(define-module (gnu bootloader)
#:use-module (guix discovery)
+ #:use-module (guix gexp)
+ #:use-module (guix profiles)
#:use-module (guix records)
#:use-module (guix ui)
#:use-module (srfi srfi-1)
bootloader-configuration-additional-configuration
%bootloaders
- lookup-bootloader-by-name))
+ lookup-bootloader-by-name
+
+ efi-bootloader-chain))
\f
;;;
(eq? name (bootloader-name bootloader)))
(force %bootloaders))
(leave (G_ "~a: no such bootloader~%") name)))
+
+(define (efi-bootloader-profile files bootloader-package hooks)
+ "Creates a profile with BOOTLOADER-PACKAGE and a directory collection/ with
+links to additional FILES from the store. This collection is meant to be used
+by the bootloader installer.
+
+FILES is a list of file or directory names from the store, which will be
+symlinked into the collection/ directory. If a directory name ends with '/',
+then the directory content instead of the directory itself will be symlinked
+into the collection/ directory.
+
+FILES may contain file like objects produced by functions like plain-file,
+local-file, etc., or package contents produced with file-append.
+
+HOOKS lists additional hook functions to modify the profile."
+ (define (bootloader-collection manifest)
+ (define build
+ (with-imported-modules '((guix build utils)
+ (ice-9 ftw)
+ (srfi srfi-1)
+ (srfi srfi-26))
+ #~(begin
+ (use-modules ((guix build utils)
+ #:select (mkdir-p strip-store-file-name))
+ ((ice-9 ftw)
+ #:select (scandir))
+ ((srfi srfi-1)
+ #:select (append-map every remove))
+ ((srfi srfi-26)
+ #:select (cut)))
+ (define (symlink-to file directory transform)
+ "Creates a symlink to FILE named (TRANSFORM FILE) in DIRECTORY."
+ (symlink file (string-append directory "/" (transform file))))
+ (define (directory-content directory)
+ "Creates a list of absolute path names inside DIRECTORY."
+ (map (lambda (name)
+ (string-append directory name))
+ (or (scandir directory (lambda (name)
+ (not (member name '("." "..")))))
+ '())))
+ (define name-ends-with-/? (cut string-suffix? "/" <>))
+ (define (name-is-store-entry? name)
+ "Return #t if NAME is a direct store entry and nothing inside."
+ (not (string-index (strip-store-file-name name) #\/)))
+ (let* ((collection (string-append #$output "/collection"))
+ (files '#$files)
+ (directories (filter name-ends-with-/? files))
+ (names-from-directories
+ (append-map (lambda (directory)
+ (directory-content directory))
+ directories))
+ (names (append names-from-directories
+ (remove name-ends-with-/? files))))
+ (mkdir-p collection)
+ (if (every file-exists? names)
+ (begin
+ (for-each (lambda (name)
+ (symlink-to name collection
+ (if (name-is-store-entry? name)
+ strip-store-file-name
+ basename)))
+ names)
+ #t)
+ #f)))))
+
+ (gexp->derivation "bootloader-collection"
+ build
+ #:local-build? #t
+ #:substitutable? #f
+ #:properties
+ `((type . profile-hook)
+ (hook . bootloader-collection))))
+
+ (profile (content (packages->manifest (list bootloader-package)))
+ (name "bootloader-profile")
+ (hooks (append (list bootloader-collection) hooks))
+ (locales? #f)
+ (allow-collisions? #f)
+ (relative-symlinks? #f)))
+
+(define* (efi-bootloader-chain files
+ final-bootloader
+ #:key
+ (hooks '())
+ installer)
+ "Define a bootloader chain with FINAL-BOOTLOADER as the final bootloader and
+certain directories and files from the store given in the list of FILES.
+
+FILES may contain file like objects produced by functions like plain-file,
+local-file, etc., or package contents produced with file-append. They will be
+collected inside a directory collection/ inside a generated bootloader profile,
+which will be passed to the INSTALLER.
+
+If a directory name in FILES ends with '/', then the directory content instead
+of the directory itself will be symlinked into the collection/ directory.
+
+The procedures in the HOOKS list can be used to further modify the bootloader
+profile. It is possible to pass a single function instead of a list.
+
+If the INSTALLER argument is used, then this function will be called to install
+the bootloader. Otherwise the installer of the FINAL-BOOTLOADER will be called."
+ (let* ((final-installer (or installer
+ (bootloader-installer final-bootloader)))
+ (profile (efi-bootloader-profile files
+ (bootloader-package final-bootloader)
+ (if (list? hooks)
+ hooks
+ (list hooks)))))
+ (bootloader
+ (inherit final-bootloader)
+ (package profile)
+ (installer
+ #~(lambda (bootloader target mount-point)
+ (#$final-installer bootloader target mount-point)
+ (copy-recursively
+ (string-append bootloader "/collection")
+ (string-append mount-point target)
+ #:follow-symlinks? #t
+ #:log (%make-void-port "w")))))))
HCoop / jackhill / guix / guix.git / blobdiff