feat: Add 'run' subcommand

This is only makes sense for 'local' packages

Author: hyperupcall

pkg/lib/cmd/basalt.sh

@@ -36,6 +36,7 @@ basalt.main() {
 		add) shift; do-add "$@" ;;
 		remove) shift; do-remove "$@" ;;
 		install) shift; do-install "$@" ;;
+		run) shift; do-run "$@" ;;
 		complete) shift; do-complete "$@" ;;
 		global) shift
 			case "$1" in

pkg/lib/commands/do-run.sh

@@ -0,0 +1,29 @@
+# shellcheck shell=bash
+
+do-run() {
+	util.init_local
+
+	local -a args=()
+	for arg; do case "$arg" in
+	-*)
+		print.die "Flag '$arg' not recognized"
+		;;
+	*)
+		args+=("$arg")
+		;;
+	esac done
+
+	if ((${#args[@]} > 1)); then
+		newindent.die "The only argument must be the executable name"
+	fi
+
+	local bin_name="${args[0]}"
+	local bin_file="$BASALT_LOCAL_PROJECT_DIR/.basalt/bin/$bin_name"
+	if [ -x "$bin_file" ]; then
+		exec "$bin_file"
+	elif [ -f "$bin_file" ]; then
+		newindent.die "File '$bin_name' is found, but the package providing it has not made it executable"
+	else
+		newindent.die "No executable called '$bin_name' was found"
+	fi
+}

pkg/lib/util/util.sh

@@ -360,6 +360,9 @@ Local subcommands:
   list [--fetch] [--format=<simple>] [package...]
     Lists particular dependencies for the current local project
 
+  run <command>
+    Runs a particular command from any particular locally installed package
+
 Global subcommands:
   init <shell>
     Prints shell code that must be evaluated during shell