Merge pull request #205 from serokell/rvem/improve-temp-path-handling

[Chore] Handle 'temp_path' as an actual 'Path' instead of 'String'

7 files changed, 177 insertions, 190 deletions

diff --git a/Cargo.lock b/Cargo.lock
index 28b124e..e561cd7 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -1,5 +1,7 @@
 # This file is automatically @generated by Cargo.
 # It is not intended for manual editing.
+version = 3
+
 [[package]]
 name = "aho-corasick"
 version = "0.7.15"
@@ -10,12 +12,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "anymap"
-version = "0.12.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "33954243bd79057c2de7338850b85983a44588021f8a5fee574a8888c6de4344"
-
-[[package]]
 name = "atty"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -23,7 +19,7 @@ checksum = "d9b39be18770d11421cdb1b9947a45dd3f37e93092cbf377614828a319d5fee8"
 dependencies = [
  "hermit-abi",
  "libc",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -75,7 +71,7 @@ dependencies = [
  "num-integer",
  "num-traits",
  "time",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -113,23 +109,21 @@ dependencies = [
 
 [[package]]
 name = "crossbeam-channel"
-version = "0.4.4"
+version = "0.5.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b153fe7cbef478c567df0f972e02e6d736db11affe43dfc9c56a9374d1adfb87"
+checksum = "a33c2bf77f2df06183c3aa30d1e96c0695a313d4f9c453cc3762a6db39f99200"
 dependencies = [
+ "cfg-if 1.0.0",
  "crossbeam-utils",
- "maybe-uninit",
 ]
 
 [[package]]
 name = "crossbeam-utils"
-version = "0.7.2"
+version = "0.8.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "c3c7c73a2d1e9fc0886a08b93e98eb643461230d5f1925e4036204d5f2e261a8"
+checksum = "3c063cd8cc95f5c377ed0d4b49a4b21f632396ff690e8470c29b3359b346984b"
 dependencies = [
- "autocfg",
- "cfg-if 0.1.10",
- "lazy_static",
+ "cfg-if 1.0.0",
 ]
 
 [[package]]
@@ -164,7 +158,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "libc",
  "redox_syscall",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -193,41 +187,15 @@ dependencies = [
 ]
 
 [[package]]
-name = "fsevent"
-version = "2.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "97f347202c95c98805c216f9e1df210e8ebaec9fdb2365700a43c10797a35e63"
-dependencies = [
- "bitflags",
- "fsevent-sys",
-]
-
-[[package]]
 name = "fsevent-sys"
-version = "3.0.2"
+version = "4.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77a29c77f1ca394c3e73a9a5d24cfcabb734682d9634fc398f2204a63c994120"
+checksum = "76ee7a02da4d231650c7cea31349b889be2f45ddb3ef3032d2ec8185f6313fd2"
 dependencies = [
  "libc",
 ]
 
 [[package]]
-name = "fuchsia-zircon"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
-dependencies = [
- "bitflags",
- "fuchsia-zircon-sys",
-]
-
-[[package]]
-name = "fuchsia-zircon-sys"
-version = "0.3.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
-
-[[package]]
 name = "futures-core"
 version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -312,9 +280,9 @@ dependencies = [
 
 [[package]]
 name = "inotify"
-version = "0.8.3"
+version = "0.9.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "46dd0a94b393c730779ccfd2a872b67b1eb67be3fc33082e733bdb38b5fde4d4"
+checksum = "f8069d3ec154eb856955c1c0fbffefbf5f3c40a104ec912d4797314c1801abff"
 dependencies = [
  "bitflags",
  "inotify-sys",
@@ -331,47 +299,42 @@ dependencies = [
 ]
 
 [[package]]
-name = "iovec"
-version = "0.1.4"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "b2b3ea6ff95e175473f8ffe6a7eb7c00d054240321b84c57051175fe3c1e075e"
-dependencies = [
- "libc",
-]
-
-[[package]]
 name = "itoa"
 version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "dc6f3ad7b9d11a0c00842ff8de1b60ee58661048eb8049ed33c73594f359d7e6"
 
 [[package]]
-name = "kernel32-sys"
-version = "0.2.2"
+name = "kqueue"
+version = "1.0.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
+checksum = "2c8fc60ba15bf51257aa9807a48a61013db043fcf3a78cb0d916e8e396dcad98"
 dependencies = [
- "winapi 0.2.8",
- "winapi-build",
+ "kqueue-sys",
+ "libc",
 ]
 
