deps: update bitflags to v2

Signed-off-by: Aleksa Sarai <[email protected]>

Cargo.toml

@@ -44,7 +44,7 @@ panic = "abort"
 
 [dependencies]
 backtrace = "^0.3"
-bitflags = "^1"
+bitflags = "^2"
 lazy_static = "^1"
 libc = "^0.2"
 snafu = { version = "^0.6", features = ["backtraces-impl-backtrace-crate"] }

src/resolvers/kernel.rs

@@ -45,7 +45,7 @@ pub(crate) fn resolve<P: AsRef<Path>>(
     // resolving magic-links. RESOLVE_IN_ROOT already blocks magic-link
     // crossings, but that may change in the future (if the magic-links are
     // considered "safe") but we should still explicitly avoid them entirely.
-    how.resolve = libc::RESOLVE_IN_ROOT | libc::RESOLVE_NO_MAGICLINKS | flags.bits;
+    how.resolve = libc::RESOLVE_IN_ROOT | libc::RESOLVE_NO_MAGICLINKS | flags.bits();
 
     // openat2(2) can fail with -EAGAIN if there was a racing rename or mount
     // *anywhere on the system*. This can happen pretty frequently, so what we

src/resolvers/mod.rs

@@ -31,7 +31,7 @@ bitflags! {
     /// Optional flags to modify the resolution of paths inside a [`Root`].
     ///
     /// [`Root`]: struct.Root.html
-    #[derive(Default)]
+    #[derive(Default, PartialEq, Eq, PartialOrd, Ord, Hash, Debug, Clone, Copy)]
     pub struct ResolverFlags: u64 {
         const NO_SYMLINKS = libc::RESOLVE_NO_SYMLINKS;
     }