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chromium-extension: Build .crx files in a deterministic fashion.

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* gnu/build/chromium-extension.scm (make-crx): Pass #:keep-mtime? #t to
COPY-RECURSIVELY.  Remove defunct FAKETIME workaround.  While at it, pack the
extension in the scratch working directory instead of the transient
store-mapped /tmp.
This commit is contained in:
Marius Bakke 2021-12-16 19:06:35 +01:00
parent 40ebf85b86
commit aec6bd0169
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1 changed files with 6 additions and 11 deletions
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17
gnu/build/chromium-extension.scm
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@ -19,8 +19,6 @@
(define-module (gnu build chromium-extension)
#:use-module (guix gexp)
#:use-module (guix packages)
#:use-module (gnu packages base)
#:use-module (gnu packages check)
#:use-module (gnu packages chromium)
#:use-module (gnu packages gnupg)
#:use-module (gnu packages tls)
@ -77,20 +75,17 @@ (define version (package-version package))
(use-modules (guix build utils))
(let ((chromium #$(file-append ungoogled-chromium "/bin/chromium"))
(xvfb #$(file-append xorg-server "/bin/Xvfb"))
(packdir "/tmp/extension"))
(mkdir-p (dirname packdir))
(copy-recursively (ungexp package package-output) packdir)
(packdir (string-append (getcwd) "/extension")))
(mkdir packdir)
(copy-recursively (ungexp package package-output) packdir
;; Ensure consistent file modification times.
#:keep-mtime? #t)
(system (string-append xvfb " :1 &"))
(setenv "DISPLAY" ":1")
(sleep 2) ;give Xorg some time to initialize...
;; Chromium stores the current time in the .crx Zip archive.
;; Use a fixed timestamp for deterministic behavior.
;; FIXME (core-updates): faketime is missing an absolute reference
;; to 'date', hence the need to set PATH.
(setenv "PATH" #$(file-append coreutils "/bin"))
(invoke #$(file-append libfaketime "/bin/faketime")
"2000-01-01 00:00:00"
chromium
(invoke chromium
"--user-data-dir=/tmp/signing-profile"
(string-append "--pack-extension=" packdir)
(string-append "--pack-extension-key=" #$signing-key))