guix-devel/guix/git-download.scm

203 lines
7.8 KiB
Scheme
Raw Normal View History

;;; GNU Guix --- Functional package management for GNU
;;; Copyright © 2014, 2015, 2016, 2017, 2018 Ludovic Courtès <ludo@gnu.org>
;;; Copyright © 2017 Mathieu Lirzin <mthl@gnu.org>
;;; Copyright © 2017 Christopher Baines <mail@cbaines.net>
;;;
;;; This file is part of GNU Guix.
;;;
;;; GNU Guix is free software; you can redistribute it and/or modify it
;;; under the terms of the GNU General Public License as published by
;;; the Free Software Foundation; either version 3 of the License, or (at
;;; your option) any later version.
;;;
;;; GNU Guix is distributed in the hope that it will be useful, but
;;; WITHOUT ANY WARRANTY; without even the implied warranty of
;;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
;;; GNU General Public License for more details.
;;;
;;; You should have received a copy of the GNU General Public License
;;; along with GNU Guix. If not, see <http://www.gnu.org/licenses/>.
(define-module (guix git-download)
#:use-module (guix gexp)
monads: Move '%store-monad' and related procedures where they belong. This turns (guix monads) into a generic module for monads, and moves the store monad and related monadic procedures in their corresponding module. * guix/monads.scm (store-return, store-bind, %store-monad, store-lift, text-file, interned-file, package-file, package->derivation, package->cross-derivation, origin->derivation, imported-modules, compiled, modules, built-derivations, run-with-store): Move to... * guix/store.scm (store-return, store-bind, %store-monad, store-lift, text-file, interned-file): ... here. (%guile-for-build): New variable. (run-with-store): Moved from monads.scm. Remove default value for #:guile-for-build. * guix/packages.scm (default-guile): Export. (set-guile-for-build): New procedure. (package-file, package->derivation, package->cross-derivation, origin->derivation): Moved from monads.scm. * guix/derivations.scm (%guile-for-build): Remove. (imported-modules): Rename to... (%imported-modules): ... this. (compiled-modules): Rename to... (%compiled-modules): ... this. (built-derivations, imported-modules, compiled-modules): New procedures. * gnu/services/avahi.scm, gnu/services/base.scm, gnu/services/dbus.scm, gnu/services/dmd.scm, gnu/services/networking.scm, gnu/services/ssh.scm, gnu/services/xorg.scm, gnu/system/install.scm, gnu/system/linux-initrd.scm, gnu/system/shadow.scm, guix/download.scm, guix/gexp.scm, guix/git-download.scm, guix/profiles.scm, guix/svn-download.scm, tests/monads.scm: Adjust imports accordingly. * guix/monad-repl.scm (default-guile-derivation): New procedure. (store-monad-language, run-in-store): Use it. * build-aux/hydra/gnu-system.scm (qemu-jobs): Add explicit 'set-guile-for-build' call. * guix/scripts/archive.scm (derivation-from-expression): Likewise. * guix/scripts/build.scm (options/resolve-packages): Likewise. * guix/scripts/environment.scm (guix-environment): Likewise. * guix/scripts/system.scm (guix-system): Likewise. * doc/guix.texi (The Store Monad): Adjust module names accordingly.
