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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 18:31:44 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-30 18:31:44 +0000
commitc23a457e72abe608715ac76f076f47dc42af07a5 (patch)
tree2772049aaf84b5c9d0ed12ec8d86812f7a7904b6 /extra/git2/src/treebuilder.rs
parentReleasing progress-linux version 1.73.0+dfsg1-1~progress7.99u1. (diff)
downloadrustc-c23a457e72abe608715ac76f076f47dc42af07a5.tar.xz
rustc-c23a457e72abe608715ac76f076f47dc42af07a5.zip
Merging upstream version 1.74.1+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'extra/git2/src/treebuilder.rs')
-rw-r--r--extra/git2/src/treebuilder.rs234
1 files changed, 0 insertions, 234 deletions
diff --git a/extra/git2/src/treebuilder.rs b/extra/git2/src/treebuilder.rs
deleted file mode 100644
index 1548a048c..000000000
--- a/extra/git2/src/treebuilder.rs
+++ /dev/null
@@ -1,234 +0,0 @@
-use std::marker;
-use std::ptr;
-
-use libc::{c_int, c_void};
-
-use crate::util::{Binding, IntoCString};
-use crate::{panic, raw, tree, Error, Oid, Repository, TreeEntry};
-
-/// Constructor for in-memory trees (low-level)
-///
-/// You probably want to use [`build::TreeUpdateBuilder`] instead.
-///
-/// This is the more raw of the two tree update facilities. It
-/// handles only one level of a nested tree structure at a time. Each
-/// path passed to `insert` etc. must be a single component.
-///
-/// [`build::TreeUpdateBuilder`]: crate::build::TreeUpdateBuilder
-pub struct TreeBuilder<'repo> {
- raw: *mut raw::git_treebuilder,
- _marker: marker::PhantomData<&'repo Repository>,
-}
-
-impl<'repo> TreeBuilder<'repo> {
- /// Clear all the entries in the builder
- pub fn clear(&mut self) -> Result<(), Error> {
- unsafe {
- try_call!(raw::git_treebuilder_clear(self.raw));
- }
- Ok(())
- }
-
- /// Get the number of entries
- pub fn len(&self) -> usize {
- unsafe { raw::git_treebuilder_entrycount(self.raw) as usize }
- }
-
- /// Return `true` if there is no entry
- pub fn is_empty(&self) -> bool {
- self.len() == 0
- }
-
- /// Get en entry from the builder from its filename
- pub fn get<P>(&self, filename: P) -> Result<Option<TreeEntry<'_>>, Error>
- where
- P: IntoCString,
- {
- let filename = filename.into_c_string()?;
- unsafe {
- let ret = raw::git_treebuilder_get(self.raw, filename.as_ptr());
- if ret.is_null() {
- Ok(None)
- } else {
- Ok(Some(tree::entry_from_raw_const(ret)))
- }
- }
- }
-
- /// Add or update an entry in the builder
- ///
- /// No attempt is made to ensure that the provided Oid points to
- /// an object of a reasonable type (or any object at all).
- ///
- /// The mode given must be one of 0o040000, 0o100644, 0o100755, 0o120000 or
- /// 0o160000 currently.
- pub fn insert<P: IntoCString>(
- &mut self,
- filename: P,
- oid: Oid,
- filemode: i32,
- ) -> Result<TreeEntry<'_>, Error> {
- let filename = filename.into_c_string()?;
- let filemode = filemode as raw::git_filemode_t;
-
- let mut ret = ptr::null();
- unsafe {
- try_call!(raw::git_treebuilder_insert(
- &mut ret,
- self.raw,
- filename,
- oid.raw(),
- filemode
- ));
- Ok(tree::entry_from_raw_const(ret))
- }
- }
-
- /// Remove an entry from the builder by its filename
- pub fn remove<P: IntoCString>(&mut self, filename: P) -> Result<(), Error> {
- let filename = filename.into_c_string()?;
- unsafe {
- try_call!(raw::git_treebuilder_remove(self.raw, filename));
- }
- Ok(())
- }
-
- /// Selectively remove entries from the tree
- ///
- /// Values for which the filter returns `true` will be kept. Note
- /// that this behavior is different from the libgit2 C interface.
