$ git clone -n https://src.fedoraproject.org/rpms/icewm.git /var/lib/mock/f39-build-2171530-51044/root/chroot_tmpdir/scmroot/icewm
Cloning into '/var/lib/mock/f39-build-2171530-51044/root/chroot_tmpdir/scmroot/icewm'...
$ git fetch origin dc8e309749c749caa08395ebd9945e927d4419a6:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/icewm
 * [new ref]         dc8e309749c749caa08395ebd9945e927d4419a6 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at dc8e309 [packit] 3.4.5 upstream release