2015-01-14 13:34:52 +01:00
#:use-module (guix store)
#:use-module (guix monads)
#:use-module (guix records)
#:use-module (guix packages)
#:use-module (guix modules)
build-system: Introduce "bags" as an intermediate representation. * guix/build-system.scm (<build-system>)[build, cross-build]: Remove. [lower]: New field. (<bag>): New record type. (make-bag): New procedure. * guix/packages.scm (bag-transitive-inputs, bag-transitive-build-inputs, bag-transitive-host-inputs, bag-transitive-target-inputs, package->bag): New procedures. (package-derivation): Use it; use the bag, apply its build procedure, etc. (package-cross-derivation): Likewise. * gnu/packages/bootstrap.scm (raw-build, make-raw-bag): New procedure. (%bootstrap-guile): Use them. * guix/build-system/trivial.scm (lower): New procedure. (trivial-build, trivial-cross-build): Remove 'source' parameter. Pass INPUTS as is. (trivial-build-system): Adjust accordingly. * guix/build-system/gnu.scm (%store, inputs-search-paths, standard-search-paths, expand-inputs, standard-inputs): Remove. (gnu-lower): New procedure. (gnu-build): Remove 'source' and #:implicit-inputs? parameters. Remove 'implicit-inputs' and 'implicit-search-paths' variables. Get the source from INPUT-DRVS. (gnu-cross-build): Likewise. (standard-cross-packages): Remove call to 'standard-packages'. (standard-cross-inputs, standard-cross-search-paths): Remove. (gnu-build-system): Remove 'build' and 'cross-build'; add 'lower'. * guix/build-system/cmake.scm (lower): New procedure. (cmake-build): Remove 'source' and #:cmake parameters. Use INPUTS and SEARCH-PATHS as is. Get the source from INPUTS. * guix/build-system/perl.scm: Likewise. * guix/build-system/python.scm: Likewise. * guix/build-system/ruby.scm: Likewise. * gnu/packages/cross-base.scm (cross-gcc): Change "cross-linux-headers" to "linux-headers". (cross-libc)[xlinux-headers]: Pass #:implicit-cross-inputs? #f. Likewise. In 'propagated-inputs', change "cross-linux-headers" to "linux-headers". * guix/git-download.scm (git-fetch): Use 'standard-packages' instead of 'standard-inputs'. * tests/builders.scm ("gnu-build-system"): Remove use of 'build-system-builder'. ("gnu-build"): Remove 'source' and #:implicit-inputs? arguments to 'gnu-build'. * tests/packages.scm ("search paths"): Adjust to new build system API. ("package-cross-derivation, no cross builder"): Likewise. * doc/guix.texi (Build Systems): Add paragraph on bags.
2014-10-03 18:06:16 +02:00
#:autoload (guix build-system gnu) (standard-packages)
#:use-module (git)
#:use-module (ice-9 match)
#:use-module (ice-9 vlist)
#:use-module (srfi srfi-1)
#:export (git-reference
git-reference?
git-reference-url
git-reference-commit
git-reference-recursive?
git-fetch
git-version
git-file-name
git-predicate))
;;; Commentary:
;;;
;;; An <origin> method that fetches a specific commit from a Git repository.
;;; The repository URL and commit hash are specified with a <git-reference>
;;; object.
;;;
;;; Code:
(define-record-type* <git-reference>
git-reference make-git-reference
git-reference?
(url git-reference-url)
(commit git-reference-commit)
(recursive? git-reference-recursive? ; whether to recurse into sub-modules
(default #f)))
(define (git-package)
"Return the default Git package."
(let ((distro (resolve-interface '(gnu packages version-control))))
(module-ref distro 'git)))
(define* (git-fetch ref hash-algo hash
#:optional name
#:key (system (%current-system)) (guile (default-guile))
(git (git-package)))
"Return a fixed-output derivation that fetches REF, a <git-reference>
object. The output is expected to have recursive hash HASH of type
HASH-ALGO (a symbol). Use NAME as the file name, or a generic name if #f."
(define inputs
;; When doing 'git clone --recursive', we need sed, grep, etc. to be
;; available so that 'git submodule' works.
(if (git-reference-recursive? ref)
build-system: Introduce "bags" as an intermediate representation. * guix/build-system.scm (<build-system>)[build, cross-build]: Remove. [lower]: New field. (<bag>): New record type. (make-bag): New procedure. * guix/packages.scm (bag-transitive-inputs, bag-transitive-build-inputs, bag-transitive-host-inputs, bag-transitive-target-inputs, package->bag): New procedures. (package-derivation): Use it; use the bag, apply its build procedure, etc. (package-cross-derivation): Likewise. * gnu/packages/bootstrap.scm (raw-build, make-raw-bag): New procedure. (%bootstrap-guile): Use them. * guix/build-system/trivial.scm (lower): New procedure. (trivial-build, trivial-cross-build): Remove 'source' parameter. Pass INPUTS as is. (trivial-build-system): Adjust accordingly. * guix/build-system/gnu.scm (%store, inputs-search-paths, standard-search-paths, expand-inputs, standard-inputs): Remove. (gnu-lower): New procedure. (gnu-build): Remove 'source' and #:implicit-inputs? parameters. Remove 'implicit-inputs' and 'implicit-search-paths' variables. Get the source from INPUT-DRVS. (gnu-cross-build): Likewise. (standard-cross-packages): Remove call to 'standard-packages'. (standard-cross-inputs, standard-cross-search-paths): Remove. (gnu-build-system): Remove 'build' and 'cross-build'; add 'lower'. * guix/build-system/cmake.scm (lower): New procedure. (cmake-build): Remove 'source' and #:cmake parameters. Use INPUTS and SEARCH-PATHS as is. Get the source from INPUTS. * guix/build-system/perl.scm: Likewise. * guix/build-system/python.scm: Likewise. * guix/build-system/ruby.scm: Likewise. * gnu/packages/cross-base.scm (cross-gcc): Change "cross-linux-headers" to "linux-headers". (cross-libc)[xlinux-headers]: Pass #:implicit-cross-inputs? #f. Likewise. In 'propagated-inputs', change "cross-linux-headers" to "linux-headers". * guix/git-download.scm (git-fetch): Use 'standard-packages' instead of 'standard-inputs'. * tests/builders.scm ("gnu-build-system"): Remove use of 'build-system-builder'. ("gnu-build"): Remove 'source' and #:implicit-inputs? arguments to 'gnu-build'. * tests/packages.scm ("search paths"): Adjust to new build system API. ("package-cross-derivation, no cross builder"): Likewise. * doc/guix.texi (Build Systems): Add paragraph on bags.
2014-10-03 18:06:16 +02:00
(standard-packages)
'()))
(define zlib
(module-ref (resolve-interface '(gnu packages compression)) 'zlib))
(define config.scm
(scheme-file "config.scm"
#~(begin
(define-module (guix config)
#:export (%libz))
(define %libz
#+(file-append zlib "/lib/libz")))))
(define modules
(cons `((guix config) => ,config.scm)
(delete '(guix config)
(source-module-closure '((guix build git)
(guix build utils)
(guix build download-nar))))))
(define build
(with-imported-modules modules
#~(begin
(use-modules (guix build git)
(guix build utils)
(guix build download-nar)
(ice-9 match))
;; The 'git submodule' commands expects Coreutils, sed,
;; grep, etc. to be in $PATH.
(set-path-environment-variable "PATH" '("bin")
(match '#+inputs
(((names dirs outputs ...) ...)
dirs)))
(or (git-fetch (getenv "git url") (getenv "git commit")
#$output
#:recursive? (call-with-input-string
(getenv "git recursive?")
read)
#:git-command (string-append #+git "/bin/git"))
(download-nar #$output)))))
(mlet %store-monad ((guile (package->derivation guile system)))
(gexp->derivation (or name "git-checkout") build
;; Use environment variables and a fixed script name so
;; there's only one script in store for all the
;; downloads.
#:script-name "git-download"
#:env-vars
`(("git url" . ,(git-reference-url ref))
("git commit" . ,(git-reference-commit ref))
("git recursive?" . ,(object->string
(git-reference-recursive? ref))))
#:system system
#:local-build? #t ;don't offload repo cloning
#:hash-algo hash-algo
#:hash hash
#:recursive? #t
#:guile-for-build guile)))
(define (git-version version revision commit)
"Return the version string for packages using git-download."
(string-append version "-" revision "." (string-take commit 7)))
(define (git-file-name name version)
"Return the file-name for packages using git-download."
(string-append name "-" version "-checkout"))
;;;
;;; 'git-predicate'.
;;;
(define (git-file-list directory)
"Return the list of files checked in in the Git repository at DIRECTORY.
The result is similar to that of the 'git ls-files' command, except that it
also includes directories, not just regular files. The returned file names
are relative to DIRECTORY, which is not necessarily the root of the checkout."
(let* ((directory (canonicalize-path directory))
(dot-git (repository-discover directory))
(top (dirname dot-git))
(repository (repository-open dot-git))
(head (repository-head repository))
(oid (reference-target head))
(commit (commit-lookup repository oid))
(tree (commit-tree commit))
(files (tree-list tree)))
(repository-close! repository)
(if (string=? top directory)
files
(let ((relative (string-append
(string-drop directory
(+ 1 (string-length top)))
"/")))
(filter-map (lambda (file)
(and (string-prefix? relative file)
(string-drop file (string-length relative))))
files)))))
(define (git-predicate directory)
"Return a predicate that returns true if a file is part of the Git checkout
living at DIRECTORY. Upon Git failure, return #f instead of a predicate.
The returned predicate takes two arguments FILE and STAT where FILE is an
absolute file name and STAT is the result of 'lstat'."
(let* ((files (git-file-list directory))
(inodes (fold (lambda (file result)
(let ((stat
(lstat (string-append directory "/"
file))))
(vhash-consv (stat:ino stat) (stat:dev stat)
result)))
vlist-null
files)))
(lambda (file stat)
;; Comparing file names is always tricky business so we rely on inode
;; numbers instead.
(match (vhash-assv (stat:ino stat) inodes)
((_ . dev) (= dev (stat:dev stat)))
(#f #f)))))
;;; git-download.scm ends here