$ git clone -n http://git.inferitos.ru/rpms/gnome-shell-extension-arcmenu /var/lib/mock/inferit-9-extras-build-10584-17519/root/chroot_tmpdir/scmroot/gnome-shell-extension-arcmenu
Cloning into '/var/lib/mock/inferit-9-extras-build-10584-17519/root/chroot_tmpdir/scmroot/gnome-shell-extension-arcmenu'...
$ git fetch origin b62d903f732f5d97883c914aef39fce78c9924b9:KOJI_FETCH_HEAD
From http://git.inferitos.ru/rpms/gnome-shell-extension-arcmenu
 * [new ref]         b62d903f732f5d97883c914aef39fce78c9924b9 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b62d903 import gnome-shell-extension-arcmenu-27-1.el9