From 362ee2f641ee5578dc492df752151df3077d324f Mon Sep 17 00:00:00 2001
From: Tom Smeding <tom.smeding@gmail.com>
Date: Thu, 7 May 2020 13:51:24 +0200
Subject: Annotate types in the graph

---
 src/main.rs | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/src/main.rs b/src/main.rs
index d6e9013..b891595 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -148,11 +148,11 @@ fn write_dot<W: Write, F: Fn(&git2::Oid) -> bool>(stream: &mut W, history: &mut
 
     match history.node_for(key).unwrap() {
         HistoryNode::Genesis(oid) => {
-            writeln!(stream, "\t\"{}\" [label=\"G\"];", oid)?;
+            writeln!(stream, "\t\"{}\" [label=\"G= {}\"];", oid, oid)?;
             next_keys = Vec::new();
         },
         HistoryNode::Reference(oid, parents) => {
-            writeln!(stream, "\t\"{}\" [label=\"{}\"];", oid, refmap.get(oid).unwrap().reference.shorthand().expect("Reference name not valid utf8"))?;
+            writeln!(stream, "\t\"{}\" [label=\"R= {}\"];", oid, refmap.get(oid).unwrap().reference.shorthand().expect("Reference name not valid utf8"))?;
             // writeln!(stream, "\t\"{}\" [label=\"R\"];", oid)?;
             for &parent in parents {
                 let node = history.node_for(parent).unwrap();
@@ -161,7 +161,7 @@ fn write_dot<W: Write, F: Fn(&git2::Oid) -> bool>(stream: &mut W, history: &mut
             next_keys = parents.clone();
         },
         HistoryNode::Merge(oid, parents) => {
-            writeln!(stream, "\t\"{}\" [label=\"\"];", oid)?;
+            writeln!(stream, "\t\"{}\" [label=\"M= {}\"];", oid, if (history.is_reference)(oid) { refmap.get(oid).unwrap().reference.shorthand().expect("Reference name not valid utf8") } else { "" })?;
             for &parent in parents {
                 let node = history.node_for(parent).unwrap();
                 writeln!(stream, "\t\"{}\" -> \"{}\";", node.oid(), oid)?;
@@ -190,15 +190,17 @@ fn main() -> Result<()> {
 
     for reference in repo.references().to_io_result()? {
         let reference = reference.to_io_result()?;
+        eprintln!("reference: {:?}", reference.name());
         if reference.is_tag() || reference.is_remote() {
             let reference = reference.resolve().to_io_result()?;
             match reference.peel_to_commit() {
                 Ok(commit) => {
-                    let oid = reference.target().expect("Resolved reference is not a direct reference?");
+                    // let oid = reference.target().expect("Resolved reference is not a direct reference?");
+                    eprintln!("  -> taken commit id \x1B[41m{}\x1B[0m", commit.id());
+                    // eprintln!("{} {}",
+                    //           reference.name().expect("Invalid utf8 in reference name"),
+                    //           commit.id());
                     refmap.insert(commit.id(), RefInfo { reference, commit });
-                    // println!("{} {}",
-                    //          reference.name().expect("Invalid utf8 in reference name"),
-                    //          commit.id());
                 }
                 Err(_) => {},
             }
-- 
cgit v1.2.3