$ git clone -n https://src.fedoraproject.org/rpms/rust-sqlx-mysql.git /var/lib/mock/f42-build-side-1-3540444-46574/root/chroot_tmpdir/scmroot/rust-sqlx-mysql
Cloning into '/var/lib/mock/f42-build-side-1-3540444-46574/root/chroot_tmpdir/scmroot/rust-sqlx-mysql'...
$ git fetch origin 47ff250975fb4bf743224dee5b9a3a576df959ed:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sqlx-mysql
 * [new ref]         47ff250975fb4bf743224dee5b9a3a576df959ed -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47ff250 Update to version 0.8.6; Fixes RHBZ#2335540