$ git clone -n https://src.fedoraproject.org/rpms/hexchat-autoaway.git /var/lib/mock/f45-build-13399-450/root/chroot_tmpdir/scmroot/hexchat-autoaway
Cloning into '/var/lib/mock/f45-build-13399-450/root/chroot_tmpdir/scmroot/hexchat-autoaway'...
$ git fetch origin f4ca8b3440ef81dec7b5d32799319938cd6554ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/hexchat-autoaway
 * [new ref]         f4ca8b3440ef81dec7b5d32799319938cd6554ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at f4ca8b3 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild