 2009, 2010, 2011, 2014 Ciaran McCreesh
  *
  * This file is part of the Paludis package manager. Paludis is free software;
  * you can redistribute it and/or modify it under the terms of the GNU General
@@ -103,6 +103,7 @@ namespace paludis
             args::StringSetArg a_via_binary;
             args::EnumArg a_dependencies_to_slash;
             args::SwitchArg a_one_binary_per_slot;
+            args::StringArg a_chroot_path;
 
 //            args::ArgsGroup g_query_options;
 //            args::SwitchArg a_query;
diff --git a/src/clients/cave/resolve_common.cc b/src/clients/cave/resolve_common.cc
index 4e8c233..fe1cb8f 100644
--- a/src/clients/cave/resolve_common.cc
+++ b/src/clients/cave/resolve_common.cc
@@ -831,6 +831,8 @@ paludis::cave::resolve_common(
     find_replacing_helper.set_one_binary_per_slot(resolution_options.a_one_binary_per_slot.specified());
 
     FindRepositoryForHelper find_repository_for_helper(env.get());
+    if (resolution_options.a_chroot_path.specified())
+        find_repository_for_helper.set_chroot_path(FSPath(resolution_options.a_chroot_path.argument()));
 
     GetConstraintsForDependentHelper get_constraints_for_dependent_helper(env.get());
     for (args::StringSetArg::ConstIterator i(resolution_options.a_less_restrictive_remove_blockers.begin_args()),