diff options
| -rw-r--r-- | river/main.zig | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/river/main.zig b/river/main.zig index a5f5334..5b64241 100644 --- a/river/main.zig +++ b/river/main.zig @@ -22,7 +22,41 @@ const c = @import("c.zig"); const Log = @import("log.zig").Log; const Server = @import("Server.zig"); +const usage: []const u8 = + \\Usage: river [options] + \\ + \\ -h Print this help message and exit. + \\ -c <command> Run `sh -c <command>` on startup. + \\ +; + pub fn main() !void { + var startup_command: ?[]const u8 = null; + { + var it = std.process.args(); + // Skip our name + _ = it.nextPosix(); + while (it.nextPosix()) |arg| { + if (std.mem.eql(u8, arg, "-h")) { + const stdout = std.io.getStdOut().outStream(); + try stdout.print(usage, .{}); + std.os.exit(0); + } else if (std.mem.eql(u8, arg, "-c")) { + if (it.nextPosix()) |command| { + startup_command = command; + } else { + const stderr = std.io.getStdErr().outStream(); + try stderr.print("Error: flag '-c' requires exactly one argument\n", .{}); + std.os.exit(1); + } + } else { + const stderr = std.io.getStdErr().outStream(); + try stderr.print(usage, .{}); + std.os.exit(1); + } + } + } + Log.init(Log.Debug); c.wlr_log_init(.WLR_ERROR, null); @@ -34,6 +68,13 @@ pub fn main() !void { try server.start(); + if (startup_command) |cmd| { + const child_args = [_][]const u8{ "/bin/sh", "-c", cmd }; + const child = try std.ChildProcess.init(&child_args, std.heap.c_allocator); + defer child.deinit(); + try std.ChildProcess.spawn(child); + } + Log.Info.log("Running server...", .{}); server.run(); |