>From ac0ff2afbbcc63d9b6b7b448877f54b58e975668 Mon Sep 17 00:00:00 2001
From: Lars-Dominik Braun <lars@6xq.net>
Date: Sun, 24 May 2020 10:48:02 +0200
Subject: [PATCH 2/2] gnu: Add mergerfs-tools.

* gnu/packages/storage.scm (mergerfs-tools): New variable.
---
 gnu/packages/storage.scm | 53 ++++++++++++++++++++++++++++++++++++++++
 1 file changed, 53 insertions(+)

diff --git a/gnu/packages/storage.scm b/gnu/packages/storage.scm
index b8090c7eaa..ee5967aff6 100644
--- a/gnu/packages/storage.scm
+++ b/gnu/packages/storage.scm
@@ -24,6 +24,8 @@
   #:use-module (guix utils)
   #:use-module (guix build-system cmake)
   #:use-module (guix build-system gnu)
+  #:use-module (guix build-system copy)
+  #:use-module (guix git-download)
   #:use-module (gnu packages)
   #:use-module (gnu packages admin)
   #:use-module (gnu packages assembly)
@@ -46,6 +48,7 @@
   #:use-module (gnu packages pkg-config)
   #:use-module (gnu packages python)
   #:use-module (gnu packages python-xyz)
+  #:use-module (gnu packages rsync)
   #:use-module (gnu packages sphinx)
   #:use-module (gnu packages tls)
   #:use-module (gnu packages web)
@@ -299,3 +302,53 @@ storage protocols (S3, NFS, and others) through the RADOS gateway.")
                license:isc
                ;; imported libfuse code
                license:gpl2 license:lgpl2.0))))
+
+(define-public mergerfs-tools
+  (let ((commit "c926779d87458d103f3b674603bf97801ae2486d")
+        (revision "1"))
+    (package
+      (name "mergerfs-tools")
+      ;; unreleased, no version
+      (version (git-version "0" revision commit))
+      (source
+       (origin
+         (method git-fetch)
+         (uri (git-reference
+               (url "https://github.com/trapexit/mergerfs-tools.git")
+               (commit commit)))
+         (file-name (git-file-name name version))
+         (sha256
+          (base32
+           "04hhwcib0xv4cf1mkj8zrp2aqpxkncml9iqg4m1mz6a5zhzsk0vm"))))
+      (build-system copy-build-system)
+      (inputs
+       `(("python" ,python)
+         ("python-xattr" ,python-xattr)
+         ("rsync" ,rsync)))
+      (arguments
+       '(#:install-plan
+         '(("src/" "bin/"))
+         #:phases
+         (modify-phases %standard-phases
+           (add-after 'unpack 'patch-paths
+             (lambda* (#:key inputs #:allow-other-keys)
+               (substitute* (find-files "src" "^mergerfs\\.")
+                 (("'rsync'")
+                  (string-append "'" (assoc-ref inputs "rsync") "/bin/rsync'"))
+                 (("'rm'")
+                  (string-append "'" (assoc-ref inputs "coreutils") "/bin/rm'")))
+               (substitute* "src/mergerfs.mktrash"
+                 (("xattr")
+                  (string-append (assoc-ref inputs "python-xattr") "/bin/xattr"))
+                 (("mkdir")
+                  (string-append (assoc-ref inputs "coreutils") "/bin/mkdir")))
+               #t)))))
+      (synopsis "Optional tools to help manage data in a mergerfs pool")
+      (description
+       "Audit permissions and ownership of files and directories, duplicates
+        files & directories across branches in a pool, find and remove
+        duplicate files, balance pool drives, consolidate files in a single
+        mergerfs directory onto a single drive and create FreeDesktop.org Trash
+        specification compatible directories.")
+      (home-page "https://github.com/trapexit/mergerfs-tools")
+      (license license:isc))))
-- 
2.26.2