Use imported mailbox instead of submodule

.gitignore

@@ -1,3 +1,5 @@
+/zig-out/
+/zig-cache/
 **/.zig-cache/
 **/.zig-out/
 .idea/
@@ -8,4 +10,3 @@ src/deps/zig-datetime/.zig-out/
 src/deps/zig-network/.zig-cache/
 src/deps/zig-network/.zig-out/
 
-

build.zig

@@ -15,6 +15,12 @@ pub fn build(b: *std.Build) void {
     // set a preferred release mode, allowing the user to decide how to optimize.
     const optimize = b.standardOptimizeOption(.{});
 
+    const mailbox = b.dependency("mailbox", .{
+        .target = target,
+        .optimize = optimize,
+    });
+
+
     const lib = b.addStaticLibrary(.{
         .name = "syslog",
         // In this case the main source file is merely a path, however, in more
@@ -37,6 +43,8 @@ pub fn build(b: *std.Build) void {
         .optimize = optimize,
     });
 
+    lib_unit_tests.root_module.addImport("mailbox", mailbox.module("mailbox"));
+
     const run_lib_unit_tests = b.addRunArtifact(lib_unit_tests);
 
     // Similar to creating the run step earlier, this exposes a `test` step to

build.zig.zon

@@ -23,44 +23,11 @@
     // Once all dependencies are fetched, `zig build` no longer requires
     // internet connectivity.
     .dependencies = .{
-        // See `zig fetch --save <url>` for a command-line interface for adding dependencies.
-        //.example = .{
-        //    // When updating this field to a new URL, be sure to delete the corresponding
-        //    // `hash`, otherwise you are communicating that you expect to find the old hash at
-        //    // the new URL.
-        //    .url = "https://example.com/foo.tar.gz",
-        //
-        //    // This is computed from the file contents of the directory of files that is
-        //    // obtained after fetching `url` and applying the inclusion rules given by
-        //    // `paths`.
-        //    //
-        //    // This field is the source of truth; packages do not come from a `url`; they
-        //    // come from a `hash`. `url` is just one of many possible mirrors for how to
-        //    // obtain a package matching this `hash`.
-        //    //
-        //    // Uses the [multihash](https://multiformats.io/multihash/) format.
-        //    .hash = "...",
-        //
-        //    // When this is provided, the package is found in a directory relative to the
-        //    // build root. In this case the package's hash is irrelevant and therefore not
-        //    // computed. This field and `url` are mutually exclusive.
-        //    .path = "foo",
-
-        //    // When this is set to `true`, a package is declared to be lazily
-        //    // fetched. This makes the dependency only get fetched if it is
-        //    // actually used.
-        //    .lazy = false,
-        //},
+        .mailbox = .{
+            .url = "https://github.com/g41797/mailbox/archive/master.tar.gz",
+            .hash = "12208d8777b69f62cccf70b4372d8c31a22bb022881279713d424689d6555532d389",
+        },
     },
-
-    // Specifies the set of files and directories that are included in this package.
-    // Only files and directories listed here are included in the `hash` that
-    // is computed for this package. Only files listed here will remain on disk
-    // when using the zig package manager. As a rule of thumb, one should list
-    // files required for compilation plus any license(s).
-    // Paths are relative to the build root. Use the empty string (`""`) to refer to
-    // the build root itself.
-    // A directory listed here means that all files within, recursively, are included.
     .paths = .{
         "build.zig",
         "build.zig.zon",

src/syslog_tests.zig

@@ -1,7 +1,7 @@
 //---------------------------------
 const std = @import("std");
 const testing = std.testing;
-const mailbox = @import("deps/mailbox/src/mailbox.zig");
+const mailbox = @import("mailbox");
 const syslog = @import("syslog.zig");
 const transport = @import("transport.zig");
 const rfc = @import("rfc5424.zig");