$ git clone -n https://src.fedoraproject.org/rpms/magicmirror-module-airnow.git /var/lib/mock/f45-build-17921-505/root/chroot_tmpdir/scmroot/magicmirror-module-airnow
Cloning into '/var/lib/mock/f45-build-17921-505/root/chroot_tmpdir/scmroot/magicmirror-module-airnow'...
$ git fetch origin abe803a595456879b43959f715775a93c0379ac2:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/magicmirror-module-airnow
 * [new ref]         abe803a595456879b43959f715775a93c0379ac2 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at abe803a Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild