$ git clone -n https://src.fedoraproject.org/rpms/perl-Convert-Binary-C.git /var/lib/mock/f39-build-1434998-31967/root/chroot_tmpdir/scmroot/perl-Convert-Binary-C
Cloning into '/var/lib/mock/f39-build-1434998-31967/root/chroot_tmpdir/scmroot/perl-Convert-Binary-C'...
$ git fetch origin 0202b62dc2723699b3568d5102e3f429ddd87685:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/perl-Convert-Binary-C
 * [new ref]         0202b62dc2723699b3568d5102e3f429ddd87685 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0202b62 Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild