frontend: evaluate <config>/profile.bshell on startup

bshell/main.c

@@ -9,6 +9,7 @@
 #include <bshell/parse/token.h>
 #include <bshell/verb.h>
 #include <fx/cmdline/cmd.h>
+#include <fx/io/path.h>
 #include <stdio.h>
 
 enum {
@@ -83,6 +84,30 @@ static int bshell(
 	frontend_init(&ctx, flags);
 	enum bshell_status status = BSHELL_SUCCESS;
 
+	fx_path *config_base_dir = fx_path_get_system(FX_PATH_CONFIG);
+	fx_path *profile_path = fx_path_join_list(
+		3,
+		&FX_VALUE_OBJECT(config_base_dir),
+		&FX_CSTR("bshell"),
+		&FX_CSTR("profile.bshell"));
+	fx_path_unref(config_base_dir);
+
+	if (fx_path_is_file(profile_path)) {
+		status = frontend_eval_file(
+			&ctx,
+			NULL,
+			fx_path_get_cstr(profile_path));
+
+		if (status != BSHELL_SUCCESS) {
+			fprintf(stderr,
+			        "%s: cannot evaluate '%s': %s\n",
+			        exec_name,
+			        fx_path_get_cstr(profile_path),
+			        bshell_status_get_description(status));
+		}
+	}
+	fx_path_unref(profile_path);
+
 	size_t nr_input_files = fx_arglist_get_count(
 		opt,
 		FX_COMMAND_INVALID_ID,