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pack: Include store parent directories in the Docker layer.

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Fixes <https://issues.guix.gnu.org/78210>.

This patch adds the /gnu and /gnu/store directories to the Docker layer
created by ‘guix pack -f docker …’, which enables the Docker image to be
used to create an AWS Lambda function.  Without the patch, creating the
AWS Lambda function fails with this error:

  "MissingParentDirectory: Parent directory does not exist for file: gnu/store/…-info-dir/"

* guix/scripts/pack.scm (docker-image)[build]: Add store directory to
the docker layer.
* guix/docker.scm (build-docker-image): Change order of arguments to
‘tar’ so parent directories are added before their contents.

Change-Id: I2b103c59981e828c965564ccc5d2415b00a7e52e
Signed-off-by: Ludovic Courtès <ludo@gnu.org>
This commit is contained in:
Ray Miller 2025-05-24 17:55:09 +01:00 • committed by Ludovic Courtès
parent ef3b963a54
commit b48b2bcf42
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2 changed files with 6 additions and 4 deletions
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5
guix/docker.scm
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@ -365,10 +365,11 @@ added to image as a layer."
(apply invoke "tar" "-cf" "../layer.tar"
`(,@transformation-options
,@(tar-base-options)
,@(if max-layers '() paths)
;; Add parent directories before their contents.
,@(scandir "."
(lambda (file)
(not (member file '("." ".."))))))))
(not (member file '("." "..")))))
,@(if max-layers '() paths))))
(delete-file-recursively "extra")))
;; It is possible for "/" to show up in the archive, especially when

5
guix/scripts/pack.scm
View file

@ -580,9 +580,10 @@ layers."
(,source -> ,target))))))
(define directives
;; Create a /tmp directory, as some programs expect it, and
;; create SYMLINKS.
;; Create the /tmp and %store-prefix directories, as some
;; programs expect them, and create SYMLINKS.
`((directory "/tmp" ,(getuid) ,(getgid) #o1777)
(directory #$(%store-prefix) ,(getuid) ,(getgid) #o755)
,@(append-map symlink->directives '#$symlinks)))
(define (form-entry-point prefix entry-point entry-point-argument)