 [[package]]
-name = "lazy_static"
-version = "1.4.0"
+name = "kqueue-sys"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
+checksum = "8367585489f01bc55dd27404dcf56b95e6da061a256a666ab23be9ba96a2e587"
+dependencies = [
+ "bitflags",
+ "libc",
+]
 
 [[package]]
-name = "lazycell"
-version = "1.3.0"
+name = "lazy_static"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "830d08ce1d1d941e6b30645f1a0eb5643013d835ce3779a5fc208261dbe10f55"
+checksum = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 
 [[package]]
 name = "libc"
-version = "0.2.81"
+version = "0.2.141"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "1482821306169ec4d07f6aca392a4681f66c75c9918aa49641a2595db64053cb"
+checksum = "3304a64d199bb964be99741b7a14d26972741915b3649639149b2479bb46f4b5"
 
 [[package]]
 name = "log"
@@ -383,12 +346,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "maybe-uninit"
-version = "2.0.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "60302e4db3a61da70c0cb7991976248362f30319e88850c487b9b95bbf059e00"
-
-[[package]]
 name = "memchr"
 version = "2.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -418,58 +375,27 @@ dependencies = [
 
 [[package]]
 name = "mio"
-version = "0.6.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4afd66f5b91bf2a3bc13fad0e21caedac168ca4c707504e75585648ae80e4cc4"
-dependencies = [
- "cfg-if 0.1.10",
- "fuchsia-zircon",
- "fuchsia-zircon-sys",
- "iovec",
- "kernel32-sys",
- "libc",
- "log",
- "miow 0.2.2",
- "net2",
- "slab",
- "winapi 0.2.8",
-]
-
-[[package]]
-name = "mio"
 version = "0.7.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "f33bc887064ef1fd66020c9adfc45bb9f33d75a42096c81e7c56c65b75dd1a8b"
 dependencies = [
  "libc",
  "log",
- "miow 0.3.6",
+ "miow",
  "ntapi",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
-name = "mio-extras"
-version = "2.0.6"
+name = "mio"
+version = "0.8.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "52403fe290012ce777c4626790c8951324a2b9e3316b3143779c72b029742f19"
+checksum = "5b9d9a46eff5b4ff64b45a9e316a6d1e0bc719ef429cbec4dc630684212bfdf9"
 dependencies = [
- "lazycell",
+ "libc",
  "log",
- "mio 0.6.23",
- "slab",
-]
-
-[[package]]
-name = "miow"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ebd808424166322d4a38da87083bfddd3ac4c131334ed55856112eb06d46944d"
-dependencies = [
- "kernel32-sys",
- "net2",
- "winapi 0.2.8",
- "ws2_32-sys",
+ "wasi 0.11.0+wasi-snapshot-preview1",
+ "windows-sys 0.45.0",
 ]
 
 [[package]]
@@ -479,38 +405,25 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "5a33c1b55807fbed163481b5ba66db4b2fa6cde694a5027be10fb724206c5897"
 dependencies = [
  "socket2",
- "winapi 0.3.9",
-]
-
-[[package]]
-name = "net2"
-version = "0.2.37"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "391630d12b68002ae1e25e8f974306474966550ad82dac6886fb8910c19568ae"
-dependencies = [
- "cfg-if 0.1.10",
- "libc",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
 name = "notify"
-version = "5.0.0-pre.4"
+version = "5.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a8b946889dfdad884379cd56367d93b6d0ce8889cc027d26a69a3a31c0a03bb5"
+checksum = "58ea850aa68a06e48fdb069c0ec44d0d64c8dbffa49bf3b6f7f0a901fdea1ba9"
 dependencies = [
- "anymap",
  "bitflags",
  "crossbeam-channel",
  "filetime",
- "fsevent",
  "fsevent-sys",
  "inotify",
+ "kqueue",
  "libc",
- "mio 0.6.23",
- "mio-extras",
+ "mio 0.8.6",
  "walkdir",
- "winapi 0.3.9",
+ "windows-sys 0.42.0",
 ]
 
