repositories: pull action option destination into a variable

This pulls the destination out into a variable since its often used.  NFC.

3 files changed, 42 insertions, 34 deletions

diff --git a/paludis/repositories/e/do_install_action.cc b/paludis/repositories/e/do_install_action.cc
index 6fa587b..5730e2e 100644
--- a/paludis/repositories/e/do_install_action.cc
+++ b/paludis/repositories/e/do_install_action.cc
@@ -219,6 +219,7 @@ paludis::erepository::do_install_action(
     auto choices(id->choices_key()->parse_value());
     auto work_choice(choices->find_by_name_with_prefix(ELikeWorkChoiceValue::canonical_name_with_prefix()));
     auto volatile_files(std::make_shared<FSPathSet>());
+    auto destination = install_action.options.destination();
 
     EAPIPhases phases(id->eapi()->supported()->ebuild_phases()->ebuild_install());
     for (EAPIPhases::ConstIterator phase(phases.begin_phases()), phase_end(phases.end_phases()) ;
@@ -264,9 +265,9 @@ paludis::erepository::do_install_action(
 
         if (phase->option("merge") || phase->option("check_merge"))
         {
-            if (! (*install_action.options.destination()).destination_interface())
+            if (! destination->destination_interface())
                 throw ActionFailedError("Can't install '" + stringify(*id)
-                        + "' to destination '" + stringify(install_action.options.destination()->name())
+                        + "' to destination '" + stringify(destination->name())
                         + "' because destination does not provide destination_interface");
 
             MergerOptions extra_merger_options;
@@ -274,7 +275,7 @@ paludis::erepository::do_install_action(
                 extra_merger_options += mo_nondestructive;
 
             Timestamp build_start_time(FSPath(package_builddir / "temp" / "build_start_time").stat().mtim());
-            (*install_action.options.destination()).destination_interface()->merge(
+            destination->destination_interface()->merge(
                     make_named_values<MergeParams>(
                         n::build_start_time() = build_start_time,
                         n::check() = phase->option("check_merge"),
@@ -303,12 +304,12 @@ paludis::erepository::do_install_action(
                     auto vstat = vabs.stat();
                     if (! vstat.is_regular_file_or_symlink_to_regular_file())
                         throw ActionFailedError("Can't install '" + stringify(*id)
-                                + "' to destination '" + stringify(install_action.options.destination()->name())
+                                + "' to destination '" + stringify(destination->name())
                                 + "' because '" + stringify(v) + "' was marked using exvolatile, but it is not a regular "
                                 "file or a symlink to a regular file");
                     if (vstat.is_symlink() && 0 == vabs.readlink().compare(0, 1, "/", 0, 1))
                         throw ActionFailedError("Can't install '" + stringify(*id)
-                                + "' to destination '" + stringify(install_action.options.destination()->name())
+                                + "' to destination '" + stringify(destination->name())
                                 + "' because '" + stringify(v) + "' was marked using exvolatile, but volatile symlinks"
                                 "must not be absolute");
                 }
@@ -319,8 +320,9 @@ paludis::erepository::do_install_action(
             if ((! id->eapi()->supported()->is_pbin()) && (! strip_restrict))
             {
                 std::string libdir("lib");
-                FSPath root(install_action.options.destination()->installed_root_key() ?
-                        stringify(install_action.options.destination()->installed_root_key()->parse_value()) : "/");
+                FSPath root(destination->installed_root_key()
+                                ? stringify(destination->installed_root_key()->parse_value())
+                                : "/");
                 if ((root / "usr" / "lib").stat().is_symlink())
                 {
                     libdir = (root / "usr" / "lib").readlink();
@@ -350,8 +352,8 @@ paludis::erepository::do_install_action(
             }
         }
         else if ((! phase->option("prepost")) ||
-                ((*install_action.options.destination()).destination_interface() &&
-                 (*install_action.options.destination()).destination_interface()->want_pre_post_phases()))
+                (destination->destination_interface() &&
+                 destination->destination_interface()->want_pre_post_phases()))
         {
             if (phase->option("optional_tests"))
             {
@@ -403,9 +405,9 @@ paludis::erepository::do_install_action(
                     n::portdir() =
                         (params.master_repositories() && ! params.master_repositories()->empty()) ?
                         (*params.master_repositories()->begin())->params().location() : params.location(),
-                    n::root() = install_action.options.destination()->installed_root_key() ?
-                        stringify(install_action.options.destination()->installed_root_key()->parse_value()) :
-                        "/",
+                    n::root() = destination->installed_root_key()
+                                    ? stringify(destination->installed_root_key()->parse_value())
+                                    : "/",
                     n::sandbox() = phase->option("sandbox"),
                     n::sydbox() = phase->option("sydbox"),
                     n::userpriv() = phase->option("userpriv") && userpriv_ok,
@@ -419,7 +421,7 @@ paludis::erepository::do_install_action(
                             n::accept_license() = accept_license,
                             n::config_protect() = repo->environment_updated_profile_variable("CONFIG_PROTECT"),
                             n::config_protect_mask() = repo->environment_updated_profile_variable("CONFIG_PROTECT_MASK"),
-                            n::destination() = install_action.options.destination(),
+                            n::destination() = destination,
                             n::expand_vars() = expand_vars,
                             n::is_from_pbin() = id->eapi()->supported()->is_pbin(),
                             n::loadsaveenv_dir() = package_builddir / "temp",
@@ -467,9 +469,9 @@ paludis::erepository::do_install_action(
                                         (params.master_repositories() && ! params.master_repositories()->empty())
                                             ? (*params.master_repositories()->begin())->params().location()
                                             : params.location(),
-                                    n::root() = install_action.options.destination()->installed_root_key() ?
-                                    stringify(install_action.options.destination()->installed_root_key()->parse_value()) :
-                                    "/",
+                                    n::root() = destination->installed_root_key()
+                                                    ?  stringify(destination->installed_root_key()->parse_value())
+                                                    : "/",
                                     n::sandbox() = tidyup_phase->option("sandbox"),
                                     n::sydbox() = tidyup_phase->option("sydbox"),
                                     n::userpriv() = tidyup_phase->option("userpriv") && userpriv_ok,
@@ -483,7 +485,7 @@ paludis::erepository::do_install_action(
                                     n::accept_license() = accept_license,
                                     n::config_protect() = repo->environment_updated_profile_variable("CONFIG_PROTECT"),
                                     n::config_protect_mask() = repo->environment_updated_profile_variable("CONFIG_PROTECT_MASK"),
-                                    n::destination() = install_action.options.destination(),
+                                    n::destination() = destination,
                                     n::expand_vars() = expand_vars,
                                     n::is_from_pbin() = id->eapi()->supported()->is_pbin(),
                                     n::loadsaveenv_dir() = package_builddir / "temp",
@@ -507,7 +509,7 @@ paludis::erepository::do_install_action(
     }
 
     /* replacing for pbins is done during the merge */
-    if (install_action.options.destination()->installed_root_key())
+    if (destination->installed_root_key())
         for (PackageIDSequence::ConstIterator i(install_action.options.replacing()->begin()), i_end(install_action.options.replacing()->end()) ;
                 i != i_end ; ++i)
         {
diff --git a/paludis/repositories/e/do_pretend_action.cc b/paludis/repositories/e/do_pretend_action.cc
index 4512cd8..3994e9a 100644
--- a/paludis/repositories/e/do_pretend_action.cc
+++ b/paludis/repositories/e/do_pretend_action.cc
@@ -105,6 +105,7 @@ paludis::erepository::do_pretend_action(
 
                 const auto params = repo->params();
                 const auto profile = repo->profile();
+                const auto destination = a.options.destination();
 
                 EbuildCommandParams command_params(make_named_values<EbuildCommandParams>(
                             n::builddir() = params.builddir(),
@@ -125,9 +126,9 @@ paludis::erepository::do_pretend_action(
                             n::portdir() =
                                 (params.master_repositories() && ! params.master_repositories()->empty()) ?
                                 (*params.master_repositories()->begin())->params().location() : params.location(),
-                            n::root() = a.options.destination()->installed_root_key() ?
-                                stringify(a.options.destination()->installed_root_key()->parse_value()) :
-                                "/",
+                            n::root() = destination->installed_root_key()
+                                            ? stringify(destination->installed_root_key()->parse_value())
+                                            : "/",
                             n::sandbox() = phase->option("sandbox"),
                             n::sydbox() = phase->option("sydbox"),
                             n::userpriv() = phase->option("userpriv") && userpriv_ok,
@@ -172,6 +173,7 @@ paludis::erepository::do_pretend_action(
 
                 const auto params = repo->params();
                 const auto profile = repo->profile();
+                const auto destination = a.options.destination();
 
