$ git clone -n https://github.com/fedora-riscv/perl.git /var/lib/mock/f38-build-side-42-init-devel-763823-27709/root/chroot_tmpdir/scmroot/perl
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-763823-27709/root/chroot_tmpdir/scmroot/perl'...
$ git fetch origin 91c0a7cf6b1a2ab1acccc0b48ba64f929946768b:KOJI_FETCH_HEAD
From https://github.com/fedora-riscv/perl
 * [new ref]         91c0a7cf6b1a2ab1acccc0b48ba64f929946768b -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 91c0a7c Merge remote-tracking branch 'fedoraproject/f38' into f38-rv64 perl-5.36.1.497