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With a DVCS such as Mercurial or Git, the normal way to contribute to a project, is to first create a personal branch of the repository, independent of the main repository, and later seek to have your changes integrated with it. Successful branching, typically with differentiation ( e.g., OpenBSD and NetBSD.)ĭistributed revision control (DVCS) tools have popularised a less emotive use of the term "fork", blurring the distinction with "branch".the X.Org Server succeeding and XFree86 dying.) A re-merging of the fork ( e.g., egcs becoming "blessed" as the new version of gcc.).It is easy to declare a fork, but considerable effort to continue independent development and support. Wheeler notes four possible outcomes of a fork, with examples: As a result, major forks (such as the Gnu-Emacs/ XEmacs split, the fissioning of the 386BSD group into three daughter projects, and the short-lived GCC/EGCS split) are rare enough that they are remembered individually in hacker folklore.ĭavid A. There is serious social pressure against forking. He notes in the Jargon File: įorking is considered a Bad Thing-not merely because it implies a lot of wasted effort in the future, but because forks tend to be accompanied by a great deal of strife and acrimony between the successor groups over issues of legitimacy, succession, and design direction. Raymond, in his essay Homesteading the Noosphere, stated that "The most important characteristic of a fork is that it spawns competing projects that cannot later exchange code, splitting the potential developer community".
On the other hand, a friendly fork or a soft fork is a fork that does not intend to compete, but wants to eventually merge with the original.Įric S. The relationship between the different teams can be cordial or very bitter. Thus, there is a reputation penalty associated with forking.
#Stock charting software that remembers custom lines full#
In a fork, both parties assume nearly identical code bases, but typically only the larger group, or whoever controls the Web site, will retain the full original name and the associated user community.
#Stock charting software that remembers custom lines free#
In free software, forks often result from a schism over different goals or personality clashes. Access to the source code is a precondition for this. By doing this, you can give the whole community a chance to benefit from your changes.
The freedom to distribute copies of your modified versions to others (freedom 3). Forking of free and open-source software įree and open-source software may be legally forked without prior approval of those currently developing, managing, or distributing the software per both The Free Software Definition and The Open Source Definition: However, "fork" was in use in the present sense by 1995 to describe the XEmacs split, and was an understood usage in the GNU Project by 1996. "Fork" is not known to have been used in the sense of a community schism during the origins of Lucid Emacs (now XEmacs) (1991) or the BSDs (1993–1994) Russ Nelson used the term "shattering" for this sort of fork in 1993, attributing it to John Gilmore. The term was in use on Usenet by 1983 for the process of creating a subgroup to move topics of discussion to. In the context of software development, "fork" was used in the sense of creating a revision control " branch" by Eric Allman as early as 1980, in the context of SCCS: Ĭreating a branch "forks off" a version of the program. In the software environment, the word evokes the fork system call, which causes a running process to split itself into two (almost) identical copies that (typically) diverge to perform different tasks. The word "fork" has been used to mean "to divide in branches, go separate ways" as early as the 14th century.