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About Meld

Meld is a visual diff and merge tool targeted at developers. Meld helps youcompare files, directories, and version controlled projects. It providestwo- and three-way comparison of both files and directories, and supportsmany version control systems including Git, Mercurial, Bazaar, CVS and Subversion.

Meld helps you review code changes, understand patches, and makes enormousmerge conflicts slightly less painful.

Meld is licensed under the GPL v2 or later.

Requirements

• Python 3.6
• pycairo (Python3 bindings for cairo without GObject layer)
• PyGObject 3.30 (Python3 bindings for GObject introspection)
• gsettings-desktop-schemas

And following packages with GObject introspection:

• GLib 2.36
• Pango
• PangoCairo
• GTK+ 3.20
• GtkSourceView 4.0

Build requirements

• Python 3.6
• Meson 0.48
• Ninja
• gettext
• GLib 2.36 and its development utilities such as glib-compile-schemas

For Windows build requirements, see mingw-common section .gitlab-ci.yml

Running

You do not need to build Meld in order to run it. Meld can be run directlyfrom this source directory by running:

$ bin/meld

Unix users should get Meld from their distribution package manager, or fromFlathub.

Windows users should download the provided MSIs on theMeld home page.

OSX users can install Meld using Homebrew (or Macports, Fink, etc.), or thereare unofficial native builds available from theMeld for OSX project.

Building

Meld uses meson build system. Use the followingcommands to build Meld from the source directory:

$ meson _build$ cd _build$ ninja

You can then install Meld system-wide by running:

$ ninja install

A Windows installer can be built with command

C:\Python34\python.exe setup_win32.py bdist_msi

which will create the file dist/Meld-VERSION-ARCH.msi.

Developing

It's easy to get started developing Meld. From a git checkout, just runbin/meld.

We also support development using Flatpak via GNOME Builder. At the Builder"Clone..." dialog, enter https://gitlab.gnome.org/GNOME/meld.git, and thedefault build + run development flow using Flatpak should work.

Contributing

Meld uses GNOME's GitLab to track bugs, and user questions and developmentdiscussions happen on the Meld mailing list. The development team is small,and new contributors are always welcome!

List of issues: https://gitlab.gnome.org/GNOME/meld/issues

Support forum: https://discourse.gnome.org/tag/meld

Links

Home page: http://meldmerge.org

Documentation: http://meldmerge.org/help

Wiki: https://wiki.gnome.org/Apps/Meld