hgweb: set variables in qsparams

We currently mutate wsgireq.form in a few places. Since it is
independent from req.qsparams, we will need to make changes on
req.qsparams as well before consumers can use qsparams. So let's
do that.

Eventually, we'll delete wsgireq.form and all references to it.

Differential Revision: https://phab.mercurial-scm.org/D2780

mercurial/hgweb/hgweb_mod.py

@@ -342,15 +342,22 b' class hgweb(object):'
             # avoid accepting e.g. style parameter as command
             if util.safehasattr(webcommands, cmd):
                 wsgireq.form['cmd'] = [cmd]
+                req.qsparams['cmd'] = cmd
 
             if cmd == 'static':
                 wsgireq.form['file'] = ['/'.join(args)]
+                req.qsparams['file'] = '/'.join(args)
             else:
                 if args and args[0]:
                     node = args.pop(0).replace('%2F', '/')
                     wsgireq.form['node'] = [node]
+                    req.qsparams['node'] = node
                 if args:
                     wsgireq.form['file'] = args
+                    if 'file' in req.qsparams:
+                        del req.qsparams['file']
+                    for a in args:
+                        req.qsparams.add('file', a)
 
             ua = req.headers.get('User-Agent', '')
             if cmd == 'rev' and 'mercurial' in ua:
@@ -362,7 +369,9 b' class hgweb(object):'
                     ext = spec[2]
                     if fn.endswith(ext):
                         wsgireq.form['node'] = [fn[:-len(ext)]]
+                        req.qsparams['node'] = fn[:-len(next)]
                         wsgireq.form['type'] = [type_]
+                        req.qsparams['type'] = type_
         else:
             cmd = wsgireq.form.get('cmd', [''])[0]
 
@@ -379,6 +388,7 b' class hgweb(object):'
 
             if cmd == '':
                 wsgireq.form['cmd'] = [tmpl.cache['default']]
+                req.qsparams['cmd'] = tmpl.cache['default']
                 cmd = wsgireq.form['cmd'][0]
 
             # Don't enable caching if using a CSP nonce because then it wouldn't