$ git clone -n https://src.fedoraproject.org/rpms/perl-Carp-REPL.git /var/lib/mock/f45-build-22170-590/root/chroot_tmpdir/scmroot/perl-Carp-REPL
Cloning into '/var/lib/mock/f45-build-22170-590/root/chroot_tmpdir/scmroot/perl-Carp-REPL'...
$ git fetch origin 460287785fbb17037a8b66e6125812bf80125362:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Carp-REPL
 * [new ref]         460287785fbb17037a8b66e6125812bf80125362 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 4602877 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild