From 8207c28b6d0eed735858eb07c42906b62cdd64a5 Mon Sep 17 00:00:00 2001
From: wuaoxiang <pylint@yandex.com>
Date: Mon, 12 Oct 2020 11:00:53 +0800
Subject: [PATCH] Add fetch git last commit info example

---
 examples/basic_execute_shell_command.rs | 27 ++++++++++++++++---------
 examples/double_linked_list.rs          |  4 ++--
 examples/gzip.rs                        |  2 --
 examples/rust_decimal_lib_test.rs       |  2 +-
 4 files changed, 20 insertions(+), 15 deletions(-)

diff --git a/examples/basic_execute_shell_command.rs b/examples/basic_execute_shell_command.rs
index ede79e4..5c1d275 100644
--- a/examples/basic_execute_shell_command.rs
+++ b/examples/basic_execute_shell_command.rs
@@ -1,12 +1,19 @@
-use std::process::Command;
+#[derive(serde::Deserialize, Debug)]
+struct CommitInfo {
+    hash: String,
+    date: String,
+    message: String
+}
 
-fn main() {
-    let mut cmd = Command::new("df");
-    cmd.arg("-h");
-    match cmd.output() {
-        Ok(output) => unsafe {
-            println!("{}", String::from_utf8_unchecked(output.stdout));
-        },
-        Err(e) => println!("{}", e),
-    }
+fn main() -> Result<(), Box<dyn std::error::Error>> {
+    let cmd_res = std::process::Command::new("git")
+        .arg("log")
+        .arg("-1")
+        .arg("--pretty=format:hash=\"%h\"\ndate=\"%ad\"\nmessage=\"%s\"")
+        .env("DATABASE_URL", "null")
+        .output()?;
+    let last_commit_str = String::from_utf8(cmd_res.stdout)?;
+    let last_commit: CommitInfo = toml::de::from_str(&last_commit_str)?;
+    dbg!(last_commit);
+    Ok(())
 }
diff --git a/examples/double_linked_list.rs b/examples/double_linked_list.rs
index 46d8cf9..0ca7019 100644
--- a/examples/double_linked_list.rs
+++ b/examples/double_linked_list.rs
@@ -23,7 +23,7 @@ struct List<T> {
     tail: Node<T>,
 }
 
-// impl List<T> {
+// impl<T> List<T> {
 //     fn new(dummy_val: T) -> Self {
 //         let mut head = Node::new(dummy_val);
 //         let mut tail = Node::new(dummy_val);
@@ -37,5 +37,5 @@ struct List<T> {
 // }
 
 fn main() {
-    let mut head: Node<i32> = Node::new(-1);
+    let _head: Node<i32> = Node::new(-1);
 }
diff --git a/examples/gzip.rs b/examples/gzip.rs
index 7a6fbd7..ca8c6a0 100644
--- a/examples/gzip.rs
+++ b/examples/gzip.rs
@@ -22,6 +22,4 @@ fn main() {
     let decode_str = decode_gzip_bytes_to_str(gzip_bytes);
     println!("{}", decode_str);
     assert_eq!(decode_str.as_str(), s);
-
-    use std::collections::BinaryHeap;
 }
diff --git a/examples/rust_decimal_lib_test.rs b/examples/rust_decimal_lib_test.rs
index edc97e2..e919312 100644
--- a/examples/rust_decimal_lib_test.rs
+++ b/examples/rust_decimal_lib_test.rs
@@ -1,7 +1,7 @@
 use bigdecimal::BigDecimal;
 use rust_decimal::Decimal;
 // use rust_decimal::prelude::FromStr;
-use rust_decimal::prelude::ToPrimitive;
+
 use std::mem::size_of_val;
 use std::str::FromStr;