$ git clone -n https://src.fedoraproject.org/rpms/jakarta-servlet.git /var/lib/mock/f39-build-1567826-37601/root/chroot_tmpdir/scmroot/jakarta-servlet
Cloning into '/var/lib/mock/f39-build-1567826-37601/root/chroot_tmpdir/scmroot/jakarta-servlet'...
$ git fetch origin 77924ad2afa937f02b5ca69a28fd31eef37b1e20:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jakarta-servlet
 * [new ref]         77924ad2afa937f02b5ca69a28fd31eef37b1e20 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 77924ad Rebuilt for https://fedoraproject.org/wiki/Fedora_39_Mass_Rebuild