Windows compilation

src/gossip/cmd.zig

@@ -16,7 +16,8 @@ const IDENTITY_KEYPAIR_DIR = "/.sig";
 const IDENTITY_KEYPAIR_PATH = "/identity.key";
 
 pub fn getOrInitIdentity(allocator: std.mem.Allocator, logger: *Logger) !Keypair {
- const home_dir = std.os.getenv("HOME") orelse return error.UnableDetectHomeDir;
+ const home_dir = try std.process.getEnvVarOwned(allocator, "HOME");
+ defer allocator.free(home_dir);
  var path = try std.mem.concat(allocator, u8, &[_][]const u8{ home_dir, IDENTITY_KEYPAIR_DIR, IDENTITY_KEYPAIR_PATH });
 
  if (std.fs.openFileAbsolute(path, .{})) |file| {

src/main.zig

@@ -1,4 +1,5 @@
 const cmd = @import("cmd/cmd.zig");
+const std = @import("std");
 
 pub fn main() !void {
  try cmd.run();