$ git clone -n https://src.fedoraproject.org/rpms/apache-commons-jexl.git /var/lib/mock/f39-build-1895863-42814/root/chroot_tmpdir/scmroot/apache-commons-jexl
Cloning into '/var/lib/mock/f39-build-1895863-42814/root/chroot_tmpdir/scmroot/apache-commons-jexl'...
$ git fetch origin 44b761fdaa6db17126c7ba03d07f052735449a7d:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/apache-commons-jexl
 * [new ref]         44b761fdaa6db17126c7ba03d07f052735449a7d -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 44b761f Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild