$ git clone -n https://src.fedoraproject.org/rpms/pam-kwallet.git /var/lib/mock/f41-build-858247-168337/root/chroot_tmpdir/scmroot/pam-kwallet
Cloning into '/var/lib/mock/f41-build-858247-168337/root/chroot_tmpdir/scmroot/pam-kwallet'...
$ git fetch origin a9ebe81dcb70270f32b05bcc053df33216c4aaf3:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pam-kwallet
 * [new ref]         a9ebe81dcb70270f32b05bcc053df33216c4aaf3 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a9ebe81 6.2.1