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Every object in the Git database that is not referred to may be cleaned up by using a garbage collection command or automatically. An object may be referenced by another object or an explicit reference. Git has different types of references. The commands to create, move, and delete references vary. git show-ref lists all references. Some types are:
To commit a change in git on the command line, assuming git is installed, the following command is run: [1] git commit -m 'commit message' This is also assuming that the files within the current directory have been staged as such: [2] git add . The above command adds all of the files in the working directory to be staged for the git commit.
GitHub (/ ˈ ɡ ɪ t h ʌ b /) is a proprietary developer platform that allows developers to create, store, manage, and share their code. It uses Git to provide distributed version control and GitHub itself provides access control, bug tracking, software feature requests, task management, continuous integration, and wikis for every project. [8]
Software: The name of the application that is described. Atomic commits: refers to a guarantee that all changes are made, or that no change at all will be made. File renames: describes whether a system allows files to be renamed while retaining their version history.
The two-phase commit protocol and three-phase commit protocol attempt to solve this and some of the other problems associated with atomic commits. The two-phase commit protocol requires a coordinator to maintain all the information needed to recover the original state of the database if something goes wrong.
A write ahead log is an append-only auxiliary disk-resident structure used for crash and transaction recovery. The changes are first recorded in the log, which must be written to stable storage, before the changes are written to the database. [2] The main functionality of a write-ahead log can be summarized as: [3]
[1] [2] [3] Git, the world's most popular version control system, [4] is a distributed version control system. In 2010, software development author Joel Spolsky described distributed version control systems as "possibly the biggest advance in software development technology in the [past] ten years".
A changelog (also spelled change log) [1] is a log or record of all notable changes made to a project. [2] The project is often a website or software project, and the changelog usually includes records of changes such as bug fixes, new features, etc. Some open-source projects include a changelog as one of the top-level files in their distribution.