$ git clone -n https://src.fedoraproject.org/rpms/postgresql16-pgvector.git /var/lib/mock/f45-build-28822-633/root/chroot_tmpdir/scmroot/postgresql16-pgvector
Cloning into '/var/lib/mock/f45-build-28822-633/root/chroot_tmpdir/scmroot/postgresql16-pgvector'...
$ git fetch origin 5cde864e048d54c00fa789774c109ed9ca957a48:KOJI_FETCH_HEAD
From https://src.fedoraproject.org/rpms/postgresql16-pgvector
 * [new ref]         5cde864e048d54c00fa789774c109ed9ca957a48 -> KOJI_FETCH_HEAD
$ git reset --hard KOJI_FETCH_HEAD
HEAD is now at 5cde864 Rebuilt for https://fedoraproject.org/wiki/Fedora_45_Mass_Rebuild