$ git clone -n https://src.fedoraproject.org/rpms/perl-match-simple.git /var/lib/mock/f45-build-27701-625/root/chroot_tmpdir/scmroot/perl-match-simple
Cloning into '/var/lib/mock/f45-build-27701-625/root/chroot_tmpdir/scmroot/perl-match-simple'...
$ git fetch origin 5ea19c6dd088e90404ac10b644ea233d2fac0260:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-match-simple
 * [new ref]         5ea19c6dd088e90404ac10b644ea233d2fac0260 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5ea19c6 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild