[gnome-builder] plugins: Set builddir explicitly

[Christian Hergert <chergert src gnome org>]

commit c35b657cff52dca28093c1d339e1cb16b5a42423
Author: JCWasmx86 <JCWasmx86 t-online de>
Date:   Sat Jul 16 11:07:46 2022 +0200

    plugins: Set builddir explicitly
    
    For maven and gradle

 src/plugins/gradle/gbp-gradle-build-system.c | 8 ++++++++
 src/plugins/maven/gbp-maven-build-system.c   | 8 ++++++++
 2 files changed, 16 insertions(+)
---
diff --git a/src/plugins/gradle/gbp-gradle-build-system.c b/src/plugins/gradle/gbp-gradle-build-system.c
index bdbc61de7..b87d9087c 100644
--- a/src/plugins/gradle/gbp-gradle-build-system.c
+++ b/src/plugins/gradle/gbp-gradle-build-system.c
@@ -54,12 +54,20 @@ gbp_gradle_build_system_get_priority (IdeBuildSystem *build_system)
   return 2000;
 }
 
+static gchar *
+gbp_gradle_build_system_get_builddir (IdeBuildSystem *build_system,
+                                      IdePipeline    *pipeline)
+{
+  return g_strdup (ide_pipeline_get_srcdir (pipeline));
+}
+
 static void
 build_system_iface_init (IdeBuildSystemInterface *iface)
 {
   iface->get_id = gbp_gradle_build_system_get_id;
   iface->get_display_name = gbp_gradle_build_system_get_display_name;
   iface->get_priority = gbp_gradle_build_system_get_priority;
+  iface->get_builddir = gbp_gradle_build_system_get_builddir;
 }
 
 G_DEFINE_FINAL_TYPE_WITH_CODE (GbpGradleBuildSystem, gbp_gradle_build_system, IDE_TYPE_OBJECT,
diff --git a/src/plugins/maven/gbp-maven-build-system.c b/src/plugins/maven/gbp-maven-build-system.c
index dd762ec1f..ae26f883d 100644
--- a/src/plugins/maven/gbp-maven-build-system.c
+++ b/src/plugins/maven/gbp-maven-build-system.c
@@ -54,12 +54,20 @@ gbp_maven_build_system_get_priority (IdeBuildSystem *build_system)
   return 2000;
 }
 
+static gchar *
+gbp_maven_build_system_get_builddir (IdeBuildSystem *build_system,
+                                     IdePipeline    *pipeline)
+{
+  return g_strdup (ide_pipeline_get_srcdir (pipeline));
+}
+
 static void
 build_system_iface_init (IdeBuildSystemInterface *iface)
 {
   iface->get_id = gbp_maven_build_system_get_id;
   iface->get_display_name = gbp_maven_build_system_get_display_name;
   iface->get_priority = gbp_maven_build_system_get_priority;
+  iface->get_builddir = gbp_maven_build_system_get_builddir;
 }
 
 G_DEFINE_FINAL_TYPE_WITH_CODE (GbpMavenBuildSystem, gbp_maven_build_system, IDE_TYPE_OBJECT,