[整理]Mac安装Meld，并使用Meld作为git diff tool的工具

本文详细介绍了如何在Mac上安装Meld，并将其配置为Git的默认比较工具，解决了meld仅接受两个参数而Git diff传递七个参数的问题。

Meld是一款流行的图形化差异比较和合并工具，在开发者社区中广受欢迎。 该项目最初由GNOME开发，后来由yousseb维护了一个macOS专用版本。 然而，近期该项目在Homebrew上的安装出现了一些变化，引起了用户社区的关注。

TLDR: currently, the best way to run Meld is to install Homebrew and then run brew install dehesselle-meld. Update 2025-04-21: Starting today, it seems that Homebrew renamed the dehesselle-meld cask to just meld, https://formulae.brew.sh/cask/meld.

Download the latest version of Meld for Mac for free. Compare with similar apps on MacUpdate.

Meld is not yet supported on macOS, though semi-official builds are available and will hopefully be fully integrated in the future. You can install from Homebrew, MacPorts or Fink. Older third-party binaries are also still available, but may have issues w

Meld helps you compare files, directories, and version controlled projects. It provides two- and three-way comparison of both files and directories, and has support for many popular version control systems such as git, mercurial and others.