Fix tests and update dependencies

Author: yaa110

.github/workflows/build.yml

@@ -0,0 +1,20 @@
+name: Build
+
+on:
+  push:
+    branches: [master]
+  pull_request:
+    branches: [master]
+
+jobs:
+  linux:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: actions-rs/toolchain@v1
+        with:
+          toolchain: stable
+          components: rustfmt, clippy
+      - run: sudo -E `which cargo` test -j`nproc` -- --ignored --test-threads 1
+      - run: sudo -E `which cargo` fmt -- --check
+      - run: sudo -E `which cargo` clippy -j`nproc`

.travis.yml

@@ -1,21 +1,21 @@
 [package]
-name = "iptables"
-version = "0.4.3"
 authors = ["Navid Fathollahzade <yaa110@gmail.com>", "Pit Kleyersburg <pitkley@googlemail.com>"]
-edition = "2018"
+categories = ["api-bindings"]
 description = "Rust bindings for iptables"
-homepage = "https://github.com/yaa110/rust-iptables"
 documentation = "https://github.com/yaa110/rust-iptables"
-repository = "https://github.com/yaa110/rust-iptables"
-readme = "README.md"
+edition = "2021"
+homepage = "https://github.com/yaa110/rust-iptables"
 keywords = ["iptables", "netfilter", "bindings"]
-categories = ["api-bindings"]
 license = "MIT"
+name = "iptables"
+readme = "README.md"
+repository = "https://github.com/yaa110/rust-iptables"
+version = "0.5.0"
 
 [lib]
 name = "iptables"
 
 [dependencies]
 lazy_static = "1.4"
+nix = "0.23"
 regex = "1.4"
-nix = "0.20"

Cargo.toml

@@ -7,7 +7,7 @@ This crate provides bindings for [iptables](https://www.netfilter.org/projects/i
 
 ```toml
 [dependencies]
-iptables = "0.4"
+iptables = "*"
 ```
 
 ## Getting started

README.md

@@ -202,9 +202,11 @@ impl IPTables {
     #[cfg(target_os = "linux")]
     pub fn chain_exists(&self, table: &str, chain: &str) -> Result<bool, Box<dyn Error>> {
         match self.is_numeric {
-            false => self.run(&["-t", table, "-L", chain])
+            false => self
+                .run(&["-t", table, "-L", chain])
                 .map(|output| output.status.success()),
-            true => self.run(&["-t", table, "-L", chain, "-n"])
+            true => self
+                .run(&["-t", table, "-L", chain, "-n"])
                 .map(|output| output.status.success()),
         }
     }
@@ -221,7 +223,7 @@ impl IPTables {
             }),
             true => self.run(&["-t", table, "-S", "-n"]).map(|output| {
                 String::from_utf8_lossy(&output.stdout).contains(&format!("-A {} {}", chain, rule))
-            })
+            }),
         }
     }
 
@@ -330,7 +332,7 @@ impl IPTables {
         match self.is_numeric {
             false => self.get_list(&["-t", table, "-S", chain]),
             true => self.get_list(&["-t", table, "-S", chain, "-n"]),
-        }        
+        }
     }
 
     /// Lists rules in the table.
@@ -422,7 +424,7 @@ impl IPTables {
                     FlockArg::LockExclusiveNonblock,
                 ) {
                     Ok(_) => need_retry = false,
-                    Err(nix::Error::Sys(en)) if en == nix::errno::Errno::EAGAIN => {
+                    Err(e) if e == nix::errno::Errno::EAGAIN => {
                         // FIXME: may cause infinite loop
                         need_retry = true;
                     }

src/lib.rs

@@ -15,6 +15,7 @@ fn test_old() {
             cmd: "iptables",
             has_wait: false,
             has_check: false,
+            is_numeric: false,
         },
         "NATOLD",
         "NATOLD2",
@@ -25,6 +26,7 @@ fn test_old() {
             cmd: "iptables",
             has_wait: false,
             has_check: false,
+            is_numeric: false,
         },
         "FILTEROLD",
     );