fix bugs in thmtools option not being set properly

src/environments/groupthm.pysty3

@@ -83,7 +83,7 @@ __HEADER__(Grouping theorems for easier customization.)
     mapname      .clist_set:N   = \l_groupthm_mapname_clist,
     mapname      .default:n     = {},
     mapname      .groups:n      = { theoremgroup },
-    thmtools     .clist_set:N   = \l_groupthm_thmtools_clist,
+    thmtools     .clist_set:N   = \l_groupthm_key_thmtools_clist,
     thmtools     .default:n     = {},
     thmtools     .groups:n      = { theoremgroup, groupedtheorem, theoremvariants },
     unknown      .code:n        = \msg_error:nnn { groupthm } { unknown ~ group } { \l_keys_key_str }
@@ -133,8 +133,8 @@ __HEADER__(Grouping theorems for easier customization.)
   \new_theorem_group:nVVVV { #1 }
     \l_groupthm_key_prename_tl
     \l_groupthm_key_postname_tl
-    \l_groupthm_mapname_clist
-    \l_groupthm_thmtools_clist
+    \l_groupthm_key_mapname_clist
+    \l_groupthm_key_thmtools_clist
 }
 
 \NewDocumentCommand{\NewTheoremGroup}{ O{} m }
@@ -233,7 +233,6 @@ __HEADER__(Grouping theorems for easier customization.)
 }
 
 
-
 %% Rules for different theorem groups
 
 \cs_generate_variant:Nn \hook_gset_rule:nnnn { n n V n }
@@ -263,9 +262,6 @@ __HEADER__(Grouping theorems for easier customization.)
 }
 
 
-
-
-
 %%% Hacks for sorting groupnames
 
 \cs_new:Npn \__add_to_sort_hook:n #1
@@ -279,17 +275,10 @@ __HEADER__(Grouping theorems for easier customization.)
 
 \cs_new:Npn \__sort_group_names:
 {
-
-%  \tl_show:n { sorting}
-%  \clist_show:N \l_groupthm_group_clist
-
   \hook_gremove_code:nn { groupthm / groupsort  }{*}
   \clist_map_function:NN \l_groupthm_group_clist \__add_to_sort_hook:n
   \clist_clear:N \l_groupthm_group_clist
-%  \ShowHook { groupthm / groupsort }
   \hook_use:n { groupthm / groupsort }
-
-%  \clist_show:N \l_groupthm_group_clist
 }
 
 
@@ -305,9 +294,6 @@ __HEADER__(Grouping theorems for easier customization.)
   {
     \__sort_group_names:
 
-%    \tl_show:n { Generating new theorem variant }
-%    \clist_show:N \l_groupthm_group_clist
-
     \new_grouped_theorem:xVnn
       {__#1__groups_\clist_use:Nn \l_groupthm_group_clist {_}}
       \l_groupthm_group_clist
@@ -336,7 +322,6 @@ __HEADER__(Grouping theorems for easier customization.)
     }
 
   \clist_set_eq:NN \l_groupthm_group_clist \l_groupthm_key_group_clist
-
   \clist_put_left:Nn \l_groupthm_group_clist { starred }
 
   \generate_theorem_variants:nVVV

tests/environments/groupthm/test.tex

@@ -1,6 +1,7 @@
 \documentclass{article}
 
 \usepackage[enable-debug]{expl3}
+\usepackage[default styles]{mkessler-thmstyle}
 
 \ExplSyntaxOn
 \debug_on:n { all }
@@ -8,7 +9,25 @@
 
 \usepackage{mkessler-groupthm}
 
-\GenerateTheoremVariants[ group = {star, dagger} ]{example}
+\mdfdefinestyle{green}{
+  linecolor=green,
+  linewidth = 2pt,
+  leftmargin = 0cm,
+  rightmargin=0cm,
+  rightline=false,
+  topline=false,
+  bottomline=false
+}
+
+\declaretheoremstyle[
+  mdframed={style=green}
+]{green}
+
+\GenerateTheoremVariants
+[
+  group = {star, dagger},
+  thmtools = { style = thmgreenmargin }
+]{example}
 
 \DeclareTheoremVariants{example} { !s !t+ }
 {