dwarf-fortress-wrapper: add themes support

Theme can be specified either as a derivation or as a string, in which
case it will be taken by name from a pre-defined set of themes available in
nixpkgs.

1 files changed, 9 insertions, 11 deletions

diff --git a/pkgs/games/dwarf-fortress/wrapper/dwarf-fortress-init.in b/pkgs/games/dwarf-fortress/wrapper/dwarf-fortress-init.in
index ac59934f767d1..1fd6178895db2 100644
--- a/pkgs/games/dwarf-fortress/wrapper/dwarf-fortress-init.in
+++ b/pkgs/games/dwarf-fortress/wrapper/dwarf-fortress-init.in
@@ -1,27 +1,25 @@
 shopt -s extglob
 
 [ -z "$DF_DIR" ] && DF_DIR="${XDG_DATA_HOME:-$HOME/.local/share}/df_linux"
-game_dir="@dwarfFortress@"
+env_dir="@env@"
 
 update_path() {
-  local pkg_dir="$1"
-  local path="$2"
+  local path="$1"
 
   mkdir -p "$DF_DIR/$(dirname "$path")"
   # If user has replaced these data directories, let them stay.
   if [ ! -e "$DF_DIR/$path" ] || [ -L "$DF_DIR/$path" ]; then
     rm -f "$DF_DIR/$path"
-    ln -s "$pkg_dir/$path" "$DF_DIR/$path"
+    ln -s "$env_dir/$path" "$DF_DIR/$path"
   fi
 }
 
 forcecopy_path() {
-  local pkg_dir="$1"
-  local path="$2"
+  local path="$1"
 
   mkdir -p "$DF_DIR/$(dirname "$path")"
   rm -rf "$DF_DIR/$path"
-  cp -rL --no-preserve=all "$pkg_dir/$path" "$DF_DIR/$path"
+  cp -rL --no-preserve=all "$env_dir/$path" "$DF_DIR/$path"
 }
 
 mkdir -p "$DF_DIR"
@@ -33,11 +31,11 @@ We try to detect changes based on data directories being symbolic links -- keep
 
 EOF
 
-cd "$game_dir"
+cd "$env_dir"
 for i in data/init/* data/!(init|index|announcement) raw; do
-  update_path "$game_dir" "$i"
+  update_path "$i"
 done
 
-forcecopy_path "$game_dir" data/index
+forcecopy_path data/index
 # For some reason, it's needed to be writable...
-forcecopy_path "$game_dir" data/announcement
+forcecopy_path data/announcement