$ git clone -n https://src.fedoraproject.org/rpms/pam-kwallet.git /var/lib/mock/f40-build-2187031-51379/root/chroot_tmpdir/scmroot/pam-kwallet
Cloning into '/var/lib/mock/f40-build-2187031-51379/root/chroot_tmpdir/scmroot/pam-kwallet'...
$ git fetch origin 3cbb4319c57d4636dd90d9358906118ab30d0380:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pam-kwallet
 * [new ref]         3cbb4319c57d4636dd90d9358906118ab30d0380 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3cbb431 5.91.0