$ git clone -n https://src.fedoraproject.org/rpms/libpqxx.git /var/lib/mock/f38-build-720496-97663/root/chroot_tmpdir/scmroot/libpqxx
Cloning into '/var/lib/mock/f38-build-720496-97663/root/chroot_tmpdir/scmroot/libpqxx'...
$ git reset --hard 8a31569698d329aa6cf193737565997e57924fff
HEAD is now at 8a31569 Update to v7.7.5