Merging upstream version 1.70.0+dfsg2.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 52 insertions, 0 deletions

diff --git a/vendor/gix-ref/src/namespace.rs b/vendor/gix-ref/src/namespace.rs
new file mode 100644
index 000000000..2723052ec
--- /dev/null
+++ b/vendor/gix-ref/src/namespace.rs
@@ -0,0 +1,52 @@
+use std::{
+    convert::TryInto,
+    path::{Path, PathBuf},
+};
+
+use gix_object::bstr::{BStr, BString, ByteSlice, ByteVec};
+
+use crate::{FullName, FullNameRef, Namespace, PartialNameRef};
+
+impl Namespace {
+    /// Dissolve ourselves into the interior representation
+    pub fn into_bstring(self) -> BString {
+        self.0
+    }
+    /// Return ourselves as
+    pub fn as_bstr(&self) -> &BStr {
+        self.0.as_ref()
+    }
+    /// Return ourselves as a path for use within the filesystem.
+    pub fn to_path(&self) -> &Path {
+        gix_path::from_byte_slice(&self.0)
+    }
+    /// Append the given `prefix` to this namespace so it becomes usable for prefixed iteration.
+    pub fn into_namespaced_prefix(mut self, prefix: impl AsRef<Path>) -> PathBuf {
+        let path = prefix.as_ref();
+        let prefix = gix_path::into_bstr(path);
+        self.0.push_str(prefix.as_ref());
+        gix_path::to_native_path_on_windows(self.0).into_owned()
+    }
+    pub(crate) fn into_namespaced_name(mut self, name: &FullNameRef) -> FullName {
+        self.0.push_str(name.as_bstr());
+        FullName(self.0)
+    }
+}
+
+/// Given a `namespace` 'foo we output 'refs/namespaces/foo', and given 'foo/bar' we output 'refs/namespaces/foo/refs/namespaces/bar'.
+///
+/// For more information, consult the [git namespace documentation](https://git-scm.com/docs/gitnamespaces).
+pub fn expand<'a, Name, E>(namespace: Name) -> Result<Namespace, gix_validate::refname::Error>
+where
+    Name: TryInto<&'a PartialNameRef, Error = E>,
+    gix_validate::refname::Error: From<E>,
+{
+    let namespace = &namespace.try_into()?.0;
+    let mut out = BString::default();
+    for component in namespace.split_str(b"/") {
+        out.push_str("refs/namespaces/");
+        out.push_str(component);
+        out.push_str(b"/");
+    }
+    Ok(Namespace(out))
+}