$ git clone -n https://src.fedoraproject.org/rpms/rsyntaxtextarea.git /var/lib/mock/f45-build-34697-690/root/chroot_tmpdir/scmroot/rsyntaxtextarea
Cloning into '/var/lib/mock/f45-build-34697-690/root/chroot_tmpdir/scmroot/rsyntaxtextarea'...
$ git fetch origin 9966d6aa8eca86a24d8a813bcda86324ad2d8c0b:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rsyntaxtextarea
 * [new ref]         9966d6aa8eca86a24d8a813bcda86324ad2d8c0b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9966d6a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild