cleanup crate structure (#450)

git-refspec/src/instruction.rs

@@ -0,0 +1,64 @@
+use crate::{parse::Operation, Instruction};
+use bstr::BStr;
+
+impl Instruction<'_> {
+    /// Derive the mode of operation from this instruction.
+    pub fn operation(&self) -> Operation {
+        match self {
+            Instruction::Push(_) => Operation::Push,
+            Instruction::Fetch(_) => Operation::Fetch,
+        }
+    }
+}
+
+/// Note that all sources can either be a ref-name, partial or full, or a rev-spec, unless specified otherwise, on the local side.
+/// Destinations can only be a partial or full ref names on the remote side.
+#[derive(PartialEq, Eq, Copy, Clone, Hash, Debug)]
+pub enum Push<'a> {
+    /// Push all local branches to the matching destination on the remote, which has to exist to be updated.
+    AllMatchingBranches {
+        /// If true, allow non-fast-forward updates of the matched destination branch.
+        allow_non_fast_forward: bool,
+    },
+    /// Delete the destination ref or glob pattern, with only a single `*` allowed.
+    Delete {
+        /// The reference or pattern to delete on the remote.
+        ref_or_pattern: &'a BStr,
+    },
+    /// Push a single ref or refspec to a known destination ref.
+    Matching {
+        /// The source ref or refspec to push. If pattern, it contains a single `*`.
+        src: &'a BStr,
+        /// The ref to update with the object from `src`. If `src`  is a pattern, this is a pattern too.
+        dst: &'a BStr,
+        /// If true, allow non-fast-forward updates of `dest`.
+        allow_non_fast_forward: bool,
+    },
+}
+
+/// Any source can either be a ref name (full or partial) or a fully spelled out hex-sha for an object, on the remote side.
+///
+/// Destinations can only be a partial or full ref-names on the local side.
+#[derive(PartialEq, Eq, Copy, Clone, Hash, Debug)]
+pub enum Fetch<'a> {
+    /// Fetch a ref or refs and write the result into the `FETCH_HEAD` without updating local branches.
+    Only {
+        /// The ref name to fetch on the remote side, without updating the local side. This will write the result into `FETCH_HEAD`.
+        src: &'a BStr,
+    },
+    /// Exclude a single ref.
+    Exclude {
+        /// A single partial or full ref name to exclude on the remote, or a pattern with a single `*`. It cannot be a spelled out object hash.
+        src: &'a BStr,
+    },
+    /// Fetch from `src` and update the corresponding destination branches in `dst` accordingly.
+    AndUpdate {
+        /// The ref name to fetch on the remote side, or a pattern with a single `*` to match against.
+        src: &'a BStr,
+        /// The local destination to update with what was fetched, or a pattern whose single `*` will be replaced with the matching portion
+        /// of the `*` from `src`.
+        dst: &'a BStr,
+        /// If true, allow non-fast-forward updates of `dest`.
+        allow_non_fast_forward: bool,
+    },
+}

git-refspec/src/lib.rs

@@ -6,11 +6,14 @@
 pub mod parse;
 pub use parse::function::parse;
 
+///
+pub mod instruction;
+
 /// A refspec with references to the memory it was parsed from.
 #[derive(PartialEq, Eq, Copy, Clone, Hash, Debug)]
 pub struct RefSpecRef<'a> {
     mode: types::Mode,
-    op: Operation,
+    op: parse::Operation,
     src: Option<&'a bstr::BStr>,
     dst: Option<&'a bstr::BStr>,
 }
@@ -19,12 +22,12 @@ pub struct RefSpecRef<'a> {
 #[derive(PartialEq, Eq, Clone, Hash, Debug)]
 pub struct RefSpec {
     mode: types::Mode,
-    op: Operation,
+    op: parse::Operation,
     src: Option<bstr::BString>,
     dst: Option<bstr::BString>,
 }
 
 mod spec;
 
 mod types;
-pub use types::{Fetch, Instruction, Operation, Push};
+pub use types::Instruction;

git-refspec/src/parse.rs

@@ -26,9 +26,18 @@ pub enum Error {
     RevSpec(#[from] git_revision::spec::parse::Error),
 }
 
+/// Define how the parsed refspec should be used.
+#[derive(PartialEq, Eq, Copy, Clone, Hash, Debug)]
+pub enum Operation {
+    /// The `src` side is local and the `dst` side is remote.
+    Push,
+    /// The `src` side is remote and the `dst` side is local.
+    Fetch,
+}
+
 pub(crate) mod function {
     use crate::parse::Error;
-    use crate::{types::Mode, Operation, RefSpecRef};
+    use crate::{parse::Operation, types::Mode, RefSpecRef};
     use bstr::{BStr, ByteSlice};
 
     /// Parse `spec` for use in `operation` and return it if it is valid.

git-refspec/src/spec.rs

@@ -1,5 +1,5 @@
-use crate::types::Push;
-use crate::{types::Mode, Fetch, Instruction, Operation, RefSpec, RefSpecRef};
+use crate::instruction::{Fetch, Push};
+use crate::{parse::Operation, types::Mode, Instruction, RefSpec, RefSpecRef};
 
 /// Conversion. Use the [RefSpecRef][RefSpec::to_ref()] type for more usage options.
 impl RefSpec {
@@ -14,9 +14,13 @@ impl RefSpec {
     }
 }
 
-impl Into<RefSpec> for RefSpecRef<'_> {
-    fn into(self) -> RefSpec {
-        self.to_owned()
+mod impls {
+    use crate::{RefSpec, RefSpecRef};
+
+    impl Into<RefSpec> for RefSpecRef<'_> {
+        fn into(self) -> RefSpec {
+            self.to_owned()
+        }
     }
 }
 

git-refspec/src/types.rs

@@ -1,4 +1,4 @@
-use bstr::BStr;
+use crate::instruction;
 
 /// The way to interpret a refspec.
 #[derive(PartialEq, Eq, Copy, Clone, Hash, Debug)]
@@ -11,82 +11,11 @@ pub(crate) enum Mode {
     Negative,
 }
 
-/// What operation to perform with the refspec.
-#[derive(PartialEq, Eq, Copy, Clone, Hash, Debug)]
-pub enum Operation {
-    /// The `src` side is local and the `dst` side is remote.
-    Push,
-    /// The `src` side is remote and the `dst` side is local.
-    Fetch,
-}
-
-/// Tells what to do and is derived from a [`RefSpec`][RefSpecRef].
+/// Tells what to do and is derived from a [`RefSpec`][crate::RefSpecRef].
 #[derive(PartialEq, Eq, Copy, Clone, Hash, Debug)]
 pub enum Instruction<'a> {
     /// An instruction for pushing.
-    Push(Push<'a>),
+    Push(instruction::Push<'a>),
     /// An instruction for fetching.
-    Fetch(Fetch<'a>),
-}
-
-/// Note that all sources can either be a ref-name, partial or full, or a rev-spec, unless specified otherwise, on the local side.
-/// Destinations can only be a partial or full ref names on the remote side.
-#[derive(PartialEq, Eq, Copy, Clone, Hash, Debug)]
-pub enum Push<'a> {
-    /// Push all local branches to the matching destination on the remote, which has to exist to be updated.
-    AllMatchingBranches {
-        /// If true, allow non-fast-forward updates of the matched destination branch.
-        allow_non_fast_forward: bool,
-    },
-    /// Delete the destination ref or glob pattern, with only a single `*` allowed.
-    Delete {
-        /// The reference or pattern to delete on the remote.
-        ref_or_pattern: &'a BStr,
-    },
-    /// Push a single ref or refspec to a known destination ref.
-    Matching {
-        /// The source ref or refspec to push. If pattern, it contains a single `*`.
-        src: &'a BStr,
-        /// The ref to update with the object from `src`. If `src`  is a pattern, this is a pattern too.
-        dst: &'a BStr,
-        /// If true, allow non-fast-forward updates of `dest`.
-        allow_non_fast_forward: bool,
-    },
-}
-
-/// Note that any source can either be a ref name (full or partial) or a fully spelled out hex-sha for an object, on the remote side.
-///
-/// Destinations can only be a partial or full ref-names on the local side.
-#[derive(PartialEq, Eq, Copy, Clone, Hash, Debug)]
-pub enum Fetch<'a> {
-    /// Fetch a ref or refs and write the result into the `FETCH_HEAD` without updating local branches.
-    Only {
-        /// The ref name to fetch on the remote side, without updating the local side. This will write the result into `FETCH_HEAD`.
-        src: &'a BStr,
-    },
-    /// Exclude a single ref.
-    Exclude {
-        /// A single partial or full ref name to exclude on the remote, or a pattern with a single `*`. It cannot be a spelled out object hash.
-        src: &'a BStr,
-    },
-    /// Fetch from `src` and update the corresponding destination branches in `dst` accordingly.
-    AndUpdate {
-        /// The ref name to fetch on the remote side, or a pattern with a single `*` to match against.
-        src: &'a BStr,
-        /// The local destination to update with what was fetched, or a pattern whose single `*` will be replaced with the matching portion
-        /// of the `*` from `src`.
-        dst: &'a BStr,
-        /// If true, allow non-fast-forward updates of `dest`.
-        allow_non_fast_forward: bool,
-    },
-}
-
-impl Instruction<'_> {
-    /// Derive the mode of operation from this instruction.
-    pub fn operation(&self) -> Operation {
-        match self {
-            Instruction::Push(_) => Operation::Push,
-            Instruction::Fetch(_) => Operation::Fetch,
-        }
-    }
+    Fetch(instruction::Fetch<'a>),
 }

git-refspec/tests/parse/fetch.rs

@@ -1,5 +1,5 @@
 use crate::parse::{assert_parse, b, try_parse};
-use git_refspec::{parse::Error, Fetch, Instruction, Operation};
+use git_refspec::{instruction::Fetch, parse::Error, parse::Operation, Instruction};
 
 #[test]
 fn revspecs_are_disallowed() {

git-refspec/tests/parse/invalid.rs

@@ -1,5 +1,5 @@
 use crate::parse::try_parse;
-use git_refspec::{parse::Error, Operation};
+use git_refspec::{parse::Error, parse::Operation};
 
 #[test]
 fn empty() {

git-refspec/tests/parse/mod.rs

@@ -1,5 +1,5 @@
 use bstr::ByteSlice;
-use git_refspec::Operation;
+use git_refspec::parse::Operation;
 use git_testtools::scripted_fixture_repo_read_only;
 use std::panic::catch_unwind;
 
@@ -61,7 +61,7 @@ mod invalid;
 mod push;
 
 mod util {
-    use git_refspec::{Instruction, Operation, RefSpecRef};
+    use git_refspec::{parse::Operation, Instruction, RefSpecRef};
 
     pub fn b(input: &str) -> &bstr::BStr {
         input.into()

git-refspec/tests/parse/push.rs

@@ -1,5 +1,5 @@
 use crate::parse::{assert_parse, b, try_parse};
-use git_refspec::{parse::Error, Instruction, Operation, Push};
+use git_refspec::{instruction::Push, parse::Error, parse::Operation, Instruction};
 
 #[test]
 fn negative_unsupported() {