$ git clone -n https://src.fedoraproject.org/rpms/rust-enumflags2.git /var/lib/mock/f45-build-41489-782/root/chroot_tmpdir/scmroot/rust-enumflags2
Cloning into '/var/lib/mock/f45-build-41489-782/root/chroot_tmpdir/scmroot/rust-enumflags2'...
$ git fetch origin bd9e6fee714c342bb92d80eaec20601310392c41:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rust-enumflags2
 * [new ref]         bd9e6fee714c342bb92d80eaec20601310392c41 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at bd9e6fe Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild