$ git clone -n https://src.fedoraproject.org/rpms/libicns.git /var/lib/mock/f40-build-2210926-52192/root/chroot_tmpdir/scmroot/libicns
Cloning into '/var/lib/mock/f40-build-2210926-52192/root/chroot_tmpdir/scmroot/libicns'...
$ git fetch origin 844f5d2fa63d4faa238082b95251984c5f68fd11:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/libicns
 * [new ref]         844f5d2fa63d4faa238082b95251984c5f68fd11 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 844f5d2 Rebuild for jasper 4.1