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-rw-r--r--doc/guix.texi18
-rw-r--r--guix/scripts/archive.scm3
-rw-r--r--guix/scripts/build.scm3
-rw-r--r--guix/scripts/environment.scm3
-rw-r--r--guix/scripts/package.scm3
-rw-r--r--guix/scripts/system.scm3
-rw-r--r--guix/ui.scm5
-rw-r--r--guix/utils.scm10
-rw-r--r--test-env.in4
-rw-r--r--tests/guix-build.sh10
10 files changed, 55 insertions, 7 deletions
diff --git a/doc/guix.texi b/doc/guix.texi
index f313ba5db4..75ce632602 100644
--- a/doc/guix.texi
+++ b/doc/guix.texi
@@ -2781,6 +2781,24 @@ the @code{package-derivation} procedure of the @code{(guix packages)}
module, and to the @code{build-derivations} procedure of the @code{(guix
store)} module.
+In addition to options explicitly passed on the command line,
+@command{guix build} and other @command{guix} commands that support
+building honor the @code{GUIX_BUILD_OPTIONS} environment variable.
+
+@defvr {Environment Variable} GUIX_BUILD_OPTIONS
+Users can define this variable to a list of command line options that
+will automatically be used by @command{guix build} and other
+@command{guix} commands that can perform builds, as in the example
+below:
+
+@example
+$ export GUIX_BUILD_OPTIONS="--no-substitutes -c 2 -L /foo/bar"
+@end example
+
+These options are appended to the ones passed on the command line.
+@end defvr
+
+
@node Invoking guix download
@section Invoking @command{guix download}
diff --git a/guix/scripts/archive.scm b/guix/scripts/archive.scm
index 84904e29da..29a3ad15a7 100644
--- a/guix/scripts/archive.scm
+++ b/guix/scripts/archive.scm
@@ -293,7 +293,8 @@ the input port."
(define (guix-archive . args)
(define (parse-options)
;; Return the alist of option values.
- (args-fold* args %options
+ (args-fold* (append args (environment-build-options))
+ %options
(lambda (opt name arg result)
(leave (_ "~A: unrecognized option~%") name))
(lambda (arg result)
diff --git a/guix/scripts/build.scm b/guix/scripts/build.scm
index b4aa33b3a0..76a743f0b3 100644
--- a/guix/scripts/build.scm
+++ b/guix/scripts/build.scm
@@ -401,7 +401,8 @@ arguments with packages that use the specified source."
(define (guix-build . args)
(define (parse-options)
;; Return the alist of option values.
- (args-fold* args %options
+ (args-fold* (append args (environment-build-options))
+ %options
(lambda (opt name arg result)
(leave (_ "~A: unrecognized option~%") name))
(lambda (arg result)
diff --git a/guix/scripts/environment.scm b/guix/scripts/environment.scm
index 81bad963f6..a309dfa362 100644
--- a/guix/scripts/environment.scm
+++ b/guix/scripts/environment.scm
@@ -213,7 +213,8 @@ packages."
;; Entry point.
(define (guix-environment . args)
(define (parse-options)
- (args-fold* args %options
+ (args-fold* (append args (environment-build-options))
+ %options
(lambda (opt name arg result)
(leave (_ "~A: unrecognized option~%") name))
(lambda (arg result)
diff --git a/guix/scripts/package.scm b/guix/scripts/package.scm
index 3a72053766..9ff4d17bf4 100644
--- a/guix/scripts/package.scm
+++ b/guix/scripts/package.scm
@@ -668,7 +668,8 @@ removed from MANIFEST."
(define (guix-package . args)
(define (parse-options)
;; Return the alist of option values.
- (args-fold* args %options
+ (args-fold* (append args (environment-build-options))
+ %options
(lambda (opt name arg result arg-handler)
(leave (_ "~A: unrecognized option~%") name))
(lambda (arg result arg-handler)
diff --git a/guix/scripts/system.scm b/guix/scripts/system.scm
index 398a5a371b..8ea77e4f3c 100644
--- a/guix/scripts/system.scm
+++ b/guix/scripts/system.scm
@@ -467,7 +467,8 @@ Build the operating system declared in FILE according to ACTION.\n"))
(define (guix-system . args)
(define (parse-options)
;; Return the alist of option values.
- (args-fold* args %options
+ (args-fold* (append args (environment-build-options))
+ %options
(lambda (opt name arg result)
(leave (_ "~A: unrecognized option~%") name))
(lambda (arg result)
diff --git a/guix/ui.scm b/guix/ui.scm
index 69b073da50..c77e04172e 100644
--- a/guix/ui.scm
+++ b/guix/ui.scm
@@ -64,6 +64,7 @@
string->generations
string->duration
args-fold*
+ environment-build-options
run-guix-command
program-name
guix-warning-port
@@ -712,6 +713,10 @@ reporting."
(leave (_ "invalid argument: ~a~%")
(apply format #f msg args)))))
+(define (environment-build-options)
+ "Return additional build options passed as environment variables."
+ (arguments-from-environment-variable "GUIX_BUILD_OPTIONS"))
+
(define (show-guix-usage)
(format (current-error-port)
(_ "Try `guix --help' for more information.~%"))
diff --git a/guix/utils.scm b/guix/utils.scm
index 9b802b6fb3..d0d2e8a3d4 100644
--- a/guix/utils.scm
+++ b/guix/utils.scm
@@ -72,6 +72,7 @@
package-name->name+version
string-tokenize*
string-replace-substring
+ arguments-from-environment-variable
file-extension
file-sans-extension
call-with-temporary-output-file
@@ -627,6 +628,15 @@ REPLACEMENT."
(substring str start index)
pieces))))))))
+(define (arguments-from-environment-variable variable)
+ "Retrieve value of environment variable denoted by string VARIABLE in the
+form of a list of strings (`char-set:graphic' tokens) suitable for consumption
+by `args-fold', if VARIABLE is defined, otherwise return an empty list."
+ (let ((env (getenv variable)))
+ (if env
+ (string-tokenize env char-set:graphic)
+ '())))
+
(define (call-with-temporary-output-file proc)
"Call PROC with a name of a temporary file and open output port to that
file; close the file and delete it when leaving the dynamic extent of this
diff --git a/test-env.in b/test-env.in
index 39b205dc8a..f66a0db555 100644
--- a/test-env.in
+++ b/test-env.in
@@ -99,8 +99,8 @@ unset LANGUAGE
LC_MESSAGES=C
export LC_MESSAGES
-# Ignore user modules.
-unset GUIX_PACKAGE_PATH
+# Ignore user settings.
+unset GUIX_PACKAGE_PATH GUIX_BUILD_OPTIONS
storedir="@storedir@"
prefix="@prefix@"
diff --git a/tests/guix-build.sh b/tests/guix-build.sh
index 27b3fdc39e..836c45e776 100644
--- a/tests/guix-build.sh
+++ b/tests/guix-build.sh
@@ -84,3 +84,13 @@ guix build -e "(begin
# Running a gexp.
guix build -e '#~(mkdir #$output)' -d
guix build -e '#~(mkdir #$output)' -d | grep 'gexp\.drv'
+
+# Using 'GUIX_BUILD_OPTIONS'.
+GUIX_BUILD_OPTIONS="--dry-run"
+export GUIX_BUILD_OPTIONS
+
+guix build emacs
+
+GUIX_BUILD_OPTIONS="--something-completely-crazy"
+if guix build emacs;
+then false; else true; fi