upstream/mercurial-mirror Files · rust/hg-core/src/lib.rs

transaction: do not overwrite atomic-temp files on error...

transaction: do not overwrite atomic-temp files on error Even though the original files can be restored from the backup, it should be better to not write back a temporary file if we know it can be corrupted.

Georges Racinet - - Load All Authors

File last commit:

r41084:ef54bd33 default


                r41140:3e2c0283

default

Download file

             lib.rs
        
                    27 lines
            
             | 892 B
            
                | application/rls-services+xml
            
             |
                RustLexer
            
             / rust / hg-core / src / lib.rs
          
                    History
                
                 |
                  Annotation
                 | Raw
                 |Copy content
                 |Copy permalink

      // Copyright 2018 Georges Racinet <gracinet@anybox.fr>

      //

      // This software may be used and distributed according to the terms of the

      // GNU General Public License version 2 or any later version.

      mod ancestors;

      pub use ancestors::{AncestorsIterator, LazyAncestors, MissingAncestors};

      /// Mercurial revision numbers

      ///

      /// As noted in revlog.c, revision numbers are actually encoded in

      /// 4 bytes, and are liberally converted to ints, whence the i32

      pub type Revision = i32;

      pub const NULL_REVISION: Revision = -1;

      /// The simplest expression of what we need of Mercurial DAGs.

      pub trait Graph {

          /// Return the two parents of the given `Revision`.

          ///

          /// Each of the parents can be independently `NULL_REVISION`

          fn parents(&self, Revision) -> Result<[Revision; 2], GraphError>;

      }

      #[derive(Clone, Debug, PartialEq)]

      pub enum GraphError {

          ParentOutOfRange(Revision),

      }

	Site-wide shortcuts
/	Use quick search box
g h	Goto home page
g g	Goto my private gists page
g G	Goto my public gists page
g 0-9	Goto bookmarked items from 0-9
n r	New repository page
n g	New gist page

	Repositories
g s	Goto summary page
g c	Goto changelog page
g f	Goto files page
g F	Goto files page with file search activated
g p	Goto pull requests page
g o	Goto repository settings
g O	Goto repository access permissions settings
t s	Toggle sidebar on some pages

				// Copyright 2018 Georges Racinet <gracinet@anybox.fr>
				//
				// This software may be used and distributed according to the terms of the
				// GNU General Public License version 2 or any later version.
				mod ancestors;
				pub use ancestors::{AncestorsIterator, LazyAncestors, MissingAncestors};

				/// Mercurial revision numbers
				///
				/// As noted in revlog.c, revision numbers are actually encoded in
				/// 4 bytes, and are liberally converted to ints, whence the i32
				pub type Revision = i32;

				pub const NULL_REVISION: Revision = -1;

				/// The simplest expression of what we need of Mercurial DAGs.
				pub trait Graph {
				/// Return the two parents of the given `Revision`.
				///
				/// Each of the parents can be independently `NULL_REVISION`
				fn parents(&self, Revision) -> Result<[Revision; 2], GraphError>;
				}

				#[derive(Clone, Debug, PartialEq)]
				pub enum GraphError {
				ParentOutOfRange(Revision),
				}