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authornebuli <nebu@kipple>2014-11-30 17:47:22 +0100
committerLudovic Courtès <ludo@gnu.org>2014-11-30 18:54:07 +0100
commit16eb115ef4986f319e6aebb04cefce12bc851e01 (patch)
treed3f456766d9b90dd8f7e555a576457937e044918 /guix/utils.scm
parent6efc160efe6b91dd2ef2b74d551411d290c3b1f6 (diff)
downloadgnu-guix-16eb115ef4986f319e6aebb04cefce12bc851e01.tar
gnu-guix-16eb115ef4986f319e6aebb04cefce12bc851e01.tar.gz
guix: scripts: Add GUIX_BUILD_OPTIONS environment handling.
* doc/guix.texi (Invoking guix build): Mention 'GUIX_BUILD_OPTIONS'. * guix/scripts/archive.scm: (append args (environment-build-options)). * guix/scripts/build.scm: Ditto. * guix/scripts/environment.scm: Ditto. * guix/scripts/package.scm: Ditto. * guix/scripts/system.scm: Ditto. * guix/ui.scm (environment-build-options): New function. * guix/utils.scm (arguments-from-environment-variable): New function. * tests/guix-build.sh: Add tests. * test-env.in: Unset GUIX_BUILD_OPTIONS. Co-authored-by: Ludovic Courtès <ludo@gnu.org>
Diffstat (limited to 'guix/utils.scm')
-rw-r--r--guix/utils.scm10
1 files changed, 10 insertions, 0 deletions
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