bootstrap-conda

#!/usr/bin/env bash

########################################################################
# Generate auto-generated conda environment files
#########################################################################

export PATH="$(pwd)/build/bin:$PATH"

STRIP_COMMENTS="sed s/#.*//;"

shopt -s extglob

DEVELOP_SPKG_PATTERN="@(_develop$(for a in $(head -n 1 build/pkgs/_develop/dependencies); do echo -n "|"$a; done))"
BOOTSTRAP_PACKAGES=_bootstrap
PACKAGES=
OPTIONAL_PACKAGES=
SAGELIB_PACKAGES=
SAGELIB_OPTIONAL_PACKAGES=
DEVELOP_PACKAGES=

eval $(sage-package properties --format=shell :all:)

for PKG_BASE in $(sage-package list --has-file distros/conda.txt --exclude _sagemath); do
    eval PKG_SCRIPTS=\$path_$PKG_BASE PKG_TYPE=\$type_$PKG_BASE
    SYSTEM_PACKAGES_FILE=$PKG_SCRIPTS/distros/conda.txt
    PKG_SYSTEM_PACKAGES=$(echo $(${STRIP_COMMENTS} $SYSTEM_PACKAGES_FILE))
    if [ -n "$PKG_SYSTEM_PACKAGES" ]; then
        if [ -f $PKG_SCRIPTS/spkg-configure.m4 ]; then
            if grep -q SAGE_PYTHON_PACKAGE_CHECK $PKG_SCRIPTS/spkg-configure.m4; then
                # Python package that would need --enable-system-site-packages to be used
                # with the Sage distribution, but we do not recommend that for conda.
                PKG_SAGELIB_ONLY=yes
            else
                PKG_SAGELIB_ONLY=no
            fi
        else
            # No spkg-configure, so the Sage distribution is not able to make use of this package.
            PKG_SAGELIB_ONLY=yes
        fi
        [ -n "$BOOTSTRAP_VERBOSE" ] && echo "$PKG_BASE:$PKG_TYPE:$PKG_SAGELIB_ONLY"
        if [ $PKG_SAGELIB_ONLY = no ]; then
            case "$PKG_BASE:$PKG_TYPE" in
                *:standard)
                    PACKAGES+=" $PKG_BASE"
                    ;;
                $DEVELOP_SPKG_PATTERN:*)
                    DEVELOP_PACKAGES+=" $PKG_BASE"
                    ;;
                *)
                    OPTIONAL_PACKAGES+=" $PKG_BASE"
                    ;;
            esac
        else
            case "$PKG_BASE:$PKG_TYPE" in
                *:standard)
                    SAGELIB_PACKAGES+=" $PKG_BASE"
                    ;;
                $DEVELOP_SPKG_PATTERN:*)
                    DEVELOP_PACKAGES+=" $PKG_BASE"
                    ;;
                *)
                    SAGELIB_OPTIONAL_PACKAGES+=" $PKG_BASE"
                    ;;
            esac
        fi
    fi
done
unset PKG_SYSTEM_PACKAGES

[ -n "$BOOTSTRAP_VERBOSE" ] && echo "## Collected:" && set | grep PACKAGES=

# Translate to system packages
export ENABLE_SYSTEM_SITE_PACKAGES=yes  # Disable filtering in sage-get-system-packages
SYSTEM_PACKAGES=$(sage-get-system-packages conda $PACKAGES)
BOOTSTRAP_SYSTEM_PACKAGES=$(sage-get-system-packages conda $BOOTSTRAP_PACKAGES)
OPTIONAL_SYSTEM_PACKAGES=$(sage-get-system-packages conda $OPTIONAL_PACKAGES)
SAGELIB_SYSTEM_PACKAGES=$(sage-get-system-packages conda $SAGELIB_PACKAGES)
SAGELIB_OPTIONAL_SYSTEM_PACKAGES=$(sage-get-system-packages conda $SAGELIB_OPTIONAL_PACKAGES)
DEVELOP_SYSTEM_PACKAGES=$(sage-get-system-packages conda $DEVELOP_PACKAGES)
unset ENABLE_SYSTEM_SITE_PACKAGES

[ -n "$BOOTSTRAP_VERBOSE" ] && echo "## Translated to system:" && set | grep SYSTEM_PACKAGES=

echo >&2 $0:$LINENO: generate conda environment files

    (
        echo "name: sage"
        echo "channels:"
        echo "  - conda-forge"
        echo "  - nodefaults"
        echo "dependencies:"
        for pkg in $SYSTEM_PACKAGES; do
            echo "  - $pkg"
        done
        echo "  # Packages needed for ./bootstrap"
        for pkg in $BOOTSTRAP_SYSTEM_PACKAGES; do
            echo "  - $pkg"
        done
    ) > environment-template.yml
    (
        sed 's/name: sage-build/name: sage/' environment-template.yml
        echo "  - meson"
        echo "  - meson-python"
        echo "  - pytest"
        echo "  # Additional packages providing all dependencies for the Sage library"
        for pkg in $SAGELIB_SYSTEM_PACKAGES; do
            echo "  - $pkg"
        done
    ) > environment-template.yml

    (
        sed 's/name: sage/name: sage-dev/' environment-template.yml
        echo "  # Additional dev tools"
        echo "  - conda-lock"
        for pkg in $DEVELOP_SYSTEM_PACKAGES; do
            echo "  - $pkg"
        done
    ) > environment-dev-template.yml

for f in environment environment-dev; do
    for python_version in 3.9 3.10 3.11; do
        sed -E 's/^( *- *)python *$/\1python='$python_version'/' $f-template.yml > $f-$python_version.yml
    done
    rm -f $f-template.yml
done