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bootloader: Use menu-entry to define custom bootloader entries.
* gnu/bootloader.scm (<menu-entry>): New variable. Export associated getters, This record is extracted from grub module. * gnu/bootloader/extlinux.scm (extlinux-configuration-file): Use menu-entry->boot-parameters to convert menu-entry records to boot-parameters. * gnu/bootloader/grub.scm (<menu-entry>): Remove. (boot-parameters->menu-entry): Remove. (grub-configuration-file): Use boot-parameters to create configuration entries. * gnu/system.scm (menu-entry->boot-parameters): New exported procedure.
This commit is contained in:
Mathieu Othacehe
parent
45f523d9f0
commit
8b22107e5d
4 changed files with 70 additions and 48 deletions
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@ -23,7 +23,15 @@ (define-module (gnu bootloader)
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#:use-module (guix records)
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#:use-module (guix ui)
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#:use-module (srfi srfi-1)
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#:export (bootloader
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#:export (menu-entry
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menu-entry?
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menu-entry-label
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menu-entry-device
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menu-entry-linux
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menu-entry-linux-arguments
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menu-entry-initrd
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bootloader
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bootloader?
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bootloader-name
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bootloader-package
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@ -48,6 +56,22 @@ (define-module (gnu bootloader)
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%bootloaders
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lookup-bootloader-by-name))
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;;;
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;;; Menu-entry record.
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;;;
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(define-record-type* <menu-entry>
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menu-entry make-menu-entry
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menu-entry?
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(label menu-entry-label)
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(device menu-entry-device ; file system uuid, label, or #f
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(default #f))
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(linux menu-entry-linux)
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(linux-arguments menu-entry-linux-arguments
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(default '())) ; list of string-valued gexps
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(initrd menu-entry-initrd)) ; file name of the initrd as a gexp
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;;;
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;;; Bootloader record.
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@ -37,7 +37,8 @@ (define* (extlinux-configuration-file config entries
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corresponding to old generations of the system."
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(define all-entries
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(append entries (bootloader-configuration-menu-entries config)))
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(append entries (map menu-entry->boot-parameters
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(bootloader-configuration-menu-entries config))))
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(define (boot-parameters->gexp params)
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(let ((label (boot-parameters-label params))
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@ -66,12 +66,15 @@ (define-module (gnu bootloader grub)
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(define (strip-mount-point mount-point file)
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"Strip MOUNT-POINT from FILE, which is a gexp or other lowerable object
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denoting a file name."
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(if (string=? mount-point "/")
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file
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#~(let ((file #$file))
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(if (string-prefix? #$mount-point file)
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(substring #$file #$(string-length mount-point))
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file))))
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(match mount-point
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((? string? mount-point)
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(if (string=? mount-point "/")
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file
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#~(let ((file #$file))
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(if (string-prefix? #$mount-point file)
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(substring #$file #$(string-length mount-point))
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file))))
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(#f file)))
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(define-record-type* <grub-image>
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grub-image make-grub-image
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@ -103,19 +106,6 @@ (define %default-theme
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(color-highlight '((fg . yellow) (bg . black)))
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(color-normal '((fg . light-gray) (bg . black))))) ;XXX: #x303030
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(define-record-type* <menu-entry>
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menu-entry make-menu-entry
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menu-entry?
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(label menu-entry-label)
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(device menu-entry-device ; file system uuid, label, or #f
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(default #f))
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(device-mount-point menu-entry-device-mount-point
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(default "/"))
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(linux menu-entry-linux)
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(linux-arguments menu-entry-linux-arguments
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(default '())) ; list of string-valued gexps
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(initrd menu-entry-initrd)) ; file name of the initrd as a gexp
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;;;
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;;; Background image & themes.
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@ -312,16 +302,6 @@ (define (grub-root-search device file)
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(#f
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#~(format #f "search --file --set ~a" #$file)))))
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(define (boot-parameters->menu-entry conf)
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"Convert a <boot-parameters> instance to a corresponding <menu-entry>."
