1 files changed, 126 insertions, 0 deletions
diff --git a/vendor/git2/examples/clone.rs b/vendor/git2/examples/clone.rs
new file mode 100644
index 000000000..5af73222f
--- /dev/null
+++ b/vendor/git2/examples/clone.rs
@@ -0,0 +1,126 @@
+/*
+ * libgit2 "clone" example
+ *
+ * Written by the libgit2 contributors
+ *
+ * To the extent possible under law, the author(s) have dedicated all copyright
+ * and related and neighboring rights to this software to the public domain
+ * worldwide. This software is distributed without any warranty.
+ *
+ * You should have received a copy of the CC0 Public Domain Dedication along
+ * with this software. If not, see
+ * <http://creativecommons.org/publicdomain/zero/1.0/>.
+ */
+
+#![deny(warnings)]
+
+use git2::build::{CheckoutBuilder, RepoBuilder};
+use git2::{FetchOptions, Progress, RemoteCallbacks};
+use std::cell::RefCell;
+use std::io::{self, Write};
+use std::path::{Path, PathBuf};
+use structopt::StructOpt;
+
+#[derive(StructOpt)]
+struct Args {
+    #[structopt(name = "url")]
+    arg_url: String,
+    #[structopt(name = "path")]
+    arg_path: String,
+}
+
+struct State {
+    progress: Option<Progress<'static>>,
+    total: usize,
+    current: usize,
+    path: Option<PathBuf>,
+    newline: bool,
+}
+
+fn print(state: &mut State) {
+    let stats = state.progress.as_ref().unwrap();
+    let network_pct = (100 * stats.received_objects()) / stats.total_objects();
+    let index_pct = (100 * stats.indexed_objects()) / stats.total_objects();
+    let co_pct = if state.total > 0 {
+        (100 * state.current) / state.total
+    } else {
+        0
+    };
+    let kbytes = stats.received_bytes() / 1024;
+    if stats.received_objects() == stats.total_objects() {
+        if !state.newline {
+            println!();
+            state.newline = true;
+        }
+        print!(
+            "Resolving deltas {}/{}\r",
+            stats.indexed_deltas(),
+            stats.total_deltas()
+        );
+    } else {
+        print!(
+            "net {:3}% ({:4} kb, {:5}/{:5})  /  idx {:3}% ({:5}/{:5})  \
+             /  chk {:3}% ({:4}/{:4}) {}\r",
+            network_pct,
+            kbytes,
+            stats.received_objects(),
+            stats.total_objects(),
+            index_pct,
+            stats.indexed_objects(),
+            stats.total_objects(),
+            co_pct,
+            state.current,
+            state.total,
+            state
+                .path
+                .as_ref()
+                .map(|s| s.to_string_lossy().into_owned())
+                .unwrap_or_default()
+        )
+    }
+    io::stdout().flush().unwrap();
+}
+
+fn run(args: &Args) -> Result<(), git2::Error> {
+    let state = RefCell::new(State {
+        progress: None,
+        total: 0,
+        current: 0,
+        path: None,
+        newline: false,
+    });
+    let mut cb = RemoteCallbacks::new();
+    cb.transfer_progress(|stats| {
+        let mut state = state.borrow_mut();
+        state.progress = Some(stats.to_owned());
+        print(&mut *state);
+        true
+    });
+
+    let mut co = CheckoutBuilder::new();
+    co.progress(|path, cur, total| {
+        let mut state = state.borrow_mut();
+        state.path = path.map(|p| p.to_path_buf());
+        state.current = cur;
+        state.total = total;
+        print(&mut *state);
+    });
+
+    let mut fo = FetchOptions::new();
+    fo.remote_callbacks(cb);
+    RepoBuilder::new()
+        .fetch_options(fo)
+        .with_checkout(co)
+        .clone(&args.arg_url, Path::new(&args.arg_path))?;
+    println!();
+
+    Ok(())
+}
+
+fn main() {
+    let args = Args::from_args();
+    match run(&args) {
+        Ok(()) => {}
+        Err(e) => println!("error: {}", e),
+    }
+}