$ git clone -n https://src.fedoraproject.org/rpms/kf5-libkexiv2.git /var/lib/mock/f38-build-712347-94305/root/chroot_tmpdir/scmroot/kf5-libkexiv2
Cloning into '/var/lib/mock/f38-build-712347-94305/root/chroot_tmpdir/scmroot/kf5-libkexiv2'...
$ git fetch origin c7a1428672acf8ea3229971e11931fb3ff9b6eff:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/kf5-libkexiv2
 * [new ref]         c7a1428672acf8ea3229971e11931fb3ff9b6eff -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at c7a1428 23.04.0