- pub fn filter<F>(&mut self, mut filter: F) -> Result<(), Error>
- where
- F: FnMut(&TreeEntry<'_>) -> bool,
- {
- let mut cb: &mut FilterCb<'_> = &mut filter;
- let ptr = &mut cb as *mut _;
- let cb: raw::git_treebuilder_filter_cb = Some(filter_cb);
- unsafe {
- try_call!(raw::git_treebuilder_filter(self.raw, cb, ptr as *mut _));
- panic::check();
- }
- Ok(())
- }
-
- /// Write the contents of the TreeBuilder as a Tree object and
- /// return its Oid
- pub fn write(&self) -> Result<Oid, Error> {
- let mut raw = raw::git_oid {
- id: [0; raw::GIT_OID_RAWSZ],
- };
- unsafe {
- try_call!(raw::git_treebuilder_write(&mut raw, self.raw()));
- Ok(Binding::from_raw(&raw as *const _))
- }
- }
-}
-
-type FilterCb<'a> = dyn FnMut(&TreeEntry<'_>) -> bool + 'a;
-
-extern "C" fn filter_cb(entry: *const raw::git_tree_entry, payload: *mut c_void) -> c_int {
- let ret = panic::wrap(|| unsafe {
- // There's no way to return early from git_treebuilder_filter.
- if panic::panicked() {
- true
- } else {
- let entry = tree::entry_from_raw_const(entry);
- let payload = payload as *mut &mut FilterCb<'_>;
- (*payload)(&entry)
- }
- });
- if ret == Some(false) {
- 1
- } else {
- 0
- }
-}
-
-impl<'repo> Binding for TreeBuilder<'repo> {
- type Raw = *mut raw::git_treebuilder;
-
- unsafe fn from_raw(raw: *mut raw::git_treebuilder) -> TreeBuilder<'repo> {
- TreeBuilder {
- raw,
- _marker: marker::PhantomData,
- }
- }
- fn raw(&self) -> *mut raw::git_treebuilder {
- self.raw
- }
-}
-
-impl<'repo> Drop for TreeBuilder<'repo> {
- fn drop(&mut self) {
- unsafe { raw::git_treebuilder_free(self.raw) }
- }
-}
-
-#[cfg(test)]
-mod tests {
- use crate::ObjectType;
-
- #[test]
- fn smoke() {
- let (_td, repo) = crate::test::repo_init();
-
- let mut builder = repo.treebuilder(None).unwrap();
- assert_eq!(builder.len(), 0);
- let blob = repo.blob(b"data").unwrap();
- {
- let entry = builder.insert("a", blob, 0o100644).unwrap();
- assert_eq!(entry.kind(), Some(ObjectType::Blob));
- }
- builder.insert("b", blob, 0o100644).unwrap();
- assert_eq!(builder.len(), 2);
- builder.remove("a").unwrap();
- assert_eq!(builder.len(), 1);
- assert_eq!(builder.get("b").unwrap().unwrap().id(), blob);
- builder.clear().unwrap();
- assert_eq!(builder.len(), 0);
- }
-
- #[test]
- fn write() {
- let (_td, repo) = crate::test::repo_init();
-
- let mut builder = repo.treebuilder(None).unwrap();
- let data = repo.blob(b"data").unwrap();
- builder.insert("name", data, 0o100644).unwrap();
- let tree = builder.write().unwrap();
- let tree = repo.find_tree(tree).unwrap();
- let entry = tree.get(0).unwrap();
- assert_eq!(entry.name(), Some("name"));
- let blob = entry.to_object(&repo).unwrap();
- let blob = blob.as_blob().unwrap();
- assert_eq!(blob.content(), b"data");
-
- let builder = repo.treebuilder(Some(&tree)).unwrap();
- assert_eq!(builder.len(), 1);
- }
-
- #[test]
- fn filter() {
- let (_td, repo) = crate::test::repo_init();
-
- let mut builder = repo.treebuilder(None).unwrap();
- let blob = repo.blob(b"data").unwrap();
- let tree = {
- let head = repo.head().unwrap().peel(ObjectType::Commit).unwrap();
- let head = head.as_commit().unwrap();
- head.tree_id()
- };
- builder.insert("blob", blob, 0o100644).unwrap();
- builder.insert("dir", tree, 0o040000).unwrap();
- builder.insert("dir2", tree, 0o040000).unwrap();
-
- builder.filter(|_| true).unwrap();
- assert_eq!(builder.len(), 3);
- builder
- .filter(|e| e.kind().unwrap() != ObjectType::Blob)
- .unwrap();
- assert_eq!(builder.len(), 2);
- builder.filter(|_| false).unwrap();
- assert_eq!(builder.len(), 0);
- }
-}