 [[package]]
@@ -519,7 +432,7 @@ version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "3f6bb902e437b6d86e03cce10a7e2af662292c5dfef23b65899ea3ac9354ad44"
 dependencies = [
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -787,7 +700,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "libc",
  "redox_syscall",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -823,7 +736,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "633c1a546cee861a1a6d0dc69ebeca693bf4296661ba7852b9d21d159e0506df"
 dependencies = [
  "libc",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -884,8 +797,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "6db9e6914ab8b1ae1c260a4ae7a49b6c5611b40328a735b21862567685e73255"
 dependencies = [
  "libc",
- "wasi",
- "winapi 0.3.9",
+ "wasi 0.10.0+wasi-snapshot-preview1",
+ "winapi",
 ]
 
 [[package]]
@@ -903,7 +816,7 @@ dependencies = [
  "pin-project-lite",
  "signal-hook-registry",
  "tokio-macros",
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -963,7 +876,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "777182bc735b6424e1a57516d35ed72cb8019d85c8c9bf536dccb3445c1a2f7d"
 dependencies = [
  "same-file",
- "winapi 0.3.9",
+ "winapi",
  "winapi-util",
 ]
 
@@ -974,16 +887,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1a143597ca7c7793eff794def352d41792a93c481eb1042423ff7ff72ba2c31f"
 
 [[package]]
-name = "whoami"
-version = "0.9.0"
+name = "wasi"
+version = "0.11.0+wasi-snapshot-preview1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7884773ab69074615cb8f8425d0e53f11710786158704fca70f53e71b0e05504"
+checksum = "9c8d87e72b64a3b4db28d11ce29237c246188f4f51057d65a7eab63b7987e423"
 
 [[package]]
-name = "winapi"
-version = "0.2.8"
+name = "whoami"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
+checksum = "7884773ab69074615cb8f8425d0e53f11710786158704fca70f53e71b0e05504"
 
 [[package]]
 name = "winapi"
@@ -996,12 +909,6 @@ dependencies = [
 ]
 
 [[package]]
-name = "winapi-build"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
-
-[[package]]
 name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
@@ -1013,7 +920,7 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "70ec6ce85bb158151cae5e5c87f95a8e97d2c0c4b001223f33a334e3ce5de178"
 dependencies = [
- "winapi 0.3.9",
+ "winapi",
 ]
 
 [[package]]
@@ -1023,16 +930,87 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
 
 [[package]]
-name = "ws2_32-sys"
-version = "0.2.1"
+name = "windows-sys"
+version = "0.42.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
+checksum = "5a3e1820f08b8513f676f7ab6c1f99ff312fb97b553d30ff4dd86f9f15728aa7"
 dependencies = [
- "winapi 0.2.8",
- "winapi-build",
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
 ]
 
 [[package]]
+name = "windows-sys"
+version = "0.45.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "75283be5efb2831d37ea142365f009c02ec203cd29a3ebecbc093d52315b66d0"
+dependencies = [
+ "windows-targets",
+]
+
+[[package]]
+name = "windows-targets"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8e5180c00cd44c9b1c88adb3693291f1cd93605ded80c250a75d472756b4d071"
+dependencies = [
+ "windows_aarch64_gnullvm",
+ "windows_aarch64_msvc",
+ "windows_i686_gnu",
+ "windows_i686_msvc",
+ "windows_x86_64_gnu",
+ "windows_x86_64_gnullvm",
+ "windows_x86_64_msvc",
+]
+
+[[package]]
+name = "windows_aarch64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "597a5118570b68bc08d8d59125332c54f1ba9d9adeedeef5b99b02ba2b0698f8"
+
+[[package]]
+name = "windows_aarch64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e08e8864a60f06ef0d0ff4ba04124db8b0fb3be5776a5cd47641e942e58c4d43"
+
+[[package]]
+name = "windows_i686_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "c61d927d8da41da96a81f029489353e68739737d3beca43145c8afec9a31a84f"
+
+[[package]]
+name = "windows_i686_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "44d840b6ec649f480a41c8d80f9c65108b92d89345dd94027bfe06ac444d1060"
+
+[[package]]
+name = "windows_x86_64_gnu"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8de912b8b8feb55c064867cf047dda097f92d51efad5b491dfb98f6bbb70cb36"
+
+[[package]]
+name = "windows_x86_64_gnullvm"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "26d41b46a36d453748aedef1486d5c7a85db22e56aff34643984ea85514e94a3"
+
+[[package]]
+name = "windows_x86_64_msvc"
+version = "0.42.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "9aec5da331524158c6d1a4ac0ab1541149c0b9505fde06423b02f5ef0106b9f0"
+
+[[package]]
 name = "yansi"
 version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
diff --git a/Cargo.toml b/Cargo.toml
index b1c0dd7..7b93c3d 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -17,7 +17,7 @@ fork = "0.1"
 futures-util = "0.3.6"
 log = "0.4"
 merge = "0.1.0"
-notify = "5.0.0-pre.3"
+notify = "5.1.0"
 rnix = "0.8"
 serde = { version = "1.0.104", features = [ "derive" ] }
 serde_json = "1.0.48"
diff --git a/src/bin/activate.rs b/src/bin/activate.rs
index 4c865f1..bf03538 100644
--- a/src/bin/activate.rs
+++ b/src/bin/activate.rs
@@ -15,9 +15,9 @@ use tokio::time::timeout;
 
