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-rw-r--r--guix/scripts/offload.scm25
-rw-r--r--guix/scripts/pack.scm41
-rw-r--r--guix/scripts/package.scm30
3 files changed, 58 insertions, 38 deletions
diff --git a/guix/scripts/offload.scm b/guix/scripts/offload.scm
index eb02672dbf..0c0dd9d516 100644
--- a/guix/scripts/offload.scm
+++ b/guix/scripts/offload.scm
@@ -236,30 +236,6 @@ instead of '~a' of type '~a'~%")
;;; Synchronization.
;;;
-(define (lock-file file)
- "Wait and acquire an exclusive lock on FILE. Return an open port."
- (mkdir-p (dirname file))
- (let ((port (open-file file "w0")))
- (fcntl-flock port 'write-lock)
- port))
-
-(define (unlock-file lock)
- "Unlock LOCK."
- (fcntl-flock lock 'unlock)
- (close-port lock)
- #t)
-
-(define-syntax-rule (with-file-lock file exp ...)
- "Wait to acquire a lock on FILE and evaluate EXP in that context."
- (let ((port (lock-file file)))
- (dynamic-wind
- (lambda ()
- #t)
- (lambda ()
- exp ...)
- (lambda ()
- (unlock-file port)))))
-
(define (machine-slot-file machine slot)
"Return the file name of MACHINE's file for SLOT."
;; For each machine we have a bunch of files representing each build slot.
@@ -829,7 +805,6 @@ This tool is meant to be used internally by 'guix-daemon'.\n"))
(leave (G_ "invalid arguments: ~{~s ~}~%") x))))
;;; Local Variables:
-;;; eval: (put 'with-file-lock 'scheme-indent-function 1)
;;; eval: (put 'with-error-to-port 'scheme-indent-function 1)
;;; eval: (put 'with-timeout 'scheme-indent-function 2)
;;; End:
diff --git a/guix/scripts/pack.scm b/guix/scripts/pack.scm
index c17b374330..5da23e038b 100644
--- a/guix/scripts/pack.scm
+++ b/guix/scripts/pack.scm
@@ -152,6 +152,7 @@ dependencies are registered."
#:key target
(profile-name "guix-profile")
deduplicate?
+ entry-point
(compressor (first %compressors))
localstatedir?
(symlinks '())
@@ -275,6 +276,10 @@ added to the pack."
(_ #f))
directives)))))))))
+ (when entry-point
+ (warning (G_ "entry point not supported in the '~a' format~%")
+ 'tarball))
+
(gexp->derivation (string-append name ".tar"
(compressor-extension compressor))
build
@@ -284,6 +289,7 @@ added to the pack."
#:key target
(profile-name "guix-profile")
(compressor (first %compressors))
+ entry-point
localstatedir?
(symlinks '())
(archiver squashfs-tools-next))
@@ -315,6 +321,7 @@ added to the pack."
(ice-9 match))
(define database #+database)
+ (define entry-point #$entry-point)
(setenv "PATH" (string-append #$archiver "/bin"))
@@ -371,6 +378,28 @@ added to the pack."
target)))))))
'#$symlinks)
+ ;; Create /.singularity.d/actions, and optionally the 'run'
+ ;; script, used by 'singularity run'.
+ "-p" "/.singularity.d d 555 0 0"
+ "-p" "/.singularity.d/actions d 555 0 0"
+ ,@(if entry-point
+ `(;; This one if for Singularity 2.x.
+ "-p"
+ ,(string-append
+ "/.singularity.d/actions/run s 777 0 0 "
+ (relative-file-name "/.singularity.d/actions"
+ (string-append #$profile "/"
+ entry-point)))
+
+ ;; This one is for Singularity 3.x.
+ "-p"
+ ,(string-append
+ "/.singularity.d/runscript s 777 0 0 "
+ (relative-file-name "/.singularity.d"
+ (string-append #$profile "/"
+ entry-point))))
+ '())
+
;; Create empty mount points.
