$ git clone -n https://src.fedoraproject.org/rpms/perl-IO-Socket-Timeout.git /var/lib/mock/f45-build-24208-602/root/chroot_tmpdir/scmroot/perl-IO-Socket-Timeout
Cloning into '/var/lib/mock/f45-build-24208-602/root/chroot_tmpdir/scmroot/perl-IO-Socket-Timeout'...
$ git fetch origin 9c1f7f845851a5f4b13d789f754c964c7f4570eb:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-IO-Socket-Timeout
 * [new ref]         9c1f7f845851a5f4b13d789f754c964c7f4570eb -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9c1f7f8 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild