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-rw-r--r--gnu/packages/file-systems.scm44
1 files changed, 43 insertions, 1 deletions
diff --git a/gnu/packages/file-systems.scm b/gnu/packages/file-systems.scm
index c6063c42c4..d326b9cc3d 100644
--- a/gnu/packages/file-systems.scm
+++ b/gnu/packages/file-systems.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2017, 2018, 2020, 2021 Tobias Geerinckx-Rice <me@tobias.gr>
+;;; Copyright © 2017, 2018, 2020–2022 Tobias Geerinckx-Rice <me@tobias.gr>
;;; Copyright © 2017 Gábor Boskovits <boskovits@gmail.com>
;;; Copyright © 2017, 2018, 2021 Ricardo Wurmus <rekado@elephly.net>
;;; Copyright © 2018 Leo Famulari <leo@famulari.name>
@@ -380,6 +380,48 @@ is corrupted you'll lose the affected file(s) but not the whole back-up.")
(home-page "https://www.fsarchiver.org/")
(license license:gpl2)))
+(define-public fstransform
+ (package
+ (name "fstransform")
+ (version "0.9.4")
+ (source
+ (origin
+ (method git-fetch)
+ (uri (git-reference
+ (url "https://github.com/cosmos72/fstransform")
+ (commit version)))
+ (file-name (git-file-name name version))
+ (sha256
+ (base32 "0vhypb6pbghja95av62ds4mhldbg0h8g4yg94k9r7lsxm7bgpfr3"))))
+ (build-system gnu-build-system)
+ (arguments
+ (list #:phases
+ #~(modify-phases %standard-phases
+ (add-after 'install 'install-README
+ ;; There are no man pages. Install a poor substitute.
+ (lambda* (#:key outputs #:allow-other-keys)
+ (let* ((out (assoc-ref outputs "out"))
+ (doc (string-append out "/share/doc/" #$name)))
+ (install-file "README" doc)))))))
+ (inputs (list e2fsprogs))
+ (home-page "https://github.com/cosmos72/fstransform")
+ (synopsis "Convert file system types in place without copying all data")
+ (description
+ "This package provides several command-line tools to transform a supported
+file system, such as XFS, into one of a different supported type, such as ext4.
+All existing file contents, names, and directories are preserved.
+
+The conversion happens @dfn{in place}, without the need to create a complete
+copy of the original data. This lets you transform almost full file systems on
+systems where adding (sufficient) additional storage space is not an option.
+
+Do @emph{not} use this package when you could simply create an empty file system
+from scratch and restore from a back-up. Transformation is limited, slow, and
+significantly increases the risk of irreversible data loss!")
+ ;; Please follow <https://github.com/cosmos72/fstransform/issues/46>.
+ (license (list license:gpl2 ; fsattr/src/e4attr.* → sbin/fsattr
+ license:gpl3+)))) ; the rest
+
(define-public gphotofs
(package
(name "gphotofs")