gnu: borg: Update to 1.4.0.

* gnu/packages/backup.scm (borg): Update to 1.4.0.
[source]: Remove obsolete snippet components.
[arguments]: Export a newly required environment variable in the 'set-env'
phase. Adjust the custom 'install-doc' phase to install miscellaneous
documentation into a directory named after the package name and version.

Change-Id: I688bb4e6c67506226418b6b4a47595f2a10c10ae

gnu/packages/backup.scm

@@ -675,14 +675,13 @@ detection, and lossless compression.")
 (define-public borg
   (package
     (name "borg")
-    (version "1.2.8")
+    (version "1.4.0")
     (source
      (origin
        (method url-fetch)
        (uri (pypi-uri "borgbackup" version))
        (sha256
-        (base32 "1aplj54x6hcyg3mnzscnwi07npy7nrws2246ss25ax6bsaq257fk"))
-       (modules '((guix build utils)))
+        (base32 "0agdyrmj7yy2vn0qghcpq458v9d09q9jvzzrszz6dyj3aqalak65"))
        (snippet
         #~(begin
             ;; Delete files generated by Cython.  We used to have a regex that
@@ -701,11 +700,7 @@ detection, and lossless compression.")
                         "src/borg/platform/linux.c"
                         "src/borg/platform/posix.c"
                         "src/borg/platform/syncfilerange.c"
-                        "src/borg/platform/windows.c"))
-            ;; Remove bundled shared libraries.
-            (with-directory-excursion "src/borg/algorithms"
-              (for-each delete-file-recursively
-                        (list "lz4" "xxh64" "zstd")))))))
+                        "src/borg/platform/windows.c"))))))
     (build-system python-build-system)
     (arguments
      (list
@@ -716,10 +711,12 @@ detection, and lossless compression.")
       #~(modify-phases %standard-phases
           (add-after 'unpack 'set-env
             (lambda* (#:key inputs #:allow-other-keys)
-              (let ((openssl #$(this-package-input "openssl"))
+              (let ((acl #$(this-package-input "acl"))
+                    (openssl #$(this-package-input "openssl"))
                     (lz4 #$(this-package-input "lz4"))
                     (xxhash #$(this-package-input "xxhash"))
                     (zstd #$(this-package-input "zstd")))
+                (setenv "BORG_LIBACL_PREFIX" acl)
                 (setenv "BORG_OPENSSL_PREFIX" openssl)
                 (setenv "BORG_LIBLZ4_PREFIX" lz4)
                 (setenv "BORG_LIBXXHASH_PREFIX" xxhash)
@@ -756,7 +753,8 @@ detection, and lossless compression.")
           (add-after 'install 'install-doc
             (lambda _
               (let ((man (string-append #$output "/share/man/man1"))
-                    (misc (string-append #$output "/share/borg/misc")))
+                    (misc (string-append #$output "/share/doc/borg-"
+                                         #$(package-version this-package))))
                 (for-each (cut install-file <> misc)
                           '("docs/misc/create_chunker-params.txt"
                             "docs/misc/borg-data-flow.png"