From 2409bb20bb16dfaabfa7d1ba826733aefb99f064 Mon Sep 17 00:00:00 2001
From: Sondre Nilsen <nilsen.sondre@gmail.com>
Date: Mon, 15 Oct 2018 02:35:37 +0200
Subject: [PATCH] Walk the commit tree for authors

---
 src/main.rs | 25 ++++++++++++++++++++++++-
 1 file changed, 24 insertions(+), 1 deletion(-)

diff --git a/src/main.rs b/src/main.rs
index e7c5ba1..805d947 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -2,7 +2,7 @@
 #![forbid(unsafe_code)]
 extern crate git2;
 
-use git2::Repository;
+use git2::{Commit, Repository};
 use std::collections::HashMap;
 use std::env;
 use std::error::Error;
@@ -28,16 +28,39 @@ fn main() -> Result<(), Box<Error>> {
     let curses: Vec<&str> = CURSES.lines().collect();
     let path = env::current_dir()?;
     let repo = Repository::open(path)?;
+    let mut revwalk = repo.revwalk()?;
     let mut occurrences: HashMap<&str, usize> = HashMap::new();
+    let mut commits: Vec<Commit> = Vec::new();
     for curse in &curses {
         occurrences.entry(curse).or_insert(0);
     }
+    revwalk.push_head()?;
+    for commit in revwalk {
+        let commit = repo.find_commit(commit?)?;
+        commits.push(commit);
+    }
+    let mut authors: Vec<Author> = find_authors(&commits);
     println!("{:?}", repo.workdir());
     filter_occurrences(&mut occurrences);
     println!("{:#?}", occurrences);
+    println!("{:#?}", commits);
+    print!("{:#?}", authors);
     Ok(())
 }
 
+fn find_authors(commits: &[Commit]) -> Vec<Author> {
+    let mut names: Vec<String> = Vec::new();
+    let mut res: Vec<Author> = Vec::new();
+    for commit in commits {
+        let name = commit.author().name().unwrap().to_string();
+        if !names.contains(&name) {
+            res.push(Author::new(name.as_str(), HashMap::new()));
+        }
+        names.push(name);
+    }
+    res
+}
+
 fn update_occurrence<'a>(word: &'a str, map: &mut HashMap<&'a str, usize>) {
     map.entry(word).and_modify(|i| *i += 1);
 }