"-p" "/proc d 555 0 0"
"-p" "/sys d 555 0 0"
@@ -392,6 +421,7 @@ added to the pack."
#:key target
(profile-name "guix-profile")
(compressor (first %compressors))
+ entry-point
localstatedir?
(symlinks '())
(archiver tar))
@@ -425,6 +455,8 @@ the image."
#$profile
#:database #+database
#:system (or #$target (utsname:machine (uname)))
+ #:entry-point (string-append #$profile "/"
+ #$entry-point)
#:symlinks '#$symlinks
#:compressor '#$(compressor-command compressor)
#:creation-time (make-time time-utc 0 1))))))
@@ -689,6 +721,9 @@ please email '~a'~%")
(lambda (opt name arg result)
(alist-cons 'system arg
(alist-delete 'system result eq?))))
+ (option '("entry-point") #t #f
+ (lambda (opt name arg result)
+ (alist-cons 'entry-point arg result)))
(option '("target") #t #f
(lambda (opt name arg result)
(alist-cons 'target arg
@@ -766,6 +801,9 @@ Create a bundle of PACKAGE.\n"))
(display (G_ "
-m, --manifest=FILE create a pack with the manifest from FILE"))
(display (G_ "
+ --entry-point=PROGRAM
+ use PROGRAM as the entry point of the pack"))
+ (display (G_ "
--save-provenance save provenance information"))
(display (G_ "
--localstatedir include /var/guix in the resulting pack"))
@@ -889,6 +927,7 @@ Create a bundle of PACKAGE.\n"))
(leave (G_ "~a: unknown pack format~%")
pack-format))))
(localstatedir? (assoc-ref opts 'localstatedir?))
+ (entry-point (assoc-ref opts 'entry-point))
(profile-name (assoc-ref opts 'profile-name))
(gc-root (assoc-ref opts 'gc-root)))
(when (null? (manifest-entries manifest))
@@ -919,6 +958,8 @@ Create a bundle of PACKAGE.\n"))
symlinks
#:localstatedir?
localstatedir?
+ #:entry-point
+ entry-point
#:profile-name
profile-name
#:archiver
diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm
index 06e4cf5b9c..5751123525 100644
--- a/guix/scripts/package.scm
+++ b/guix/scripts/package.scm
@@ -57,7 +57,6 @@
#:export (build-and-use-profile
delete-generations
delete-matching-generations
- display-search-paths
guix-package
(%options . %package-options)
@@ -169,8 +168,7 @@ hooks\" run when building the profile."
"~a packages in profile~%"
count)
count)
- (display-search-paths entries (list profile)
- #:kind 'prefix)))
+ (display-search-path-hint entries profile)))
(warn-about-disk-space profile))))))
@@ -289,17 +287,23 @@ symlinks like 'canonicalize-path' would do."
file
(string-append (getcwd) "/" file)))
-(define* (display-search-paths entries profiles
- #:key (kind 'exact))
- "Display the search path environment variables that may need to be set for
-ENTRIES, a list of manifest entries, in the context of PROFILE."
- (let* ((profiles (map (compose user-friendly-profile absolutize)
- profiles))
- (settings (search-path-environment-variables entries profiles
- #:kind kind)))
+(define (display-search-path-hint entries profile)
+ "Display a hint on how to set environment variables to use ENTRIES, a list
+of manifest entries, in the context of PROFILE."
+ (let* ((profile (user-friendly-profile (absolutize profile)))
+ (settings (search-path-environment-variables entries (list profile)
+ #:kind 'prefix)))
(unless (null? settings)
- (format #t (G_ "The following environment variable definitions may be needed:~%"))
- (format #t "~{ ~a~%~}" settings))))
+ (display-hint (format #f (G_ "Consider setting the necessary environment
+variables by running:
+
+@example
+GUIX_PROFILE=\"~a\"
+. \"$GUIX_PROFILE/etc/profile\"
+@end example
+
+Alternately, see @command{guix package --search-paths -p ~s}.")
+ profile profile)))))
;;;