add scripts for treewide mainProgram

treewideMainProgram/list_missing_main_programs.sh

@@ -0,0 +1,21 @@
+#!/usr/bin/env nix-shell
+#!nix-shell -i bash -p bash ripgrep nix
+
+FILES_WITHOUT_MAINPROGRAM=$(rg --case-sensitive --files-without-match "mainProgram" -g 'default.nix' .)
+
+trap "exit 0" SIGINT
+
+for FILE in $FILES_WITHOUT_MAINPROGRAM; do
+	PACKAGE=$(dirname "$FILE" | sed 's|^./||')
+	echo "Building: $PACKAGE"
+
+	NIXPKGS_ALLOW_UNFREE=1 nix build ".#$PACKAGE" --impure || continue
+
+	if [ "$(find result/bin | wc -w)" == 1 ]; then
+		echo "$PACKAGE: $(ls result/bin)" >> packages.txt 
+	elif [ "$(find result-bin/bin | wc -w)" == 1 ]; then
+		echo "$PACKAGE: $(ls result-bin/bin)" >> packages.txt 
+	fi
+
+	rm result* || true
+done