$ git clone -n https://src.fedoraproject.org/rpms/darktable.git /var/lib/mock/f42-build-861903-170476/root/chroot_tmpdir/scmroot/darktable
Cloning into '/var/lib/mock/f42-build-861903-170476/root/chroot_tmpdir/scmroot/darktable'...
$ git fetch origin 636d7663890369a94652391e0760388fb49367f4:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/darktable
 * [new ref]         636d7663890369a94652391e0760388fb49367f4 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 636d766 Rebuild for ICU 76