2 files changed, 10 insertions, 9 deletions

diff --git a/xtask/Cargo.toml b/xtask/Cargo.toml
index b17dde598..e084f0df6 100644
--- a/xtask/Cargo.toml
+++ b/xtask/Cargo.toml
@@ -15,5 +15,5 @@ ungrammar = "=1.11"
 walkdir = "2.3.1"
 write-json = "0.1.0"
 xshell = "0.1"
-xflags = "0.1.2"
+xflags = "0.2.1"
 # Avoid adding more dependencies to this crate
diff --git a/xtask/src/flags.rs b/xtask/src/flags.rs
index 56eda5b1e..b39d937ca 100644
--- a/xtask/src/flags.rs
+++ b/xtask/src/flags.rs
@@ -2,7 +2,9 @@
 
 use crate::install::{ClientOpt, Malloc, ServerOpt};
 
-xflags::args_parser! {
+xflags::xflags! {
+    src "./src/flags.rs"
+
     /// Run custom build command.
     cmd xtask {
         default cmd help {
@@ -55,7 +57,7 @@ xflags::args_parser! {
 
 // generated start
 // The following code is generated by `xflags` macro.
-// Run `env XFLAGS_DUMP= cargo build` to regenerate.
+// Run `env UPDATE_XFLAGS=1 cargo build` to regenerate.
 #[derive(Debug)]
 pub struct Xtask {
     pub subcommand: XtaskCmd,
@@ -96,13 +98,13 @@ pub struct Codegen {
 }
 
 #[derive(Debug)]
-pub struct Lint {}
+pub struct Lint;
 
 #[derive(Debug)]
-pub struct FuzzTests {}
+pub struct FuzzTests;
 
 #[derive(Debug)]
-pub struct PreCache {}
+pub struct PreCache;
 
 #[derive(Debug)]
 pub struct Release {
@@ -131,11 +133,10 @@ pub struct Bb {
 }
 
 impl Xtask {
-    pub const HELP: &'static str = Self::_HELP;
+    pub const HELP: &'static str = Self::HELP_;
 
     pub fn from_env() -> xflags::Result<Self> {
-        let mut p = xflags::rt::Parser::new_from_env();
-        Self::_parse(&mut p)
+        Self::from_env_()
     }
 }
 // generated end