4 files changed, 77 insertions, 0 deletions
diff --git a/source/blender/blenkernel/BKE_appdir.h b/source/blender/blenkernel/BKE_appdir.h
index 7ff8514f675..e956aeb769a 100644
--- a/source/blender/blenkernel/BKE_appdir.h
+++ b/source/blender/blenkernel/BKE_appdir.h
@@ -36,6 +36,7 @@ const char *BKE_appdir_folder_id_version(const int folder_id, const int ver, con
 bool BKE_appdir_app_is_portable_install(void);
 bool BKE_appdir_app_template_any(void);
 bool BKE_appdir_app_template_id_search(const char *app_template, char *path, size_t path_len);
+bool BKE_appdir_app_template_has_userpref(const char *app_template);
 void BKE_appdir_app_templates(struct ListBase *templates);
 
 /* Initialize path to program executable */
diff --git a/source/blender/blenkernel/BKE_blendfile.h b/source/blender/blenkernel/BKE_blendfile.h
index 216bef0d1e3..76c05b0411a 100644
--- a/source/blender/blenkernel/BKE_blendfile.h
+++ b/source/blender/blenkernel/BKE_blendfile.h
@@ -62,6 +62,8 @@ struct UserDef *BKE_blendfile_userdef_read_from_memory(const void *filebuf,
 bool BKE_blendfile_userdef_write(const char *filepath, struct ReportList *reports);
 bool BKE_blendfile_userdef_write_app_template(const char *filepath, struct ReportList *reports);
 
+bool BKE_blendfile_userdef_write_all(struct ReportList *reports);
+
 struct WorkspaceConfigFileData *BKE_blendfile_workspace_config_read(const char *filepath,
                                                                     const void *filebuf,
                                                                     int filelength,
diff --git a/source/blender/blenkernel/intern/appdir.c b/source/blender/blenkernel/intern/appdir.c
index 2b4123c74e2..c1ea57c5fcc 100644
--- a/source/blender/blenkernel/intern/appdir.c
+++ b/source/blender/blenkernel/intern/appdir.c
@@ -838,6 +838,26 @@ bool BKE_appdir_app_template_id_search(const char *app_template, char *path, siz
   return false;
 }
 
+bool BKE_appdir_app_template_has_userpref(const char *app_template)
+{
+  /* Test if app template provides a userpref.blend.
+   * If not, we will share user preferences with the rest of Blender. */
+  if (!app_template && app_template[0]) {
+    return false;
+  }
+
+  char app_template_path[FILE_MAX];
+  if (!BKE_appdir_app_template_id_search(
+          app_template, app_template_path, sizeof(app_template_path))) {
+    return false;
+  }
+
+  char userpref_path[FILE_MAX];
+  BLI_path_join(
+      userpref_path, sizeof(userpref_path), app_template_path, BLENDER_USERPREF_FILE, NULL);
+  return BLI_exists(userpref_path);
+}
+
 void BKE_appdir_app_templates(ListBase *templates)
 {
   BLI_listbase_clear(templates);
diff --git a/source/blender/blenkernel/intern/blendfile.c b/source/blender/blenkernel/intern/blendfile.c
index d1a3045a829..f54d938c0ca 100644
--- a/source/blender/blenkernel/intern/blendfile.c
+++ b/source/blender/blenkernel/intern/blendfile.c
@@ -566,6 +566,60 @@ bool BKE_blendfile_userdef_write_app_template(const char *filepath, ReportList *
   return ok;
 }
 
+bool BKE_blendfile_userdef_write_all(ReportList *reports)
+{
+  char filepath[FILE_MAX];
+  const char *cfgdir;
+  bool ok = true;
+  const bool use_template_userpref = BKE_appdir_app_template_has_userpref(U.app_template);
+
+  if ((cfgdir = BKE_appdir_folder_id_create(BLENDER_USER_CONFIG, NULL))) {
+    bool ok_write;
+    BLI_path_join(filepath, sizeof(filepath), cfgdir, BLENDER_USERPREF_FILE, NULL);
+
+    printf("Writing userprefs: '%s' ", filepath);
+    if (use_template_userpref) {
+      ok_write = BKE_blendfile_userdef_write_app_template(filepath, reports);
+    }
+    else {
+      ok_write = BKE_blendfile_userdef_write(filepath, reports);
+    }
+
+    if (ok_write) {
+      printf("ok\n");
+    }
+    else {
+      printf("fail\n");
+      ok = false;
+    }
+  }
+  else {
+    BKE_report(reports, RPT_ERROR, "Unable to create userpref path");
+  }
+
+  if (use_template_userpref) {
+    if ((cfgdir = BKE_appdir_folder_id_create(BLENDER_USER_CONFIG, U.app_template))) {
+      /* Also save app-template prefs */
+      BLI_path_join(filepath, sizeof(filepath), cfgdir, BLENDER_USERPREF_FILE, NULL);
+
+      printf("Writing userprefs app-template: '%s' ", filepath);
+      if (BKE_blendfile_userdef_write(filepath, reports) != 0) {
+        printf("ok\n");
+      }
+      else {
+        printf("fail\n");
+        ok = false;
+      }
+    }
+    else {
+      BKE_report(reports, RPT_ERROR, "Unable to create app-template userpref path");
+      ok = false;
+    }
+  }
+
+  return ok;
+}
+
 WorkspaceConfigFileData *BKE_blendfile_workspace_config_read(const char *filepath,
                                                              const void *filebuf,
                                                              int filelength,