add tldr and base

crates/tldr/src/update.rs

@@ -0,0 +1,32 @@
+pub struct Update;
+
+impl util::Cmd for Update {
+    fn cmd() -> eyre::Result<clap::Command> {
+        Ok(clap::Command::new("update"))
+    }
+
+    fn exec(_: &clap::ArgMatches) -> eyre::Result<()> {
+        let cache_dir =
+            dirs::cache_dir().ok_or(eyre::anyhow!("could not find a valid cache dir"))?;
+
+        let mut tldr_cache_dir = cache_dir.clone();
+        tldr_cache_dir.push("kah-toolkit/tldr/store/");
+
+        std::fs::remove_dir_all(&tldr_cache_dir)?;
+        std::fs::create_dir_all(&tldr_cache_dir)?;
+
+        util::shell::run(
+            format!(
+                "gh repo clone tldr-pages/tldr {}",
+                &tldr_cache_dir
+                    .to_str()
+                    .ok_or(eyre::anyhow!("pathstring contains non ascii-characters"))?
+            )
+            .split(" ")
+            .collect::<Vec<&str>>()
+            .as_slice(),
+        )?;
+
+        Ok(())
+    }
+}