$ git clone -n https://src.fedoraproject.org/rpms/velocity.git /var/lib/mock/f40-build-2483402-61638/root/chroot_tmpdir/scmroot/velocity
Cloning into '/var/lib/mock/f40-build-2483402-61638/root/chroot_tmpdir/scmroot/velocity'...
$ git fetch origin 47fb20b7a575e65df34523be1f09cf366f92ea78:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/velocity
 * [new ref]         47fb20b7a575e65df34523be1f09cf366f92ea78 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 47fb20b bump of release for for java-21-openjdk as system jdk