gnu: signing-party: Update to commit d6f2296.

* gnu/packages/gnupg.scm (signing-party): Update to commit d6f2296.
[home-page]: Change to salsa.debian.org.
[source]: Use git-fetch.
[arguments]: Remove 'change-directory' phase.  In 'configure' phase,
modify 'gpgwrap/Makefile' instead of 'gpgwrap/src/Makefile'.

gnu/packages/gnupg.scm

@@ -625,15 +625,23 @@ PGP keysigning parties.")
    (home-page "https://www.phildev.net/pius/index.shtml")))
 
 (define-public signing-party
+  ;; Upstream moved from alioth.debian.org to salsa.debian.org but the
+  ;; automatic svn import did not preserve tags apparently, so there's no real
+  ;; version number.
+  (let ((commit "d6f2296325605ee96ddf9f5b156e5e3f667a6df3")
+        (revision "0"))
     (package
       (name "signing-party")
-   (version "2.6")
+      (version (git-version "2.6" revision commit))
+      (home-page "https://salsa.debian.org/stappers/pgp-tools")
       (source (origin
-            (method url-fetch)
-            (uri (string-append "mirror://debian/pool/main/s/signing-party/"
-                                "signing-party_" version ".orig.tar.gz"))
-            (sha256 (base32
-                     "1n5bpcfpl9vg1xp6r1jhbyahrgdyxp05b5pria1rh4m0qnv8sifr"))))
+                (method git-fetch)
+                (uri (git-reference
+                      (url home-page)
+                      (commit commit)))
+                (sha256
+                 (base32
+                  "00f7zasbwcbjzd92br2j10pyjxv0aw1qb4540qfz2dxzxgmdscrz"))))
       (build-system gnu-build-system)
       (native-inputs
        `(("autoconf" ,autoconf-wrapper)
@@ -648,11 +656,6 @@ PGP keysigning parties.")
        `(#:tests? #f
          #:phases
          (modify-phases %standard-phases
-        (add-before 'configure 'change-directory
-          (lambda _
-            ;; The build system in the unpack phase changes to a less useful
-            ;; subdirectory, so move up one level
-            (chdir (dirname (getcwd)))))
            (replace 'configure
              (lambda* (#:key outputs #:allow-other-keys)
                (let ((out (assoc-ref outputs "out")))
@@ -660,7 +663,7 @@ PGP keysigning parties.")
                    (("LDLIBS") (string-append "CC=" (which "gcc") "\nLDLIBS")))
                  (substitute* "keyanalyze/Makefile"
                    (("\\./configure") (string-append "./configure --prefix=" out)))
-              (substitute* "gpgwrap/src/Makefile"
+                 (substitute* "gpgwrap/Makefile"
                    (("\\} clean")
                     (string-append "} clean\ninstall:\n\tinstall -D bin/gpgwrap "
                                    out "/bin/gpgwrap\n")))
@@ -723,8 +726,7 @@ including tools for signing keys, keyring analysis, and party preparation.
       ;; gpl2+ for almost all programs, except for keyanalyze: gpl2
       ;; and caff and gpgsigs: bsd-3, see
       ;; http://packages.debian.org/changelogs/pool/main/s/signing-party/current/copyright
-   (license license:gpl2)
-   (home-page "https://pgp-tools.alioth.debian.org/")))
+      (license license:gpl2))))
 
 (define-public pinentry-tty
   (package