gnu: Add kompare.

* gnu/packages/kde.scm (kompare): New variable.

Signed-off-by: 宋文武 <iyzsong@member.fsf.org>

gnu/packages/kde.scm

@@ -891,6 +891,50 @@ cards.")
      "Kommit is a git client for KDE.")
     (license license:gpl3+)))
 
+(define-public kompare
+  (package
+    (name "kompare")
+    (version "23.04.3")
+    (source (origin
+              (method url-fetch)
+              (uri (string-append "mirror://kde/stable/release-service/" version
+                                  "/src/kompare-" version ".tar.xz"))
+              (sha256
+               (base32
+                "058rr0n5r9czxqs6ixacx0bm8hglwjmhfpf5xf1zr0fjgcirlrwy"))))
+    (build-system qt-build-system)
+    (native-inputs
+     (list extra-cmake-modules kdoctools))
+    (inputs
+     (list libkomparediff2
+           kcodecs
+           kconfig
+           kcoreaddons
+           kiconthemes
+           kjobwidgets
+           kparts
+           ktexteditor
+           kwidgetsaddons))
+    (home-page "https://apps.kde.org/kompare/")
+    (synopsis "Graphical file differences tool")
+    (description
+     "Kompare is a program to view the differences between files.  Features
+include:
+@itemize
+@item comparison of files or directories via a graphical interface,
+@item bezier-based connection widget letting you see both source and destination,
+@item graphical viewing of patch files in normal, context, unified and diff
+ formats,
+@item interactive application of differences,
+@item network transparency,
+@item ability to view plain-text diff output in embedded viewer,
+@item navigation of multiple-file diffs with dockable navigation tree,
+@item graphical interface for commonly used diff command line options,
+@item switch source and destination
+@item and diff statistics.
+@end itemize")
+    (license license:gpl3+)))
+
 (define-public kopeninghours
   (package
     (name "kopeninghours")