;; This is an operating system configuration template
;; for a "bare bones" setup on BeagleBone Black board.

(use-modules (gnu) (gnu bootloader u-boot))
(use-service-modules networking)
(use-package-modules bootloaders screen ssh)

(operating-system
  (host-name "komputilo")
  (timezone "Europe/Berlin")
  (locale "en_US.utf8")

  ;; Assuming /dev/mmcblk1 is the eMMC, and "my-root" is
  ;; the label of the target root file system.
  (bootloader (bootloader-configuration
               (bootloader u-boot-beaglebone-black-bootloader)
               (target "/dev/mmcblk1")))

  ;; This module is required to mount the SD card.
  (initrd-modules (cons "omap_hsmmc" %base-initrd-modules))

  (file-systems (cons (file-system
                        (device (file-system-label "my-root"))
                        (mount-point "/")
                        (type "ext4"))
                      %base-file-systems))

  ;; This is where user accounts are specified.  The "root"
  ;; account is implicit, and is initially created with the
  ;; empty password.
  (users (cons (user-account
                (name "alice")
                (comment "Bob's sister")
                (group "users")

                ;; Adding the account to the "wheel" group
                ;; makes it a sudoer.  Adding it to "audio"
                ;; and "video" allows the user to play sound
                ;; and access the webcam.
                (supplementary-groups '("wheel"
                                        "audio" "video")))
               %base-user-accounts))

  ;; Globally-installed packages.
  (packages (append (list screen openssh) %base-packages))

  (services (append (list (service dhcp-client-service-type)
                          ;; mingetty does not work on serial lines.
                          ;; Use agetty with board-specific serial parameters.
                          (agetty-service
                           (agetty-configuration
                            (extra-options '("-L"))
                            (baud-rate "115200")
                            (term "vt100")
                            (tty "ttyO0"))))
                  %base-services)))
ts</a>/<a href='/guix/log/tests/challenge.scm?id=d42245d4014b2b51d7541fba370741f7c4e7b68f'>challenge.scm</a></div><div class='content'><table class='list nowrap'><tr class='nohover'><th class='left'>Age</th><th class='left'>Commit message (<a href='/guix/log/tests/challenge.scm?id=d42245d4014b2b51d7541fba370741f7c4e7b68f&amp;showmsg=1'>Expand</a>)</th><th class='left'>Author</th></tr>
<tr><td><span title='2020-05-22 01:29:39 +0200'>2020-05-22</span></td><td><a href='/guix/commit/tests/challenge.scm?id=ce0be5675b702b2ff89aed1772ebb42af4150243'>packages: Introduce &lt;content-hash&gt; and use it in &lt;origin&gt;.</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/packages.scm (&lt;content-hash&gt;): New record type.
(define-content-hash-constructor, build-content-hash)
(content-hash): New macros.
(print-content-hash): New procedure.
(&lt;origin&gt;): Rename constructor to '%origin'.
[sha256]: Remove field.
[hash]: New field.  Adjust users.
(origin-compatibility-helper, origin): New macros.
(origin-sha256): New deprecated procedure.
(origin-&gt;derivation): Adjust accordingly.
* tests/packages.scm ("package-source-derivation, origin, sha512"): New
test.
* guix/tests.scm: Hide (gcrypt hash) 'sha256' for proper syntax
matching.
* tests/challenge.scm: Add #:prefix for (gcrypt hash) and adjust users.
* tests/derivations.scm: Likewise.
* tests/store.scm: Likewise.
* tests/graph.scm ("bag DAG, including origins"): Provide 'sha256' field
with the right length.
* gnu/packages/aspell.scm (aspell-dictionary)
(aspell-dict-ca, aspell-dict-it): Use 'hash' and 'content-hash' for
proper syntax matching.
* gnu/packages/bash.scm (bash-patch): Rename 'sha256' to 'sha256-bv'.
* gnu/packages/bootstrap.scm (bootstrap-executable): Rename 'sha256' to 'bv'.
* gnu/packages/readline.scm (readline-patch): Likewise.
* gnu/packages/virtualization.scm (qemu-patch): Rename 'sha256' to
'sha256-bv'.
* guix/import/utils.scm: Hide (gcrypt hash) 'sha256'.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-12-12 17:56:58 +0100'>2019-12-12</span></td><td><a href='/guix/commit/tests/challenge.scm?id=828a39da68a9169ef1d9f9ff02a1c66b1bcbe884'>challenge: Support "--diff=diffoscope".</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/scripts/challenge.scm (call-with-nar): New procedure.
(narinfo-contents): Express in terms of 'call-with-nar'.
(call-with-mismatches, report-differing-files/external): New
procedures.
(%diffoscope-command): New variable.
(%options): Support "diffoscope" and a string starting with "/".
* tests/challenge.scm (call-mismatch-test): New procedure.
("differing-files"): Rewrite in terms of 'call-mismatch-test'.
("call-with-mismatches"): New test.
* doc/guix.texi (Invoking guix challenge): Document it.
</span></span></td><td>Ludovic Courtès</td></tr>
<tr><td><span title='2019-12-12 17:56:58 +0100'>2019-12-12</span></td><td><a href='/guix/commit/tests/challenge.scm?id=5208db3a526e3fcdb8473d9bab8afe498c5f3f76'>challenge: Add "--diff".</a><span class='msg-avail'>...<span class='msg-tooltip'>* guix/scripts/challenge.scm (dump-port*): New variable.
(archive-contents, store-item-contents, narinfo-contents)
(differing-files, report-differing-files): New procedures.
(summarize-report): Add #:report-differences and call it.
(show-help, %options): Add "--diff".
(%default-options): Add 'difference-report' key.
(report-differing-files): Parameterize CURRENT-TERMINAL-COLUMNS and pass
 #:report-differences to 'summarize-report'.
* guix/tests/http.scm (%local-url): Add optional argument.
(call-with-http-server): Fix docstring typo.
* tests/challenge.scm (query-path-size, make-narinfo): New procedures.
("differing-files"): New test.
* doc/guix.texi (Invoking guix challenge): Document "--diff".
</span></span></td><td>Ludovic Courtès</td></tr>