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It is a rough merging method, but widely applicable since it only requires one common ancestor to reconstruct the changes that are to be merged. Three way merge can be done on raw text (sequence of lines) or on structured trees. [2] The three-way merge looks for sections which are the same in only two of the three files.
It provides two- and three-way comparison of both files and directories, and supports many version control systems including Git, Mercurial, Baazar, CVS and Subversion. Meld is free and open-source software subject to the terms of the GNU General Public License (GPL-2.0-or-later).
Client–server: Merge or lock Proprietary: Windows and Cross-platform via Java based client Paid Subversion (SVN) Apache Software Foundation [7] Active Client–server: Merge or lock [nb 6] Apache-2.0: Unix-like, Windows, macOS: Free Surround SCM: Perforce Software Inc. Active Client–server: Merge or lock Proprietary: Linux, Windows, macOS
Contributions to a source code repository that uses a distributed version control system are commonly made by means of a pull request, also known as a merge request. [11] The contributor requests that the project maintainer pull the source code change, hence the name "pull request".
Upstream development allows other distributions to benefit from it when they pick up the future release or merge recent (or all) upstream patches. [1] Likewise, the original authors (maintaining upstream) can benefit from contributions that originate from custom distributions, if their users send patches upstream.
Git does periodic repacking automatically, but manual repacking is also possible with the git gc command. [46] For data integrity, both the packfile and its index have an SHA-1 checksum [47] inside, and the file name of the packfile also contains an SHA-1 checksum. To check the integrity of a repository, run the git fsck command. [48] [49]
For example, if the command rsync local-file user@remote-host:remote-file is run, rsync will use SSH to connect as user to remote-host. [14] Once connected, it will invoke the remote host's rsync and then the two programs will determine what parts of the local file need to be transferred so that the remote file matches the local one.
The Linux kernel is a free and open source, [12]: 4 UNIX-like kernel that is used in many computer systems worldwide. The kernel was created by Linus Torvalds in 1991 and was soon adopted as the kernel for the GNU operating system (OS) which was created to be a free replacement for Unix.