$ git clone -n https://src.fedoraproject.org/rpms/perl-Test2-Tools-Command.git /var/lib/mock/f45-build-26923-620/root/chroot_tmpdir/scmroot/perl-Test2-Tools-Command
Cloning into '/var/lib/mock/f45-build-26923-620/root/chroot_tmpdir/scmroot/perl-Test2-Tools-Command'...
$ git fetch origin 658f80926adbb449d5cc0c3876916aecd207ae94:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Test2-Tools-Command
 * [new ref]         658f80926adbb449d5cc0c3876916aecd207ae94 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 658f809 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild