~ chicken-core (chicken-5) 91cc29dfe22f1bded11fa4fec0389857df7b26d0

commit 91cc29dfe22f1bded11fa4fec0389857df7b26d0
Author:     Christian Kellermann <ckeen@pestilenz.org>
AuthorDate: Mon Oct 1 17:35:30 2012 +0200
Commit:     felix <felix@call-with-current-continuation.org>
CommitDate: Mon Oct 1 19:53:18 2012 +0200

    Prevent running applications from crashing when reinstalling eggs
    
    As suggested by Jim Ursetto this removes any previously installed
    files before installing ones by the same name. Fixes Bug #929.
    
    Amended by felix to use "shellpath".
    
    Signed-off-by: felix <felix@call-with-current-continuation.org>

diff --git a/setup-api.scm b/setup-api.scm
index 50ab4842..cf9d8a1e 100644
--- a/setup-api.scm
+++ b/setup-api.scm
@@ -509,6 +509,8 @@
 	      (directory from)))
 	    (else
 	     (ensure-directory to)
+             (when (file-exists? to)
+                 (run (,*remove-command* ,to)))
 	     (run (,*copy-command* 
 		   ,(shellpath from)
 		   ,(shellpath to))))))