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-rw-r--r--doc/guix.texi34
-rw-r--r--guix/scripts/build.scm47
-rw-r--r--tests/scripts-build.scm24
3 files changed, 86 insertions, 19 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 5bbd0ee7f0..139a09d1bc 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -7780,22 +7780,18 @@ must be compatible. If @var{replacement} is somehow incompatible with
@var{package}, then the resulting package may be unusable. Use with
care!
-@item --with-branch=@var{package}=@var{branch}
+@item --with-git-url=@var{package}=@var{url}
@cindex Git, using the latest commit
@cindex latest commit, building
-Build @var{package} from the latest commit of @var{branch}. The @code{source}
-field of @var{package} must be an origin with the @code{git-fetch} method
-(@pxref{origin Reference}) or a @code{git-checkout} object; the repository URL
-is taken from that @code{source}. Git sub-modules of the repository are
-fetched, recursively.
+Build @var{package} from the latest commit of the @code{master} branch of the
+Git repository at @var{url}.
-For instance, the following command builds @code{guile-sqlite3} from the
-latest commit of its @code{master} branch, and then builds @code{guix} (which
-depends on it) and @code{cuirass} (which depends on @code{guix}) against this
-specific @code{guile-sqlite3} build:
+For example, the following commands builds the GNU C Library (glibc) straight
+from its Git repository instead of building the currently-packaged release:
@example
-guix build --with-branch=guile-sqlite3=master cuirass
+guix build glibc \
+ --with-git-url=glibc=git://sourceware.org/git/glibc.git
@end example
@cindex continuous integration
@@ -7809,6 +7805,22 @@ Checkouts are kept in a cache under @file{~/.cache/guix/checkouts} to speed up
consecutive accesses to the same repository. You may want to clean it up once
in a while to save disk space.
+@item --with-branch=@var{package}=@var{branch}
+Build @var{package} from the latest commit of @var{branch}. The @code{source}
+field of @var{package} must be an origin with the @code{git-fetch} method
+(@pxref{origin Reference}) or a @code{git-checkout} object; the repository URL
+is taken from that @code{source}. Git sub-modules of the repository are
+fetched, recursively.
+
+For instance, the following command builds @code{guile-sqlite3} from the
+latest commit of its @code{master} branch, and then builds @code{guix} (which
+depends on it) and @code{cuirass} (which depends on @code{guix}) against this
+specific @code{guile-sqlite3} build:
+
+@example
+guix build --with-branch=guile-sqlite3=master cuirass
+@end example
+
@item --with-commit=@var{package}=@var{commit}
This is similar to @code{--with-branch}, except that it builds from
@var{commit} rather than the tip of a branch. @var{commit} must be a valid
diff --git a/guix/scripts/build.scm b/guix/scripts/build.scm
index 6b29c470fb..5883dbfb44 100644
--- a/guix/scripts/build.scm
+++ b/guix/scripts/build.scm
@@ -272,16 +272,16 @@ current 'gnutls' package, after which version 3.5.4 is grafted onto them."
(rewrite obj)
obj))))
+(define %not-equal
+ (char-set-complement (char-set #\=)))
+
(define (evaluate-git-replacement-specs specs proc)
"Parse SPECS, a list of strings like \"guile=stable-2.2\", and return a list
of package pairs, where (PROC PACKAGE URL BRANCH-OR-COMMIT) returns the
replacement package. Raise an error if an element of SPECS uses invalid
syntax, or if a package it refers to could not be found."
- (define not-equal
- (char-set-complement (char-set #\=)))
-
(map (lambda (spec)
- (match (string-tokenize spec not-equal)
+ (match (string-tokenize spec %not-equal)
((name branch-or-commit)
(let* ((old (specification->package name))
(source (package-source old))
@@ -341,6 +341,33 @@ strings like \"guile-next=cabba9e\" meaning that packages are built using
(rewrite obj)
obj))))
+(define (transform-package-source-git-url replacement-specs)
+ "Return a procedure that, when passed a package, replaces its dependencies
+according to REPLACEMENT-SPECS. REPLACEMENT-SPECS is a list of strings like
+\"guile-json=https://gitthing.com/…\" meaning that packages are built using
+a checkout of the Git repository at the given URL."
+ ;; FIXME: Currently this cannot be combined with '--with-branch' or
+ ;; '--with-commit' because they all transform "from scratch".
+ (define replacements
+ (map (lambda (spec)
+ (match (string-tokenize spec %not-equal)
+ ((name url)
+ (let* ((old (specification->package name))
+ (new (package
+ (inherit old)
+ (source (git-checkout (url url)
+ (recursive? #t))))))
+ (cons old new)))))
+ replacement-specs))
+
+ (define rewrite
+ (package-input-rewriting replacements))
+
+ (lambda (store obj)
+ (if (package? obj)
+ (rewrite obj)
+ obj)))
+
(define %transformations
;; Transformations that can be applied to things to build. The car is the
;; key used in the option alist, and the cdr is the transformation
@@ -350,7 +377,8 @@ strings like \"guile-next=cabba9e\" meaning that packages are built using
(with-input . ,transform-package-inputs)
(with-graft . ,transform-package-inputs/graft)
(with-branch . ,transform-package-source-branch)
- (with-commit . ,transform-package-source-commit)))
+ (with-commit . ,transform-package-source-commit)
+ (with-git-url . ,transform-package-source-git-url)))
(define %transformation-options
;; The command-line interface to the above transformations.
@@ -368,7 +396,9 @@ strings like \"guile-next=cabba9e\" meaning that packages are built using
(option '("with-branch") #t #f
(parser 'with-branch))
(option '("with-commit") #t #f
- (parser 'with-commit)))))
+ (parser 'with-commit))
+ (option '("with-git-url") #t #f
+ (parser 'with-git-url)))))
(define (show-transformation-options-help)
(display (G_ "
@@ -385,7 +415,10 @@ strings like \"guile-next=cabba9e\" meaning that packages are built using
build PACKAGE from the latest commit of BRANCH"))
(display (G_ "
--with-commit=PACKAGE=COMMIT
- build PACKAGE from COMMIT")))
+ build PACKAGE from COMMIT"))
+ (display (G_ "
+ --with-git-url=PACKAGE=URL
+ build PACKAGE from the repository at URL")))
(define (options->transformation opts)
diff --git a/tests/scripts-build.scm b/tests/scripts-build.scm
index 190426ed06..54681274b9 100644
--- a/tests/scripts-build.scm
+++ b/tests/scripts-build.scm
@@ -1,5 +1,5 @@
;;; GNU Guix --- Functional package management for GNU
-;;; Copyright © 2016, 2017 Ludovic Courtès <ludo@gnu.org>
+;;; Copyright © 2016, 2017, 2019 Ludovic Courtès <ludo@gnu.org>
;;;
;;; This file is part of GNU Guix.
;;;
@@ -23,6 +23,7 @@
#:use-module (guix scripts build)
#:use-module (guix ui)
#:use-module (guix utils)
+ #:use-module (guix git)
#:use-module (gnu packages)
#:use-module (gnu packages base)
#:use-module (gnu packages busybox)
@@ -164,4 +165,25 @@
((("x" dep))
(eq? (package-replacement dep) findutils)))))))))))
+(test-equal "options->transformation, with-git-url"
+ (let ((source (git-checkout (url "https://example.org")
+ (recursive? #t))))
+ (list source source))
+ (let* ((p (dummy-package "guix.scm"
+ (inputs `(("foo" ,grep)
+ ("bar" ,(dummy-package "chbouib"
+ (native-inputs `(("x" ,grep)))))))))
+ (t (options->transformation '((with-git-url . "grep=https://example.org")))))
+ (with-store store
+ (let ((new (t store p)))
+ (and (not (eq? new p))
+ (match (package-inputs new)
+ ((("foo" dep1) ("bar" dep2))
+ (and (string=? (package-full-name dep1)
+ (package-full-name grep))
+ (string=? (package-name dep2) "chbouib")
+ (match (package-native-inputs dep2)
+ ((("x" dep3))
+ (map package-source (list dep1 dep3))))))))))))
+
(test-end)