[PATCH 1/2] tools/xdg-desktop-portal-spectrum-host: set up log

[Alyssa Ross <hi@alyssa.is>]

This will let us see logs from zbus.

Signed-off-by: Alyssa Ross <hi@alyssa.is>
---
 .../Cargo.lock                                | 76 +++++++++++++++++++
 .../Cargo.toml                                |  8 +-
 .../src/main.rs                               |  5 ++
 3 files changed, 88 insertions(+), 1 deletion(-)

diff --git a/tools/xdg-desktop-portal-spectrum-host/Cargo.lock b/tools/xdg-desktop-portal-spectrum-host/Cargo.lock
index 75b5607..cb32e66 100644
--- a/tools/xdg-desktop-portal-spectrum-host/Cargo.lock
+++ b/tools/xdg-desktop-portal-spectrum-host/Cargo.lock
@@ -2,6 +2,15 @@
 # It is not intended for manual editing.
 version = 4
 
+[[package]]
+name = "aho-corasick"
+version = "1.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "ddd31a130427c27518df266943a5308ed92d4b226cc639f5a8f1002816174301"
+dependencies = [
+ "memchr",
+]
+
 [[package]]
 name = "async-broadcast"
 version = "0.7.2"
@@ -475,6 +484,12 @@ dependencies = [
  "thiserror",
 ]
 
+[[package]]
+name = "lazy_static"
+version = "1.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "bbd2bcb4c963f2ddae06a2efc7e9f3591312473c50c6685e1f298068316e66fe"
+
 [[package]]
 name = "libc"
 version = "0.2.178"
@@ -493,6 +508,15 @@ version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6373607a59f0be73a39b6fe456b8192fcc3585f602af20751600e974dd455e77"
 
+[[package]]
+name = "matchers"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "d1525a2a28c7f4fa0fc98bb91ae755d1e2d1505079e05539e35bc876b5d65ae9"
+dependencies = [
+ "regex-automata",
+]
+
 [[package]]
 name = "memchr"
 version = "2.7.6"
@@ -622,6 +646,23 @@ version = "5.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "69cdb34c158ceb288df11e18b4bd39de994f6657d83847bdffdbd7f346754b0f"
 
+[[package]]
+name = "regex-automata"
+version = "0.4.13"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "5276caf25ac86c8d810222b3dbb938e512c55c6831a10f3e6ed1c93b84041f1c"
+dependencies = [
+ "aho-corasick",
+ "memchr",
+ "regex-syntax",
+]
+
+[[package]]
+name = "regex-syntax"
+version = "0.8.8"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "7a2d987857b319362043e95f5353c0535c1f58eec5336fdfcf626430af7def58"
+
 [[package]]
 name = "rustix"
 version = "1.1.2"
@@ -682,6 +723,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "sharded-slab"
+version = "0.1.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f40ca3c46823713e0d4209592e8d6e826aa57e928f09752619fc696c499637f6"
+dependencies = [
+ "lazy_static",
+]
+
 [[package]]
 name = "signal-hook-registry"
 version = "1.4.7"
@@ -770,6 +820,15 @@ dependencies = [
  "syn",
 ]
 
+[[package]]
+name = "thread_local"
+version = "1.1.9"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "f60246a4944f24f6e018aa17cdeffb7818b76356965d03b07d6a9886e8962185"
+dependencies = [
+ "cfg-if",
+]
+
 [[package]]
 name = "tinystr"
 version = "0.8.2"
@@ -841,6 +900,21 @@ dependencies = [
  "once_cell",
 ]
 
+[[package]]
+name = "tracing-subscriber"
+version = "0.3.22"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "2f30143827ddab0d256fd843b7a66d164e9f271cfa0dde49142c5ca0ca291f1e"
+dependencies = [
+ "matchers",
+ "once_cell",
+ "regex-automata",
+ "sharded-slab",
+ "thread_local",
+ "tracing",
+ "tracing-core",
+]
+
 [[package]]
 name = "uds_windows"
 version = "1.1.0"
@@ -1009,6 +1083,8 @@ dependencies = [
  "landlock",
  "percent-encoding",
  "rustix",
+ "tracing",
+ "tracing-subscriber",
  "url",
  "zbus",
 ]
diff --git a/tools/xdg-desktop-portal-spectrum-host/Cargo.toml b/tools/xdg-desktop-portal-spectrum-host/Cargo.toml
index 23cadf0..5dc0d99 100644
--- a/tools/xdg-desktop-portal-spectrum-host/Cargo.toml
+++ b/tools/xdg-desktop-portal-spectrum-host/Cargo.toml
@@ -1,5 +1,5 @@
 # SPDX-License-Identifier: CC0-1.0
-# SPDX-FileCopyrightText: 2024 Alyssa Ross <hi@alyssa.is>
+# SPDX-FileCopyrightText: 2024-2025 Alyssa Ross <hi@alyssa.is>
 
 [package]
 name = "xdg-desktop-portal-spectrum-host"
@@ -13,5 +13,11 @@ futures-lite = "2.3.0"
 landlock = "0.4.4"
 percent-encoding = "2.3.1"
 rustix = "1.0"
+tracing = "0.1.43"
 url = "2.5.0"
 zbus = "5.1.1"
+
+[dependencies.tracing-subscriber]
+version = "0.3.22"
+default-features = false
+features = ["env-filter", "fmt"]
diff --git a/tools/xdg-desktop-portal-spectrum-host/src/main.rs b/tools/xdg-desktop-portal-spectrum-host/src/main.rs
index a867219..40b14b4 100644
--- a/tools/xdg-desktop-portal-spectrum-host/src/main.rs
+++ b/tools/xdg-desktop-portal-spectrum-host/src/main.rs
@@ -23,6 +23,7 @@ use landlock::{
     ABI, Access, AccessFs, AccessNet, CompatLevel, Compatible, Ruleset, RulesetAttr, RulesetError,
     Scope,
 };
+use tracing_subscriber::EnvFilter;
 use zbus::{AuthMechanism, Connection, MessageStream, connection};
 
 use file_chooser::FileChooser;
@@ -236,6 +237,10 @@ fn read_argv() {
 fn run() -> Result<(), String> {
     set_up_landlock().map_err(|e| format!("setting up landlock: {e}"))?;
 
+    tracing_subscriber::fmt()
+        .with_env_filter(EnvFilter::from_default_env())
+        .init();
+
     read_argv();
 
     async_io::block_on(EXECUTOR.run(async {

base-commit: 1a0d063dccf3465ffffda8312994d6066bc1a602
-- 
2.52.0