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n-exit-action))) (car result))) (define (draw-formatting-page partitions) "Draw a page asking for confirmation, and then indicating that partitions are being formatted." ;; TRANSLATORS: The ~{ and ~} format specifiers are used to iterate the list ;; of device names of the user partitions that will be formatted. (run-confirmation-page (format #f (G_ "We are about to write the configured \ partition table to the disk and format the partitions listed below. Their \ data will be lost. Do you wish to continue?~%~%~{ - ~a~%~}") (map user-partition-file-name (filter user-partition-need-formatting? partitions))) (G_ "Format disk?") #:exit-button-procedure button-exit-action) (draw-info-page (format #f (G_ "Partition formatting is in progress, please wait.")) (G_ "Preparing partitions"))) (define (run-device-page devices) "Run a page asking the user to select a device among those in the given DEVICES list." (define (device-items) (map (lambda (device) `(,device . ,(device-description device))) devices)) (let* ((result (run-listbox-selection-page #:info-text (G_ "Please select a \ disk. The installation device as well as the small devices are filtered.") #:title (G_ "Disk") #:listbox-items (device-items) #:listbox-item->text cdr #:listbox-height 10 #:button-text (G_ "Exit") #:button-callback-procedure button-exit-action)) (device (car result))) device)) (define (run-label-confirmation-page callback) (lambda (item) (match (current-clients) (() (and (run-confirmation-page (format #f (G_ "This will create a new ~a partition table, \ all data on disk will be lost, are you sure you want to proceed?") item) (G_ "Format disk?") #:exit-button-procedure callback) item)) (_ item)))) (define (run-label-page button-text button-callback) "Run a page asking the user to select a partition table label." ;; Force the GPT label if UEFI is supported. (if (efi-installation?) ((run-label-confirmation-page button-callback) "gpt") (run-listbox-selection-page #:info-text (G_ "Select a new partition table type. \ Be careful, all data on the disk will be lost.") #:title (G_ "Partition table") #:listbox-items '("msdos" "gpt") #:listbox-item->text identity #:listbox-callback-procedure (run-label-confirmation-page button-callback) #:button-text button-text #:button-callback-procedure button-callback))) (define (run-type-page partition) "Run a page asking the user to select a partition type." (let* ((disk (partition-disk partition)) (partitions (disk-partitions disk)) (other-extended-partitions? (any extended-partition? partitions)) (items `(normal ,@(if other-extended-partitions? '() '(extended))))) (run-listbox-selection-page #:info-text (G_ "Please select a partition type.") #:title (G_ "Partition type") #:listbox-items items #:listbox-item->text symbol->string #:sort-listbox-items? #f #:button-text (G_ "Exit") #:button-callback-procedure button-exit-action))) (define (run-fs-type-page) "Run a page asking the user to select a file-system type." (run-listbox-selection-page #:info-text (G_ "Please select the file-system type for this partition.") #:title (G_ "File-system type") #:listbox-items '(btrfs ext4 jfs xfs swap ;; These lack basic Unix features. Their only use ;; on GNU is for interoperation, e.g., with UEFI. fat32 fat16 ntfs) #:listbox-item->text user-fs-type-name #:sort-listbox-items? #f #:button-text (G_ "Exit") #:button-callback-procedure button-exit-action)) (define (inform-can-create-partition? user-partition) "Return #t if it is possible to create USER-PARTITION. This is determined by calling CAN-CREATE-PARTITION? procedure. If an exception is raised, catch it an inform the user with an appropriate error-page and return #f." (guard (c ((max-primary-exceeded? c) (run-error-page (G_ "Primary partitions count exceeded.") (G_ "Creation error")) #f) ((extended-creation-error? c) (run-error-page (G_ "Extended partition creation error.") (G_ "Creation