fix: align embedded zccache with soldr

crates/fbuild-build-arm/Cargo.toml

@@ -34,7 +34,7 @@ tar = { workspace = true }
 zip = { workspace = true }
 tree-sitter = { workspace = true }
 tree-sitter-cpp = { workspace = true }
-zccache = { git = "https://github.com/zackees/zccache", rev = "4b13676bb3a76c87d2272b2d9ccb76e821734762" }
+zccache = { git = "https://github.com/zackees/zccache", rev = "a16f10e2c3813f0582e0e51eb3b9932c727435f1" }
 
 [dev-dependencies]
 filetime = { workspace = true }

crates/fbuild-build-engine/Cargo.toml

@@ -34,7 +34,7 @@ tar = { workspace = true }
 zip = { workspace = true }
 tree-sitter = { workspace = true }
 tree-sitter-cpp = { workspace = true }
-zccache = { git = "https://github.com/zackees/zccache", rev = "4b13676bb3a76c87d2272b2d9ccb76e821734762" }
+zccache = { git = "https://github.com/zackees/zccache", rev = "a16f10e2c3813f0582e0e51eb3b9932c727435f1" }
 
 [dev-dependencies]
 filetime = { workspace = true }

crates/fbuild-build-esp/Cargo.toml

@@ -34,7 +34,7 @@ tar = { workspace = true }
 zip = { workspace = true }
 tree-sitter = { workspace = true }
 tree-sitter-cpp = { workspace = true }
-zccache = { git = "https://github.com/zackees/zccache", rev = "4b13676bb3a76c87d2272b2d9ccb76e821734762" }
+zccache = { git = "https://github.com/zackees/zccache", rev = "a16f10e2c3813f0582e0e51eb3b9932c727435f1" }
 
 [dev-dependencies]
 filetime = { workspace = true }

crates/fbuild-build-mcu/Cargo.toml

@@ -34,7 +34,7 @@ tar = { workspace = true }
 zip = { workspace = true }
 tree-sitter = { workspace = true }
 tree-sitter-cpp = { workspace = true }
-zccache = { git = "https://github.com/zackees/zccache", rev = "4b13676bb3a76c87d2272b2d9ccb76e821734762" }
+zccache = { git = "https://github.com/zackees/zccache", rev = "a16f10e2c3813f0582e0e51eb3b9932c727435f1" }
 
 [dev-dependencies]
 filetime = { workspace = true }

crates/fbuild-build/Cargo.toml

@@ -48,12 +48,10 @@ tree-sitter-cpp = { workspace = true }
 # child processes) was deleted in the same PR; there is no
 # `--no-default-features` escape hatch.
 #
-# Pinned at zccache 1.12.14 (`4b13676`, the same revision soldr's
-# `_vender/zccache` submodule uses). Bumps 1.12.11 -> 1.12.14 to pick
-# up the embedded-path fixes: #950 (journal compile outcomes on the
-# embedded path), #955/#957/#958 (daemon-deadlock/full-codegen fix +
-# `run_cpu_blocking`), and #948 (mimalloc as sole allocator).
-zccache = { git = "https://github.com/zackees/zccache", rev = "4b13676bb3a76c87d2272b2d9ccb76e821734762" }
+# Pinned at zccache 1.12.17 (`a16f10e`), matching soldr's
+# `_vender/zccache` submodule so both embedded services speak the same
+# shared-broker protocol.
+zccache = { git = "https://github.com/zackees/zccache", rev = "a16f10e2c3813f0582e0e51eb3b9932c727435f1" }
 
 [dev-dependencies]
 filetime = { workspace = true }

crates/fbuild-cli/src/cli/clean.rs

@@ -2,7 +2,9 @@
 
 use crate::daemon_client::{self, BuildRequest, DaemonClient};
 use crate::output;
-use fbuild_core::process_identity::{pid_exe_stem_matches, pid_is_alive, terminate_pid, wait_for_pid_exit};
+use fbuild_core::process_identity::{
+    pid_exe_stem_matches, pid_is_alive, terminate_pid, wait_for_pid_exit,
+};
 use fbuild_paths::daemon_ownership::{self, DAEMON_EXE_STEM, RootOwnershipGuard, SpawnLockGuard};
 use std::future::Future;
 use std::io;
@@ -323,7 +325,10 @@ fn should_signal_legacy_pid(is_alive: bool, exe_stem_matches: bool) -> bool {
 }
 
 async fn terminate_legacy_pid_if_verified(pid: u32) {
-    let verified = should_signal_legacy_pid(pid_is_alive(pid), pid_exe_stem_matches(pid, DAEMON_EXE_STEM));
+    let verified = should_signal_legacy_pid(
+        pid_is_alive(pid),
+        pid_exe_stem_matches(pid, DAEMON_EXE_STEM),
+    );
     if !verified {
         return;
     }
@@ -547,7 +552,10 @@ mod tests {
             parse_status_json_daemon_pid(r#"{"daemon_pid": 4321}"#),
             Some(4321)
         );
-        assert_eq!(parse_status_json_daemon_pid(r#"{"daemon_pid": null}"#), None);
+        assert_eq!(
+            parse_status_json_daemon_pid(r#"{"daemon_pid": null}"#),
+            None
+        );
         assert_eq!(parse_status_json_daemon_pid(r#"{}"#), None);
         assert_eq!(parse_status_json_daemon_pid("not json"), None);
     }
@@ -570,7 +578,10 @@ mod tests {
     fn recycled_or_unrelated_pid_is_never_signalled() {
         let own_pid = std::process::id();
         assert!(pid_is_alive(own_pid));
-        assert!(!pid_exe_stem_matches(own_pid, "definitely-not-fbuild-daemon"));
+        assert!(!pid_exe_stem_matches(
+            own_pid,
+            "definitely-not-fbuild-daemon"
+        ));
         assert!(!should_signal_legacy_pid(
             pid_is_alive(own_pid),
             pid_exe_stem_matches(own_pid, "definitely-not-fbuild-daemon")

crates/fbuild-core/src/process_identity.rs

@@ -74,6 +74,7 @@ pub fn pid_executable_path(pid: u32) -> Option<PathBuf> {
 
 #[cfg(all(unix, not(target_os = "linux")))]
 pub fn pid_executable_path(pid: u32) -> Option<PathBuf> {
+    // allow-direct-spawn: portable BSD/macOS `ps` fallback; this module resolves process identity.
     let output = std::process::Command::new("/bin/ps")
         .args(["-p", &pid.to_string(), "-o", "comm="])
         .output()

crates/fbuild-paths/src/daemon_ownership.rs

@@ -307,6 +307,7 @@ mod tests {
         let path = temp.path().join("root-owner.lock");
 
         let run_probe = |expected: &str| {
+            // allow-direct-spawn: test helper re-executes this test binary to model another process.
             let output = std::process::Command::new(std::env::current_exe().unwrap())
                 .args([
                     "--ignored",

crates/fbuild-serial/src/ports.rs

@@ -274,8 +274,8 @@ mod imp {
     use serialport::{SerialPortInfo, SerialPortType, UsbPortInfo};
     use windows_sys::Win32::Devices::DeviceAndDriverInstallation::{
         CM_Get_DevNode_Status, CM_Get_Device_IDW, CM_Get_Parent, CR_NO_SUCH_DEVINST, CR_SUCCESS,
-        DICS_FLAG_GLOBAL, DIGCF_ALLCLASSES, DIGCF_PRESENT, DIREG_DEV, HDEVINFO,
-        MAX_DEVICE_ID_LEN, SP_DEVINFO_DATA, SPDRP_CLASS, SPDRP_FRIENDLYNAME, SPDRP_HARDWAREID,
+        DICS_FLAG_GLOBAL, DIGCF_ALLCLASSES, DIGCF_PRESENT, DIREG_DEV, HDEVINFO, MAX_DEVICE_ID_LEN,
+        SP_DEVINFO_DATA, SPDRP_CLASS, SPDRP_FRIENDLYNAME, SPDRP_HARDWAREID,
         SPDRP_LOCATION_INFORMATION, SPDRP_MFG, SetupDiClassGuidsFromNameW,
         SetupDiDestroyDeviceInfoList, SetupDiEnumDeviceInfo, SetupDiGetClassDevsW,
         SetupDiGetDeviceInstanceIdW, SetupDiGetDeviceRegistryPropertyW, SetupDiOpenDevRegKey,