nix: nimble path script remove excluded nim packages

nix/default.nix

@@ -62,6 +62,7 @@ in stdenv.mkDerivation rec {
   ANDROID_NDK_HOME="${pkgs.androidPkgs.ndk}";
   NIMFLAGS = "-d:disableMarchNative -d:git_revision_override=${revision}";
   XDG_CACHE_HOME = "/tmp";
+  EXCLUDED_NIM_PACKAGES="vendor/nim-dnsdisc/vendor";
 
   makeFlags = targets ++ [
     "V=${toString verbosity}"

nix/generate-nimble-paths.sh

@@ -6,17 +6,38 @@ output_file="submodule_paths.txt"
 # Ensure the output file is empty before we start
 > "$output_file"
 
+# Convert EXCLUDED_NIM_PACKAGES to an array (splitting by ':')
+IFS=':' read -ra EXCLUDED_PATTERNS <<< "$EXCLUDED_NIM_PACKAGES"
+
+# Function to check if a path should be excluded
+should_exclude() {
+    local path="$1"
+    for pattern in "${EXCLUDED_PATTERNS[@]}"; do
+        if [[ "$path" == *"$pattern"* ]]; then
+            return 0 # Exclude this path
+        fi
+    done
+    return 1 # Keep this path
+}
+
 # Find all .gitmodules files and process them
 find . -name .gitmodules | while read -r gitmodules_file; do
     # Get the absolute directory path containing the .gitmodules file
     module_dir=$(dirname "$(realpath "$gitmodules_file")")
-    
+
     # Extract paths from the .gitmodules file
     while IFS= read -r line; do
         if [[ $line =~ path[[:space:]]*=[[:space:]]*(.*) ]]; then
             submodule_path="${BASH_REMATCH[1]}"
+            abs_path="$module_dir/$submodule_path"
+
+            # Skip paths that match exclusion patterns
+            if should_exclude "$abs_path"; then
+                continue
+            fi
+
             # Write the absolute path of the submodule to the output file
-            echo "$module_dir/$submodule_path" >> "$output_file"
+            echo "$abs_path" >> "$output_file"
         fi
     done < "$gitmodules_file"
 done
@@ -24,7 +45,7 @@ done
 echo "Submodule paths collected in $output_file"
 
 # Base directory for nimble packages
-nimble_pkgs_dir="./vendor/.nimble/pkgs"
+nimble_pkgs_dir="./vendor/.nimble/pkgs2"
 
 # Ensure the base directory exists
 mkdir -p "$nimble_pkgs_dir"
@@ -33,15 +54,14 @@ mkdir -p "$nimble_pkgs_dir"
 while IFS= read -r submodule_path; do
     # Extract the submodule name (last part of the path)
     submodule_name=$(basename "$submodule_path")
-    
+
     # Create the directory for the submodule
     submodule_dir="$nimble_pkgs_dir/${submodule_name}-#head"
     mkdir -p "$submodule_dir"
-    
+
     # Create the .nimble-link file with the absolute path
     nimble_link_file="$submodule_dir/${submodule_name}.nimble-link"
     echo "$submodule_path" > "$nimble_link_file"
-    echo "$submodule_path" >> "$nimble_link_file"
 done < "$output_file"
 
-echo "Nimble packages prepared in $nimble_pkgs_dir"
+echo "Nimble packages prepared in $nimble_pkgs_dir"