$ git clone -n https://src.fedoraproject.org/rpms/cc65.git /var/lib/mock/f39-build-1470458-33896/root/chroot_tmpdir/scmroot/cc65
Cloning into '/var/lib/mock/f39-build-1470458-33896/root/chroot_tmpdir/scmroot/cc65'...
$ git fetch origin cf15e8390b6f729f98bc192aaec52054ee3f1949:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/cc65
 * [new ref]         cf15e8390b6f729f98bc192aaec52054ee3f1949 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at cf15e83 - Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild