#!/bin/bash

# This list is based on:
# https://github.com/golang/go/blob/master/src/go/build/syslist.go
gooses=(
    aix android darwin dragonfly freebsd hurd illumos ios js \
    linux nacl netbsd openbsd plan9 solaris windows zos
)
gooses=($(printf -- '%s\n' "${gooses[@]}" | sort))

# This list is based on:
# https://github.com/golang/go/blob/master/src/go/build/syslist.go
goarches=(
    386 amd64 amd64p32 arm armbe arm64 arm64be ppc64 ppc64le \
    loong64 mips mipsle mips64 mips64le mips64p32 mips64p32le \
    ppc riscv riscv64 s390 s390x sparc sparc64 wasm
)
goarches=($(printf -- '%s\n' "${goarches[@]}" | sort))

###

# Results
ootb_gooses=()
ootb_goarches=()
ootb_platforms=()

for goos in "${gooses[@]}"
do
    is_goos_ootb=0
    for goarch in "${goarches[@]}"
    do
        GOOS="$goos" GOARCH="$goarch" go build -o /dev/null 1-main1.go >out.log 2>err.log
        if [ $? -eq 0 ]
        then
            if [ $is_goos_ootb -eq 0 ]
            then
                ootb_gooses+=("$goos")
                is_goos_ootb=1
            fi
            ootb_goarches+=("$goarch")
            ootb_platforms+=("$goos/$goarch")
        else
            if grep -qe '^cmd/go: unsupported GOOS/GOARCH pair' err.log
            then
                :
            else
                mv err.log $goos-$goarch.err.log
            fi
        fi
        if [ -s out.log ]
        then
            mv out.log $goos-$goarch.out.log
        fi
    done
done
ootb_goarches=($(printf -- '%s\n' "${ootb_goarches[@]}" | sort | uniq))
rm -f out.log err.log

###

# Usage:
# print_array $array_name
print_array()
{
    array_name="$1"
    array_ref="$array_name[@]"
    printf -- '%s=(\n' "$array_name"
    printf -- '    %s\n' "${!array_ref}"
    printf -- ')\n\n'
}

###

{
    print_array 'ootb_gooses'
    print_array 'ootb_goarches'
    print_array 'ootb_platforms'
} > out1.sh