diff options
Diffstat (limited to 'guix/scripts/pack.scm')
| -rw-r--r-- | guix/scripts/pack.scm | 107 |
1 files changed, 79 insertions, 28 deletions
diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm index 138e2c5b77..7a0e54d4cd 100644 --- a/guix/scripts/pack.scm +++ b/guix/scripts/pack.scm @@ -70,21 +70,41 @@ found." (define* (self-contained-tarball name profile #:key deduplicate? (compressor (first %compressors)) - localstatedir?) + localstatedir? + (symlinks '())) "Return a self-contained tarball containing a store initialized with the closure of PROFILE, a derivation. The tarball contains /gnu/store; if LOCALSTATEDIR? is true, it also contains /var/guix, including /var/guix/db -with a properly initialized store database." +with a properly initialized store database. + +SYMLINKS must be a list of (SOURCE -> TARGET) tuples denoting symlinks to be +added to the pack." (define build (with-imported-modules '((guix build utils) (guix build store-copy) (gnu build install)) #~(begin (use-modules (guix build utils) - (gnu build install)) + (gnu build install) + (srfi srfi-1) + (srfi srfi-26) + (ice-9 match)) (define %root "root") + (define symlink->directives + ;; Return "populate directives" to make the given symlink and its + ;; parent directories. + (match-lambda + ((source '-> target) + (let ((target (string-append #$profile "/" target))) + `((directory ,(dirname source)) + (,source -> ,target)))))) + + (define directives + ;; Fully-qualified symlinks. + (append-map symlink->directives '#$symlinks)) + ;; We need Guix here for 'guix-register'. (setenv "PATH" (string-append #$(if localstatedir? @@ -102,34 +122,46 @@ with a properly initialized store database." #:deduplicate? #f #:register? #$localstatedir?) + ;; Create SYMLINKS. + (for-each (cut evaluate-populate-directive <> %root) + directives) + ;; Create the tarball. Use GNU format so there's no file name ;; length limitation. (with-directory-excursion %root - (zero? (system* "tar" #$(compressor-tar-option compressor) - "--format=gnu" - - ;; Avoid non-determinism in the archive. Use - ;; mtime = 1, not zero, because that is what the - ;; daemon does for files in the store (see the - ;; 'mtimeStore' constant in local-store.cc.) - "--sort=name" - "--mtime=@1" ;for files in /var/guix - "--owner=root:0" - "--group=root:0" - - "--check-links" - "-cvf" #$output - ;; Avoid adding / and /var to the tarball, so - ;; that the ownership and permissions of those - ;; directories will not be overwritten when - ;; extracting the archive. Do not include /root - ;; because the root account might have a - ;; different home directory. - #$@(if localstatedir? - '("./var/guix") - '()) - - (string-append "." (%store-directory)))))))) + (exit + (zero? (apply system* "tar" #$(compressor-tar-option compressor) + "--format=gnu" + + ;; Avoid non-determinism in the archive. Use + ;; mtime = 1, not zero, because that is what the + ;; daemon does for files in the store (see the + ;; 'mtimeStore' constant in local-store.cc.) + "--sort=name" + "--mtime=@1" ;for files in /var/guix + "--owner=root:0" + "--group=root:0" + + "--check-links" + "-cvf" #$output + ;; Avoid adding / and /var to the tarball, so + ;; that the ownership and permissions of those + ;; directories will not be overwritten when + ;; extracting the archive. Do not include /root + ;; because the root account might have a + ;; different home directory. + #$@(if localstatedir? + '("./var/guix") + '()) + + (string-append "." (%store-directory)) + + (delete-duplicates + (filter-map (match-lambda + (('directory directory) + (string-append "." directory)) + (_ #f)) + directives))))))))) (gexp->derivation (string-append name ".tar." (compressor-extension compressor)) @@ -149,6 +181,7 @@ with a properly initialized store database." (graft? . #t) (max-silent-time . 3600) (verbosity . 0) + (symlinks . ()) (compressor . ,(first %compressors)))) (define %options @@ -172,6 +205,19 @@ with a properly initialized store database." (lambda (opt name arg result) (alist-cons 'compressor (lookup-compressor arg) result))) + (option '(#\S "symlink") #t #f + (lambda (opt name arg result) + (match (string-tokenize arg + (char-set-complement + (char-set #\=))) + ((source target) + (let ((symlinks (assoc-ref result 'symlinks))) + (alist-cons 'symlinks + `((,source -> ,target) ,@symlinks) + (alist-delete 'symlinks result eq?)))) + (x + (leave (_ "~a: invalid symlink specification~%") + arg))))) (option '("localstatedir") #f #f (lambda (opt name arg result) (alist-cons 'localstatedir? #t result))) @@ -191,6 +237,8 @@ Create a bundle of PACKAGE.\n")) (display (_ " -C, --compression=TOOL compress using TOOL--e.g., \"lzip\"")) (display (_ " + -S, --symlink=SPEC create symlinks to the profile according to SPEC")) + (display (_ " --localstatedir include /var/guix in the resulting pack")) (newline) (display (_ " @@ -224,6 +272,7 @@ Create a bundle of PACKAGE.\n")) list)) specs)) (compressor (assoc-ref opts 'compressor)) + (symlinks (assoc-ref opts 'symlinks)) (localstatedir? (assoc-ref opts 'localstatedir?))) (with-store store (run-with-store store @@ -232,6 +281,8 @@ Create a bundle of PACKAGE.\n")) (drv (self-contained-tarball "pack" profile #:compressor compressor + #:symlinks + symlinks #:localstatedir? localstatedir?))) (mbegin %store-monad |