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git-download: Set locale to deal with Unicode in git metadata. 

Without this the git-fetch GEXP is run in an environment that uses ASCII
character encoding when strings are crossing the Guile - C boundary.  It means
that e.g. tag names that have Unicode chars in them will cause problems,
e.g. when walking and deleting the .git directory.

An example in the wild: https://github.com/klauspost/pgzip/tags

Fixes <https://issues.guix.gnu.org/54893>.

* guix/git-download.scm (git-fetch): Call 'setenv' and 'setlocale' to
set it to en_US.utf8.
* gnu/packages/commencement.scm (glibc-utf8-locales-final): Make public.
Add 'properties' field.

Co-authored-by: Ludovic Courtès <ludo@gnu.org>
master
Attila Lendvai 2022-04-19 20:09:55 +02:00 committed by Ludovic Courtès
parent 8540c2d86c
commit 8852f911ff
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2 changed files with 16 additions and 1 deletions
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4
gnu/packages/commencement.scm
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@ -3613,7 +3613,7 @@ exec ~a/bin/~a-~a -B~a/lib -Wl,-dynamic-linker -Wl,~a/~a \"$@\"~%"
(with-boot4 (hidden-package
(package-with-bootstrap-guile guile-3.0/fixed))))
(define glibc-utf8-locales-final
(define-public glibc-utf8-locales-final
;; Now that we have GUILE-FINAL, build the UTF-8 locales. They are needed
;; by the build processes afterwards so their 'scm_to_locale_string' works
;; with the full range of Unicode codepoints (remember
@ -3621,6 +3621,8 @@ exec ~a/bin/~a-~a -B~a/lib -Wl,-dynamic-linker -Wl,~a/~a \"$@\"~%"
;; function.)
(package
(inherit glibc-utf8-locales)
(properties `((hidden? . #t)
,@(package-properties glibc-utf8-locales)))
(native-inputs
`(("glibc" ,glibc-final)
("gzip" ,(with-boot4 gzip))))))

13
guix/git-download.scm
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@ -104,6 +104,12 @@ HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f."
(define gnutls
(module-ref (resolve-interface '(gnu packages tls)) 'gnutls))
(define glibc-locales
;; Note: pick the '-final' variant to avoid circular dependency on
;; i586-gnu, where 'glibc-utf8-locales' indirectly depends on Git.
(module-ref (resolve-interface '(gnu packages commencement))
'glibc-utf8-locales-final))
(define modules
(delete '(guix config)
(source-module-closure '((guix build git)
@ -125,6 +131,13 @@ HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f."
(define recursive?
(call-with-input-string (getenv "git recursive?") read))
;; Let Guile interpret file names as UTF-8, otherwise
;; 'delete-file-recursively' might fail to delete all of
;; '.git'--see <https://issues.guix.gnu.org/54893>.
(setenv "GUIX_LOCPATH"
#+(file-append glibc-locales "/lib/locale"))
(setlocale LC_ALL "en_US.utf8")
;; The 'git submodule' commands expects Coreutils, sed,
;; grep, etc. to be in $PATH.
(set-path-environment-variable "PATH" '("bin")