hgk: display committer name when set by hg-git

contrib/hgk

@@ -2516,6 +2516,9 b' proc selectline {l isnew} {'
     }
     $ctext insert end "User: [lindex $info 1]\n"
     $ctext insert end "Date: [lindex $info 2]\n"
+    if {[lindex $info 3] ne ""} {
+	$ctext insert end "Committer: [lindex $info 3]\n"
+    }
     if {[info exists idbookmarks($id)]} {
 	$ctext insert end "Bookmarks:"
 	foreach bookmark $idbookmarks($id) {

hgext/hgk.py

@@ -117,15 +117,11 b' def catcommit(ui, repo, n, prefix, ctx=N'
 
     date = ctx.date()
     description = ctx.description().replace("\0", "")
-    lines = description.splitlines()
-    if lines and lines[-1].startswith('committer:'):
-        committer = lines[-1].split(': ')[1].rstrip()
-    else:
-        committer = ""
+    ui.write(("author %s %s %s\n" % (ctx.user(), int(date[0]), date[1])))
 
-    ui.write(("author %s %s %s\n" % (ctx.user(), int(date[0]), date[1])))
-    if committer != '':
-        ui.write(("committer %s %s %s\n" % (committer, int(date[0]), date[1])))
+    if 'committer' in ctx.extra():
+        ui.write(("committer %s\n" % ctx.extra()['committer']))
+
     ui.write(("revision %d\n" % ctx.rev()))
     ui.write(("branch %s\n" % ctx.branch()))
     if obsolete.isenabled(repo, obsolete.createmarkersopt):