 use std::time::Duration;
 
-use std::path::Path;
+use std::path::PathBuf;
 
-use notify::{RecommendedWatcher, RecursiveMode, Watcher};
+use notify::{RecommendedWatcher, RecursiveMode, Watcher, recommended_watcher};
 
 use thiserror::Error;
 
@@ -75,7 +75,7 @@ struct ActivateOpts {
 
     /// Path for any temporary files that may be needed during activation
     #[clap(long)]
-    temp_path: String,
+    temp_path: PathBuf,
 }
 
 /// Activate a profile
@@ -86,7 +86,7 @@ struct WaitOpts {
 
     /// Path for any temporary files that may be needed during activation
     #[clap(long)]
-    temp_path: String,
+    temp_path: PathBuf,
 }
 
 /// Activate a profile
@@ -232,7 +232,7 @@ async fn danger_zone(
 
 pub async fn activation_confirmation(
     profile_path: String,
-    temp_path: String,
+    temp_path: PathBuf,
     confirm_timeout: u16,
     closure: String,
 ) -> Result<(), ActivationConfirmationError> {
@@ -240,7 +240,7 @@ pub async fn activation_confirmation(
 
     debug!("Ensuring parent directory exists for canary file");
 
-    if let Some(parent) = Path::new(&lock_path).parent() {
+    if let Some(parent) = lock_path.parent() {
         fs::create_dir_all(parent)
             .await
             .map_err(ActivationConfirmationError::CreateConfirmDir)?;
@@ -257,7 +257,7 @@ pub async fn activation_confirmation(
     let (deleted, done) = mpsc::channel(1);
 
     let mut watcher: RecommendedWatcher =
-        Watcher::new_immediate(move |res: Result<notify::event::Event, notify::Error>| {
+        recommended_watcher(move |res: Result<notify::event::Event, notify::Error>| {
             let send_result = match res {
                 Ok(e) if e.kind == notify::EventKind::Remove(notify::event::RemoveKind::File) => {
                     debug!("Got worthy removal event, sending on channel");
@@ -298,7 +298,7 @@ pub enum WaitError {
     #[error("Error waiting for activation: {0}")]
     Waiting(#[from] DangerZoneError),
 }
-pub async fn wait(temp_path: String, closure: String) -> Result<(), WaitError> {
+pub async fn wait(temp_path: PathBuf, closure: String) -> Result<(), WaitError> {
     let lock_path = deploy::make_lock_path(&temp_path, &closure);
 
     let (created, done) = mpsc::channel(1);
@@ -307,11 +307,16 @@ pub async fn wait(temp_path: String, closure: String) -> Result<(), WaitError> {
         // TODO: fix wasteful clone
         let lock_path = lock_path.clone();
 
