$ git clone -n https://src.fedoraproject.org/rpms/rust-sqlx-core.git /var/lib/mock/f45-build-45188-821/root/chroot_tmpdir/scmroot/rust-sqlx-core
Cloning into '/var/lib/mock/f45-build-45188-821/root/chroot_tmpdir/scmroot/rust-sqlx-core'...
$ git fetch origin a7cf589cfabb7ae37af70d1c35a024c44d78e498:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-sqlx-core
 * [new ref]         a7cf589cfabb7ae37af70d1c35a024c44d78e498 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at a7cf589 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild