$ git clone -n https://src.fedoraproject.org/rpms/gnome-shell-extension-background-logo.git /var/lib/mock/f40-build-2245764-53787/root/chroot_tmpdir/scmroot/gnome-shell-extension-background-logo
Cloning into '/var/lib/mock/f40-build-2245764-53787/root/chroot_tmpdir/scmroot/gnome-shell-extension-background-logo'...
$ git fetch origin 5e4a6fa8c2c541ff2ac4decae6fbfac7429ca013:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/gnome-shell-extension-background-logo
 * [new ref]         5e4a6fa8c2c541ff2ac4decae6fbfac7429ca013 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5e4a6fa Migrate to SPDX license