$ git clone -n http://fedora.riscv.rocks:3000/rpms/perl-Carp.git /var/lib/mock/f40-build-778984-130107/root/chroot_tmpdir/scmroot/perl-Carp
Cloning into '/var/lib/mock/f40-build-778984-130107/root/chroot_tmpdir/scmroot/perl-Carp'...
$ git fetch origin 71982ea9f500fed7ae07a74f2bd47e6ce68b331f:KOJI_FETCH_HEAD
From http://fedora.riscv.rocks:3000/rpms/perl-Carp
 * [new ref]         71982ea9f500fed7ae07a74f2bd47e6ce68b331f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 71982ea Rebuilt for Fedora/RISCV (riscv64); adding .rvreX to Release: