$ git clone -n https://src.fedoraproject.org/rpms/jsch.git /var/lib/mock/f40-build-2446982-61332/root/chroot_tmpdir/scmroot/jsch
Cloning into '/var/lib/mock/f40-build-2446982-61332/root/chroot_tmpdir/scmroot/jsch'...
$ git fetch origin e75b421e6d65ebcdd13fefb46376964a22f60e00:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jsch
 * [new ref]         e75b421e6d65ebcdd13fefb46376964a22f60e00 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at e75b421 Rebuilt for https://fedoraproject.org/wiki/Fedora_40_Mass_Rebuild