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authorLudovic Courtès <ludo@gnu.org>2018-10-09 18:52:37 +0200
committerLudovic Courtès <ludo@gnu.org>2018-10-09 18:54:12 +0200
commitb33e191c86b7638517ea838b63a54d031a033554 (patch)
tree46c73cb4a9c6f224de06278e02112ba68f6eb2b6
parent64965a068d82d1730097e61f6443a8812051934b (diff)
guix build: '-f' accepts file-like objects.
* guix/scripts/build.scm (options->things-to-build)[validate-type]: Check for 'file-like?'. (options->derivations): Accept 'file-like?'. * tests/guix-build.sh: Add a test with 'computed-file'. * doc/guix.texi (Additional Build Options): Mention file-like objects.
-rw-r--r--doc/guix.texi5
-rw-r--r--guix/scripts/build.scm6
-rw-r--r--tests/guix-build.sh4
3 files changed, 11 insertions, 4 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index 3c116fc0be..9b37270a83 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -6365,9 +6365,8 @@ retrieved using the @option{--log-file} option.
@item --file=@var{file}
@itemx -f @var{file}
-
-Build the package or derivation that the code within @var{file}
-evaluates to.
+Build the package, derivation, or other file-like object that the code within
+@var{file} evaluates to (@pxref{G-Expressions, file-like objects}).
As an example, @var{file} might contain a package definition like this
(@pxref{Defining Packages}):
diff --git a/guix/scripts/build.scm b/guix/scripts/build.scm
index 5a6ba62bc3..f3aa5512d5 100644
--- a/guix/scripts/build.scm
+++ b/guix/scripts/build.scm
@@ -623,7 +623,7 @@ must be one of 'package', 'all', or 'transitive'~%")
"Read the arguments from OPTS and return a list of high-level objects to
build---packages, gexps, derivations, and so on."
(define (validate-type x)
- (unless (or (package? x) (derivation? x) (gexp? x) (procedure? x))
+ (unless (or (derivation? x) (file-like? x) (gexp? x) (procedure? x))
(leave (G_ "~s: not something we can build~%") x)))
(define (ensure-list x)
@@ -700,6 +700,10 @@ package '~a' has no source~%")
(set-guile-for-build (default-guile))
(proc))
#:system system)))
+ ((? file-like? obj)
+ (list (run-with-store store
+ (lower-object obj system
+ #:target (assoc-ref opts 'target)))))
((? gexp? gexp)
(list (run-with-store store
(mbegin %store-monad
diff --git a/tests/guix-build.sh b/tests/guix-build.sh
index 92e7299321..7842ce87c6 100644
--- a/tests/guix-build.sh
+++ b/tests/guix-build.sh
@@ -221,6 +221,10 @@ guix build -e "(begin
guix build -e '#~(mkdir #$output)' -d
guix build -e '#~(mkdir #$output)' -d | grep 'gexp\.drv'
+# Same with a file-like object.
+guix build -e '(computed-file "foo" #~(mkdir #$output))' -d
+guix build -e '(computed-file "foo" #~(mkdir #$output))' -d | grep 'foo\.drv'
+
# Building from a package file.
cat > "$module_dir/package.scm"<<EOF
(use-modules (gnu))