spkg-install

#!/usr/bin/env bash
# From sage-spkg.
# For type=script packages, the build rule in build/make/Makefile sources
# sage-env but not sage-dist-helpers.
lib="$SAGE_ROOT/build/bin/sage-dist-helpers"
source "$lib"
if [ $? -ne 0 ]; then
    echo >&2 "Error: failed to source $lib"
    echo >&2 "Is $SAGE_ROOT the correct SAGE_ROOT?"
    exit 1
fi
cd src

export PIP_NO_INDEX=true
export PIP_FIND_LINKS="file://$SAGE_SPKG_WHEELS"

# First build the sdist, then build the wheel from the sdist.
# https://pypa-build.readthedocs.io/en/latest/#python--m-build
# (Important because sagemath-objects uses MANIFEST.in for filtering.)
# Do not install the wheel.
DIST_DIR="$(mktemp -d)"
python3 -m build --outdir "$DIST_DIR"/dist . || sdh_die "Failure building sdist and wheel"

wheel=$(cd "$DIST_DIR" && sdh_store_wheel . >&2 && echo $wheel)
ls -l "$wheel"