$ git clone -n https://src.fedoraproject.org/rpms/pim-sieve-editor.git /var/lib/mock/f40-build-2606851-63594/root/chroot_tmpdir/scmroot/pim-sieve-editor
Cloning into '/var/lib/mock/f40-build-2606851-63594/root/chroot_tmpdir/scmroot/pim-sieve-editor'...
$ git fetch origin 2105aa519999c73ac2a9877fcb7e013ed8d051d5:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/pim-sieve-editor
 * [new ref]         2105aa519999c73ac2a9877fcb7e013ed8d051d5 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 2105aa5 24.02.0