$ git clone -n https://src.fedoraproject.org/rpms/perl-URI-Title.git /var/lib/mock/f45-build-27303-622/root/chroot_tmpdir/scmroot/perl-URI-Title
Cloning into '/var/lib/mock/f45-build-27303-622/root/chroot_tmpdir/scmroot/perl-URI-Title'...
$ git fetch origin 4aa6922ef6aca84ef67239534f542887d4ecff2a:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-URI-Title
 * [new ref]         4aa6922ef6aca84ef67239534f542887d4ecff2a -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4aa6922 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild