1 files changed, 134 insertions, 0 deletions
diff --git a/vendor/git2/src/mailmap.rs b/vendor/git2/src/mailmap.rs
new file mode 100644
index 000000000..096b3227c
--- /dev/null
+++ b/vendor/git2/src/mailmap.rs
@@ -0,0 +1,134 @@
+use std::ffi::CString;
+use std::ptr;
+
+use crate::util::Binding;
+use crate::{raw, Error, Signature};
+
+/// A structure to represent a repository's .mailmap file.
+///
+/// The representation cannot be written to disk.
+pub struct Mailmap {
+    raw: *mut raw::git_mailmap,
+}
+
+impl Binding for Mailmap {
+    type Raw = *mut raw::git_mailmap;
+
+    unsafe fn from_raw(ptr: *mut raw::git_mailmap) -> Mailmap {
+        Mailmap { raw: ptr }
+    }
+
+    fn raw(&self) -> *mut raw::git_mailmap {
+        self.raw
+    }
+}
+
+impl Drop for Mailmap {
+    fn drop(&mut self) {
+        unsafe {
+            raw::git_mailmap_free(self.raw);
+        }
+    }
+}
+
+impl Mailmap {
+    /// Creates an empty, in-memory mailmap object.
+    pub fn new() -> Result<Mailmap, Error> {
+        crate::init();
+        let mut ret = ptr::null_mut();
+        unsafe {
+            try_call!(raw::git_mailmap_new(&mut ret));
+            Ok(Binding::from_raw(ret))
+        }
+    }
+
+    /// Creates an in-memory mailmap object representing the given buffer.
+    pub fn from_buffer(buf: &str) -> Result<Mailmap, Error> {
+        crate::init();
+        let mut ret = ptr::null_mut();
+        let len = buf.len();
+        let buf = CString::new(buf)?;
+        unsafe {
+            try_call!(raw::git_mailmap_from_buffer(&mut ret, buf, len));
+            Ok(Binding::from_raw(ret))
+        }
+    }
+
+    /// Adds a new entry to this in-memory mailmap object.
+    pub fn add_entry(
+        &mut self,
+        real_name: Option<&str>,
+        real_email: Option<&str>,
+        replace_name: Option<&str>,
+        replace_email: &str,
+    ) -> Result<(), Error> {
+        let real_name = crate::opt_cstr(real_name)?;
+        let real_email = crate::opt_cstr(real_email)?;
+        let replace_name = crate::opt_cstr(replace_name)?;
+        let replace_email = CString::new(replace_email)?;
+        unsafe {
+            try_call!(raw::git_mailmap_add_entry(
+                self.raw,
+                real_name,
+                real_email,
+                replace_name,
+                replace_email
+            ));
+            Ok(())
+        }
+    }
+
+    /// Resolves a signature to its real name and email address.
+    pub fn resolve_signature(&self, sig: &Signature<'_>) -> Result<Signature<'static>, Error> {
+        let mut ret = ptr::null_mut();
+        unsafe {
+            try_call!(raw::git_mailmap_resolve_signature(
+                &mut ret,
+                &*self.raw,
+                sig.raw()
+            ));
+            Ok(Binding::from_raw(ret))
+        }
+    }
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn smoke() {
+        let sig_name = "name";
+        let sig_email = "email";
+        let sig = t!(Signature::now(sig_name, sig_email));
+
+        let mut mm = t!(Mailmap::new());
+
+        let mailmapped_sig = t!(mm.resolve_signature(&sig));
+        assert_eq!(mailmapped_sig.name(), Some(sig_name));
+        assert_eq!(mailmapped_sig.email(), Some(sig_email));
+
+        t!(mm.add_entry(None, None, None, sig_email));
+        t!(mm.add_entry(
+            Some("real name"),
+            Some("real@email"),
+            Some(sig_name),
+            sig_email,
+        ));
+
+        let mailmapped_sig = t!(mm.resolve_signature(&sig));
+        assert_eq!(mailmapped_sig.name(), Some("real name"));
+        assert_eq!(mailmapped_sig.email(), Some("real@email"));
+    }
+
+    #[test]
+    fn from_buffer() {
+        let buf = "<prøper@emæil> <email>";
+        let mm = t!(Mailmap::from_buffer(&buf));
+
+        let sig = t!(Signature::now("name", "email"));
+        let mailmapped_sig = t!(mm.resolve_signature(&sig));
+        assert_eq!(mailmapped_sig.name(), Some("name"));
+        assert_eq!(mailmapped_sig.email(), Some("prøper@emæil"));
+    }
+}