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From: Dominik Csapak <d.csapak@proxmox.com>
To: pbs-devel@lists.proxmox.com
Date: Fri, 16 Apr 2021 12:29:09 +0200
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Subject: [pbs-devel] [PATCH proxmox-backup v2 13/14]
 bin/proxmox-file-restore: clippy fixes
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fixes:
* redundant_closure
* `.len() >= 0` => `!.is_empty()`
* unnecessary clone
* `if let Err(_)` => `.is_err()`

Signed-off-by: Dominik Csapak <d.csapak@proxmox.com>
---
 src/bin/proxmox-file-restore.rs                   | 4 +++-
 src/bin/proxmox_file_restore/block_driver_qemu.rs | 2 +-
 src/bin/proxmox_file_restore/qemu_helper.rs       | 4 ++--
 3 files changed, 6 insertions(+), 4 deletions(-)

diff --git a/src/bin/proxmox-file-restore.rs b/src/bin/proxmox-file-restore.rs
index c9ef3912..a225998c 100644
--- a/src/bin/proxmox-file-restore.rs
+++ b/src/bin/proxmox-file-restore.rs
@@ -56,7 +56,7 @@ fn parse_path(path: String, base64: bool) -> Result<ExtractPath, Error> {
         return Ok(ExtractPath::ListArchives);
     }
 
-    while bytes.len() > 0 && bytes[0] == b'/' {
+    while !bytes.is_empty() && bytes[0] == b'/' {
         bytes.remove(0);
     }
 
@@ -451,6 +451,8 @@ fn main() {
     run_cli_command(
         cmd_def,
         rpcenv,
+        // is a false positive, does not compile without the closure
+        #[allow(clippy::redundant_closure)]
         Some(|future| proxmox_backup::tools::runtime::main(future)),
     );
 }
diff --git a/src/bin/proxmox_file_restore/block_driver_qemu.rs b/src/bin/proxmox_file_restore/block_driver_qemu.rs
index 607d7d8e..a4a5e011 100644
--- a/src/bin/proxmox_file_restore/block_driver_qemu.rs
+++ b/src/bin/proxmox_file_restore/block_driver_qemu.rs
@@ -165,7 +165,7 @@ async fn ensure_running(details: &SnapRestoreDetails) -> Result<VsockClient, Err
     Ok(VsockClient::new(
         new_cid,
         DEFAULT_VSOCK_PORT,
-        Some(vms.ticket.clone()),
+        Some(vms.ticket),
     ))
 }
 
diff --git a/src/bin/proxmox_file_restore/qemu_helper.rs b/src/bin/proxmox_file_restore/qemu_helper.rs
index 22563263..eaed3dab 100644
--- a/src/bin/proxmox_file_restore/qemu_helper.rs
+++ b/src/bin/proxmox_file_restore/qemu_helper.rs
@@ -124,10 +124,10 @@ pub async fn start_vm(
 ) -> Result<(i32, i32), Error> {
     validate_img_existance()?;
 
-    if let Err(_) = std::env::var("PBS_PASSWORD") {
+    if std::env::var("PBS_PASSWORD").is_err() {
         bail!("environment variable PBS_PASSWORD has to be set for QEMU VM restore");
     }
-    if let Err(_) = std::env::var("PBS_FINGERPRINT") {
+    if std::env::var("PBS_FINGERPRINT").is_err() {
         bail!("environment variable PBS_FINGERPRINT has to be set for QEMU VM restore");
     }
 
-- 
2.20.1