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-*- mode: org; coding: utf-8; -*-

#+TITLE: Hacking GNU Guix and Its Incredible Distro

Copyright © 2012, 2013, 2014, 2016, 2017, 2019 Ludovic Courtès <ludo@gnu.org>
Copyright © 2015, 2017 Mathieu Lirzin <mthl@gnu.org>
Copyright © 2017 Leo Famulari <leo@famulari.name>
Copyright © 2017 Arun Isaac <arunisaac@systemreboot.net>

  Copying and distribution of this file, with or without modification,
  are permitted in any medium without royalty provided the copyright
  notice and this notice are preserved.

* Contributing

See the manual for useful hacking information, either by running

  info -f doc/guix.info "Contributing"

or by checking the [[https://guix.gnu.org/manual/devel/en/html_node/Contributing.html][web copy of the manual]].
e doc. Use VERSION to conditionally return old style vs new style initrd arguments. (%boot-parameters-version): Increment to 1. (operating-system-boot-parameters): Adjust doc. (operating-system-boot-parameters-file): Likewise. * gnu/system/linux-initrd.scm (raw-initrd, base-initrd): Likewise. * doc/guix.texi: Adjust doc. * gnu/build/activation.scm (boot-time-system): Adjust accordingly. * gnu/build/hurd-boot.scm (boot-hurd-system): Likewise. * gnu/packages/commencement.scm (%final-inputs-riscv64): Adjust comment. Maxim Cournoyer 2022-02-17build: linux-boot: Expound docstring of the 'boot-system' procedure....* gnu/build/linux-boot.scm (boot-system): Document the Linux command-line parameters it understands and split a long string over two lines. Maxim Cournoyer 2021-09-23syscalls: Deduplicate device number conversion....* guix/cpio.scm (device-number, device->major+minor): Move to, and subsequently import from, … * guix/build/syscalls.scm (device-number, device-number->major+minor): …here. Note the slight name change. (mounts): Replace 16-bit open code with a DEVICE-NUMBER call. * gnu/build/linux-boot.scm (device-number): Remove duplicate 16-bit implementation in favour of the one above. (resume-if-hibernated): Reuse DEVICE-NUMBER->MAJOR+MINOR. Tobias Geerinckx-Rice 2021-09-23linux-boot: Honour fsck.mode & fsck.repair....* gnu/build/linux-boot.scm (boot-system): Honour ‘fsck.mode=’ and ‘fsck.repair=’ kernel command line options. * doc/guix.texi (Initial RAM Disk): Document both. Tobias Geerinckx-Rice 2021-09-23file-systems: Support forced checks & repairs....* gnu/build/file-systems.scm (check-ext2-file-system) (check-bcachefs-file-system, check-btrfs-file-system) (check-fat-file-system, check-jfs-file-system, check-f2fs-file-system) (check-ntfs-file-system, check-file-system): Take and honour new FORCE? and REPAIR arguments. Update the docstring. Adjust all callers. * gnu/system/file-systems.scm <file-system>: Add new SKIP-CHECK-IF-CLEAN? and REPAIR fields. (file-system->spec, spec->file-system): Adjust accordingly. * gnu/build/linux-boot.scm (mount-root-file-system): Take new SKIP-CHECK-IF-CLEAN? and REPAIR keyword arguments. Thread them through to CHECK-FILE-SYSTEM. * doc/guix.texi (File Systems): Document both new <file-system> options. Tobias Geerinckx-Rice 2021-09-12linux-boot: Remove mummified comment....* gnu/build/linux-boot.scm (configure-qemu-networking): Delete 2014 comment about not doing something here. Tobias Geerinckx-Rice 2021-06-16gnu: Respect ‘rootdelay’ kernel command-line argument....* gnu/build/linux-boot.scm (boot-system): Sleep for "rootdelay=SECONDS" when specified on the kernel command line. Tobias Geerinckx-Rice 2021-05-23gnu: Respect the root file-system's CHECK? field....* gnu/build/linux-boot.scm (mount-root-file-system): Take a new #:CHECK? keyword argument. Add it to the docstring. Conditionally call CHECK-FILE-SYSTEM. (boot-system): Adjust its only caller to pass the <file-system>'s CHECK? option through, if available. Tobias Geerinckx-Rice 2020-12-17linux-boot: Fix noresume argument parsing....* gnu/build/linux-boot.scm (boot-system): Check for "hibernate=noresume" in addition to "noresume". Tobias Geerinckx-Rice 2020-11-07linux-boot: Resume from hibernation....* gnu/build/linux-boot.scm (resume-if-hibernated): New procedure. (boot-system): Call it. Tobias Geerinckx-Rice 2020-09-07linux-boot: Handle nfs-root device strings....* gnu/build/linux-boot.scm (device-string->file-system-device): Support nfs-root "device" strings. * gnu/build/file-systems.scm (canonicalize-device-spec): Support nfs-root "device" strings. * gnu/machine/ssh.scm (machine-check-file-system-availability): Avoid checking of NFS file systems. * gnu/system.scm (read-boot-parameters, device-sexp->device): Support nfs-root "device" strings. Signed-off-by: Danny Milosavljevic <dannym@scratchpost.org> Stefan 2020-06-08hurd-boot: Further cleanup of "rc"....* gnu/packages/hurd.scm (hurd-rc-script): Move implementation to ... * gnu/build/hurd-boot.scm (boot-hurd-system): ...here, new file. * gnu/build/linux-boot.scm (make-hurd-device-nodes): Move there likewise. * gnu/local.mk (GNU_SYSTEM_MODULES): Add it. Jan (janneke) Nieuwenhuizen 2020-06-08linux-boot: Update 'make-hurd-device-nodes'....* gnu/build/linux-boot.scm (make-hurd-device-nodes): Avoid de-duplication of device mount points; also create mount points for /servers/. Jan (janneke) Nieuwenhuizen 2020-05-20linux-boot: Refactor boot-system....The --root option can now be omitted, and inferred from the root file system declaration instead. * gnu/build/file-systems.scm (canonicalize-device-spec): Extend to support NFS directly, and... * gnu/build/linux-boot.scm (boot-system): ...remove NFS special casing from here. Remove nested definitions for root-fs-type, root-fs-flags and root-fs-options, and bind those inside the let* instead. Make "--root" take precedence over the device field string representation of the root file system. * doc/guix.texi (Initial RAM Disk): Document that "--root" can be left unspecified. Maxim Cournoyer 2020-05-02Merge branch 'master' into core-updatesMarius Bakke 2020-05-02linux-boot: Allow the root file system to be mounted via NFS....* gnu/build/linux-boot.scm (boot-system) Treat a root option with ":/" as an nfs source and avoid to call 'canonicalize-device-spec' for it. Signed-off-by: Ludovic Courtès <ludo@gnu.org> Stefan 2020-04-11linux-boot: Add 'make-hurd-device-nodes'....* gnu/build/linux-boot.scm (make-hurd-device-nodes): New procedure. Ludovic Courtès 2020-04-11linux-boot: 'make-essential-device-nodes' root parameter is optional....* gnu/build/linux-boot.scm (make-essential-device-nodes): Change 'root' to an optional parameter. * gnu/build/vm.scm (root-partition-initializer): Adjust accordingly. Ludovic Courtès