$ git clone -n https://src.fedoraproject.org/rpms/javaewah.git /var/lib/mock/f40-build-1348898-23554/root/chroot_tmpdir/scmroot/javaewah
Cloning into '/var/lib/mock/f40-build-1348898-23554/root/chroot_tmpdir/scmroot/javaewah'...
$ git fetch origin 490ddc9dfa071e912792fcc49d84521f637baed7:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/javaewah
 * [new ref]         490ddc9dfa071e912792fcc49d84521f637baed7 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 490ddc9 Rebuilt for java-21-openjdk as system jdk