$ git clone -n https://src.fedoraproject.org/rpms/tomcatjss.git /var/lib/mock/f39-build-1801151-41797/root/chroot_tmpdir/scmroot/tomcatjss
Cloning into '/var/lib/mock/f39-build-1801151-41797/root/chroot_tmpdir/scmroot/tomcatjss'...
$ git fetch origin 9d1b5ef6dee2c8f76be7182f225924989412ff78:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/tomcatjss
 * [new ref]         9d1b5ef6dee2c8f76be7182f225924989412ff78 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 9d1b5ef Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild