$ git clone -n https://src.fedoraproject.org/rpms/jackson-databind.git /var/lib/mock/f40-build-2709877-71660/root/chroot_tmpdir/scmroot/jackson-databind
Cloning into '/var/lib/mock/f40-build-2709877-71660/root/chroot_tmpdir/scmroot/jackson-databind'...
$ git fetch origin 0b550504c6a0e134d65140dd08d7a8b231bd2a0f:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/jackson-databind
 * [new ref]         0b550504c6a0e134d65140dd08d7a8b231bd2a0f -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 0b55050 Rebuilt for java-21-openjdk as system jdk