$ git clone -n https://src.fedoraproject.org/rpms/rpi-imager.git /var/lib/mock/f45-build-34655-690/root/chroot_tmpdir/scmroot/rpi-imager
Cloning into '/var/lib/mock/f45-build-34655-690/root/chroot_tmpdir/scmroot/rpi-imager'...
$ git fetch origin 419348a6dd40b936a996e3411ed7176f5f15d75d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/rpi-imager
 * [new ref]         419348a6dd40b936a996e3411ed7176f5f15d75d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 419348a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild