Index: openacs-4/packages/acs-bootstrap-installer/tcl/00-proc-procs.tcl
===================================================================
RCS file: /usr/local/cvsroot/openacs-4/packages/acs-bootstrap-installer/tcl/00-proc-procs.tcl,v
diff -u -N -r1.66.2.13 -r1.66.2.14
--- openacs-4/packages/acs-bootstrap-installer/tcl/00-proc-procs.tcl	21 Nov 2020 17:39:16 -0000	1.66.2.13
+++ openacs-4/packages/acs-bootstrap-installer/tcl/00-proc-procs.tcl	14 Feb 2021 21:08:02 -0000	1.66.2.14
@@ -1182,6 +1182,15 @@
     ::file $subcmd $arg1 {*}$args
 }
 
+# if {[cmd_exists xxx]}
+if {[info commands ::nsf::cmd::info ] ne ""} {
+    interp alias {} cmd_exists {} ::nsf::cmd::info exists
+} else {
+    ad_proc -private cmd_exists {cmd} {
+        expr {[::namespace which $cmd] ne ""}
+    }
+}
+
 # Local variables:
 #    mode: tcl
 #    tcl-indent-level: 4