$ git clone -n https://src.fedoraproject.org/rpms/openocd.git /var/lib/mock/f38-build-side-42-init-devel-1077221-29809/root/chroot_tmpdir/scmroot/openocd
Cloning into '/var/lib/mock/f38-build-side-42-init-devel-1077221-29809/root/chroot_tmpdir/scmroot/openocd'...
$ git fetch origin c7a5b514b0f53ec910bbb9d5cf7540ecad6b17e8:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/openocd
 * [new ref]         c7a5b514b0f53ec910bbb9d5cf7540ecad6b17e8 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c7a5b51 Rebuild against jimtcl-0.82