error")) #f) ((logical-creation-error? c) (run-error-page (G_ "Logical partition creation error.") (G_ "Creation error")) #f)) (can-create-partition? user-partition))) (define (prompt-luks-passwords user-partitions) "Prompt for the luks passwords of the encrypted partitions in USER-PARTITIONS list. Return this list with password fields filled-in." (map (lambda (user-part) (let* ((crypt-label (user-partition-crypt-label user-part)) (file-name (user-partition-file-name user-part)) (password-page (lambda () (run-input-page (format #f (G_ "Please enter the password for the \ encryption of partition ~a (label: ~a).") file-name crypt-label) (G_ "Password required") #:input-visibility-checkbox? #t))) (password-confirm-page (lambda () (run-input-page (format #f (G_ "Please confirm the password for the \ encryption of partition ~a (label: ~a).") file-name crypt-label) (G_ "Password confirmation required") #:input-visibility-checkbox? #t)))) (if crypt-label (let loop () (let ((password (password-page)) (confirmation (password-confirm-page))) (if (string=? password confirmation) (user-partition (inherit user-part) (crypt-password (make-secret password))) (begin (run-error-page (G_ "Password mismatch, please try again.") (G_ "Password error")) (loop))))) user-part))) user-partitions)) (define* (run-partition-page target-user-partition #:key (default-item #f)) "Run a page allowing the user to edit the given TARGET-USER-PARTITION record. If the argument DEFAULT-ITEM is passed, use it to select the current listbox item. This is used to avoid the focus to switch back to the first listbox entry while calling this procedure recursively." (define (numeric-size device size) "Parse the given SIZE on DEVICE and return it." (call-with-values (lambda () (unit-parse size device)) (lambda (value range) value))) (define (numeric-size-range device size) "Parse the given SIZE on DEVICE and return the associated RANGE." (call-with-values (lambda () (unit-parse size device)) (lambda (value range) range))) (define* (fill-user-partition-geom user-part #:key device (size #f) start end) "Return the given USER-PART with the START, END and SIZE fields set to the eponym arguments. Use UNIT-FORMAT-CUSTOM to format START and END arguments as sectors on DEVICE." (user-partition (inherit user-part) (size size) (start (unit-format-custom device start UNIT-SECTOR)) (end (unit-format-custom device end UNIT-SECTOR)))) (define (apply-user-partition-changes user-part) "Set the name, file-system type and boot flag on the partition specified by USER-PART, if it is applicable for the partition type." (let* ((partition (user-partition-parted-object user-part)) (disk (partition-disk partition)) (disk-type (disk-disk-type disk)) (device (disk-device disk)) (has-name? (disk-type-check-feature disk-type DISK-TYPE-FEATURE-PARTITION-NAME)) (name (user-partition-name user-part)) (fs-type (filesystem-type-get (user-fs-type-name (user-partition-fs-type user-part)))) (bootable? (user-partition-bootable? user-part)) (esp? (user-partition-esp? user-part)) (flag-bootable? (partition-is-flag-available? partition PARTITION-FLAG-BOOT)) (flag-esp? (partition-is-flag-available? partition PARTITION-FLAG-ESP))) (when (and has-name? name) (partition-set-name partition name)) (partition-set-system partition fs-type) (when flag-bootable? (partition-set-flag partition PARTITION-FLAG-BOOT (if bootable? 1 0))) (when flag-esp? (partition-set-flag partition PARTITION-FLAG-ESP (if esp? 1 0))) #t)) (define (listbox-action listbox-item) (let* ((item (car listbox-item)) (partition (user-partition-parted-object target-user-partition)) (disk (partition-disk partition)) (device (disk-device disk))) (list item (case item ((name) (let* ((old-name (user-partition-name target-user-partition)) (name (run-input-page (G_ "Please enter the partition gpt name.") (G_ "Partition name") #:default-text old-name))) (user-partition (inherit target-user-partition) (name name)))) ((type) (let ((new-type (run-type-page