bug#63021: [PATCH] gnu: Add diffpdf.

[Ludovic Courtès]

Hi,

Olivier Dion <olivier.dion@polymtl.ca> skribis:

> * gnu/packages/pdf.scm (diffpdf): New variable.

Applied with the changes below: addressing ‘guix lint’ warnings, using a
version string that matches the latest tag, and passing it through ‘guix
style’.

Ludo’.

diff --git a/gnu/packages/pdf.scm b/gnu/packages/pdf.scm
index 6eea3c68d0..ddac5537f0 100644
--- a/gnu/packages/pdf.scm
+++ b/gnu/packages/pdf.scm
@@ -168,35 +168,30 @@ (define-public a4pdf
     (license license:asl2.0)))
 
 (define-public diffpdf
-  (let ((commit "ba68231d3d05e0cb3a2d4a4fca8b70d4044f4303"))
+  (let ((commit "ba68231d3d05e0cb3a2d4a4fca8b70d4044f4303")
+        (revision "1"))
     (package
       (name "diffpdf")
-      (version "2.1.2")
-      (source
-       (origin
-       (method git-fetch)
-       (uri (git-reference
-             (url "https://gitlab.com/eang/diffpdf";)
-             (commit commit)))
-       (file-name (git-file-name name version))
-       (sha256
-        (base32 "1vwgv28b291lrcs9fljnlbnicv16lwj4vvl4bz6w3ldp9n5isjmf"))))
+      (version (git-version "2.1.3.1" revision commit))
+      (source (origin
+                (method git-fetch)
+                (uri (git-reference
+                      (url "https://gitlab.com/eang/diffpdf";)
+                      (commit commit)))
+                (file-name (git-file-name name version))
+                (sha256
+                 (base32
+                  "1vwgv28b291lrcs9fljnlbnicv16lwj4vvl4bz6w3ldp9n5isjmf"))))
       (build-system cmake-build-system)
       (arguments
        `(#:tests? #f))
-      (inputs
-       (list
-        extra-cmake-modules
-        qtbase-5
-        qttools-5
-        poppler-qt5))
-      (native-inputs
-       (list pkg-config))
+      (inputs (list qtbase-5 qttools-5 poppler-qt5))
+      (native-inputs (list pkg-config extra-cmake-modules))
       (home-page "http://www.qtrac.eu/diffpdf-foss.html";)
       (synopsis "Compare two PDF files")
       (description
-       "@command{diffpdf} offers three comparison modes: Words, Characters,
-and Appearance.")
+       "@command{diffpdf} lets you compare PDF files, offering three
+comparison modes: words, characters, and appearance.")
       (license license:gpl2))))
 
 (define-public extractpdfmark