README: Move old historical info out of main README

The picom project is no longer a fledgling fork needing to justify its
existence. The README should present the user with relevant information
regarding the current project rather than apologies for a 6-year-old
fork of a longer-defunct prior project.

1. Rename README_orig.md to History.md, so it can contain other content
   of a historical nature.
2. Move still-relevant historical content from README to History.
3. Add a brief intro blurb to README saying that picom is an X
   compositor.
4. Mention Compton in the CONTRIBUTORS section.
5. Point to licensing information from README.
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Tim Siegel 2022-04-12 08:48:21 -04:00
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commit 5a2115033e
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# Picom History
Picom was forked in 2016 from the original Compton because it seemed to have become unmaintained.
The battle plan of the fork was to refactor it to make the code _possible_ to maintain, so potential contributors won't be scared away when they take a look at the code.
And also to try to fix bugs.
## Rename
In 2019 the project name was changed from Compton to picom (git revision 8ddbeb and following).
### Rationale
Since the inception of this fork, the existence of two compton repositories has caused some number of confusions. Mainly, people will report issues of this fork to the original compton, or report issues of the original compton here. Later, when distros started packaging this fork of compton, some wanted to differentiate the newer compton from the older version. They found themselves having no choice but to invent a name for this fork. This is less than ideal since this has the potential to cause more confusions among users.
Therefore, we decided to move this fork to a new name. Personally, I consider this more than justified since this version of compton has gone through significant changes since it was forked.
### The name
The criteria for a good name were
0. Being short, so it's easy to remember.
1. Pronounceability, again, helps memorability
2. Searchability, so when people search the name, it's easy for them to find this repository.
Of course, choosing a name is never easy, and there is no apparent way to objectively evaluate the names. Yet, we have to solve the aforementioned problems as soon as possible.
In the end, we picked `picom` (a portmanteau of `pico` and `composite`) as our new name. This name might not be perfect, but is what we will move forward with unless there's a compelling reason not to.
# Compton
This is a copy of the README of the [original Compton project](https://github.com/chjj/compton/).
[![Join the chat at https://gitter.im/chjj/compton](https://badges.gitter.im/Join%20Chat.svg)](https://gitter.im/chjj/compton?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
__Compton__ is a compositor for X, and a fork of __xcompmgr-dana__.

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picom
=======
=====
__picom__ is a compositor for X, and a [fork of Compton](History.md).
**This is a development branch, bugs to be expected**
This is forked from the original Compton because it seems to have become unmaintained.
The current battle plan of this fork is to refactor it to make the code _possible_ to maintain, so potential contributors won't be scared away when they take a look at the code.
We also try to fix bugs.
You can leave your feedbacks or thoughts in the [discussion tab](https://github.com/yshui/picom/discussions).
The original README can be found [here](README_orig.md)
You can leave your feedback or thoughts in the [discussion tab](https://github.com/yshui/picom/discussions).
## Call for testers
@ -27,36 +21,6 @@ To test the new backends, add the `--experimental-backends` flag to the command
To report issues with the new backends, please state explicitly you are using the new backends in your report.
## Rename
### Rationale
Since the inception of this fork, the existence of two compton repositories has caused some number of confusions. Mainly, people will report issues of this fork to the original compton, or report issues of the original compton here. Later, when distros started packaging this fork of compton, some wanted to differentiate the newer compton from the older version. They found themselves having no choice but to invent a name for this fork. This is less than ideal since this has the potential to cause more confusions among users.
Therefore, we decided to move this fork to a new name. Personally, I consider this more than justified since this version of compton has gone through significant changes since it was forked.
### The name
The criteria for a good name were
0. Being short, so it's easy to remember.
1. Pronounceability, again, helps memorability
2. Searchability, so when people search the name, it's easy for them to find this repository.
Of course, choosing a name is never easy, and there is no apparent way to objectively evaluate the names. Yet, we have to solve the aforementioned problems as soon as possible.
In the end, we picked `picom` (a portmanteau of `pico` and `composite`) as our new name. This name might not be perfect, but is what we will move forward with unless there's a compelling reason not to.
### Migration
Following the [deprecation process](https://github.com/yshui/picom/issues/114), migration to the new name will be broken into 3 steps:
1. All mentions of `compton` will be updated to `picom` in the code base. `compton` will still be installed, but only as a symlink to `picom`. When `picom` is launched via the symlink, a warning message is printed, alerting the user to migrate. Similarly, the old configuration file names and dbus interface names will still be accepted but warned.
2. 3 major releases after step 1, the warning messages will be prompted to error messages and `picom` will not start when launched via the symlink.
3. 3 major releases after step 2, the symlink will be removed.
The dbus interface and service names are unchanged, so no migration needed for that.
## Change Log
See [Releases](https://github.com/yshui/picom/releases)
@ -153,3 +117,10 @@ Contributions to the documents and wiki will also be appreciated.
## Contributors
See [CONTRIBUTORS](CONTRIBUTORS)
The README for the [original Compton project](https://github.com/chjj/compton/) can be found [here](History.md#Compton).
## Licensing
picom is free software, made available under the [MIT](LICENSES/MIT) and [MPL-2.0](LICENSES/MPL-2.0) software
licenses. See the individual source files for details.