[bug#28281] [PATCH] gnu: Add os-prober.

[Arun Isaac]

* gnu/packages/bootloaders.scm (os-prober): New variable.
---
 gnu/packages/bootloaders.scm | 66 ++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 66 insertions(+)

diff --git a/gnu/packages/bootloaders.scm b/gnu/packages/bootloaders.scm
index f66d0bb3f..57d284be6 100644
--- a/gnu/packages/bootloaders.scm
+++ b/gnu/packages/bootloaders.scm
@@ -395,3 +395,69 @@ also initializes the boards (RAM etc).")
 
 (define-public u-boot-odroid-c2
   (make-u-boot-package "odroid-c2" "aarch64-linux-gnu"))
+
+(define-public os-prober
+  (package
+    (name "os-prober")
+    (version "1.76")
+    (source
+     (origin
+       (method url-fetch)
+       (uri (string-append "mirror://debian/pool/main/o/os-prober/os-prober_"
+                           version ".tar.xz"))
+       (sha256
+        (base32
+         "1vb45i76bqivlghrq7m3n07qfmmq4wxrkplqx8gywj011rhq19fk"))))
+    (build-system gnu-build-system)
+    (arguments
+     `(#:modules ((guix build gnu-build-system)
+                  (guix build utils)
+                  (ice-9 ftw)     ; for ftw
+                  (ice-9 regex)   ; for string-match
+                  (srfi srfi-2)   ; for and-let*
+                  (srfi srfi-26)) ; for cut
+       #:make-flags (list "CC=gcc")
+       #:tests? #f ; no tests
+       #:phases
+       (modify-phases %standard-phases
+         (replace 'configure
+           (lambda* (#:key outputs #:allow-other-keys)
+             (substitute* (find-files ".")
+               (("/usr") (assoc-ref outputs "out")))
+             (substitute* (find-files "." "50mounted-tests$")
+               (("mkdir") "mkdir -p"))
+             #t))
+         (replace 'install
+           (lambda* (#:key outputs #:allow-other-keys)
+             (let* ((out (assoc-ref outputs "out"))
+                    (bin (string-append out "/bin"))
+                    (lib (string-append out "/lib"))
+                    (share (string-append out "/share")))
+               (for-each (cut install-file <> bin)
+                         (list "linux-boot-prober" "os-prober"))
+               (install-file "newns" (string-append lib "/os-prober"))
+               (install-file "common.sh" (string-append share "/os-prober"))
+               (install-file "os-probes/mounted/powerpc/20macosx"
+                             (string-append lib "/os-probes/mounted"))
+               (for-each
+                (lambda (directory)
+                  (ftw directory
+                       (lambda (file stat flag)
+                         (when (eq? flag 'regular)
+                           (and-let* ((result (or (string-match "/common/" 
file)
+                                                  (string-match "/x86/" 
file))))
+                             (install-file
+                              file (dirname
+                                    (string-append
+                                     lib "/" (substring file 0 (match:start 
result 0))
+                                     (substring file (1- (match:end result 
0))))))))
+                         #t)))
+                (list "os-probes" "linux-boot-probes"))
+               #t))))))
+    (home-page "https://joeyh.name/code/os-prober";)
+    (synopsis "Detect other operating systems")
+    (description "os-prober probes disks on the system for other operating
+systems so that they can be added to the bootloader.  It also works out how to
+boot existing GNU/Linux systems and detects what distribution is installed in
+order to add a suitable bootloader menu entry.")
+    (license license:gpl2+)))
-- 
2.13.4