partition))) (user-partition (inherit target-user-partition) (type new-type)))) ((bootable) (user-partition (inherit target-user-partition) (bootable? (not (user-partition-bootable? target-user-partition))))) ((esp?) (let ((new-esp? (not (user-partition-esp? target-user-partition)))) (user-partition (inherit target-user-partition) (esp? new-esp?) (mount-point (if new-esp? (default-esp-mount-point) ""))))) ((crypt-label) (let* ((label (user-partition-crypt-label target-user-partition)) (new-label (and (not label) (run-input-page (G_ "Please enter the encrypted label") (G_ "Encryption label"))))) (user-partition (inherit target-user-partition) (need-formatting? #t) (crypt-label new-label)))) ((need-formatting?) (user-partition (inherit target-user-partition) (need-formatting? (not (user-partition-need-formatting? target-user-partition))))) ((size) (let* ((old-size (user-partition-size target-user-partition)) (max-size-value (partition-length partition)) (max-size (unit-format device max-size-value)) (start (partition-start partition)) (size (run-input-page (format #f (G_ "Please enter the size of the partition.\ The maximum size is ~a.") max-size) (G_ "Partition size") #:default-text (or old-size max-size))) (size-percentage (read-percentage size)) (size-value (if size-percentage (nearest-exact-integer (/ (* max-size-value size-percentage) 100)) (numeric-size device size))) (end (and size-value (+ start size-value))) (size-range (numeric-size-range device size)) (size-range-ok? (and size-range (< (+ start (geometry-start size-range)) (partition-end partition))))) (cond ((and size-percentage (> size-percentage 100)) (run-error-page (G_ "The percentage can not be superior to 100.") (G_ "Size error")) target-user-partition) ((not size-value) (run-error-page (G_ "The requested size is incorrectly formatted, or too large.") (G_ "Size error")) target-user-partition) ((not (or size-percentage size-range-ok?)) (run-error-page (G_ "The request size is superior to the maximum size.") (G_ "Size error")) target-user-partition) (else (fill-user-partition-geom target-user-partition #:device device #:size size #:start start #:end end))))) ((fs-type) (let ((fs-type (run-fs-type-page))) (user-partition (inherit target-user-partition) (fs-type fs-type)))) ((mount-point) (let* ((old-mount (or (user-partition-mount-point target-user-partition) "")) (mount (run-input-page (G_ "Please enter the desired mounting point for this \ partition. Leave this field empty if you don't want to set a mounting point.") (G_ "Mounting point") #:default-text old-mount #:allow-empty-input? #t))) (user-partition (inherit target-user-partition) (mount-point (and (not (string=? mount "")) mount))))))))) (define (button-action) (let* ((partition (user-partition-parted-object target-user-partition)) (prev-part (partition-prev partition)) (disk (partition-disk partition)) (device (disk-device disk)) (creation? (freespace-partition? partition)) (start (partition-start partition)) (end (partition-end partition)) (new-user-partition (if (user-partition-start target-user-partition) target-user-partition (fill-user-partition-geom target-user-partition #:device device #:start start #:end end)))) ;; It the backend PARTITION has free-space type, it means we are ;; creating a new partition, otherwise, we are editing an already ;; existing PARTITION. (if creation? (let* ((ok-create-partition? (inform-can-create-partition? new-user-partition)) (new-partition (and ok-create-partition? (mkpart disk new-user-partition #:previous-partition prev-part)))) (and new-partition (user-partition (inherit new-user-partition) (need-formatting? #t) (file-name (partition-get-path new-partition)) (disk-file-name (device-path device)) (parted-object new-partition)))) (and (apply-user-partition-changes new-user-partition) new-user-partition)))) (let* ((items (user-partition-description target-user-partition)) (partition (user-partition-parted-object target-user-partition)) (disk (partition-disk partition)) (device (disk-device disk)) (file-name (device-path device)) (number-str (partition-print-number partition)) (type (user-partition-type target-user-partition)) (type-str (symbol->string type)) (start (unit-format device (partition-start partition))) (creation? (freespace-partition? partition)) (default-item (and default-item (find (lambda (item) (eq? (car item) default-item)) items))) (result (run-listbox-selection-page #:info-text (if creation? (format #f (G_ "Creating ~a partition starting at ~a of ~a.") type-str start file-name) (format #f (G_ "You are currently editing partition ~a.") number-str)) #:title (if creation? (G_ "Partition creation") (G_ "Partition edit")) #:listbox-items items #:listbox-item->text cdr #:sort-listbox-items? #f #:listbox-default-item default-item #:button-text (G_ "OK") #:listbox-callback-procedure listbox-action #:button-callback-procedure button-action))) (match result ((item new-user-partition) (run-partition-page new-user-partition #:default-item item)) (else result)))) (define* (run-disk-page disks #:optional (user-partitions '()) #:key (guided? #f)) "Run a page allowing to edit the partition tables of the given DISKS. If specified, USER-PARTITIONS is a list of <user-partition> records associated to the partitions on DISKS." (define (other-logical-partitions? partitions) "Return #t if at least one of the partition in PARTITIONS list is a logical partition, return #f otherwise." (any logical-partition? partitions)) (define (other-non-logical-partitions? partitions) "Return #t is at least one of the partitions in PARTITIONS list is not a logical partition, return #f otherwise." (let ((non-logical-partitions (remove logical-partition? partitions))) (or (any normal-partition? non-logical-partitions) (any freespace-partition? non-logical-partitions)))) (define (add-tree-symbols partitions descriptions) "Concatenate tree symbols to the given DESCRIPTIONS list and return it. The PARTITIONS list is the list of partitions described in DESCRIPTIONS. The tree symbols are used to indicate the partition's disk and for logical partitions, the extended partition which includes them." (match descriptions (() '()) ((description . rest-descriptions) (match partitions ((partition . rest-partitions) (if (null? rest-descriptions) (list (if (logical-partition? partition) (string-append " ┗━ " description) (string-append "┗━ " description))) (cons (cond ((extended-partition? partition) (if (other-non-logical-partitions? rest-partitions) (string-append "┣┳ " description) (string-append "┗┳ " description))) ((logical-partition? partition) (if (other-logical-partitions? rest-partitions) (if (other-non-logical-partitions? rest-partitions) (string-append "┃┣━ " description) (string-append " ┣━ " description)) (if (other-non-logical-partitions? rest-partitions) (string-append "┃┗━ " description) (string-append " ┗━ " description)))) (else (string-append "┣━ " description))) (add-tree-symbols rest-partitions rest-descriptions)))))))) (define (skip-item? item) (eq? (car item) 'skip)) (define (disk-items) "Return the list of strings describing DISKS." (let loop ((disks disks)) (match disks (() '()) ((disk . rest) (let* ((device (disk-device disk)) (partitions (disk-partitions disk)) (partitions* (filter-map (lambda (partition) (and (not (metadata-partition? partition)) (not (small-freespace-partition? device partition)) partition)) partitions)) (descriptions (add-tree-symbols partitions* (partitions-descriptions partitions* user-partitions))) (partition-items (map cons partitions* descriptions))) (append `((,disk . ,(device-description device disk)) ,@partition-items ,@(if (null? rest) '() '((skip . "")))) (loop rest))))))) (define (remove-user-partition-by-partition user-partitions partition) "Return the USER-PARTITIONS list with the record with the given PARTITION object removed. If PARTITION is an extended partition, also remove all logical partitions from