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author | Ludovic Courtès <ludo@gnu.org> | 2014-06-14 23:23:56 +0200 |
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committer | Ludovic Courtès <ludo@gnu.org> | 2014-06-14 23:23:56 +0200 |
commit | 07254feb24d755a01c63b64c1df1bfb68ac469bf (patch) | |
tree | b7ac3e49e426abca974295d6f9559609206b0abd | |
parent | 240a2775ded34730607b00eb1a77f2d1989f4011 (diff) | |
download | gnu-guix-07254feb24d755a01c63b64c1df1bfb68ac469bf.tar gnu-guix-07254feb24d755a01c63b64c1df1bfb68ac469bf.tar.gz |
ui: Avoid circularity with (guix gexp).
Fixes a regression introduced in 56b8210 ("guix build: Allow gexps to be
passed to '-e'.")
* guix/ui.scm (%guix-user-module): Wrap in 'delay'.
(read/eval): Adjust accordingly.
-rw-r--r-- | guix/ui.scm | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/guix/ui.scm b/guix/ui.scm index beb41e925a..7338b82401 100644 --- a/guix/ui.scm +++ b/guix/ui.scm @@ -240,11 +240,13 @@ interpreted." (define %guix-user-module ;; Module in which user expressions are evaluated. - (let ((module (make-module))) - (beautify-user-module! module) - ;; Use (guix gexp) so that one can use #~ & co. - (module-use! module (resolve-interface '(guix gexp))) - module)) + ;; Compute lazily to avoid circularity with (guix gexp). + (delay + (let ((module (make-module))) + (beautify-user-module! module) + ;; Use (guix gexp) so that one can use #~ & co. + (module-use! module (resolve-interface '(guix gexp))) + module))) (define (read/eval str) "Read and evaluate STR, raising an error if something goes wrong." @@ -256,7 +258,7 @@ interpreted." str args))))) (catch #t (lambda () - (eval exp %guix-user-module)) + (eval exp (force %guix-user-module))) (lambda args (leave (_ "failed to evaluate expression `~a': ~s~%") exp args))))) |