#!/usr/bin/env bash
# stage.sh -- a script that stages code and data for distribution
set -eu

###############################################################################
STAGE_DIR=${1:-dist/stage}
stage() {
    local src=$1 dst=$2
    [[ -e "$src" ]] || {
        echo >&2 "$src: No such file to stage"
        false
    }
    dst="$STAGE_DIR/$dst"
    dstdir=$(dirname "$dst.")
    [[ -d "$dstdir" ]] || mkdir -p "$dstdir"
    if [[ -d "$src" ]]; then
        # use rsync(1) for staging directories
        set -x; rsync -aH --delete "$src" "$dst"
    else
        # use install(1) for staging files when changed
        dstfile=$dst
        case $dst in */) dstfile=$dst${src##*/}; esac
        if [[ "$src" -nt "$dstfile" ]]; then
            if [[ -x "$src" ]]; then
                set -x; install -m a=rx "$src" "$dst"
            else
                # preserve flags of non-executable data since install(1) always marks as executable
                set -x; install -m a=r  "$src" "$dst"
            fi
        fi
    fi
    { set +x; } &>/dev/null
}
symlink() {
    local src=$1 dst=$2
    dst="$STAGE_DIR/$dst"
    dstdir=$(dirname "$dst.")
    [[ -d "$dstdir" ]] || mkdir -p "$dstdir"
    case $dst in */) dst=$dst${src##*/}; esac
    if ! [[ -L "$dst" && $(readlink "$dst") = $src ]]; then
        set -x; ln -sfn "$src" "$dst"
    fi
    { set +x; } &>/dev/null
}
###############################################################################

# DeepDive shell
stage shell/deepdive                                              bin/
stage shell/deepdive-version                                      util/
stage shell/deepdive-help                                         util/
stage shell/deepdive-env                                          util/
stage shell/deepdive-whereis                                      util/
stage shell/find-deepdive-app                                     util/
stage shell/parse-url.sh                                          util/
stage shell/error                                                 util/
stage shell/warning                                               util/
stage shell/usage                                                 util/
stage shell/escape4sh                                             util/
stage compiler/jq2sh                                              util/
stage shell/jq                                                    util/
stage shell/logging-with-ts                                       util/
stage shell/deepdive_bash_completion.sh                           etc/

# DeepDive compiler
stage compiler/deepdive-compile                                   util/
stage compiler/deepdive-check                                     util/
stage compiler/app-has-been-compiled                              util/
stage compiler/app-has-nothing-to-compile                         util/
stage compiler/deepdive-default.conf                              etc/
stage compiler/compile-config                                     util/
stage compiler/compile-check                                      util/
stage compiler/compile-code                                       util/
stage compiler/compile-codegen                                    util/

stage compiler/ddlog-wrapper.sh                                   bin/ddlog
stage .build/submodule/compiler/ddlog/target/scala-2.11/ddlog-assembly-0.1-SNAPSHOT.jar  lib/ddlog.jar
stage compiler/hocon2json                                         util/

# DeepDive execution planner and runner
stage runner/deepdive-run                                         util/
stage runner/deepdive-plan                                        util/
stage runner/deepdive-do                                          util/
stage runner/deepdive-redo                                        util/
stage runner/deepdive-mark                                        util/
stage runner/deepdive-done                                        util/
stage runner/format_timestamp                                     util/
stage runner/reset_timestamp                                      util/
stage runner/restore_timestamp                                    util/
stage runner/mark_done                                            util/
stage runner/deepdive-do-getopts.sh                               util/
stage runner/resolve-args-to-do.sh                                util/
stage runner/show_progress                                        util/
stage runner/ps_descendants                                       util/

stage runner/deepdive-compute                                     util/
stage runner/load-compute-driver.sh                               util/
stage runner/compute-driver/local                                 util/compute-driver/
stage runner/compute-driver/torque                                util/compute-driver/
stage runner/computers-default.conf                               util/
stage .build/submodule/runner/mkmimo/mkmimo                       util/

# DeepDive database operations and drivers
stage database/deepdive-query                                     util/
stage database/deepdive-db                                        util/
stage database/deepdive-initdb                                    util/
stage database/deepdive-sql                                       util/
stage database/deepdive-create                                    util/
stage database/deepdive-relation                                  util/
stage database/deepdive-load                                      util/
stage database/deepdive-unload                                    util/
stage database/load-db-driver.sh                                  util/
stage database/db-driver/postgresql                               util/db-driver/
stage database/db-driver/greenplum                                util/db-driver/
stage database/db-driver/postgresql-xl                            util/db-driver/
stage database/db-driver/mysql                                    util/db-driver/
stage database/partition_id_range                                 util/
stage database/pgtsv_to_json                                      util/
stage database/tsv2json                                           util/
stage util/partition_integers                                     util/

# DDlib
stage ddlib/ddlib                                                 lib/python/
stage ddlib/deepdive.py                                           lib/python/

# DeepDive inference engine and supporting utilities
#  copying shared libraries required by the dimmwitted sampler and generating a wrapper
PATH="$PWD"/extern/buildkit:"$PATH"
for cmd in dw; do
stage .build/submodule/inference/dimmwitted/$cmd              	  util/sampler-$cmd.bin
install-shared-libraries-required-by  "$STAGE_DIR"/lib/dw \
      .build/submodule/inference/dimmwitted/$cmd
generate-wrapper-for-libdirs          "$STAGE_DIR"/util/sampler-$cmd \
                                      "$STAGE_DIR"/util/sampler-$cmd.bin \
                                      "$STAGE_DIR"/lib/dw
done
stage inference/deepdive-model                                    util/

# DeepDive utilities
stage util/draw_calibration_plot                                  util/
stage util/calibration.py                                         util/
stage util/calibration.plg                                        util/

stage .build/submodule/util/mindbender/@prefix@/                  mindbender/
stage util/mindbender-wrapper.sh                                  bin/mindbender

# runtime dependencies after building them from source
stage extern/.build/bundled                                       lib/