+def_ucmd summon {
+ set target [ta_word]
+ ta_nomore
+ if {
+ [string length $target] > 8 ||
+ [regexp {[^-0-9a-z]} $target] ||
+ ![regexp {^[a-z]} $target]
+ } { error "invalid username" }
+ prefix_nick
+
+ upvar #0 lastsummon($target) ls
+ set now [clock seconds]
+ if {[info exists ls]} {
+ set interval [expr {$now - $ls}]
+ if {$interval < 30} {
+ ucmdr {} \
+ "Please be patient; $target was summoned only [showinterval $interval]."
+ }
+ }
+ regsub {^[^!]*!} $p {} path
+ if {[catch {
+ exec userv --timeout 3 $target irc-summon $n $path \
+ [expr {[ischan $dest] ? "$dest" : ""}] \
+ < /dev/null
+ } rv]} {
+ regsub -all "\n" $rv { / } rv
+ error $rv
+ }
+ if {[regexp {^problem (.*)} $rv dummy problem]} {
+ ucmdr {} "$target $problem."
+ } elseif {[regexp {^ok ([^ ]+) ([0-9]+)$} $rv dummy tty idlesince]} {
+ set idletime [expr {$now - $idlesince}]
+ set ls $now
+ ucmdr {} {} {} "invites $target ($tty[expr {
+ $idletime > 10 ? ", idle for [showintervalsecs $idletime]" : ""
+ }]) to [expr {
+ [ischan $dest] ? "join us here" : "talk to you"
+ }]."
+ } else {
+ error "unexpected response from userv service: $rv"
+ }
+}
+