Cleanup clippy lints

Signed-off-by: John Eckersberg <jeckersb@redhat.com>

lib/src/cli.rs

@@ -293,10 +293,8 @@ pub(crate) async fn prepare_for_write() -> Result<()> {
         );
     }
     ensure_self_unshared_mount_namespace().await?;
-    if crate::lsm::selinux_enabled()? {
-        if !crate::lsm::selinux_ensure_install()? {
-            tracing::warn!("Do not have install_t capabilities");
-        }
+    if crate::lsm::selinux_enabled()? && !crate::lsm::selinux_ensure_install()? {
+        tracing::warn!("Do not have install_t capabilities");
     }
     Ok(())
 }

lib/src/install.rs

@@ -1232,7 +1232,7 @@ struct RootMountInfo {
 /// Discover how to mount the root filesystem, using existing kernel arguments and information
 /// about the root mount.
 fn find_root_args_to_inherit(cmdline: &[&str], root_info: &Filesystem) -> Result<RootMountInfo> {
-    let cmdline = || cmdline.iter().map(|&s| s);
+    let cmdline = || cmdline.iter().copied();
     let root = crate::kernel::find_first_cmdline_arg(cmdline(), "root");
     // If we have a root= karg, then use that
     let (mount_spec, kargs) = if let Some(root) = root {

lib/src/install/baseline.rs

@@ -349,7 +349,7 @@ pub(crate) fn install_create_rootfs(
     let bootsrc = format!("UUID={boot_uuid}");
     let bootarg = format!("boot={bootsrc}");
     let boot = MountSpec {
-        source: bootsrc.into(),
+        source: bootsrc,
         target: "/boot".into(),
         fstype: MountSpec::AUTO.into(),
         options: Some("ro".into()),

xtask/src/xtask.rs

@@ -134,7 +134,7 @@ fn man2markdown(sh: &Shell) -> Result<()> {
 fn git_timestamp(sh: &Shell) -> Result<String> {
     let ts = cmd!(sh, "git show -s --format=%ct").read()?;
     let ts = ts.trim().parse::<i64>()?;
-    let ts = chrono::NaiveDateTime::from_timestamp_opt(ts, 0)
+    let ts = chrono::DateTime::from_timestamp(ts, 0)
         .ok_or_else(|| anyhow::anyhow!("Failed to parse timestamp"))?;
     Ok(ts.format("%Y%m%d%H%M").to_string())
 }