-        Watcher::new_immediate(move |res: Result<notify::event::Event, notify::Error>| {
+        recommended_watcher(move |res: Result<notify::event::Event, notify::Error>| {
             let send_result = match res {
                 Ok(e) if e.kind == notify::EventKind::Create(notify::event::CreateKind::File) => {
                     match &e.paths[..] {
-                        [x] if x == Path::new(&lock_path) => created.try_send(Ok(())),
+                        [x] => match lock_path.canonicalize() {
+                            // 'lock_path' may not exist yet when some other files are created in 'temp_path'
+                            // x is already supposed to be canonical path
+                            Ok(lock_path) if x == &lock_path => created.try_send(Ok(())),
+                            _ => Ok (())
+                        }
                         _ => Ok(()),
                     }
                 }
@@ -363,7 +368,7 @@ pub async fn activate(
     profile_path: String,
     closure: String,
     auto_rollback: bool,
-    temp_path: String,
+    temp_path: PathBuf,
     confirm_timeout: u16,
     magic_rollback: bool,
     dry_activate: bool,
diff --git a/src/cli.rs b/src/cli.rs
index f259563..9140d6d 100644
--- a/src/cli.rs
+++ b/src/cli.rs
@@ -14,6 +14,7 @@ use self::deploy::{DeployFlake, ParseFlakeError};
 use futures_util::stream::{StreamExt, TryStreamExt};
 use log::{debug, error, info, warn};
 use serde::Serialize;
+use std::path::PathBuf;
 use std::process::Stdio;
 use thiserror::Error;
 use tokio::process::Command;
@@ -86,7 +87,7 @@ pub struct Opts {
     confirm_timeout: Option<u16>,
     /// Where to store temporary files (only used by magic-rollback)
     #[clap(long)]
-    temp_path: Option<String>,
+    temp_path: Option<PathBuf>,
     /// Show what will be activated on the machines
     #[clap(long)]
     dry_activate: bool,
diff --git a/src/data.rs b/src/data.rs
index 90ea331..3b3e2c9 100644
--- a/src/data.rs
+++ b/src/data.rs
@@ -5,6 +5,7 @@
 use merge::Merge;
 use serde::Deserialize;
 use std::collections::HashMap;
+use std::path::PathBuf;
 
 #[derive(Deserialize, Debug, Clone, Merge)]
 pub struct GenericSettings {
@@ -25,7 +26,7 @@ pub struct GenericSettings {
     #[serde(rename(deserialize = "confirmTimeout"))]
     pub confirm_timeout: Option<u16>,
     #[serde(rename(deserialize = "tempPath"))]
-    pub temp_path: Option<String>,
+    pub temp_path: Option<PathBuf>,
     #[serde(rename(deserialize = "magicRollback"))]
     pub magic_rollback: Option<bool>,
     #[serde(rename(deserialize = "sudo"))]
diff --git a/src/deploy.rs b/src/deploy.rs
index cc5d862..574e9b2 100644
--- a/src/deploy.rs
+++ b/src/deploy.rs
@@ -5,7 +5,7 @@
 // SPDX-License-Identifier: MPL-2.0
 
 use log::{debug, info};
-use std::borrow::Cow;
+use std::path::Path;
 use thiserror::Error;
 use tokio::process::Command;
 
@@ -16,7 +16,7 @@ struct ActivateCommandData<'a> {
     profile_path: &'a str,
     closure: &'a str,
     auto_rollback: bool,
-    temp_path: &'a str,
+    temp_path: &'a Path,
     confirm_timeout: u16,
     magic_rollback: bool,
     debug_logs: bool,
@@ -38,7 +38,7 @@ fn build_activate_command(data: &ActivateCommandData) -> String {
 
     self_activate_command = format!(
         "{} activate '{}' '{}' --temp-path '{}'",
-        self_activate_command, data.closure, data.profile_path, data.temp_path
+        self_activate_command, data.closure, data.profile_path, data.temp_path.display()
     );
 
     self_activate_command = format!(
@@ -77,7 +77,7 @@ fn test_activation_command_builder() {
     let auto_rollback = true;
     let dry_activate = false;
     let boot = false;
-    let temp_path = "/tmp";
+    let temp_path = Path::new("/tmp");
     let confirm_timeout = 30;
     let magic_rollback = true;
     let debug_logs = true;
@@ -105,7 +105,7 @@ fn test_activation_command_builder() {
 struct WaitCommandData<'a> {
     sudo: &'a Option<String>,
     closure: &'a str,
-    temp_path: &'a str,
+    temp_path: &'a Path,
     debug_logs: bool,
     log_dir: Option<&'a str>,
 }
@@ -123,7 +123,7 @@ fn build_wait_command(data: &WaitCommandData) -> String {
 