USER-PARTITIONS." (remove (lambda (p) (let ((cur-partition (user-partition-parted-object p))) (or (equal? cur-partition partition) (and (extended-partition? partition) (logical-partition? cur-partition))))) user-partitions)) (define (remove-user-partition-by-disk user-partitions disk) "Return the USER-PARTITIONS list with the <user-partition> records located on given DISK removed." (remove (lambda (p) (let* ((partition (user-partition-parted-object p)) (cur-disk (partition-disk partition))) (equal? cur-disk disk))) user-partitions)) (define (update-user-partitions user-partitions new-user-partition) "Update or insert NEW-USER-PARTITION record in USER-PARTITIONS list depending if one of the <user-partition> record in USER-PARTITIONS has the same PARTITION object as NEW-USER-PARTITION." (let* ((partition (user-partition-parted-object new-user-partition)) (user-partitions* (remove-user-partition-by-partition user-partitions partition))) (cons new-user-partition user-partitions*))) (define (button-ok-action) "Commit the modifications to all DISKS and return #t." (for-each (lambda (disk) (disk-commit disk)) disks) #t) (define (listbox-action listbox-item) "A disk or a partition has been selected. If it's a disk, ask for a label to create a new partition table. If it is a partition, propose the user to edit it." (let ((item (car listbox-item))) (cond ((disk? item) (let ((label (run-label-page (G_ "Back") (const #f)))) (if label (let* ((device (disk-device item)) (new-disk (mklabel device label)) (commit-new-disk (disk-commit new-disk)) (other-disks (remove (lambda (disk) (equal? disk item)) disks)) (new-user-partitions (remove-user-partition-by-disk user-partitions item))) `((disks . ,(cons new-disk other-disks)) (user-partitions . ,new-user-partitions))) `((disks . ,disks) (user-partitions . ,user-partitions))))) ((partition? item) (let* ((partition item) (disk (partition-disk partition)) (device (disk-device disk)) (existing-user-partition (find-user-partition-by-parted-object user-partitions partition)) (edit-user-partition (or existing-user-partition (partition->user-partition partition)))) `((disks . ,disks) (user-partitions . ,user-partitions) (edit-user-partition . ,edit-user-partition))))))) (define (hotkey-action key listbox-item) "The DELETE key has been pressed on a disk or a partition item." (let ((item (car listbox-item)) (default-result `((disks . ,disks) (user-partitions . ,user-partitions)))) (cond ((disk? item) (let* ((device (disk-device item)) (file-name (device-path device)) (info-text (format #f (G_ "Are you sure you want to delete everything on disk ~a?") file-name)) (result (choice-window (G_ "Delete disk") (G_ "OK") (G_ "Exit") info-text))) (case result ((1) (disk-remove-all-partitions item) `((disks . ,disks) (user-partitions . ,(remove-user-partition-by-disk user-partitions item)))) (else default-result)))) ((partition? item) (if (freespace-partition? item) (begin (run-error-page (G_ "You cannot delete a free space area.") (G_ "Delete partition")) default-result) (let* ((disk (partition-disk item)) (number-str (partition-print-number item)) (info-text (format #f (G_ "Are you sure you want to delete partition ~a?") number-str)) (result (choice-window (G_ "Delete partition") (G_ "OK") (G_ "Exit") info-text))) (case result ((1) (let ((new-user-partitions (remove-user-partition-by-partition user-partitions item))) (disk-remove-partition* disk item) `((disks . ,disks) (user-partitions . ,new-user-partitions)))) (else default-result)))))))) (let* ((info-text (G_ "You can change a disk's partition table by \ selecting it and pressing ENTER. You can also edit a partition by selecting it \ and pressing ENTER, or remove it by pressing DELETE. To create a new \ partition, select a free space area and press ENTER. At least one partition must have its mounting point set to '/'.")) (guided-info-text (format #f (G_ "This is the proposed \ partitioning. It is still possible to edit it or to go back to install menu \ by pressing the Exit button.