$ git clone -n https://src.fedoraproject.org/rpms/pam_mysql.git /var/lib/mock/f41-build-side-1-2650345-27586/root/chroot_tmpdir/scmroot/pam_mysql
Cloning into '/var/lib/mock/f41-build-side-1-2650345-27586/root/chroot_tmpdir/scmroot/pam_mysql'...
$ git fetch origin 897461211fdb89e944207faadd737e46975d0932:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pam_mysql
 * [new ref]         897461211fdb89e944207faadd737e46975d0932 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 8974612 convert GPLv2+ license to SPDX