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(menu-entry
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(label (boot-parameters-label conf))
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(device (boot-parameters-store-device conf))
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(device-mount-point (boot-parameters-store-mount-point conf))
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(linux (boot-parameters-kernel conf))
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(linux-arguments (boot-parameters-kernel-arguments conf))
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(initrd (boot-parameters-initrd conf))))
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(define* (grub-configuration-file config entries
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#:key
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(system (%current-system))
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@ -331,33 +311,36 @@ (define* (grub-configuration-file config entries
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STORE-FS, a <file-system> object. OLD-ENTRIES is taken to be a list of menu
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entries corresponding to old generations of the system."
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(define all-entries
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(map boot-parameters->menu-entry
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(append entries
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(bootloader-configuration-menu-entries config))))
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(append entries (map menu-entry->boot-parameters
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(bootloader-configuration-menu-entries config))))
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(define entry->gexp
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(match-lambda
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(($ <menu-entry> label device device-mount-point
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linux arguments initrd)
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(define (boot-parameters->gexp params)
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(let ((device (boot-parameters-store-device params))
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(device-mount-point (boot-parameters-store-mount-point params))
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(label (boot-parameters-label params))
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(kernel (boot-parameters-kernel params))
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(arguments (boot-parameters-kernel-arguments params))
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(initrd (boot-parameters-initrd params)))
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;; Here DEVICE is the store and DEVICE-MOUNT-POINT is its mount point.
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;; Use the right file names for LINUX and INITRD in case
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;; Use the right file names for KERNEL and INITRD in case
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;; DEVICE-MOUNT-POINT is not "/", meaning that the store is on a
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;; separate partition.
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(let ((linux (strip-mount-point device-mount-point linux))
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(initrd (strip-mount-point device-mount-point initrd)))
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(let ((kernel (strip-mount-point device-mount-point kernel))
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(initrd (strip-mount-point device-mount-point initrd)))
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#~(format port "menuentry ~s {
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~a
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linux ~a ~a
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initrd ~a
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}~%"
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#$label
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#$(grub-root-search device linux)
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#$linux (string-join (list #$@arguments))
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#$initrd)))))
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#$(grub-root-search device kernel)
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#$kernel (string-join (list #$@arguments))
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#$initrd))))
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(mlet %store-monad ((sugar (eye-candy config
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(menu-entry-device (first all-entries))
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(menu-entry-device-mount-point
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(boot-parameters-store-device
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(first all-entries))
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(boot-parameters-store-mount-point
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(first all-entries))
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#:system system
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#:port #~port)))
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@ -374,12 +357,12 @@ (define builder
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set timeout=~a~%"
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#$(bootloader-configuration-default-entry config)
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#$(bootloader-configuration-timeout config))
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#$@(map entry->gexp all-entries)
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#$@(map boot-parameters->gexp all-entries)
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#$@(if (pair? old-entries)
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#~((format port "
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submenu \"GNU system, old configurations...\" {~%")
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#$@(map entry->gexp (map boot-parameters->menu-entry old-entries))
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#$@(map boot-parameters->gexp old-entries)
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(format port "}~%"))
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#~()))))
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@ -112,6 +112,7 @@ (define-module (gnu system)
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boot-parameters-initrd
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read-boot-parameters
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read-boot-parameters-file
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menu-entry->boot-parameters
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local-host-aliases
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%setuid-programs
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@ -299,6 +300,19 @@ (define (read-boot-parameters-file system)
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system
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root-device)))
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#f)))
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(define (menu-entry->boot-parameters menu-entry)
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"Convert a <menu-entry> instance to a corresponding <boot-parameters>."
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(boot-parameters
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(label (menu-entry-label menu-entry))
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(root-device #f)
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(boot-name 'custom)
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(store-device #f)
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(store-mount-point #f)
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(kernel (menu-entry-linux menu-entry))
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(kernel-arguments (menu-entry-linux-arguments menu-entry))
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(initrd (menu-entry-initrd menu-entry))))
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;;;
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;;; Services.
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