~%~%"))) (result (run-listbox-selection-page #:info-text (if guided? (string-append guided-info-text info-text) info-text) #:title (if guided? (G_ "Guided partitioning") (G_ "Manual partitioning")) #:info-textbox-width 76 ;we need a lot of room for INFO-TEXT #:listbox-height (max 5 (- (screen-rows) 30)) #:listbox-items (disk-items) #:listbox-item->text cdr #:sort-listbox-items? #f #:skip-item-procedure? skip-item? #:allow-delete? #t #:button-text (G_ "OK") #:button-callback-procedure button-ok-action ;; Consider client replies equivalent to hitting the "OK" button. ;; XXX: In practice this means that clients cannot do anything but ;; approve the predefined list of partitions. #:client-callback-procedure (lambda (_) (button-ok-action)) #:button2-text (G_ "Exit") #:button2-callback-procedure button-exit-action #:listbox-callback-procedure listbox-action #:hotkey-callback-procedure hotkey-action))) (if (eq? result #t) (let ((user-partitions-ok? (guard (c ((no-root-mount-point? c) (run-error-page (G_ "No root mount point found.") (G_ "Missing mount point")) #f) ((cannot-read-uuid? c) (run-error-page (format #f (G_ "Cannot read the ~a partition UUID.\ You may need to format it.") (cannot-read-uuid-partition c)) (G_ "Wrong partition format")) #f)) (check-user-partitions user-partitions)))) (if user-partitions-ok? user-partitions (run-disk-page disks user-partitions #:guided? guided?))) (let* ((result-disks (assoc-ref result 'disks)) (result-user-partitions (assoc-ref result 'user-partitions)) (edit-user-partition (assoc-ref result 'edit-user-partition)) (can-create-partition? (and edit-user-partition (inform-can-create-partition? edit-user-partition))) (new-user-partition (and edit-user-partition can-create-partition? (run-partition-page edit-user-partition))) (new-user-partitions (if new-user-partition (update-user-partitions result-user-partitions new-user-partition) result-user-partitions))) (run-disk-page result-disks new-user-partitions #:guided? guided?))))) (define (run-partitioning-page) "Run a page asking the user for a partitioning method." (define (run-page devices) (let* ((items `((entire . ,(G_ "Guided - using the entire disk")) (entire-encrypted . ,(G_ "Guided - using the entire disk with encryption")) (manual . ,(G_ "Manual")))) (result (run-listbox-selection-page #:info-text (G_ "Please select a partitioning method.") #:title (G_ "Partitioning method") #:listbox-height (+ (length items) 2) #:listbox-items items #:listbox-item->text cdr #:sort-listbox-items? #f #:button-text (G_ "Exit") #:button-callback-procedure button-exit-action)) (method (car result))) (cond ((or (eq? method 'entire) (eq? method 'entire-encrypted)) (let* ((device (run-device-page devices)) (disk-type (disk-probe device)) (disk (if disk-type (disk-new device) (let* ((label (run-label-page (G_ "Exit") button-exit-action)) (disk (mklabel device label))) (disk-commit disk) disk))) (scheme (symbol-append method '- (run-scheme-page))) (user-partitions (auto-partition! disk #:scheme scheme))) (run-disk-page (list disk) user-partitions #:guided? #t))) ((eq? method 'manual) (let* ((disks (filter-map disk-new devices)) (user-partitions (append-map create-special-user-partitions (map disk-partitions disks))) (result-user-partitions (run-disk-page disks user-partitions))) result-user-partitions))))) (init-parted) (let* ((eligible-devices (eligible-devices)) (user-partitions (run-page eligible-devices)) (user-partitions-with-pass (prompt-luks-passwords user-partitions)) (form (draw-formatting-page user-partitions-with-pass))) ;; Make sure the disks are not in use before proceeding to formatting. (free-parted eligible-devices) (format-user-partitions user-partitions-with-pass) (installer-log-line "formatted ~a user partitions" (length user-partitions-with-pass)) (installer-log-line "user-partitions: ~a" user-partitions-with-pass) (destroy-form-and-pop form) user-partitions-with-pass))