FlightGear Git: Difference between revisions
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{{Git}} | {{Git}} | ||
'''Git''' is a version control system | '''Git''' is a {{wikipedia|version control system}} used by the [[FlightGear]] project to store all the files required to build and run the simulator. This includes all the programs, the data (e.g. textures, sounds), supporting tools, etc. Git tracks updates to every file as developers from around the world work together concurrently to create new versions. The sole exception is the official [[FGAddon]] aircraft repository that is Subversion rather than Git based. | ||
While new FlightGear features and additions are in development, they are available from Git before they are available in the standard release version. Using Git allows users to use the newest possible version of FlightGear from the latest source files, to experiment with new aircraft or other features. However, it is not a beginner's tool. Using Git can expose the user to unstable features that show ugly error messages, or crash the computer. | While new FlightGear features and additions are in development, they are available from Git before they are available in the standard release version. Using Git allows users to use the newest possible version of FlightGear from the latest source files, to experiment with new aircraft or other features. However, it is not a beginner's tool. Using Git can expose the user to unstable features that show ugly error messages, or crash the computer. | ||
As of | As of May 2016, the repositories are located at {{Project infrastructure|name}}. | ||
== Motivation == | == Motivation == | ||
Line 10: | Line 10: | ||
Much has been written on the advantages of Git over CVS. For the FlightGear project, some advantages are: | Much has been written on the advantages of Git over CVS. For the FlightGear project, some advantages are: | ||
* Much better support for branches and merging branches. This is especially important for creating bug | * Much better support for branches and merging branches. This is especially important for creating bug fix releases for major releases while still allowing work on the next major release to continue. It is also very nice for a developer's personal workflow. | ||
* Easier path for contributors to submit changes and developers to integrate them. | * Easier path for contributors to submit changes and developers to integrate them. | ||
* Much better support for everyday tasks like searching the project history for changes, viewing changes, bisecting the project history to find the original source of a bug. | * Much better support for everyday tasks like searching the project history for changes, viewing changes, bisecting the project history to find the original source of a bug. | ||
== Repositories and branches == | == Repositories and branches == | ||
The FlightGear project is split up in | {{Note| | ||
Next is C++17 since we branched 2020.3 off: so far this seems to be working well, we can use the fun stuff such as std::optional, and the nicer overloads of make_shared / make_unique. Since 2020.3 and before also used C++11, we have been using lambdas, direct member init and gradually replacing ‘typedef’ with ‘using’ for years now, but as an incremental process: for the time being, it doesn't seem like wholesale search and replace conversions are justified.<ref>https://sourceforge.net/p/flightgear/mailman/message/37309892/</ref> | |||
}} | |||
The FlightGear project is split up in the repositories listed below. | |||
{| class="wikitable" | |||
! Name | |||
! Contents | |||
! Remarks | |||
|- | |||
| {{simgear source|text=simgear}} | |||
| [[SimGear]], the simulation engine that FlightGear uses. | |||
| rowspan="6" | | |||
Those repositories have the following branches: | |||
* ''next'': current tip of new development. This branch should always compile and run, but various things could be broken. | |||
* ''release/*'': containing former and (if a specific branch was made for them) upcoming releases. | |||
People not interested in actively contributing to C++ development are encouraged to use the release/2020.3 branch as the next branch may undergoing significant breakage in the near term future. | |||
As of [[Changelog 2016.1#Usability|May 2016]], FGRun is replaced by the [[Qt5 Launcher|Qt5 launcher]]. | |||
|- | |||
| {{flightgear source|text=flightgear}} | |||
| FlightGear itself. | |||
|- | |||
| {{fgdata source|text=fgdata}} | |||
| All data (default aircraft, dialogs, sounds) used by FlightGear. | |||
|- | |||
| {{fgmeta source|text=fgmeta}} | |||
| FlightGear "meta" repository containing build and setup scripts for the whole project. | |||
|- | |||
| {{windows-3rd-party source|text=windows-3rd-party}} | |||
| Prebuilt libraries needed to make FlightGear run on Windows. | |||
|- | |||
| {{fgrun source|text=fgrun}} | |||
| The [[FGRun]] launcher for FlightGear. | |||
|- | |||
| {{fgaddon source|text=fgaddon}} | |||
| [[FGAddon]], an SVN repository that holds all official aircraft (except the [[Cessna 172P]] default plane and the [[UFO]]). | |||
| | |||
|- | |||
| {{fgcom source|text=fgcom}} | |||
| [[FGCom 3.0|FGCom]], a voice-over-IP application used by [[multiplayer]] controllers to provide [[Air traffic control|ATC services]]. | |||
| | |||
|- | |||
| {{getstart source|text=getstart}} | |||
| Sources for the ''Getting Started'' manual included with the simulator. | |||
| | |||
|- | |||
| {{openradar source|text=openradar}} | |||
| The [[OpenRadar]] application used by multiplayer controllers. | |||
| | |||
|- | |||
| {{sceneryweb source|text=sceneryweb}} | |||
| Source code and configuration files for the [http://mapserver.flightgear.org/ Mapserver], the [https://scenery.flightgear.org/ scenery portal] and the [[TerraGear scenery build server]]. | |||
| | |||
|- | |||
| {{terragear source|text=terragear}} | |||
| The [[TerraGear]] scenery building toolkit. | |||
| | |||
|- | |||
| {{terrafs source|text=terrafs}} | |||
| [[TerraFS]], a Linux tool to mount the TerraSync scenery as a remote file system. | |||
| | |||
|- | |||
| {{sourceforge source|proj=flightgear|repo=maclauncher|text=maclauncher}} | |||
| [[FlightGear_Mac_OS_X_Launcher|Old FlightGear launcher for Mac]]. | |||
| Deprecated by the [[Qt5 Launcher]]. | |||
|- | |||
| {{sourceforge source|proj=flightgear|repo=fgms|text=fgms}} | |||
| [[FlightGear Multiplayer Server|Multiplayer server system]] | |||
| | |||
|} | |||
== Related content == | == Related content == | ||
* [[FlightGear Git: splitting | * [[FlightGear Git: splitting FGData]], an initiative to split the aircraft out of the FGData repository, in order to decrease its size and thus improve access to the average user/developer. | ||
{{Building}} | {{Building}} | ||
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[[Category:Git]] | [[Category:Git]] | ||
[[fr:FlightGear | [[fr:FlightGear Git]] |
Latest revision as of 17:16, 21 December 2022
Git |
---|
Git is a version control system, used to store all files required to build FlightGear. |
Git is a version control system used by the FlightGear project to store all the files required to build and run the simulator. This includes all the programs, the data (e.g. textures, sounds), supporting tools, etc. Git tracks updates to every file as developers from around the world work together concurrently to create new versions. The sole exception is the official FGAddon aircraft repository that is Subversion rather than Git based.
While new FlightGear features and additions are in development, they are available from Git before they are available in the standard release version. Using Git allows users to use the newest possible version of FlightGear from the latest source files, to experiment with new aircraft or other features. However, it is not a beginner's tool. Using Git can expose the user to unstable features that show ugly error messages, or crash the computer.
As of May 2016, the repositories are located at SourceForge.
Motivation
In May 2010, after a hardware failure on the CVS servers, the FlightGear project changed its version control system from CVS to Git.
Much has been written on the advantages of Git over CVS. For the FlightGear project, some advantages are:
- Much better support for branches and merging branches. This is especially important for creating bug fix releases for major releases while still allowing work on the next major release to continue. It is also very nice for a developer's personal workflow.
- Easier path for contributors to submit changes and developers to integrate them.
- Much better support for everyday tasks like searching the project history for changes, viewing changes, bisecting the project history to find the original source of a bug.
Repositories and branches
Note
Next is C++17 since we branched 2020.3 off: so far this seems to be working well, we can use the fun stuff such as std::optional, and the nicer overloads of make_shared / make_unique. Since 2020.3 and before also used C++11, we have been using lambdas, direct member init and gradually replacing ‘typedef’ with ‘using’ for years now, but as an incremental process: for the time being, it doesn't seem like wholesale search and replace conversions are justified.[1] |
The FlightGear project is split up in the repositories listed below.
Name | Contents | Remarks |
---|---|---|
simgear | SimGear, the simulation engine that FlightGear uses. |
Those repositories have the following branches:
People not interested in actively contributing to C++ development are encouraged to use the release/2020.3 branch as the next branch may undergoing significant breakage in the near term future. As of May 2016, FGRun is replaced by the Qt5 launcher. |
flightgear | FlightGear itself. | |
fgdata | All data (default aircraft, dialogs, sounds) used by FlightGear. | |
fgmeta | FlightGear "meta" repository containing build and setup scripts for the whole project. | |
windows-3rd-party | Prebuilt libraries needed to make FlightGear run on Windows. | |
fgrun | The FGRun launcher for FlightGear. | |
fgaddon | FGAddon, an SVN repository that holds all official aircraft (except the Cessna 172P default plane and the UFO). | |
fgcom | FGCom, a voice-over-IP application used by multiplayer controllers to provide ATC services. | |
getstart | Sources for the Getting Started manual included with the simulator. | |
openradar | The OpenRadar application used by multiplayer controllers. | |
sceneryweb | Source code and configuration files for the Mapserver, the scenery portal and the TerraGear scenery build server. | |
terragear | The TerraGear scenery building toolkit. | |
terrafs | TerraFS, a Linux tool to mount the TerraSync scenery as a remote file system. | |
maclauncher | Old FlightGear launcher for Mac. | Deprecated by the Qt5 Launcher. |
fgms | Multiplayer server system |
Related content
- FlightGear Git: splitting FGData, an initiative to split the aircraft out of the FGData repository, in order to decrease its size and thus improve access to the average user/developer.
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