Index: openacs-4/packages/acs-admin/www/install/install.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-admin/www/install/install.tcl,v
diff -u -r1.8.2.3 -r1.8.2.4
--- openacs-4/packages/acs-admin/www/install/install.tcl	2 Sep 2016 09:38:05 -0000	1.8.2.3
+++ openacs-4/packages/acs-admin/www/install/install.tcl	22 Sep 2016 17:31:24 -0000	1.8.2.4
@@ -16,7 +16,7 @@
     set channel $current_channel
 }
 if {$head_channel eq ""} {
-    set head_channel [lindex [apm_get_repository_channels $repository_url] 0]
+    set head_channel [lindex [apm_get_repository_channels] 0]
 }
 
 #
@@ -58,8 +58,14 @@
 array set package [list]
 
 if {$channel eq ""} {set channel $current_channel}
-set fetch_url $repository_url/$channel/
+if {[regexp {/(\d+-\d+)/$} $repository_url . passed_in_channel]} {
+    set fetch_url $repository_url
+} else {
+    set fetch_url $repository_url/$channel/
+}
 
+ns_log notice "fetch_url=<$fetch_url>,channel=<$channel>"
+
 apm_get_package_repository -repository_url $fetch_url -array repository
 
 foreach package_key [array names repository] {