$ git clone -n https://src.fedoraproject.org/rpms/icewm.git /var/lib/mock/f42-build-61095453-6588810/root/chroot_tmpdir/scmroot/icewm
Cloning into '/var/lib/mock/f42-build-61095453-6588810/root/chroot_tmpdir/scmroot/icewm'...
$ git fetch origin 2d50f51e1c063541eb709f17e16b22657bc8100c:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/icewm
 * [new ref]         2d50f51e1c063541eb709f17e16b22657bc8100c -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2d50f51 chore: Update to 3.8.1