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| author | Ludovic Courtès <ludo@gnu.org> | 2013-01-05 16:02:32 +0100 |
|---|---|---|
| committer | Ludovic Courtès <ludo@gnu.org> | 2013-01-05 16:02:32 +0100 |
| commit | 7584f822bf076f4fc8aef9c1f4d48c179fe15fc3 (patch) | |
| tree | 905afe27094a71e6730fc2428f213f28b4a956fd /guix/build | |
| parent | 312543dcfc2b19063f172bd10bb437d6bfe62cff (diff) | |
| download | gnu-guix-7584f822bf076f4fc8aef9c1f4d48c179fe15fc3.tar gnu-guix-7584f822bf076f4fc8aef9c1f4d48c179fe15fc3.tar.gz | |
utils: Add `which'.
* guix/build/utils.scm (which): New procedure.
* distro/packages/lsh.scm (lsh): Use `which' instead of `search-path'.
* distro/packages/perl.scm (perl): Likewise.
* distro/packages/attr.scm (attr): Likewise.
Diffstat (limited to 'guix/build')
| -rw-r--r-- | guix/build/utils.scm | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/guix/build/utils.scm b/guix/build/utils.scm index 5729cdbf04..f365b0db05 100644 --- a/guix/build/utils.scm +++ b/guix/build/utils.scm @@ -36,6 +36,8 @@ set-path-environment-variable search-path-as-string->list list->search-path-as-string + which + alist-cons-before alist-cons-after alist-replace @@ -214,6 +216,12 @@ SEPARATOR-separated path accordingly. Example: (format #t "environment variable `~a' set to `~a'~%" env-var value))) +(define (which program) + "Return the complete file name for PROGRAM as found in $PATH, or #f if +PROGRAM could not be found." + (search-path (search-path-as-string->list (getenv "PATH")) + program)) + ;;; ;;; Phases. |