$ git clone -n https://src.fedoraproject.org/rpms/libosinfo.git /var/lib/mock/f45-build-16724-490/root/chroot_tmpdir/scmroot/libosinfo
Cloning into '/var/lib/mock/f45-build-16724-490/root/chroot_tmpdir/scmroot/libosinfo'...
$ git fetch origin b6155d29f8b566bca9a4c23f7dc1c0b38430314d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libosinfo
 * [new ref]         b6155d29f8b566bca9a4c23f7dc1c0b38430314d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at b6155d2 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild