diff options
| author | Andreas Enge <andreas@enge.fr> | 2013-02-22 23:00:41 +0100 |
|---|---|---|
| committer | Andreas Enge <andreas@enge.fr> | 2013-02-23 20:32:03 +0100 |
| commit | 11996d85d3cfa31ecf969421b4dc718b617bf2ff (patch) | |
| tree | b3a8416440d0b8ac2b23b4552a945430420c1305 /guix | |
| parent | 93a6f5520c96934b896c70bab8c00ba912711569 (diff) | |
Patch-shebang: Handle "#!/usr/bin/env command"
* guix/build/utils.scm (patch-shebang): Handle replacement of
"#!.*/env CMD ARGS" by "#!/nix/store/path/.../to/CMD ARGS".
Diffstat (limited to 'guix')
| -rw-r--r-- | guix/build/utils.scm | 32 |
1 files changed, 22 insertions, 10 deletions
diff --git a/guix/build/utils.scm b/guix/build/utils.scm index 6921e31bdd..f7fb7938e5 100644 --- a/guix/build/utils.scm +++ b/guix/build/utils.scm @@ -1,5 +1,6 @@ ;;; GNU Guix --- Functional package management for GNU ;;; Copyright © 2012, 2013 Ludovic Courtès <ludo@gnu.org> +;;; Copyright © 2013 Andreas Enge <andreas@enge.fr> ;;; ;;; This file is part of GNU Guix. ;;; @@ -51,7 +52,7 @@ fold-port-matches remove-store-references)) - + ;;; ;;; Directories. ;;; @@ -426,7 +427,7 @@ bytes transferred and the continuation of the transfer as a thunk." (stat:mtimensec stat))) (define patch-shebang - (let ((shebang-rx (make-regexp "^[[:blank:]]*([[:graph:]]+)(.*)$"))) + (let ((shebang-rx (make-regexp "^[[:blank:]]*([[:graph:]]+)[[:blank:]]*([[:graph:]]*)(.*)$"))) (lambda* (file #:optional (path (search-path-as-string->list (getenv "PATH"))) @@ -465,16 +466,27 @@ FILE are kept unchanged." (let ((line (false-if-exception (read-line p)))) (and=> (and line (regexp-exec shebang-rx line)) (lambda (m) - (let* ((cmd (match:substring m 1)) - (bin (search-path path (basename cmd)))) + (let* ((interp (match:substring m 1)) + (arg1 (match:substring m 2)) + (rest (match:substring m 3)) + (has-env (string-suffix? "/env" interp)) + (cmd (if has-env arg1 (basename interp))) + (bin (search-path path cmd))) (if bin - (if (string=? bin cmd) + (if (string=? bin interp) #f ; nothing to do - (begin - (format (current-error-port) - "patch-shebang: ~a: changing `~a' to `~a'~%" - file cmd bin) - (patch p bin (match:substring m 2)))) + (if has-env + (begin + (format (current-error-port) + "patch-shebang: ~a: changing `~a' to `~a'~%" + file (string-append interp " " arg1) bin) + (patch p bin rest)) + (begin + (format (current-error-port) + "patch-shebang: ~a: changing `~a' to `~a'~%" + file interp bin) + (patch p bin + (string-append " " arg1 rest))))) (begin (format (current-error-port) "patch-shebang: ~a: warning: no binary for interpreter `~a' found in $PATH~%" |