This is it

Squashed commit of all the exploration history. Development starts here.

Signed-off-by: Kim Altintop <kim@eagain.io>

1 files changed, 31 insertions, 0 deletions

diff --git a/src/git/config.rs b/src/git/config.rs
new file mode 100644
index 0000000..bc8dfcc
--- /dev/null
+++ b/src/git/config.rs
@@ -0,0 +1,31 @@
+// Copyright © 2022 Kim Altintop <kim@eagain.io>
+// SPDX-License-Identifier: GPL-2.0-only WITH openvpn-openssl-exception
+
+use std::ops::Deref;
+
+/// A read-only snapshot of a [`git2::Config`]
+pub struct Snapshot(git2::Config);
+
+impl Deref for Snapshot {
+    type Target = git2::Config;
+
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl TryFrom<git2::Config> for Snapshot {
+    type Error = git2::Error;
+
+    fn try_from(mut cfg: git2::Config) -> Result<Self, Self::Error> {
+        cfg.snapshot().map(Self)
+    }
+}
+
+impl TryFrom<&mut git2::Config> for Snapshot {
+    type Error = git2::Error;
+
+    fn try_from(cfg: &mut git2::Config) -> Result<Self, Self::Error> {
+        cfg.snapshot().map(Self)
+    }
+}