system: File system sources can be marked as labels or devices.
* gnu/system/file-systems.scm (<file-system>)[title]: New field. * gnu/services/base.scm (file-system-service): Add #:title parameter. In 'start' gexp, use 'canonicalize-device-spec' and honor TITLE. * gnu/system.scm (other-file-system-services, operating-system-root-file-system, operating-system-initrd-file): Adjust accordingly. * gnu/system/linux-initrd.scm (file-system->spec): Likewise. * gnu/system/vm.scm (system-disk-image): Add 'title' field for the root file system. * guix/build/linux-initrd.scm (mount-file-system): Expect the second element of SPEC to be the title. (boot-system)[root-mount-point?, root-fs-type]: Likewise. * gnu/services/dmd.scm (dmd-configuration-file): Select 'canonicalize-device-spec'.
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@ -89,9 +89,11 @@ This service must be the root of the service dependency graph so that its
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(respawn? #f)))))
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(define* (file-system-service device target type
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#:key (check? #t) options)
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#:key (check? #t) options (title 'any))
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"Return a service that mounts DEVICE on TARGET as a file system TYPE with
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OPTIONS. When CHECK? is true, check the file system before mounting it."
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OPTIONS. TITLE is a symbol specifying what kind of name DEVICE is: 'label for
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a partition label, 'device for a device file name, or 'any. When CHECK? is
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true, check the file system before mounting it."
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(with-monad %store-monad
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(return
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(service
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@ -99,10 +101,11 @@ OPTIONS. When CHECK? is true, check the file system before mounting it."
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(requirement '(root-file-system))
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(documentation "Check, mount, and unmount the given file system.")
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(start #~(lambda args
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#$(if check?
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#~(check-file-system #$device #$type)
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#~#t)
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(mount #$device #$target #$type 0 #$options)
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(let ((device (canonicalize-device-spec #$device '#$title)))
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#$(if check?
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#~(check-file-system device #$type)
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#~#t)
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(mount device #$target #$type 0 #$options))
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#t))
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(stop #~(lambda args
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;; Normally there are no processes left at this point, so
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@ -50,7 +50,7 @@
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(use-modules (ice-9 ftw)
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(guix build syscalls)
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((guix build linux-initrd)
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#:select (check-file-system)))
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#:select (check-file-system canonicalize-device-spec)))
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(register-services
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#$@(map (lambda (service)
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@ -182,8 +182,10 @@ as 'needed-for-boot'."
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(sequence %store-monad
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(map (match-lambda
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(($ <file-system> device target type flags opts #f check?)
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(($ <file-system> device title target type flags opts
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#f check?)
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(file-system-service device target type
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#:title title
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#:check? check?
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#:options opts)))
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file-systems)))
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@ -449,7 +451,7 @@ we're running in the final root."
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(define (operating-system-root-file-system os)
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"Return the root file system of OS."
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(find (match-lambda
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(($ <file-system> _ "/") #t)
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(($ <file-system> _ _ "/") #t)
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(_ #f))
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(operating-system-file-systems os)))
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@ -457,9 +459,10 @@ we're running in the final root."
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"Return a gexp denoting the initrd file of OS."
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(define boot-file-systems
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(filter (match-lambda
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(($ <file-system> device "/")
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(($ <file-system> device title "/")
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#t)
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(($ <file-system> device mount-point type flags options boot?)
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(($ <file-system> device title mount-point type flags
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options boot?)
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boot?))
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(operating-system-file-systems os)))
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@ -22,6 +22,7 @@
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file-system
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file-system?
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file-system-device
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file-system-title
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file-system-mount-point
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file-system-type
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file-system-needed-for-boot?
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@ -42,6 +43,8 @@
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make-file-system
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file-system?
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(device file-system-device) ; string
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(title file-system-title ; 'device | 'label | 'uuid
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(default 'device))
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(mount-point file-system-mount-point) ; string
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(type file-system-type) ; string
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(flags file-system-flags ; list of symbols
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@ -198,8 +198,8 @@ a list of Guile module names to be embedded in the initrd."
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"Return a list corresponding to file-system FS that can be passed to the
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initrd code."
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(match fs
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(($ <file-system> device mount-point type flags options _ check?)
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(list device mount-point type flags options check?))))
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(($ <file-system> device title mount-point type flags options _ check?)
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(list device title mount-point type flags options check?))))
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(define* (qemu-initrd file-systems
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#:key
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@ -290,6 +290,7 @@ to USB sticks meant to be read-only."
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(file-systems (cons (file-system
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(mount-point "/")
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(device root-label)
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(title 'label)
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(type file-system-type))
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file-systems-to-keep)))))
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@ -37,6 +37,7 @@
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disk-partitions
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partition-label-predicate
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find-partition-by-label
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canonicalize-device-spec
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check-file-system
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mount-file-system
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@ -485,7 +486,7 @@ UNIONFS."
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"Mount the file system described by SPEC under ROOT. SPEC must have the
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form:
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(DEVICE MOUNT-POINT TYPE (FLAGS ...) OPTIONS CHECK?)
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(DEVICE TITLE MOUNT-POINT TYPE (FLAGS ...) OPTIONS CHECK?)
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DEVICE, MOUNT-POINT, and TYPE must be strings; OPTIONS can be a string or #f;
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FLAGS must be a list of symbols. CHECK? is a Boolean indicating whether to
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@ -500,8 +501,8 @@ run a file system check."
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0)))
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(match spec
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((source mount-point type (flags ...) options check?)
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(let ((source (canonicalize-device-spec source))
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((source title mount-point type (flags ...) options check?)
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(let ((source (canonicalize-device-spec source title))
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(mount-point (string-append root "/" mount-point)))
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(when check?
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(check-file-system source type))
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@ -596,12 +597,12 @@ to it are lost."
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(define root-mount-point?
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(match-lambda
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((device "/" _ ...) #t)
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((device _ "/" _ ...) #t)
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(_ #f)))
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(define root-fs-type
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(or (any (match-lambda
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((device "/" type _ ...) type)
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((device _ "/" type _ ...) type)
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(_ #f))
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mounts)
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"ext4"))
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