git-download: Add support for Git Large File Storage (LFS).
* guix/build/git.scm (git-fetch) [lfs?]: New argument, doc and setup code. (git-fetch-with-fallback) [lfs?]: New argument. Pass it to git-fetch. * guix/git-download.scm (git-lfs-package): New procedure. (git-fetch/in-band*): New procedure, made of the logic of git-fetch/in-band, with new git-lfs specifics, with the following changes: New #:git-lfs argument. <inputs>: Remove labels. Conditionally add git-lfs. <build>: Read "git lfs?" environment variable and pass its value to the #:lfs? argument of git-fetch-with-fallback. Use INPUTS directly; update comment. <gexp->derivation>: Add "git lfs?" to #:env-vars. (git-fetch/in-band): Express in terms of git-fetch/in-band*. (git-fetch/lfs): New procedure. * doc/guix.texi (origin Reference): Document it. Change-Id: I5b233b8642a7bdb8737b9d9b740e7254a89ccb25 Reviewed-by: Ludovic Courtès <ludo@gnu.org>master
Maxim Cournoyer
parent
889a6204f8
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@ -8375,6 +8375,13 @@ hash @var{hash} of type @var{hash-algo} (a symbol). Use @var{name} as
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the file name, or a generic name if @code{#f}.
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@end deffn
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@deffn {Procedure} git-fetch/lfs ref hash-algo hash
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This is a variant of the @code{git-fetch} procedure that supports the
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Git @acronym{LFS, Large File Storage} extension. This may be useful to
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pull some binary test data to run the test suite of a package, for
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example.
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@end deffn
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@deftp {Data Type} git-reference
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This data type represents a Git reference for @code{git-fetch} to
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retrieve.
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@ -1,5 +1,6 @@
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;;; GNU Guix --- Functional package management for GNU
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;;; Copyright © 2014, 2016, 2019, 2023 Ludovic Courtès <ludo@gnu.org>
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;;; Copyright © 2023 Maxim Cournoyer <maxim.cournoyer@gmail.com>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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@ -33,10 +34,13 @@
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;;; Code:
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(define* (git-fetch url commit directory
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#:key (git-command "git") recursive?)
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#:key (git-command "git")
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lfs? recursive?)
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"Fetch COMMIT from URL into DIRECTORY. COMMIT must be a valid Git commit
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identifier. When RECURSIVE? is true, all the sub-modules of URL are fetched,
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recursively. Return #t on success, #f otherwise."
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identifier. When LFS? is true, configure Git to also fetch Large File
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Storage (LFS) files; it assumes that the @code{git-lfs} extension is available
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in the environment. When RECURSIVE? is true, all the sub-modules of URL are
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fetched, recursively. Return #t on success, #f otherwise."
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;; Disable TLS certificate verification. The hash of the checkout is known
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;; in advance anyway.
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@ -57,6 +61,11 @@ recursively. Return #t on success, #f otherwise."
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(with-directory-excursion directory
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(invoke git-command "init" "--initial-branch=main")
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(invoke git-command "remote" "add" "origin" url)
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(when lfs?
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(setenv "HOME" "/tmp")
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(invoke git-command "lfs" "install"))
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(if (zero? (system* git-command "fetch" "--depth" "1" "origin" commit))
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(invoke git-command "checkout" "FETCH_HEAD")
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(begin
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@ -81,11 +90,13 @@ recursively. Return #t on success, #f otherwise."
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(define* (git-fetch-with-fallback url commit directory
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#:key (git-command "git") recursive?)
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#:key (git-command "git")
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lfs? recursive?)
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"Like 'git-fetch', fetch COMMIT from URL into DIRECTORY, but fall back to
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alternative methods when fetching from URL fails: attempt to download a nar,
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and if that also fails, download from the Software Heritage archive."
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(or (git-fetch url commit directory
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#:lfs? lfs?
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#:recursive? recursive?
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#:git-command git-command)
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(download-nar directory)
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@ -4,6 +4,7 @@
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;;; Copyright © 2017 Christopher Baines <mail@cbaines.net>
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;;; Copyright © 2020 Jakub Kądziołka <kuba@kadziolka.net>
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;;; Copyright © 2023 Simon Tournier <zimon.toutoune@gmail.com>
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;;; Copyright © 2023 Maxim Cournoyer <maxim.cournoyer@gmail.com>
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;;;
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;;; This file is part of GNU Guix.
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;;;
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@ -54,6 +55,7 @@
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git-reference-recursive?
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git-fetch
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git-fetch/lfs
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git-version
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git-file-name
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git-predicate))
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@ -79,30 +81,36 @@
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(let ((distro (resolve-interface '(gnu packages version-control))))
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(module-ref distro 'git-minimal)))
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(define* (git-fetch/in-band ref hash-algo hash
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(define (git-lfs-package)
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"Return the default 'git-lfs' package."
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(let ((distro (resolve-interface '(gnu packages version-control))))
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(module-ref distro 'git-lfs)))
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(define* (git-fetch/in-band* ref hash-algo hash
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#:optional name
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#:key (system (%current-system))
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(guile (default-guile))
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(git (git-package)))
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"Return a fixed-output derivation that performs a Git checkout of REF, using
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GIT and GUILE (thus, said derivation depends on GIT and GUILE).
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This method is deprecated in favor of the \"builtin:git-download\" builder.
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It will be removed when versions of guix-daemon implementing
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\"builtin:git-download\" will be sufficiently widespread."
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(git (git-package))
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git-lfs)
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"Shared implementation code for git-fetch/in-band & friends. Refer to their
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respective documentation."
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(define inputs
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`(("git" ,(or git (git-package)))
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;; When doing 'git clone --recursive', we need sed, grep, etc. to be
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;; available so that 'git submodule' works.
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`(,(or git (git-package))
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,@(if git-lfs
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(list git-lfs)
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'())
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,@(if (git-reference-recursive? ref)
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(standard-packages)
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;; TODO: remove (standard-packages) after
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;; 48e528a26f9c019eeaccf5e3de3126aa02c98d3b is merged into master;
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;; currently when doing 'git clone --recursive', we need sed, grep,
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;; etc. to be available so that 'git submodule' works.
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(map second (standard-packages))
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;; The 'swh-download' procedure requires tar and gzip.
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`(("gzip" ,(module-ref (resolve-interface '(gnu packages compression))
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'gzip))
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("tar" ,(module-ref (resolve-interface '(gnu packages base))
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'tar))))))
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(list (module-ref (resolve-interface '(gnu packages compression))
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'gzip)
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(module-ref (resolve-interface '(gnu packages base))
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'tar)))))
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(define guile-json
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(module-ref (resolve-interface '(gnu packages guile)) 'guile-json-4))
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@ -134,6 +142,9 @@ It will be removed when versions of guix-daemon implementing
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#:select (set-path-environment-variable))
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(ice-9 match))
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(define lfs?
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(call-with-input-string (getenv "git lfs?") read))
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(define recursive?
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(call-with-input-string (getenv "git recursive?") read))
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@ -144,18 +155,17 @@ It will be removed when versions of guix-daemon implementing
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#+(file-append glibc-locales "/lib/locale"))
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(setlocale LC_ALL "en_US.utf8")
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;; The 'git submodule' commands expects Coreutils, sed,
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;; grep, etc. to be in $PATH.
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(set-path-environment-variable "PATH" '("bin")
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(match '#+inputs
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(((names dirs outputs ...) ...)
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dirs)))
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;; The 'git submodule' commands expects Coreutils, sed, grep,
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;; etc. to be in $PATH. This also ensures that git extensions are
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;; found.
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(set-path-environment-variable "PATH" '("bin") '#+inputs)
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(setvbuf (current-output-port) 'line)
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(setvbuf (current-error-port) 'line)
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(git-fetch-with-fallback (getenv "git url") (getenv "git commit")
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#$output
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#:lfs? lfs?
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#:recursive? recursive?
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#:git-command "git")))))
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@ -175,7 +185,8 @@ It will be removed when versions of guix-daemon implementing
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(git-reference-url ref))))
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("git commit" . ,(git-reference-commit ref))
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("git recursive?" . ,(object->string
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(git-reference-recursive? ref))))
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(git-reference-recursive? ref)))
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("git lfs?" . ,(if git-lfs "#t" "#f")))
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#:leaked-env-vars '("http_proxy" "https_proxy"
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"LC_ALL" "LC_MESSAGES" "LANG"
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"COLUMNS")
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@ -187,6 +198,36 @@ It will be removed when versions of guix-daemon implementing
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#:recursive? #t
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#:guile-for-build guile)))
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(define* (git-fetch/in-band ref hash-algo hash
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#:optional name
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#:key (system (%current-system))
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(guile (default-guile))
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(git (git-package)))
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"Return a fixed-output derivation that performs a Git checkout of REF, using
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GIT and GUILE (thus, said derivation depends on GIT and GUILE).
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This method is deprecated in favor of the \"builtin:git-download\" builder.
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It will be removed when versions of guix-daemon implementing
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\"builtin:git-download\" will be sufficiently widespread."
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(git-fetch/in-band* ref hash-algo hash name
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#:system system
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#:guile guile
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#:git git))
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(define* (git-fetch/lfs ref hash-algo hash
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#:optional name
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#:key (system (%current-system))
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(guile (default-guile))
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(git (git-package))
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(git-lfs (git-lfs-package)))
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"Like git-fetch/in-band, but with support for the Git Large File
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Storage (LFS) extension."
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(git-fetch/in-band* ref hash-algo hash name
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#:system system
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#:guile guile
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#:git git
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#:git-lfs git-lfs))
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(define* (git-fetch/built-in ref hash-algo hash
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#:optional name
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#:key (system (%current-system)))
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Reference in New Issue