$ git clone -n https://src.fedoraproject.org/rpms/python-injector.git /var/lib/mock/f45-build-31084-650/root/chroot_tmpdir/scmroot/python-injector
Cloning into '/var/lib/mock/f45-build-31084-650/root/chroot_tmpdir/scmroot/python-injector'...
$ git fetch origin c1bdb3aa7cb51a69216f9fea6206ea9581e7d742:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/python-injector
 * [new ref]         c1bdb3aa7cb51a69216f9fea6206ea9581e7d742 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c1bdb3a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild