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

bshell.runtime/command/native-command.c

@@ -144,7 +144,7 @@ static enum bshell_status process_record(
 		}
 
 		fx_string *record = fx_string_create_from_cstr(
-			fx_stringstream_ptr(cmd_p->cmd_tmp));
+			fx_stringstream_get_cstr(cmd_p->cmd_tmp));
 		bshell_pipeline_write_value(
 			pipeline,
 			FX_VALUE_OBJECT(record),

bshell.runtime/format/table.c

@@ -347,7 +347,7 @@ enum bshell_status bshell_table_ctx_print_record(
 		}
 
 		size_t to_write = fx_stringstream_get_length(strm);
-		const char *s = fx_stringstream_ptr(strm);
+		const char *s = fx_stringstream_get_cstr(strm);
 		bool overflow = false;
 		if (to_write > c->col_width) {
 			to_write = c->col_width - 2;

bshell.runtime/runtime/cmdcall.c

@@ -140,7 +140,7 @@ static bshell_command *resolve_native_command_local(
 	}
 
 	bshell_command *result
-		= bshell_native_command_create(fx_path_ptr(cmd_path));
+		= bshell_native_command_create(fx_path_get_cstr(cmd_path));
 	fx_path_unref(cmd_path);
 	return result;
 }
@@ -171,19 +171,16 @@ static bshell_command *resolve_native_command(
 	fx_foreach(v, it)
 	{
 		const char *tok = NULL;
-		fx_value_get_cstr(v, &tok);
 
-		fx_path *dir_path = fx_path_create_from_cstr(tok);
-		const fx_path *parts[] = {dir_path, cmd_name_path};
 		fx_path *full_path
-			= fx_path_join(parts, sizeof parts / sizeof parts[0]);
+			= fx_path_join_list(2, v, &FX_VALUE_OBJECT(cmd_name));
-		fx_path_unref(dir_path);
 		if (!fx_path_is_file(full_path)) {
 			fx_path_unref(full_path);
 			continue;
 		}
 
-		result = bshell_native_command_create(fx_path_ptr(full_path));
+		result = bshell_native_command_create(
+			fx_path_get_cstr(full_path));
 		fx_path_unref(full_path);
 		break;
 	}
@@ -254,8 +251,8 @@ static enum bshell_status process_args(struct bshell_cmdcall_p *cmdcall)
 	for (i32 i = cmdcall->cmd_args.count - 1; i >= 0; i--) {
 		fx_stringstream_reset(str);
 		fx_value_to_string(&cmdcall->cmd_args.items[i], str, NULL);
-		fx_string *arg_str
+		fx_string *arg_str = fx_string_create_from_cstr(
-			= fx_string_create_from_cstr(fx_stringstream_ptr(str));
+			fx_stringstream_get_cstr(str));
 		fx_array_push_back(
 			cmdcall->cmd_args_processed,
 			FX_VALUE_OBJECT(arg_str));

bshell.runtime/runtime/eval.c

@@ -220,7 +220,7 @@ static enum bshell_status eval_instruction(
 		fx_value_unset(&y);
 
 		const fx_property *prop
-			= fx_type_get_property(ty, fx_stringstream_ptr(strm));
+			= fx_type_get_property(ty, fx_stringstream_get_cstr(strm));
 		fx_stringstream_unref(strm);
 
 		if (!prop) {
@@ -267,7 +267,7 @@ static enum bshell_status eval_instruction(
 			fx_value_to_string(&x, strm, NULL);
 			fx_string_prepend_cstr(
 				result,
-				fx_stringstream_ptr(strm));
+				fx_stringstream_get_cstr(strm));
 			fx_value_unset(&x);
 			arg--;
 		}

bshell/frontend.c

@@ -190,9 +190,10 @@ static fx_path *create_path(const char *dir_path, const char *script_path)
 		return paths[1];
 	}
 
-	fx_path *result = fx_path_join(
+	fx_path *result = fx_path_join_list(
-		(const fx_path **)paths,
+		2,
-		sizeof paths / sizeof paths[0]);
+		&FX_CSTR(dir_path),
+		&FX_CSTR(script_path));
 	fx_path_unref(paths[0]);
 	fx_path_unref(paths[1]);
 
@@ -210,7 +211,7 @@ enum bshell_status frontend_eval_file(
 	}
 
 	struct bshell_file *file = NULL;
-	ctx->ctx_status = bshell_file_open(fx_path_ptr(path), &file);
+	ctx->ctx_status = bshell_file_open(fx_path_get_cstr(path), &file);
 	fx_path_unref(path);
 
 	if (!FX_OK(ctx->ctx_status)) {

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,