From 9133ef360714e6f99c754aecf3077fdf15fe8933 Mon Sep 17 00:00:00 2001
From: "josh@gitbutler.com" <josh@gitbutler.com>
Date: Tue, 12 Dec 2023 17:25:15 +0100
Subject: [PATCH] add `DefaultTrue` type

---
 packages/tauri/src/lib.rs                |   1 +
 packages/tauri/src/types.rs              |   1 +
 packages/tauri/src/types/default_true.rs | 113 +++++++++++++++++++++++
 3 files changed, 115 insertions(+)
 create mode 100644 packages/tauri/src/types.rs
 create mode 100644 packages/tauri/src/types/default_true.rs

diff --git a/packages/tauri/src/lib.rs b/packages/tauri/src/lib.rs
index 265c914a0..0bcf3c14a 100644
--- a/packages/tauri/src/lib.rs
+++ b/packages/tauri/src/lib.rs
@@ -24,6 +24,7 @@ pub mod sentry;
 pub mod sessions;
 pub mod ssh;
 pub mod storage;
+pub mod types;
 pub mod users;
 pub mod virtual_branches;
 pub mod watcher;
diff --git a/packages/tauri/src/types.rs b/packages/tauri/src/types.rs
new file mode 100644
index 000000000..3fa5f859e
--- /dev/null
+++ b/packages/tauri/src/types.rs
@@ -0,0 +1 @@
+pub mod default_true;
diff --git a/packages/tauri/src/types/default_true.rs b/packages/tauri/src/types/default_true.rs
new file mode 100644
index 000000000..1e865eae6
--- /dev/null
+++ b/packages/tauri/src/types/default_true.rs
@@ -0,0 +1,113 @@
+#[derive(Clone, Copy, PartialEq, Eq, Hash)]
+pub struct DefaultTrue(bool);
+
+impl core::fmt::Debug for DefaultTrue {
+    #[inline]
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        <bool as core::fmt::Debug>::fmt(&self.0, f)
+    }
+}
+
+impl core::fmt::Display for DefaultTrue {
+    #[inline]
+    fn fmt(&self, f: &mut core::fmt::Formatter<'_>) -> core::fmt::Result {
+        <bool as core::fmt::Display>::fmt(&self.0, f)
+    }
+}
+
+impl Default for DefaultTrue {
+    #[inline]
+    fn default() -> Self {
+        DefaultTrue(true)
+    }
+}
+
+impl From<DefaultTrue> for bool {
+    #[inline]
+    fn from(default_true: DefaultTrue) -> Self {
+        default_true.0
+    }
+}
+
+impl From<bool> for DefaultTrue {
+    #[inline]
+    fn from(boolean: bool) -> Self {
+        DefaultTrue(boolean)
+    }
+}
+
+impl serde::Serialize for DefaultTrue {
+    #[inline]
+    fn serialize<S: serde::Serializer>(&self, serializer: S) -> Result<S::Ok, S::Error> {
+        serializer.serialize_bool(self.0)
+    }
+}
+
+impl<'de> serde::Deserialize<'de> for DefaultTrue {
+    #[inline]
+    fn deserialize<D: serde::Deserializer<'de>>(deserializer: D) -> Result<Self, D::Error> {
+        Ok(DefaultTrue(bool::deserialize(deserializer)?))
+    }
+}
+
+impl core::ops::Deref for DefaultTrue {
+    type Target = bool;
+
+    #[inline]
+    fn deref(&self) -> &Self::Target {
+        &self.0
+    }
+}
+
+impl core::ops::DerefMut for DefaultTrue {
+    #[inline]
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
+    }
+}
+
+impl PartialEq<bool> for DefaultTrue {
+    #[inline]
+    fn eq(&self, other: &bool) -> bool {
+        self.0 == *other
+    }
+}
+
+impl PartialEq<DefaultTrue> for bool {
+    #[inline]
+    fn eq(&self, other: &DefaultTrue) -> bool {
+        *self == other.0
+    }
+}
+
+impl core::ops::Not for DefaultTrue {
+    type Output = bool;
+
+    #[inline]
+    fn not(self) -> Self::Output {
+        !self.0
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::DefaultTrue;
+
+    #[test]
+    #[allow(clippy::bool_assert_comparison)]
+    fn test_default_true() {
+        let default_true = DefaultTrue::default();
+        assert!(default_true);
+        assert_eq!(default_true, true);
+        assert_eq!(!default_true, false);
+        assert!(!!default_true);
+
+        if !(*default_true) {
+            unreachable!("default_true is false")
+        }
+
+        let mut default_true = DefaultTrue::default();
+        *default_true = false;
+        assert!(!default_true);
+    }
+}