diff --git a/.cargo/config.toml b/.cargo/config.toml
deleted file mode 100644
index bf09108..0000000
--- a/.cargo/config.toml
+++ /dev/null
@@ -1 +0,0 @@
-paths = ["../xx"]
diff --git a/Cargo.lock b/Cargo.lock
index 4351fcd..09ddf1e 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -467,7 +467,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "33d852cb9b869c2a9b3df2f71a3074817f01e1844f839a144f5fcef059a4eb5d"
 dependencies = [
  "libc",
- "windows-sys 0.59.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -1443,7 +1443,7 @@ dependencies = [
  "errno 0.3.10",
  "libc",
  "linux-raw-sys",
- "windows-sys 0.59.0",
+ "windows-sys 0.52.0",
 ]
 
 [[package]]
@@ -2042,7 +2042,7 @@ version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "cf221c93e13a30d793f7645a0e7762c55d169dbb0a49671918a2319d289b10bb"
 dependencies = [
- "windows-sys 0.59.0",
+ "windows-sys 0.48.0",
 ]
 
 [[package]]
@@ -2272,9 +2272,9 @@ dependencies = [
 
 [[package]]
 name = "xx"
-version = "2.0.0"
+version = "2.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f2c507cfdc3944bf23d0ef0fc39894bd05b566828bb961dbd1dc42e013d99f99"
+checksum = "53ba8e1329637bfde9509cf8be1b3b9eed7c0130e60408a45f6d514a11f7974b"
 dependencies = [
  "duct",
  "filetime",
diff --git a/src/cli/activate.rs b/src/cli/activate.rs
index b4b30f8..d36a3a2 100644
--- a/src/cli/activate.rs
+++ b/src/cli/activate.rs
@@ -1,4 +1,4 @@
-use crate::Result;
+use crate::{env, Result};
 
 /// Activate pitchfork in your shell session
 ///
@@ -13,6 +13,21 @@ pub struct Activate {
 
 impl Activate {
     pub async fn run(&self) -> Result<()> {
-        unimplemented!();
+        let s = match self.shell.as_str() {
+            "fish" => {
+                format!(
+                    r#"
+function __pitchfork --on-variable PWD
+    {} cd --shell-pid "$fish_pid"
+end
+__pitchfork
+"#,
+                    env::BIN_PATH.display()
+                )
+            }
+            _ => unimplemented!(),
+        };
+        println!("{}", s.trim());
+        Ok(())
     }
 }
diff --git a/src/cli/cd.rs b/src/cli/cd.rs
new file mode 100644
index 0000000..a795546
--- /dev/null
+++ b/src/cli/cd.rs
@@ -0,0 +1,15 @@
+use crate::Result;
+
+#[derive(Debug, clap::Args)]
+#[clap(hide = true, verbatim_doc_comment)]
+pub struct Cd {
+    #[clap(long)]
+    shell_pid: u32,
+}
+
+impl Cd {
+    pub async fn run(&self) -> Result<()> {
+        dbg!(self);
+        Ok(())
+    }
+}
diff --git a/src/cli/mod.rs b/src/cli/mod.rs
index 600c4d0..27f6068 100644
--- a/src/cli/mod.rs
+++ b/src/cli/mod.rs
@@ -3,6 +3,7 @@ use clap::Parser;
 
 mod activate;
 mod add;
+mod cd;
 mod clean;
 mod completion;
 mod disable;
@@ -28,6 +29,7 @@ struct Cli {
 enum Commands {
     Activate(activate::Activate),
     Add(add::Add),
+    Cd(cd::Cd),
     Clean(clean::Clean),
     Completion(completion::Completion),
     Disable(disable::Disable),
@@ -50,6 +52,7 @@ pub async fn run() -> Result<()> {
     match args.command {
         Commands::Activate(activate) => activate.run().await,
         Commands::Add(add) => add.run().await,
+        Commands::Cd(cd) => cd.run().await,
         Commands::Clean(clean) => clean.run().await,
         Commands::Completion(completion) => completion.run().await,
         Commands::Disable(disable) => disable.run().await,