Bazaar

Bazaar

 

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Aegis

  • Strong support for testing
  • No Windows support
  • Uses other VCS (cvs or rcs) as a backend
  • Mature: started in 1991

Arch

  • Several implementations: shell (larch), and C (tla, baz)
  • First open source distributed SCM
  • Has a clear archive / working tree distinction
  • Uses standard servers (http, sftp, webdav, ftp) to access archive data
  • Supports archive verification
  • Uses sequence, rather than time, to determine precedence of changes
  • Storage is script-friendly; uses tar, gzip and patch
  • Supports signed archives

Bitkeeper

  • Uses weave storage
  • Has some advanced merge methods, based on line identity
  • Uses time, rather than sequence in some places
  • Proprietary and open source clients

CVS

  • Not distributed
  • Has no atomic tree-wide operations
  • Has no merge history tracking
  • Has a clear repository / working tree distinction
  • Does not track renames
  • Uses a smart server
  • Written in C

Codeville

  • Has some advanced merge methods, based on line identity
  • Has a repository / working tree distinction
  • Uses a smart server
  • Supports offline commits
  • Supports a workflow where the repository is centralized, but the working tree is used as a branch.
  • Written in Python

Darcs

  • Has some advanced merge methods, based on patch commutation
  • Stores the repository in the working tree
  • Does not guarantee than any past revision can be reproduced
  • Written in Haskell, a functional programming language

Git

  • Has multiple frontends
  • Content-addressible flat storage by default, packed storage with user intervention
  • Written in C
  • Does not handle renames

Monotone

  • Identifies revisions using chained hashes, requiring only one signature to authenticate a line of development
  • Uses rename history instead of file-ids to determine file identity.
  • Support secure commits
  • Written in C++

SCCS

  • Uses weave storage
  • Not distributed
  • Originally proprietary; CSSC is a Free implementation

SVN

  • Interface similar to CVS
  • Not distributed
  • Supports sparse (partial) checkouts
  • Supports changelists
  • Basic merge history tracking
  • Has a clear repository / working tree distinction
  • Uses a smart server
  • Uses rename history instead of file-ids to determine file identity
  • Has several storage formats

Vesta

  • A build system as well as scm; supplants make, distcc and ccache

  • Guarantees repeatable builds-- versions ALL files needed to produce a build, e.g. system headers
  • Mature: 10 years old, used at HP (i.e. since 1995?)
  • No Windows support
  • Written in C++