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=$(echo $(${STRIP_COMMENTS} build/pkgs/_bootstrap/distros/conda.txt))
SYSTEM_PACKAGES=
OPTIONAL_SYSTEM_PACKAGES=
SAGELIB_SYSTEM_PACKAGES=
SAGELIB_OPTIONAL_SYSTEM_PACKAGES=
DEVELOP_SYSTEM_PACKAGES=
for PKG_BASE in $(sage-package list --has-file distros/conda.txt); do
    PKG_SCRIPTS=build/pkgs/$PKG_BASE
    SYSTEM_PACKAGES_FILE=$PKG_SCRIPTS/distros/conda.txt
    PKG_TYPE=$(cat $PKG_SCRIPTS/type)
    PKG_SYSTEM_PACKAGES=$(echo $(${STRIP_COMMENTS} $SYSTEM_PACKAGES_FILE))
    if [ -n "PKG_SYSTEM_PACKAGES" ]; then
        if [ -f $PKG_SCRIPTS/spkg-configure.m4 ]; then
            case "$PKG_BASE:$PKG_TYPE" in
                *:standard)
                    SYSTEM_PACKAGES+=" $PKG_SYSTEM_PACKAGES"
                    ;;
                $DEVELOP_SPKG_PATTERN:*)
                    DEVELOP_SYSTEM_PACKAGES+=" $PKG_SYSTEM_PACKAGES"
                    ;;
                *)
                    OPTIONAL_SYSTEM_PACKAGES+=" $PKG_SYSTEM_PACKAGES"
                    ;;
            esac
        else
            case "$PKG_BASE:$PKG_TYPE" in
                *:standard)
                    SAGELIB_SYSTEM_PACKAGES+=" $PKG_SYSTEM_PACKAGES"
                    ;;
                $DEVELOP_SPKG_PATTERN:*)
                    DEVELOP_SYSTEM_PACKAGES+=" $PKG_SYSTEM_PACKAGES"
                    ;;
                *)
                    SAGELIB_OPTIONAL_SYSTEM_PACKAGES+=" $PKG_SYSTEM_PACKAGES"
                    ;;
            esac
        fi
    fi
done
echo >&2 $0:$LINENO: generate conda environment files
(
    echo "name: sage-build"
    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_PACKAGES; do
        echo "  - $pkg"
    done
) > environment.yml

(
    sed 's/name: sage-build/name: sage/' environment.yml
    echo "  # Additional packages providing all dependencies for the Sage library"
    for pkg in $SAGELIB_SYSTEM_PACKAGES; do
        echo "  - $pkg"
    done
) > src/environment.yml

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

(
    cat environment.yml
    echo "  # optional packages"
    for pkg in $OPTIONAL_SYSTEM_PACKAGES; do
        echo "  - $pkg"
    done
) > environment-optional.yml

(
    cat src/environment.yml
    echo "  # optional packages"
    for pkg in $OPTIONAL_SYSTEM_PACKAGES $SAGELIB_OPTIONAL_SYSTEM_PACKAGES; do
        echo "  - $pkg"
    done
) > src/environment-optional.yml
(
    echo >&4 "  - pip:"
    echo >&5 "  - pip:"
    for PKG_BASE in $((sage-package list :standard: :optional: --has-file requirements.txt --no-file distros/conda.txt --no-file src; sage-package list :standard: :optional: --has-file install-requires.txt --no-file requirements.txt --no-file distros/conda.txt --no-file src) | sort); do
        PKG_SCRIPTS=build/pkgs/$PKG_BASE
        SYSTEM_PACKAGES_FILE=$PKG_SCRIPTS/requirements.txt
        if [ ! -f $SYSTEM_PACKAGES_FILE ]; then
            SYSTEM_PACKAGES_FILE=$PKG_SCRIPTS/install-requires.txt
        fi
        PKG_TYPE=$(cat $PKG_SCRIPTS/type)
        if grep -q SAGERUNTIME $PKG_SCRIPTS/dependencies $PKG_SCRIPTS/dependencies_order_only 2>/dev/null; then
            : # cannot install packages that depend on the Sage library
        else
            case "$PKG_BASE:$PKG_TYPE" in
                $DEVELOP_SPKG_PATTERN:*) FD=4;;
                *)                       FD=5;;
            esac
            ${STRIP_COMMENTS} $SYSTEM_PACKAGES_FILE | while read -r line; do
                [ -n "$line" ] && echo >&$FD "    - $line"
            done
        fi
    done
) 4>> src/environment-dev.yml 5>> src/environment-optional.yml