$ git clone -n https://git.cclinux.org/stage/rpms/gnome-shell-extensions.git /var/lib/mock/dist-circle8-build-113846-75739/root/chroot_tmpdir/scmroot/gnome-shell-extensions
Cloning into '/var/lib/mock/dist-circle8-build-113846-75739/root/chroot_tmpdir/scmroot/gnome-shell-extensions'...
$ git fetch origin d9ca4c214edc9be0e32615fbe2c50e1e82152dfc:KOJI_FETCH_HEAD
From https://git.cclinux.org/stage/rpms/gnome-shell-extensions
 * [new ref]         d9ca4c214edc9be0e32615fbe2c50e1e82152dfc -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at d9ca4c2 import gnome-shell-extensions-3.32.1-38.el8