$ git clone -n https://src.fedoraproject.org/rpms/pavucontrol.git /var/lib/mock/f45-build-21442-584/root/chroot_tmpdir/scmroot/pavucontrol
Cloning into '/var/lib/mock/f45-build-21442-584/root/chroot_tmpdir/scmroot/pavucontrol'...
$ git fetch origin 3a5ec62232db3ea4439150208b6e41d9eacf27e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pavucontrol
 * [new ref]         3a5ec62232db3ea4439150208b6e41d9eacf27e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 3a5ec62 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild