gnu: Remove reposurgeon.

This package is broken since 2018 and an update requires Go modules.

* gnu/packages/version-control.scm (reposurgeon): Delete variable.

Signed-off-by: Maxim Cournoyer <maxim.cournoyer@gmail.com>

gnu/packages/version-control.scm

@@ -2399,82 +2399,6 @@ (define-public aegis
 any project with more than one developer, is one of Aegis's major functions.")
     (license license:gpl3+)))
 
-(define-public reposurgeon
-  (package
-    (name "reposurgeon")
-    (version "3.43")
-    (source (origin
-              (method url-fetch)
-              (uri (string-append "http://www.catb.org/~esr/" name "/"
-                                  name "-" version ".tar.xz"))
-              (sha256
-               (base32
-                "1af0z14wcm4bk5a9ysinbwq2fp3lf5f7i8mvwh7286hr3fnagcaz"))
-              (patches (search-patches
-                        "reposurgeon-add-missing-docbook-files.patch"))))
-    (build-system gnu-build-system)
-    (arguments
-     `(#:make-flags
-       (list "ECHO=echo"
-             (string-append "target=" (assoc-ref %outputs "out")))
-       #:phases
-       (modify-phases %standard-phases
-         (add-after 'unpack 'patch-inputs
-           (lambda* (#:key inputs #:allow-other-keys)
-             (let ((tzdata (assoc-ref inputs "tzdata")))
-               (substitute* "reposurgeon"
-                 (("/usr/share/zoneinfo")
-                  (string-append tzdata "/share/zoneinfo")))
-               (substitute* "test/svn-to-svn"
-                 (("/bin/echo") "echo"))
-               #t)))
-         (delete 'configure)            ; no configure script
-         (add-before 'build 'fix-docbook
-           (lambda* (#:key inputs #:allow-other-keys)
-             (substitute* (find-files "." "\\.xml$")
-               (("docbook/docbookx.dtd")
-                (string-append (assoc-ref inputs "docbook-xml")
-                               "/xml/dtd/docbook/docbookx.dtd")))
-             #t))
-         (add-before 'check 'set-up-test-environment
-           (lambda* (#:key inputs #:allow-other-keys)
-             (let ((tzdata (assoc-ref inputs "tzdata")))
-               (setenv "TZDIR" (string-append tzdata "/share/zoneinfo"))
-               #t)))
-         (add-after 'install 'install-emacs-data
-           (lambda* (#:key outputs #:allow-other-keys)
-             (install-file "reposurgeon-mode.el"
-                           (string-append (assoc-ref outputs "out")
-                                          "/share/emacs/site-lisp"))
-             #t)))))
-    (inputs
-     `(("python" ,python-wrapper)
-       ("tzdata" ,tzdata)))
-    (native-inputs
-     (list ;; For building documentation.
-           asciidoc
-           docbook-xml
-           docbook-xsl
-           libxml2
-           xmlto
-           ;; For tests.
-           cvs
-           git
-           mercurial
-           subversion))
-    (home-page "http://www.catb.org/~esr/reposurgeon/")
-    (synopsis "Edit version-control repository history")
-    (description "Reposurgeon enables risky operations that version-control
-systems don't want to let you do, such as editing past comments and metadata
-and removing commits.  It works with any version control system that can
-export and import Git fast-import streams, including Git, Mercurial, Fossil,
-Bazaar, CVS, RCS, and Src.  It can also read Subversion dump files directly
-and can thus be used to script production of very high-quality conversions
-from Subversion to any supported Distributed Version Control System (DVCS).")
-    ;; Most files are distributed under bsd-2, except 'repocutter' which is
-    ;; under bsd-3.
-    (license (list license:bsd-2 license:bsd-3))))
-
 (define-public tig
   (package
     (name "tig")