     self_activate_command = format!(
         "{} wait '{}' --temp-path '{}'",
-        self_activate_command, data.closure, data.temp_path,
+        self_activate_command, data.closure, data.temp_path.display(),
     );
 
     if let Some(sudo_cmd) = &data.sudo {
@@ -137,7 +137,7 @@ fn build_wait_command(data: &WaitCommandData) -> String {
 fn test_wait_command_builder() {
     let sudo = Some("sudo -u test".to_string());
     let closure = "/nix/store/blah/etc";
-    let temp_path = "/tmp";
+    let temp_path = Path::new("/tmp");
     let debug_logs = true;
     let log_dir = Some("/tmp/something.txt");
 
@@ -216,7 +216,7 @@ pub enum ConfirmProfileError {
 pub async fn confirm_profile(
     deploy_data: &super::DeployData<'_>,
     deploy_defs: &super::DeployDefs,
-    temp_path: Cow<'_, str>,
+    temp_path: &Path,
     ssh_addr: &str,
 ) -> Result<(), ConfirmProfileError> {
     let mut ssh_confirm_command = Command::new("ssh");
@@ -226,9 +226,9 @@ pub async fn confirm_profile(
         ssh_confirm_command.arg(ssh_opt);
     }
 
-    let lock_path = super::make_lock_path(&temp_path, &deploy_data.profile.profile_settings.path);
+    let lock_path = super::make_lock_path(temp_path, &deploy_data.profile.profile_settings.path);
 
-    let mut confirm_command = format!("rm {}", lock_path);
+    let mut confirm_command = format!("rm {}", lock_path.display());
     if let Some(sudo_cmd) = &deploy_defs.sudo {
         confirm_command = format!("{} {}", sudo_cmd, confirm_command);
     }
@@ -286,9 +286,9 @@ pub async fn deploy_profile(
         );
     }
 
-    let temp_path: Cow<str> = match &deploy_data.merged_settings.temp_path {
-        Some(x) => x.into(),
-        None => "/tmp".into(),
+    let temp_path: &Path = match &deploy_data.merged_settings.temp_path {
+        Some(x) => x,
+        None => Path::new("/tmp"),
     };
 
     let confirm_timeout = deploy_data.merged_settings.confirm_timeout.unwrap_or(30);
@@ -302,7 +302,7 @@ pub async fn deploy_profile(
         profile_path: &deploy_defs.profile_path,
         closure: &deploy_data.profile.profile_settings.path,
         auto_rollback,
-        temp_path: &temp_path,
+        temp_path: temp_path,
         confirm_timeout,
         magic_rollback,
         debug_logs: deploy_data.debug_logs,
@@ -350,7 +350,7 @@ pub async fn deploy_profile(
         let self_wait_command = build_wait_command(&WaitCommandData {
             sudo: &deploy_defs.sudo,
             closure: &deploy_data.profile.profile_settings.path,
-            temp_path: &temp_path,
+            temp_path: temp_path,
             debug_logs: deploy_data.debug_logs,
             log_dir: deploy_data.log_dir,
         });
diff --git a/src/lib.rs b/src/lib.rs
index 738fa81..bf1a6dc 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -12,10 +12,12 @@ use thiserror::Error;
 
 use flexi_logger::*;
 
-pub fn make_lock_path(temp_path: &str, closure: &str) -> String {
+use std::path::{Path, PathBuf};
+
+pub fn make_lock_path(temp_path: &Path, closure: &str) -> PathBuf {
     let lock_hash =
         &closure["/nix/store/".len()..closure.find('-').unwrap_or_else(|| closure.len())];
-    format!("{}/deploy-rs-canary-{}", temp_path, lock_hash)
+    temp_path.join(format!("deploy-rs-canary-{}", lock_hash))
 }
 
 const fn make_emoji(level: log::Level) -> &'static str {
@@ -159,7 +161,7 @@ pub struct CmdOverrides {
     pub auto_rollback: Option<bool>,
     pub hostname: Option<String>,
     pub magic_rollback: Option<bool>,
-    pub temp_path: Option<String>,
+    pub temp_path: Option<PathBuf>,
     pub confirm_timeout: Option<u16>,
     pub sudo: Option<String>,
     pub dry_activate: bool,