                 EbuildCommandParams command_params(make_named_values<EbuildCommandParams>(
                             n::builddir() = params.builddir(),
@@ -193,9 +195,9 @@ paludis::erepository::do_pretend_action(
                                 (params.master_repositories() && ! params.master_repositories()->empty())
                                     ? (*params.master_repositories()->begin())->params().location()
                                     : params.location(),
-                            n::root() = a.options.destination()->installed_root_key() ?
-                                stringify(a.options.destination()->installed_root_key()->parse_value()) :
-                                "/",
+                            n::root() = destination->installed_root_key()
+                                            ? stringify(destination->installed_root_key()->parse_value())
+                                            : "/",
                             n::sandbox() = phase->option("sandbox"),
                             n::sydbox() = phase->option("sydbox"),
                             n::userpriv() = phase->option("userpriv") && userpriv_ok,
@@ -238,6 +240,7 @@ paludis::erepository::do_pretend_action(
 
         const auto params = repo->params();
         const auto profile = repo->profile();
+        const auto destination = a.options.destination();
 
         EbuildCommandParams command_params(make_named_values<EbuildCommandParams>(
                 n::builddir() = params.builddir(),
@@ -259,9 +262,9 @@ paludis::erepository::do_pretend_action(
                     (params.master_repositories() && ! params.master_repositories()->empty())
                         ? (*params.master_repositories()->begin())->params().location()
                         : params.location(),
-                n::root() = a.options.destination()->installed_root_key() ?
-                    stringify(a.options.destination()->installed_root_key()->parse_value()) :
-                    "/",
+                n::root() = destination->installed_root_key()
+                                ? stringify(destination->installed_root_key()->parse_value())
+                                : "/",
                 n::sandbox() = phase->option("sandbox"),
                 n::sydbox() = phase->option("sydbox"),
                 n::userpriv() = phase->option("userpriv") && userpriv_ok,
@@ -270,7 +273,7 @@ paludis::erepository::do_pretend_action(
 
         EbuildPretendCommand pretend_cmd(command_params,
                 make_named_values<EbuildPretendCommandParams>(
-                    n::destination() = a.options.destination(),
+                    n::destination() = destination,
                     n::expand_vars() = expand_vars,
                     n::is_from_pbin() = id->eapi()->supported()->is_pbin(),
                     n::profiles() = params.profiles(),
diff --git a/paludis/repositories/unpackaged/unpackaged_id.cc b/paludis/repositories/unpackaged/unpackaged_id.cc
index 1fdea2a..118ece8 100644
--- a/paludis/repositories/unpackaged/unpackaged_id.cc
+++ b/paludis/repositories/unpackaged/unpackaged_id.cc
@@ -344,16 +344,19 @@ UnpackagedID::perform_action(Action & action) const
     if (! install_action)
         throw ActionFailedError("Unsupported action: " + action.simple_name());
 
-    if (! (*install_action->options.destination()).destination_interface())
+    const auto destination = install_action->options.destination();
+
+    if (! destination->destination_interface())
         throw ActionFailedError("Can't install '" + stringify(*this)
-                + "' to destination '" + stringify(install_action->options.destination()->name())
+                + "' to destination '" + stringify(destination->name())
                 + "' because destination does not provide destination_interface");
 
     std::shared_ptr<OutputManager> output_manager(install_action->options.make_output_manager()(*install_action));
 
     std::string libdir("lib");
-    FSPath root(install_action->options.destination()->installed_root_key() ?
-            stringify(install_action->options.destination()->installed_root_key()->parse_value()) : "/");
+    FSPath root(destination->installed_root_key()
+                    ? stringify(destination->installed_root_key()->parse_value())
+                    : "/");
     if ((root / "usr" / "lib").stat().is_symlink())
     {
         libdir = (root / "usr" / "lib").readlink();
@@ -428,7 +431,7 @@ UnpackagedID::perform_action(Action & action) const
         case wp_yes:
             {
                 merge_params.check() = true;
-                (*install_action->options.destination()).destination_interface()->merge(merge_params);
+                destination->destination_interface()->merge(merge_params);
             }
             break;
 
@@ -447,7 +450,7 @@ UnpackagedID::perform_action(Action & action) const
         case wp_yes:
             {
                 merge_params.check() = false;
-                (*install_action->options.destination()).destination_interface()->merge(merge_params);
+                destination->destination_interface()->merge(merge_params);
             }
             break;