1 files changed, 39 insertions, 0 deletions
diff --git a/vendor/gix-index/src/entry/write.rs b/vendor/gix-index/src/entry/write.rs
new file mode 100644
index 000000000..2a6ad5588
--- /dev/null
+++ b/vendor/gix-index/src/entry/write.rs
@@ -0,0 +1,39 @@
+use std::convert::TryInto;
+
+use crate::{entry, Entry, State};
+
+impl Entry {
+    /// Serialize ourselves to `out` with path access via `state`, without padding.
+    pub fn write_to(&self, mut out: impl std::io::Write, state: &State) -> std::io::Result<()> {
+        let stat = self.stat;
+        out.write_all(&stat.ctime.secs.to_be_bytes())?;
+        out.write_all(&stat.ctime.nsecs.to_be_bytes())?;
+        out.write_all(&stat.mtime.secs.to_be_bytes())?;
+        out.write_all(&stat.mtime.nsecs.to_be_bytes())?;
+        out.write_all(&stat.dev.to_be_bytes())?;
+        out.write_all(&stat.ino.to_be_bytes())?;
+        out.write_all(&self.mode.bits().to_be_bytes())?;
+        out.write_all(&stat.uid.to_be_bytes())?;
+        out.write_all(&stat.gid.to_be_bytes())?;
+        out.write_all(&stat.size.to_be_bytes())?;
+        out.write_all(self.id.as_bytes())?;
+        let path = self.path(state);
+        let path_len: u16 = if path.len() >= entry::Flags::PATH_LEN.bits() as usize {
+            entry::Flags::PATH_LEN.bits() as u16
+        } else {
+            path.len()
+                .try_into()
+                .expect("we just checked that the length is smaller than 0xfff")
+        };
+        out.write_all(&(self.flags.to_storage().bits() | path_len).to_be_bytes())?;
+        if self.flags.contains(entry::Flags::EXTENDED) {
+            out.write_all(
+                &entry::at_rest::FlagsExtended::from_flags(self.flags)
+                    .bits()
+                    .to_be_bytes(),
+            )?;
+        }
+        out.write_all(path)?;
+        out.write_all(b"\0")
+    }
+}