$ git clone -n https://src.fedoraproject.org/rpms/mariadb11.8.git /var/lib/mock/f45-build-18021-507/root/chroot_tmpdir/scmroot/mariadb11.8
Cloning into '/var/lib/mock/f45-build-18021-507/root/chroot_tmpdir/scmroot/mariadb11.8'...
$ git fetch origin face7f2cdf45c039b15e3224f749b2cbf81a18d4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mariadb11.8
 * [new ref]         face7f2cdf45c039b15e3224f749b2cbf81a18d4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at face7f2 Rebuilt for libxml-2.5.4