$ git clone -n https://src.fedoraproject.org/rpms/magic_enum.git /var/lib/mock/f45-build-17917-505/root/chroot_tmpdir/scmroot/magic_enum
Cloning into '/var/lib/mock/f45-build-17917-505/root/chroot_tmpdir/scmroot/magic_enum'...
$ git fetch origin 4a6ca15a9afa20b3ad71670707e7a8b5b56d381f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/magic_enum
 * [new ref]         4a6ca15a9afa20b3ad71670707e7a8b5b56d381f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4a6ca15 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild