From 623954d19fdf0dca47db319e5c88ee561aa8d25c Mon Sep 17 00:00:00 2001
From: Katharina Fey <kookie@spacekookie.de>
Date: Tue, 27 Oct 2020 15:15:23 +0100
Subject: Adding raw git repository utilities

---
 supergit/src/raw/branch_walk.rs | 18 ++++++++++++++++++
 supergit/src/raw/mod.rs         | 25 ++++++++++++++-----------
 2 files changed, 32 insertions(+), 11 deletions(-)

(limited to 'supergit/src/raw')

diff --git a/supergit/src/raw/branch_walk.rs b/supergit/src/raw/branch_walk.rs
index dfc7485..d4232c4 100644
--- a/supergit/src/raw/branch_walk.rs
+++ b/supergit/src/raw/branch_walk.rs
@@ -1 +1,19 @@
 //! Walk along a branch parsing commit metadata
+
+use std::collections::{BTreeMap, BTreeSet};
+
+pub struct CommitHistory {
+    /// The correct order of commit IDs
+    order: Vec<String>,
+    /// Map of commit IDs to commit metadata
+    meta: BTreeMap<String, CommitNode>,
+}
+
+pub struct CommitNode {
+    id: String,
+    author: String,
+    commiter: String,
+    message: String,
+    touches: BTreeSet<String>,
+    time: u64,
+}
diff --git a/supergit/src/raw/mod.rs b/supergit/src/raw/mod.rs
index 98602ca..7bf6c0a 100644
--- a/supergit/src/raw/mod.rs
+++ b/supergit/src/raw/mod.rs
@@ -3,13 +3,14 @@
 mod branch_walk;
 mod tree_walk;
 
+use crate::{Branch, BranchCommit};
 use git2::{self, Repository};
 
-pub(crate) type RawResult<T> = Result<T, RawError>;
+pub type RawResult<T> = Result<T, RawError>;
 
 /// An error abstraction for raw git operations
 #[derive(Debug)]
-pub(crate) enum RawError {
+pub enum RawError {
     AllBad,
 }
 
@@ -19,24 +20,26 @@ impl From<git2::Error> for RawError {
     }
 }
 
+/// Represent a raw branch
+pub struct RawBranch {
+    name: String,
+    head: String,
+}
+
 /// Wrap a libgit2 repository to provide an API fascade
-pub(crate) struct RawRepository {
+pub struct RawRepository {
     inner: Repository,
 }
 
 impl RawRepository {
-    pub(crate) fn open(path: &str) -> RawResult<Self> {
+    pub fn open(path: &str) -> RawResult<Self> {
         Ok(Self {
             inner: Repository::open(path)?,
         })
     }
 
-    /// Sync the backing storage with the backing git repo
-    ///
-    /// This function can be invoked manually, but should be invoked
-    /// basically every time your program expects changes to have
-    /// happened.  Polling this function is not recommended.
-    pub(crate) fn update(&self) -> RawResult<()> {
-        Ok(())
+    /// Parse branch data from repository
+    pub fn parse_branches(&self) -> RawResult<Vec<RawBranch>> {
+        todo!()
     }
 }
-- 
cgit v1.2.3