1 files changed, 46 insertions, 0 deletions
diff --git a/graphics/darktable/files/patch-git-5db7918176ca45a24e9ea5b2a7bdbce898343059 b/graphics/darktable/files/patch-git-5db7918176ca45a24e9ea5b2a7bdbce898343059
new file mode 100644
index 000000000000..cabdbe858e29
--- /dev/null
+++ b/graphics/darktable/files/patch-git-5db7918176ca45a24e9ea5b2a7bdbce898343059
@@ -0,0 +1,46 @@
+From 5db7918176ca45a24e9ea5b2a7bdbce898343059 Mon Sep 17 00:00:00 2001
+From: Mario Zimmermann <mail@zisoft.de>
+Date: Mon, 23 Jun 2025 13:36:33 +0200
+Subject: [PATCH] use full metadata tag name for variable substitution
+
+---
+ src/common/variables.c | 4 +---
+ src/gui/gtkentry.c     | 2 +-
+ 2 files changed, 2 insertions(+), 4 deletions(-)
+
+diff --git a/src/common/variables.c b/src/common/variables.c
+index b8deed704af0..2746a7cf8647 100644
+--- src/common/variables.c
++++ b/src/common/variables.c
+@@ -953,9 +953,8 @@ static char *_get_base_value(dt_variables_params_t *params, char **variable)
+     for(GList* iter = dt_metadata_get_list(); iter; iter = iter->next)
+     {
+       dt_metadata_t *metadata = (dt_metadata_t *)iter->data;
+-      gchar *prefix = g_utf8_strup(dt_metadata_get_tag_subkey(metadata->tagname), -1);
+       gboolean found = FALSE;
+-      if(_has_prefix(variable, prefix))
++      if(_has_prefix(variable, metadata->tagname))
+       {
+         GList *res = dt_metadata_get(params->imgid, metadata->tagname, NULL);
+         if(res != NULL)
+@@ -963,7 +962,6 @@ static char *_get_base_value(dt_variables_params_t *params, char **variable)
+         g_list_free_full(res, g_free);
+         found = TRUE;
+       }
+-      g_free(prefix);
+       if(found) break;
+     }
+     dt_pthread_mutex_unlock(&darktable.metadata_threadsafe);
+diff --git a/src/gui/gtkentry.c b/src/gui/gtkentry.c
+index b4acc9ccc8ad..db200eff47a9 100644
+--- src/gui/gtkentry.c
++++ b/src/gui/gtkentry.c
+@@ -291,7 +291,7 @@ void dt_gtkentry_variables_add_metadata(dt_metadata_t *metadata)
+ {
+   GtkTreeIter iter;
+ 
+-  gchar *varname = g_utf8_strup(dt_metadata_get_tag_subkey(metadata->tagname), -1);
++  gchar *varname = g_strdup(metadata->tagname);
+   gchar *description = g_strdup_printf("$(%s) - %s", varname, _("from metadata"));
+   gtk_list_store_append(_completion_model, &iter);
+   gtk_list_store_set(_completion_model, &iter,