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linux-initrd: raw-initrd: Add keyword argument #:pre-mount.

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* gnu/system/linux-initrd.scm (raw-initrd): Add keyword argument #:pre-mount.
Document it.
* doc/guix.texi (initial RAM disk): Likewise.

Signed-off-by: Ludovic Courtès <ludo@gnu.org>
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Hilton Chain 2022-11-12 21:59:26 +08:00 committed by Ludovic Courtès
parent 383b0f0590
commit a6da50d60a
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2 changed files with 10 additions and 5 deletions
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8
doc/guix.texi
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@ -37869,15 +37869,17 @@ here is how to use it and customize it further.
@cindex initrd
@cindex initial RAM disk
@deffn {Scheme Procedure} raw-initrd @var{file-systems} @
[#:linux-modules '()] [#:mapped-devices '()] @
[#:keyboard-layout #f] @
[#:helper-packages '()] [#:qemu-networking? #f] [#:volatile-root? #f]
[#:linux-modules '()] [#:pre-mount #t] [#:mapped-devices '()] @
[#:keyboard-layout #f] [#:helper-packages '()] @
[#:qemu-networking? #f] [#:volatile-root? #f]
Return a derivation that builds a raw initrd. @var{file-systems} is
a list of file systems to be mounted by the initrd, possibly in addition to
the root file system specified on the kernel command line via @option{root}.
@var{linux-modules} is a list of kernel modules to be loaded at boot time.
@var{mapped-devices} is a list of device mappings to realize before
@var{file-systems} are mounted (@pxref{Mapped Devices}).
@var{pre-mount} is a G-expression to evaluate before realizing
@var{mapped-devices}.
@var{helper-packages} is a list of packages to be copied in the initrd.
It may
include @code{e2fsck/static} or other packages needed by the initrd to check

7
gnu/system/linux-initrd.scm
View file

@ -172,6 +172,7 @@ (define* (raw-initrd file-systems
#:key
(linux linux-libre)
(linux-modules '())
(pre-mount #t)
(mapped-devices '())
(keyboard-layout #f)
(helper-packages '())
@ -183,7 +184,8 @@ (define* (raw-initrd file-systems
mounted by the initrd, possibly in addition to the root file system specified
on the kernel command line via 'root'. LINUX-MODULES is a list of kernel
modules to be loaded at boot time. MAPPED-DEVICES is a list of device
mappings to realize before FILE-SYSTEMS are mounted.
mappings to realize before FILE-SYSTEMS are mounted. PRE-MOUNT is a
G-expression to evaluate before realizing MAPPED-DEVICES.
HELPER-PACKAGES is a list of packages to be copied in the initrd. It may include
e2fsck/static or other packages needed by the initrd to check root partition.
@ -255,7 +257,8 @@ (define kodir
(map spec->file-system
'#$(map file-system->spec file-systems))
#:pre-mount (lambda ()
(and #$@device-mapping-commands
(and #$pre-mount
#$@device-mapping-commands
#$@file-system-scan-commands))
#:linux-modules '#$linux-modules
#:linux-module-directory '#$kodir