$ git clone -n https://src.fedoraproject.org/rpms/mold.git /var/lib/mock/f39-build-1974217-43328/root/chroot_tmpdir/scmroot/mold
Cloning into '/var/lib/mock/f39-build-1974217-43328/root/chroot_tmpdir/scmroot/mold'...
$ git fetch origin 1f404b88d57133872e8c030e22e601f3ddb574ef:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/mold
 * [new ref]         1f404b88d57133872e8c030e22e601f3ddb574ef -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 1f404b8 Bump version to 2.4.0