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README.md
author Jan Vrany <jan.vrany@labware.com>
Fri, 19 Feb 2021 08:29:41 +0000
changeset 924 4d92f234f671
parent 559 66900c88efbb
permissions -rw-r--r--
Rework and fix HGSourceCodeManager >> #revisionLogOf:...directory:module:` This commit changes the logic in two ways: 1. #newestRevision is now the newest revision in the branch that *contains* given file (not necesarily modidfes it). If there are multiple heads in that branch, pretty much random one is returned. This changes old behavior and therefore this commit updates tests. 2. If a specific single revision is requested, i.e., both from and to revisions are the same, revision log with that single revision is returned no matter whether it modifies the file or even contains that file at all. This is essentially a workaround to fix issue #305. Moreover, this commit simplifies the code a lot by delegating all the changeset searching and filtering to mercurial using revset expressions. See https://swing.fit.cvut.cz/projects/stx-jv/ticket/305#comment:3

# Mercurial support for Smalltalk/X

**stx:libscm** is a new source code management library for [Smalltalk/X][1]. Currently only [Mercurial][2] is supported
but its design allow for other source code management systems to by plugged in if required.

The Mercurial support consist of:

* low-level Mercurial API allowing to query and manipulate Mercurial repositories
* Integration into Smalltalk/X IDE allowing to commit, branch or merge Smalltalk/X packages directly within Smalltalk/x IDE. 

## Installation

1.  **Install Mercurial command line client.** 
    
    See [Mercurial wiki page](http://mercurial.selenic.com/wiki/Download) for details 
    how to install Mercurial on your machine. 

2.  **Download and run an installer script**
   
    Download [`HGInstaller.st`](https://bitbucket.org/janvrany/stx-libscm/raw/default/mercurial/HGInstaller.st) script and run it as:

    `stx --execute HGInstaller.st`

**NOTE**: Smalltalk/X *jv-branch* has Mercurial support already included,
so there's no need to install it explicitly.

See [installation instruction](https://bitbucket.org/janvrany/stx-libscm/wiki/Installation) for more details.

## Supported version

**stx:libscm** works - to some extent - on three Smalltalk/X versions

- [Smalltalk/X "jv branch"][6] - fully "supported" (i.e, all features should work, this is where libscm development takes place)
- Smalltalk/X "eXept HEAD" - should work, though not regularly tested. If not, please file in a bugreport here. 
- [Smalltalk/X 6.2.2][1] - generally not supported. The last version working on 6.2.2 was released as [1.0][7], which allows basic commit. If you need more recent version running on 6.2.2 (or any other older version), please contact the autor. 


For more detauls see [release notes](https://bitbucket.org/janvrany/stx-libscm/wiki/ReleaseNotes.md).

## More Information

- [Wiki][4]
- [User guide][5] (always incomplete :-)

## Support

As the stx:libscm comes free of charge, it comes with no warranty or whatsoever. For (commercial) support please 
contact the author.

## Author

Jan Vrany `<jan.vrany [at] fit.cvut.cz>`


[1]: http://www.exept.de/en/products/smalltalk-x.html
[2]: http://mercurial.selenic.com/
[3]: http://www.exept.de/en/products/smalltalkx/download
[4]: https://bitbucket.org/janvrany/stx-libscm/wiki/Home
[5]: http://swing.fit.cvut.cz/projects/stx/doc/online/english/help/HG/
[6]: https://swing.fit.cvut.cz/projects/stx-jv/
[7]: https://bitbucket.org/janvrany/stx-libscm/src/1.0
hg/stx-libscm