$ git clone -n https://src.fedoraproject.org/rpms/python-authlib.git /var/lib/mock/f45-build-29452-639/root/chroot_tmpdir/scmroot/python-authlib
Cloning into '/var/lib/mock/f45-build-29452-639/root/chroot_tmpdir/scmroot/python-authlib'...
$ git fetch origin 069b8952218f7ab98569a63fc3ee0ac92ec0ce56:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-authlib
 * [new ref]         069b8952218f7ab98569a63fc3ee0ac92ec0ce56 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 069b895 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild